* installing *source* package ‘bnclassify’ ...
** package ‘bnclassify’ successfully unpacked and MD5 sums checked
** using staged installation
** libs
using C++ compiler: ‘g++-13 (GCC) 13.2.0’
make[1]: Entering directory '/data/gannet/ripley/R/packages/tests-devel/bnclassify/src'
g++-13 -std=gnu++17 -I"/data/gannet/ripley/R/R-devel/include" -DNDEBUG -I../inst/include -I'/data/gannet/ripley/R/test-dev/Rcpp/include' -I'/data/gannet/ripley/R/test-dev/BH/include' -I/usr/local/include    -fpic  -g -O2 -Wall -pedantic -mtune=native -Wno-ignored-attributes -Wno-parentheses -Wp,-D_FORTIFY_SOURCE=3 -fexceptions -fstack-protector-strong -fstack-clash-protection -fcf-protection   -c RcppExports.cpp -o RcppExports.o
g++-13 -std=gnu++17 -I"/data/gannet/ripley/R/R-devel/include" -DNDEBUG -I../inst/include -I'/data/gannet/ripley/R/test-dev/Rcpp/include' -I'/data/gannet/ripley/R/test-dev/BH/include' -I/usr/local/include    -fpic  -g -O2 -Wall -pedantic -mtune=native -Wno-ignored-attributes -Wno-parentheses -Wp,-D_FORTIFY_SOURCE=3 -fexceptions -fstack-protector-strong -fstack-clash-protection -fcf-protection   -c anb-operate.cpp -o anb-operate.o
g++-13 -std=gnu++17 -I"/data/gannet/ripley/R/R-devel/include" -DNDEBUG -I../inst/include -I'/data/gannet/ripley/R/test-dev/Rcpp/include' -I'/data/gannet/ripley/R/test-dev/BH/include' -I/usr/local/include    -fpic  -g -O2 -Wall -pedantic -mtune=native -Wno-ignored-attributes -Wno-parentheses -Wp,-D_FORTIFY_SOURCE=3 -fexceptions -fstack-protector-strong -fstack-clash-protection -fcf-protection   -c basic-misc.cpp -o basic-misc.o
g++-13 -std=gnu++17 -I"/data/gannet/ripley/R/R-devel/include" -DNDEBUG -I../inst/include -I'/data/gannet/ripley/R/test-dev/Rcpp/include' -I'/data/gannet/ripley/R/test-dev/BH/include' -I/usr/local/include    -fpic  -g -O2 -Wall -pedantic -mtune=native -Wno-ignored-attributes -Wno-parentheses -Wp,-D_FORTIFY_SOURCE=3 -fexceptions -fstack-protector-strong -fstack-clash-protection -fcf-protection   -c basic-probs.cpp -o basic-probs.o
g++-13 -std=gnu++17 -I"/data/gannet/ripley/R/R-devel/include" -DNDEBUG -I../inst/include -I'/data/gannet/ripley/R/test-dev/Rcpp/include' -I'/data/gannet/ripley/R/test-dev/BH/include' -I/usr/local/include    -fpic  -g -O2 -Wall -pedantic -mtune=native -Wno-ignored-attributes -Wno-parentheses -Wp,-D_FORTIFY_SOURCE=3 -fexceptions -fstack-protector-strong -fstack-clash-protection -fcf-protection   -c bh.cpp -o bh.o
In file included from /data/gannet/ripley/R/test-dev/BH/include/boost/scoped_ptr.hpp:13,
                 from /data/gannet/ripley/R/test-dev/BH/include/boost/graph/adjacency_list.hpp:22,
                 from bh.cpp:4:
/data/gannet/ripley/R/test-dev/BH/include/boost/smart_ptr/scoped_ptr.hpp:75:31: warning: 'template<class> class std::auto_ptr' is deprecated: use 'std::unique_ptr' instead [-Wdeprecated-declarations]
   75 |     explicit scoped_ptr( std::auto_ptr<T> p ) BOOST_SP_NOEXCEPT : px( p.release() )
      |                               ^~~~~~~~
In file included from /usr/local/gcc13/include/c++/13.2.0/memory:78,
                 from /data/gannet/ripley/R/test-dev/BH/include/boost/unordered/detail/opt_storage.hpp:11,
                 from /data/gannet/ripley/R/test-dev/BH/include/boost/unordered/detail/archive_constructed.hpp:12,
                 from /data/gannet/ripley/R/test-dev/BH/include/boost/unordered/detail/serialize_container.hpp:14,
                 from /data/gannet/ripley/R/test-dev/BH/include/boost/unordered/detail/serialize_fca_container.hpp:12,
                 from /data/gannet/ripley/R/test-dev/BH/include/boost/unordered/unordered_set.hpp:17,
                 from /data/gannet/ripley/R/test-dev/BH/include/boost/unordered_set.hpp:17,
                 from /data/gannet/ripley/R/test-dev/BH/include/boost/graph/adjacency_list.hpp:20:
/usr/local/gcc13/include/c++/13.2.0/bits/unique_ptr.h:65:28: note: declared here
   65 |   template<typename> class auto_ptr;
      |                            ^~~~~~~~
In file included from /data/gannet/ripley/R/test-dev/BH/include/boost/smart_ptr/shared_ptr.hpp:18,
                 from /data/gannet/ripley/R/test-dev/BH/include/boost/property_map/vector_property_map.hpp:14,
                 from /data/gannet/ripley/R/test-dev/BH/include/boost/property_map/property_map.hpp:598,
                 from /data/gannet/ripley/R/test-dev/BH/include/boost/graph/adjacency_list.hpp:27:
/data/gannet/ripley/R/test-dev/BH/include/boost/smart_ptr/detail/shared_count.hpp:361:33: warning: 'template<class> class std::auto_ptr' is deprecated: use 'std::unique_ptr' instead [-Wdeprecated-declarations]
  361 |     explicit shared_count( std::auto_ptr<Y> & r ): pi_( new sp_counted_impl_p<Y>( r.get() ) )
      |                                 ^~~~~~~~
/usr/local/gcc13/include/c++/13.2.0/bits/unique_ptr.h:65:28: note: declared here
   65 |   template<typename> class auto_ptr;
      |                            ^~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/smart_ptr/shared_ptr.hpp:251:65: warning: 'template<class> class std::auto_ptr' is deprecated: use 'std::unique_ptr' instead [-Wdeprecated-declarations]
  251 | template< class T, class R > struct sp_enable_if_auto_ptr< std::auto_ptr< T >, R >
      |                                                                 ^~~~~~~~
/usr/local/gcc13/include/c++/13.2.0/bits/unique_ptr.h:65:28: note: declared here
   65 |   template<typename> class auto_ptr;
      |                            ^~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/smart_ptr/shared_ptr.hpp:508:31: warning: 'template<class> class std::auto_ptr' is deprecated: use 'std::unique_ptr' instead [-Wdeprecated-declarations]
  508 |     explicit shared_ptr( std::auto_ptr<Y> & r ): px(r.get()), pn()
      |                               ^~~~~~~~
/usr/local/gcc13/include/c++/13.2.0/bits/unique_ptr.h:65:28: note: declared here
   65 |   template<typename> class auto_ptr;
      |                            ^~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/smart_ptr/shared_ptr.hpp:521:22: warning: 'template<class> class std::auto_ptr' is deprecated: use 'std::unique_ptr' instead [-Wdeprecated-declarations]
  521 |     shared_ptr( std::auto_ptr<Y> && r ): px(r.get()), pn()
      |                      ^~~~~~~~
/usr/local/gcc13/include/c++/13.2.0/bits/unique_ptr.h:65:28: note: declared here
   65 |   template<typename> class auto_ptr;
      |                            ^~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/smart_ptr/shared_ptr.hpp:604:34: warning: 'template<class> class std::auto_ptr' is deprecated: use 'std::unique_ptr' instead [-Wdeprecated-declarations]
  604 |     shared_ptr & operator=( std::auto_ptr<Y> & r )
      |                                  ^~~~~~~~
/usr/local/gcc13/include/c++/13.2.0/bits/unique_ptr.h:65:28: note: declared here
   65 |   template<typename> class auto_ptr;
      |                            ^~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/smart_ptr/shared_ptr.hpp:613:34: warning: 'template<class> class std::auto_ptr' is deprecated: use 'std::unique_ptr' instead [-Wdeprecated-declarations]
  613 |     shared_ptr & operator=( std::auto_ptr<Y> && r )
      |                                  ^~~~~~~~
/usr/local/gcc13/include/c++/13.2.0/bits/unique_ptr.h:65:28: note: declared here
   65 |   template<typename> class auto_ptr;
      |                            ^~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/smart_ptr/shared_ptr.hpp: In member function 'boost::shared_ptr<T>& boost::shared_ptr<T>::operator=(std::auto_ptr<_Up>&&)':
/data/gannet/ripley/R/test-dev/BH/include/boost/smart_ptr/shared_ptr.hpp:615:38: warning: 'template<class> class std::auto_ptr' is deprecated: use 'std::unique_ptr' instead [-Wdeprecated-declarations]
  615 |         this_type( static_cast< std::auto_ptr<Y> && >( r ) ).swap( *this );
      |                                      ^~~~~~~~
/usr/local/gcc13/include/c++/13.2.0/bits/unique_ptr.h:65:28: note: declared here
   65 |   template<typename> class auto_ptr;
      |                            ^~~~~~~~
bh.cpp: In instantiation of 'Rcpp::List graph2R(T&, F&) [with T = boost::filtered_graph<boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >, boost::keep_all, remove_names<boost::vec_adj_list_vertex_property_map<boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >, boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >*, std::__cxx11::basic_string<char>, std::__cxx11::basic_string<char>&, boost::vertex_name_t> > >; F = boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >; Rcpp::List = Rcpp::Vector<19>]':
bh.cpp:198:17:   required from here
bh.cpp:70:12: warning: variable 'index' set but not used [-Wunused-but-set-variable]
   70 |   IndexMap index = get(vertex_index, original_graph);
      |            ^~~~~
bh.cpp: In instantiation of 'Rcpp::List graph2R(T&, F&) [with T = boost::filtered_graph<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >, remove_edge_names<boost::vec_adj_list_vertex_property_map<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >, boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >*, std::__cxx11::basic_string<char>, std::__cxx11::basic_string<char>&, boost::vertex_name_t>, boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > >, boost::keep_all>; F = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; Rcpp::List = Rcpp::Vector<19>]':
bh.cpp:216:17:   required from here
bh.cpp:70:12: warning: variable 'index' set but not used [-Wunused-but-set-variable]
bh.cpp: In instantiation of 'Rcpp::List graph2R(T&, F&) [with T = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; F = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; Rcpp::List = Rcpp::Vector<19>]':
bh.cpp:272:17:   required from here
bh.cpp:70:12: warning: variable 'index' set but not used [-Wunused-but-set-variable]
In file included from /data/gannet/ripley/R/test-dev/BH/include/boost/concept/assert.hpp:35,
                 from /data/gannet/ripley/R/test-dev/BH/include/boost/property_map/property_map.hpp:19:
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::constraint<Model>::failed() [with Model = boost::WritablePropertyMapConcept<int*, long unsigned int>]':
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/connected_components.hpp:76:5:   required from 'typename boost::property_traits<IndexMap>::value_type boost::connected_components(const Graph&, ComponentMap, typename enable_if_c<is_base_and_derived<vertex_list_graph_tag, typename graph_traits<Graph>::traversal_category>::value, graph::detail::no_parameter>::type) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; ComponentMap = int*; typename property_traits<IndexMap>::value_type = int; typename enable_if_c<is_base_and_derived<vertex_list_graph_tag, typename graph_traits<Graph>::traversal_category>::value, graph::detail::no_parameter>::type = graph::detail::no_parameter; typename graph_traits<Graph>::traversal_category = undir_adj_list_traversal_tag]'
bh.cpp:146:23:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:65:52: warning: 'this' pointer is null [-Wnonnull]
   65 |     static void failed() { ((Model*)0)->constraints(); }
      |                            ~~~~~~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/property_map/property_map.hpp:179:10: note: in a call to non-static member function 'void boost::WritablePropertyMapConcept<PMap, Key>::constraints() [with PMap = int*; Key = long unsigned int]'
  179 |     void constraints() {
      |          ^~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::Convertible<boost::lvalue_property_map_tag, boost::writable_property_map_tag> >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:208:5:   required from 'struct boost::Convertible<boost::lvalue_property_map_tag, boost::writable_property_map_tag>'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:206:3:   required from 'struct boost::ConvertibleConcept<boost::lvalue_property_map_tag, boost::writable_property_map_tag>'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::ConvertibleConcept<boost::lvalue_property_map_tag, boost::writable_property_map_tag>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::ConvertibleConcept<boost::lvalue_property_map_tag, boost::writable_property_map_tag> >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::ConvertibleConcept<boost::lvalue_property_map_tag, boost::writable_property_map_tag> >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   [ skipping 2 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::WritablePropertyMapConcept<int*, long unsigned int>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::WritablePropertyMapConcept<int*, long unsigned int> >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::WritablePropertyMapConcept<int*, long unsigned int> >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::WritablePropertyMapConcept<int*, long unsigned int>)>'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/connected_components.hpp:76:5:   required from 'typename boost::property_traits<IndexMap>::value_type boost::connected_components(const Graph&, ComponentMap, typename enable_if_c<is_base_and_derived<vertex_list_graph_tag, typename graph_traits<Graph>::traversal_category>::value, graph::detail::no_parameter>::type) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; ComponentMap = int*; typename property_traits<IndexMap>::value_type = int; typename enable_if_c<is_base_and_derived<vertex_list_graph_tag, typename graph_traits<Graph>::traversal_category>::value, graph::detail::no_parameter>::type = graph::detail::no_parameter; typename graph_traits<Graph>::traversal_category = undir_adj_list_traversal_tag]'
bh.cpp:146:23:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47: warning: 'this' pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
In file included from /data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:31,
                 from /data/gannet/ripley/R/test-dev/BH/include/boost/property_map/property_map.hpp:20:
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:5: note: in a call to non-static member function 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::Convertible<boost::lvalue_property_map_tag, boost::writable_property_map_tag>]'
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |     ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::ConvertibleConcept<boost::lvalue_property_map_tag, boost::writable_property_map_tag>]':
/data/gannet/ripley/R/test-dev/BH/include/boost/property_map/property_map.hpp:180:7:   required from 'void boost::WritablePropertyMapConcept<PMap, Key>::constraints() [with PMap = int*; Key = long unsigned int]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::WritablePropertyMapConcept<int*, long unsigned int>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::WritablePropertyMapConcept<int*, long unsigned int> >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::WritablePropertyMapConcept<int*, long unsigned int> >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::WritablePropertyMapConcept<int*, long unsigned int>)>'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/connected_components.hpp:76:5:   required from 'typename boost::property_traits<IndexMap>::value_type boost::connected_components(const Graph&, ComponentMap, typename enable_if_c<is_base_and_derived<vertex_list_graph_tag, typename graph_traits<Graph>::traversal_category>::value, graph::detail::no_parameter>::type) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; ComponentMap = int*; typename property_traits<IndexMap>::value_type = int; typename enable_if_c<is_base_and_derived<vertex_list_graph_tag, typename graph_traits<Graph>::traversal_category>::value, graph::detail::no_parameter>::type = graph::detail::no_parameter; typename graph_traits<Graph>::traversal_category = undir_adj_list_traversal_tag]'
bh.cpp:146:23:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47: warning: 'this' pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
In file included from /data/gannet/ripley/R/test-dev/BH/include/boost/mpl/aux_/integral_wrapper.hpp:22,
                 from /data/gannet/ripley/R/test-dev/BH/include/boost/mpl/int.hpp:20,
                 from /data/gannet/ripley/R/test-dev/BH/include/boost/mpl/lambda_fwd.hpp:23,
                 from /data/gannet/ripley/R/test-dev/BH/include/boost/mpl/aux_/na_spec.hpp:18,
                 from /data/gannet/ripley/R/test-dev/BH/include/boost/mpl/if.hpp:19,
                 from /data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_traits.hpp:17,
                 from /data/gannet/ripley/R/test-dev/BH/include/boost/graph/adjacency_list.hpp:24:
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:206:17: note: in a call to non-static member function 'boost::ConvertibleConcept<boost::lvalue_property_map_tag, boost::writable_property_map_tag>::~ConvertibleConcept()'
  206 |   BOOST_concept(Convertible,(X)(Y))
      |                 ^~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/preprocessor/cat.hpp:29:34: note: in definition of macro 'BOOST_PP_CAT_I'
   29 | #    define BOOST_PP_CAT_I(a, b) a ## b
      |                                  ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/concept_def.hpp:23:12: note: in expansion of macro 'BOOST_PP_CAT'
   23 |     struct BOOST_PP_CAT(name,Concept)                                           \
      |            ^~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:206:3: note: in expansion of macro 'BOOST_concept'
  206 |   BOOST_concept(Convertible,(X)(Y))
      |   ^~~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::Assignable<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > > >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:145:5:   required from 'struct boost::Assignable<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:502:3:   required from 'struct boost::InputIterator<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:540:3:   required from 'struct boost::ForwardIterator<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:568:3:   required from 'struct boost::BidirectionalIterator<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:597:3:   required from 'struct boost::RandomAccessIterator<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:597:3:   [ skipping 2 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::RandomAccessIteratorConcept<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > > >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::RandomAccessIteratorConcept<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::RandomAccessIteratorConcept<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > >)>'
/data/gannet/ripley/R/test-dev/BH/include/boost/property_map/property_map.hpp:354:5:   required from 'boost::iterator_property_map<RAIter, ID, Value, Value&> boost::make_iterator_property_map(RAIter, ID, Value) [with RAIter = __gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >; Value = long unsigned int; ID = vec_adj_list_vertex_id_map<property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:113:35:   required from 'void boost::kruskal_minimum_spanning_tree(const Graph&, OutputIterator) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<detail::edge_desc_impl<undirected_tag, long unsigned int> > >]'
bh.cpp:256:32:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47: warning: 'this' pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:5: note: in a call to non-static member function 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::Assignable<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > >]'
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |     ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::EqualityComparable<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > > >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:233:5:   required from 'struct boost::EqualityComparable<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:502:3:   required from 'struct boost::InputIterator<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:540:3:   required from 'struct boost::ForwardIterator<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:568:3:   required from 'struct boost::BidirectionalIterator<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:597:3:   required from 'struct boost::RandomAccessIterator<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:597:3:   [ skipping 2 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::RandomAccessIteratorConcept<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > > >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::RandomAccessIteratorConcept<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::RandomAccessIteratorConcept<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > >)>'
/data/gannet/ripley/R/test-dev/BH/include/boost/property_map/property_map.hpp:354:5:   required from 'boost::iterator_property_map<RAIter, ID, Value, Value&> boost::make_iterator_property_map(RAIter, ID, Value) [with RAIter = __gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >; Value = long unsigned int; ID = vec_adj_list_vertex_id_map<property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:113:35:   required from 'void boost::kruskal_minimum_spanning_tree(const Graph&, OutputIterator) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<detail::edge_desc_impl<undirected_tag, long unsigned int> > >]'
bh.cpp:256:32:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47: warning: 'this' pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:5: note: in a call to non-static member function 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::EqualityComparable<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > >]'
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |     ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::InputIterator<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > > >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:512:7:   required from 'struct boost::InputIterator<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:540:3:   required from 'struct boost::ForwardIterator<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:568:3:   required from 'struct boost::BidirectionalIterator<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:597:3:   required from 'struct boost::RandomAccessIterator<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:597:3:   [ skipping 2 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::RandomAccessIteratorConcept<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > > >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::RandomAccessIteratorConcept<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::RandomAccessIteratorConcept<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > >)>'
/data/gannet/ripley/R/test-dev/BH/include/boost/property_map/property_map.hpp:354:5:   required from 'boost::iterator_property_map<RAIter, ID, Value, Value&> boost::make_iterator_property_map(RAIter, ID, Value) [with RAIter = __gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >; Value = long unsigned int; ID = vec_adj_list_vertex_id_map<property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:113:35:   required from 'void boost::kruskal_minimum_spanning_tree(const Graph&, OutputIterator) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<detail::edge_desc_impl<undirected_tag, long unsigned int> > >]'
bh.cpp:256:32:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47: warning: 'this' pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:5: note: in a call to non-static member function 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::InputIterator<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > >]'
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |     ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::ForwardIterator<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > > >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:543:7:   required from 'struct boost::ForwardIterator<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:568:3:   required from 'struct boost::BidirectionalIterator<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:597:3:   required from 'struct boost::RandomAccessIterator<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:597:3:   required from 'struct boost::RandomAccessIteratorConcept<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::RandomAccessIteratorConcept<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::RandomAccessIteratorConcept<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > > >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::RandomAccessIteratorConcept<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::RandomAccessIteratorConcept<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > >)>'
/data/gannet/ripley/R/test-dev/BH/include/boost/property_map/property_map.hpp:354:5:   required from 'boost::iterator_property_map<RAIter, ID, Value, Value&> boost::make_iterator_property_map(RAIter, ID, Value) [with RAIter = __gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >; Value = long unsigned int; ID = vec_adj_list_vertex_id_map<property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:113:35:   required from 'void boost::kruskal_minimum_spanning_tree(const Graph&, OutputIterator) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<detail::edge_desc_impl<undirected_tag, long unsigned int> > >]'
bh.cpp:256:32:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47: warning: 'this' pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:5: note: in a call to non-static member function 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::ForwardIterator<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > >]'
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |     ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::BidirectionalIterator<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > > >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:571:7:   required from 'struct boost::BidirectionalIterator<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:597:3:   required from 'struct boost::RandomAccessIterator<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:597:3:   required from 'struct boost::RandomAccessIteratorConcept<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::RandomAccessIteratorConcept<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::RandomAccessIteratorConcept<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > > >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::RandomAccessIteratorConcept<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::RandomAccessIteratorConcept<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > >)>'
/data/gannet/ripley/R/test-dev/BH/include/boost/property_map/property_map.hpp:354:5:   required from 'boost::iterator_property_map<RAIter, ID, Value, Value&> boost::make_iterator_property_map(RAIter, ID, Value) [with RAIter = __gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >; Value = long unsigned int; ID = vec_adj_list_vertex_id_map<property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:113:35:   required from 'void boost::kruskal_minimum_spanning_tree(const Graph&, OutputIterator) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<detail::edge_desc_impl<undirected_tag, long unsigned int> > >]'
bh.cpp:256:32:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47: warning: 'this' pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:5: note: in a call to non-static member function 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::BidirectionalIterator<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > >]'
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |     ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::Comparable<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > > >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:253:5:   required from 'struct boost::Comparable<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:597:3:   required from 'struct boost::RandomAccessIterator<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:597:3:   required from 'struct boost::RandomAccessIteratorConcept<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::RandomAccessIteratorConcept<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::RandomAccessIteratorConcept<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > > >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::RandomAccessIteratorConcept<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::RandomAccessIteratorConcept<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > >)>'
/data/gannet/ripley/R/test-dev/BH/include/boost/property_map/property_map.hpp:354:5:   required from 'boost::iterator_property_map<RAIter, ID, Value, Value&> boost::make_iterator_property_map(RAIter, ID, Value) [with RAIter = __gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >; Value = long unsigned int; ID = vec_adj_list_vertex_id_map<property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:113:35:   required from 'void boost::kruskal_minimum_spanning_tree(const Graph&, OutputIterator) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<detail::edge_desc_impl<undirected_tag, long unsigned int> > >]'
bh.cpp:256:32:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47: warning: 'this' pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:5: note: in a call to non-static member function 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::Comparable<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > >]'
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |     ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::RandomAccessIterator<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > > >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:601:7:   required from 'struct boost::RandomAccessIterator<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:597:3:   required from 'struct boost::RandomAccessIteratorConcept<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::RandomAccessIteratorConcept<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::RandomAccessIteratorConcept<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > > >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::RandomAccessIteratorConcept<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::RandomAccessIteratorConcept<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > >)>'
/data/gannet/ripley/R/test-dev/BH/include/boost/property_map/property_map.hpp:354:5:   required from 'boost::iterator_property_map<RAIter, ID, Value, Value&> boost::make_iterator_property_map(RAIter, ID, Value) [with RAIter = __gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >; Value = long unsigned int; ID = vec_adj_list_vertex_id_map<property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:113:35:   required from 'void boost::kruskal_minimum_spanning_tree(const Graph&, OutputIterator) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<detail::edge_desc_impl<undirected_tag, long unsigned int> > >]'
bh.cpp:256:32:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47: warning: 'this' pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:5: note: in a call to non-static member function 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::RandomAccessIterator<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > >]'
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |     ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::RandomAccessIteratorConcept<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/property_map/property_map.hpp:354:5:   required from 'boost::iterator_property_map<RAIter, ID, Value, Value&> boost::make_iterator_property_map(RAIter, ID, Value) [with RAIter = __gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >; Value = long unsigned int; ID = vec_adj_list_vertex_id_map<property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:113:35:   required from 'void boost::kruskal_minimum_spanning_tree(const Graph&, OutputIterator) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<detail::edge_desc_impl<undirected_tag, long unsigned int> > >]'
bh.cpp:256:32:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47: warning: 'this' pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:597:17: note: in a call to non-static member function 'boost::RandomAccessIteratorConcept<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > >::~RandomAccessIteratorConcept()'
  597 |   BOOST_concept(RandomAccessIterator,(TT))
      |                 ^~~~~~~~~~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/preprocessor/cat.hpp:29:34: note: in definition of macro 'BOOST_PP_CAT_I'
   29 | #    define BOOST_PP_CAT_I(a, b) a ## b
      |                                  ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/concept_def.hpp:23:12: note: in expansion of macro 'BOOST_PP_CAT'
   23 |     struct BOOST_PP_CAT(name,Concept)                                           \
      |            ^~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:597:3: note: in expansion of macro 'BOOST_concept'
  597 |   BOOST_concept(RandomAccessIterator,(TT))
      |   ^~~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::concepts::Graph<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > > >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:66:5:   required from 'struct boost::concepts::Graph<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:176:1:   required from 'struct boost::concepts::VertexListGraph<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:176:1:   required from 'struct boost::concepts::VertexListGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::concepts::VertexListGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::concepts::VertexListGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > > >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::concepts::VertexListGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::concepts::VertexListGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > >)>'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:55:9:   required from 'void boost::detail::kruskal_mst_impl(const Graph&, OutputIterator, Rank, Parent, Weight) [with Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<edge_desc_impl<boost::undirected_tag, long unsigned int> > >; Rank = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Parent = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Weight = boost::adj_list_edge_property_map<boost::undirected_tag, double, const double&, long unsigned int, const boost::property<boost::edge_weight_t, double>, boost::edge_weight_t>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:112:29:   required from 'void boost::kruskal_minimum_spanning_tree(const Graph&, OutputIterator) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<detail::edge_desc_impl<undirected_tag, long unsigned int> > >]'
bh.cpp:256:32:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47: warning: 'this' pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:5: note: in a call to non-static member function 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::concepts::Graph<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > >]'
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |     ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::concepts::VertexListGraph<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > > >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:182:5:   required from 'struct boost::concepts::VertexListGraph<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:176:1:   required from 'struct boost::concepts::VertexListGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::concepts::VertexListGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::concepts::VertexListGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > > >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::concepts::VertexListGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::concepts::VertexListGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > >)>'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:55:9:   required from 'void boost::detail::kruskal_mst_impl(const Graph&, OutputIterator, Rank, Parent, Weight) [with Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<edge_desc_impl<boost::undirected_tag, long unsigned int> > >; Rank = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Parent = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Weight = boost::adj_list_edge_property_map<boost::undirected_tag, double, const double&, long unsigned int, const boost::property<boost::edge_weight_t, double>, boost::edge_weight_t>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:112:29:   required from 'void boost::kruskal_minimum_spanning_tree(const Graph&, OutputIterator) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<detail::edge_desc_impl<undirected_tag, long unsigned int> > >]'
bh.cpp:256:32:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47: warning: 'this' pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:5: note: in a call to non-static member function 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::concepts::VertexListGraph<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > >]'
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |     ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::VertexListGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:55:9:   required from 'void boost::detail::kruskal_mst_impl(const Graph&, OutputIterator, Rank, Parent, Weight) [with Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<edge_desc_impl<boost::undirected_tag, long unsigned int> > >; Rank = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Parent = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Weight = boost::adj_list_edge_property_map<boost::undirected_tag, double, const double&, long unsigned int, const boost::property<boost::edge_weight_t, double>, boost::edge_weight_t>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:112:29:   required from 'void boost::kruskal_minimum_spanning_tree(const Graph&, OutputIterator) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<detail::edge_desc_impl<undirected_tag, long unsigned int> > >]'
bh.cpp:256:32:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47: warning: 'this' pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:176:15: note: in a call to non-static member function 'boost::concepts::VertexListGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > >::~VertexListGraphConcept()'
  176 | BOOST_concept(VertexListGraph, (G)) : Graph< G >
      |               ^~~~~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/preprocessor/cat.hpp:29:34: note: in definition of macro 'BOOST_PP_CAT_I'
   29 | #    define BOOST_PP_CAT_I(a, b) a ## b
      |                                  ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/concept_def.hpp:23:12: note: in expansion of macro 'BOOST_PP_CAT'
   23 |     struct BOOST_PP_CAT(name,Concept)                                           \
      |            ^~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:176:1: note: in expansion of macro 'BOOST_concept'
  176 | BOOST_concept(VertexListGraph, (G)) : Graph< G >
      | ^~~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::concepts::EdgeListGraph<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > > >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:233:5:   required from 'struct boost::concepts::EdgeListGraph<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:226:1:   required from 'struct boost::concepts::EdgeListGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::concepts::EdgeListGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::concepts::EdgeListGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > > >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::concepts::EdgeListGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::concepts::EdgeListGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > >)>'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:56:9:   required from 'void boost::detail::kruskal_mst_impl(const Graph&, OutputIterator, Rank, Parent, Weight) [with Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<edge_desc_impl<boost::undirected_tag, long unsigned int> > >; Rank = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Parent = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Weight = boost::adj_list_edge_property_map<boost::undirected_tag, double, const double&, long unsigned int, const boost::property<boost::edge_weight_t, double>, boost::edge_weight_t>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:112:29:   required from 'void boost::kruskal_minimum_spanning_tree(const Graph&, OutputIterator) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<detail::edge_desc_impl<undirected_tag, long unsigned int> > >]'
bh.cpp:256:32:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47: warning: 'this' pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:5: note: in a call to non-static member function 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::concepts::EdgeListGraph<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > >]'
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |     ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::EdgeListGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:56:9:   required from 'void boost::detail::kruskal_mst_impl(const Graph&, OutputIterator, Rank, Parent, Weight) [with Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<edge_desc_impl<boost::undirected_tag, long unsigned int> > >; Rank = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Parent = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Weight = boost::adj_list_edge_property_map<boost::undirected_tag, double, const double&, long unsigned int, const boost::property<boost::edge_weight_t, double>, boost::edge_weight_t>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:112:29:   required from 'void boost::kruskal_minimum_spanning_tree(const Graph&, OutputIterator) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<detail::edge_desc_impl<undirected_tag, long unsigned int> > >]'
bh.cpp:256:32:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47: warning: 'this' pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:226:15: note: in a call to non-static member function 'boost::concepts::EdgeListGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > >::~EdgeListGraphConcept()'
  226 | BOOST_concept(EdgeListGraph, (G)) : Graph< G >
      |               ^~~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/preprocessor/cat.hpp:29:34: note: in definition of macro 'BOOST_PP_CAT_I'
   29 | #    define BOOST_PP_CAT_I(a, b) a ## b
      |                                  ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/concept_def.hpp:23:12: note: in expansion of macro 'BOOST_PP_CAT'
   23 |     struct BOOST_PP_CAT(name,Concept)                                           \
      |            ^~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:226:1: note: in expansion of macro 'BOOST_concept'
  226 | BOOST_concept(EdgeListGraph, (G)) : Graph< G >
      | ^~~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::Assignable<std::back_insert_iterator<std::vector<boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> > > > >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:145:5:   required from 'struct boost::Assignable<std::back_insert_iterator<std::vector<boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> > > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:526:3:   required from 'struct boost::OutputIterator<std::back_insert_iterator<std::vector<boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> > >, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:526:3:   required from 'struct boost::OutputIteratorConcept<std::back_insert_iterator<std::vector<boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> > >, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::OutputIteratorConcept<std::back_insert_iterator<std::vector<boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> > >, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::OutputIteratorConcept<std::back_insert_iterator<std::vector<boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> > >, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> > >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::OutputIteratorConcept<std::back_insert_iterator<std::vector<boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> > >, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::OutputIteratorConcept<std::back_insert_iterator<std::vector<boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> > >, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> >)>'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:57:9:   required from 'void boost::detail::kruskal_mst_impl(const Graph&, OutputIterator, Rank, Parent, Weight) [with Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<edge_desc_impl<boost::undirected_tag, long unsigned int> > >; Rank = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Parent = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Weight = boost::adj_list_edge_property_map<boost::undirected_tag, double, const double&, long unsigned int, const boost::property<boost::edge_weight_t, double>, boost::edge_weight_t>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:112:29:   required from 'void boost::kruskal_minimum_spanning_tree(const Graph&, OutputIterator) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<detail::edge_desc_impl<undirected_tag, long unsigned int> > >]'
bh.cpp:256:32:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47: warning: 'this' pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:5: note: in a call to non-static member function 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::Assignable<std::back_insert_iterator<std::vector<boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> > > >]'
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |     ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::OutputIterator<std::back_insert_iterator<std::vector<boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> > >, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> > >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:529:5:   required from 'struct boost::OutputIterator<std::back_insert_iterator<std::vector<boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> > >, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:526:3:   required from 'struct boost::OutputIteratorConcept<std::back_insert_iterator<std::vector<boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> > >, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::OutputIteratorConcept<std::back_insert_iterator<std::vector<boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> > >, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::OutputIteratorConcept<std::back_insert_iterator<std::vector<boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> > >, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> > >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::OutputIteratorConcept<std::back_insert_iterator<std::vector<boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> > >, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::OutputIteratorConcept<std::back_insert_iterator<std::vector<boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> > >, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> >)>'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:57:9:   required from 'void boost::detail::kruskal_mst_impl(const Graph&, OutputIterator, Rank, Parent, Weight) [with Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<edge_desc_impl<boost::undirected_tag, long unsigned int> > >; Rank = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Parent = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Weight = boost::adj_list_edge_property_map<boost::undirected_tag, double, const double&, long unsigned int, const boost::property<boost::edge_weight_t, double>, boost::edge_weight_t>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:112:29:   required from 'void boost::kruskal_minimum_spanning_tree(const Graph&, OutputIterator) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<detail::edge_desc_impl<undirected_tag, long unsigned int> > >]'
bh.cpp:256:32:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47: warning: 'this' pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:5: note: in a call to non-static member function 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::OutputIterator<std::back_insert_iterator<std::vector<boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> > >, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> >]'
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |     ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::OutputIteratorConcept<std::back_insert_iterator<std::vector<boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> > >, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:57:9:   required from 'void boost::detail::kruskal_mst_impl(const Graph&, OutputIterator, Rank, Parent, Weight) [with Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<edge_desc_impl<boost::undirected_tag, long unsigned int> > >; Rank = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Parent = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Weight = boost::adj_list_edge_property_map<boost::undirected_tag, double, const double&, long unsigned int, const boost::property<boost::edge_weight_t, double>, boost::edge_weight_t>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:112:29:   required from 'void boost::kruskal_minimum_spanning_tree(const Graph&, OutputIterator) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<detail::edge_desc_impl<undirected_tag, long unsigned int> > >]'
bh.cpp:256:32:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47: warning: 'this' pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:526:17: note: in a call to non-static member function 'boost::OutputIteratorConcept<std::back_insert_iterator<std::vector<boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> > >, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> >::~OutputIteratorConcept()'
  526 |   BOOST_concept(OutputIterator,(TT)(ValueT))
      |                 ^~~~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/preprocessor/cat.hpp:29:34: note: in definition of macro 'BOOST_PP_CAT_I'
   29 | #    define BOOST_PP_CAT_I(a, b) a ## b
      |                                  ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/concept_def.hpp:23:12: note: in expansion of macro 'BOOST_PP_CAT'
   23 |     struct BOOST_PP_CAT(name,Concept)                                           \
      |            ^~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:526:3: note: in expansion of macro 'BOOST_concept'
  526 |   BOOST_concept(OutputIterator,(TT)(ValueT))
      |   ^~~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::constraint<Model>::failed() [with Model = boost::ReadWritePropertyMapConcept<boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>, long unsigned int>]':
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:134:9:   required from 'void boost::detail::kruskal_mst_impl(const Graph&, OutputIterator, Rank, Parent, Weight) [with Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<edge_desc_impl<boost::undirected_tag, long unsigned int> > >; Rank = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Parent = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Weight = boost::adj_list_edge_property_map<boost::undirected_tag, double, const double&, long unsigned int, const boost::property<boost::edge_weight_t, double>, boost::edge_weight_t>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:112:29:   required from 'void boost::kruskal_minimum_spanning_tree(const Graph&, OutputIterator) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<detail::edge_desc_impl<undirected_tag, long unsigned int> > >]'
bh.cpp:256:32:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:65:52: warning: 'this' pointer is null [-Wnonnull]
   65 |     static void failed() { ((Model*)0)->constraints(); }
      |                            ~~~~~~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/property_map/property_map.hpp:205:10: note: in a call to non-static member function 'void boost::ReadWritePropertyMapConcept<PMap, Key>::constraints() [with PMap = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Key = long unsigned int]'
  205 |     void constraints() {
      |          ^~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::constraint<Model>::failed() [with Model = boost::ReadablePropertyMapConcept<boost::adj_list_edge_property_map<boost::undirected_tag, double, const double&, long unsigned int, const boost::property<boost::edge_weight_t, double>, boost::edge_weight_t>, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:60:9:   required from 'void boost::detail::kruskal_mst_impl(const Graph&, OutputIterator, Rank, Parent, Weight) [with Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<edge_desc_impl<boost::undirected_tag, long unsigned int> > >; Rank = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Parent = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Weight = boost::adj_list_edge_property_map<boost::undirected_tag, double, const double&, long unsigned int, const boost::property<boost::edge_weight_t, double>, boost::edge_weight_t>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:112:29:   required from 'void boost::kruskal_minimum_spanning_tree(const Graph&, OutputIterator) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<detail::edge_desc_impl<undirected_tag, long unsigned int> > >]'
bh.cpp:256:32:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:65:52: warning: 'this' pointer is null [-Wnonnull]
   65 |     static void failed() { ((Model*)0)->constraints(); }
      |                            ~~~~~~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/property_map/property_map.hpp:147:10: note: in a call to non-static member function 'void boost::ReadablePropertyMapConcept<PMap, Key>::constraints() [with PMap = boost::adj_list_edge_property_map<boost::undirected_tag, double, const double&, long unsigned int, const boost::property<boost::edge_weight_t, double>, boost::edge_weight_t>; Key = boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>]'
  147 |     void constraints() {
      |          ^~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::Comparable<double> >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:253:5:   required from 'struct boost::Comparable<double>'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:251:3:   required from 'struct boost::ComparableConcept<double>'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::ComparableConcept<double>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::ComparableConcept<double> >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::ComparableConcept<double> >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::ComparableConcept<double>)>'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:64:9:   required from 'void boost::detail::kruskal_mst_impl(const Graph&, OutputIterator, Rank, Parent, Weight) [with Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<edge_desc_impl<boost::undirected_tag, long unsigned int> > >; Rank = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Parent = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Weight = boost::adj_list_edge_property_map<boost::undirected_tag, double, const double&, long unsigned int, const boost::property<boost::edge_weight_t, double>, boost::edge_weight_t>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:112:29:   required from 'void boost::kruskal_minimum_spanning_tree(const Graph&, OutputIterator) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<detail::edge_desc_impl<undirected_tag, long unsigned int> > >]'
bh.cpp:256:32:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47: warning: 'this' pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:5: note: in a call to non-static member function 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::Comparable<double>]'
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |     ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::ComparableConcept<double>]':
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:64:9:   required from 'void boost::detail::kruskal_mst_impl(const Graph&, OutputIterator, Rank, Parent, Weight) [with Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<edge_desc_impl<boost::undirected_tag, long unsigned int> > >; Rank = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Parent = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Weight = boost::adj_list_edge_property_map<boost::undirected_tag, double, const double&, long unsigned int, const boost::property<boost::edge_weight_t, double>, boost::edge_weight_t>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:112:29:   required from 'void boost::kruskal_minimum_spanning_tree(const Graph&, OutputIterator) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<detail::edge_desc_impl<undirected_tag, long unsigned int> > >]'
bh.cpp:256:32:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47: warning: 'this' pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:251:17: note: in a call to non-static member function 'boost::ComparableConcept<double>::~ComparableConcept()'
  251 |   BOOST_concept(Comparable,(TT))
      |                 ^~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/preprocessor/cat.hpp:29:34: note: in definition of macro 'BOOST_PP_CAT_I'
   29 | #    define BOOST_PP_CAT_I(a, b) a ## b
      |                                  ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/concept_def.hpp:23:12: note: in expansion of macro 'BOOST_PP_CAT'
   23 |     struct BOOST_PP_CAT(name,Concept)                                           \
      |            ^~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:251:3: note: in expansion of macro 'BOOST_concept'
  251 |   BOOST_concept(Comparable,(TT))
      |   ^~~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::Convertible<long unsigned int, long unsigned int> >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:208:5:   required from 'struct boost::Convertible<long unsigned int, long unsigned int>'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:206:3:   required from 'struct boost::ConvertibleConcept<long unsigned int, long unsigned int>'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::ConvertibleConcept<long unsigned int, long unsigned int>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::ConvertibleConcept<long unsigned int, long unsigned int> >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::ConvertibleConcept<long unsigned int, long unsigned int> >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::ConvertibleConcept<long unsigned int, long unsigned int>)>'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:65:9:   required from 'void boost::detail::kruskal_mst_impl(const Graph&, OutputIterator, Rank, Parent, Weight) [with Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<edge_desc_impl<boost::undirected_tag, long unsigned int> > >; Rank = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Parent = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Weight = boost::adj_list_edge_property_map<boost::undirected_tag, double, const double&, long unsigned int, const boost::property<boost::edge_weight_t, double>, boost::edge_weight_t>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:112:29:   required from 'void boost::kruskal_minimum_spanning_tree(const Graph&, OutputIterator) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<detail::edge_desc_impl<undirected_tag, long unsigned int> > >]'
bh.cpp:256:32:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47: warning: 'this' pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:5: note: in a call to non-static member function 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::Convertible<long unsigned int, long unsigned int>]'
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |     ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::ConvertibleConcept<long unsigned int, long unsigned int>]':
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:65:9:   required from 'void boost::detail::kruskal_mst_impl(const Graph&, OutputIterator, Rank, Parent, Weight) [with Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<edge_desc_impl<boost::undirected_tag, long unsigned int> > >; Rank = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Parent = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Weight = boost::adj_list_edge_property_map<boost::undirected_tag, double, const double&, long unsigned int, const boost::property<boost::edge_weight_t, double>, boost::edge_weight_t>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:112:29:   required from 'void boost::kruskal_minimum_spanning_tree(const Graph&, OutputIterator) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<detail::edge_desc_impl<undirected_tag, long unsigned int> > >]'
bh.cpp:256:32:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47: warning: 'this' pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:206:17: note: in a call to non-static member function 'boost::ConvertibleConcept<long unsigned int, long unsigned int>::~ConvertibleConcept()'
  206 |   BOOST_concept(Convertible,(X)(Y))
      |                 ^~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/preprocessor/cat.hpp:29:34: note: in definition of macro 'BOOST_PP_CAT_I'
   29 | #    define BOOST_PP_CAT_I(a, b) a ## b
      |                                  ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/concept_def.hpp:23:12: note: in expansion of macro 'BOOST_PP_CAT'
   23 |     struct BOOST_PP_CAT(name,Concept)                                           \
      |            ^~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:206:3: note: in expansion of macro 'BOOST_concept'
  206 |   BOOST_concept(Convertible,(X)(Y))
      |   ^~~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::IntegerConcept<long unsigned int>]':
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:66:9:   required from 'void boost::detail::kruskal_mst_impl(const Graph&, OutputIterator, Rank, Parent, Weight) [with Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<edge_desc_impl<boost::undirected_tag, long unsigned int> > >; Rank = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Parent = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Weight = boost::adj_list_edge_property_map<boost::undirected_tag, double, const double&, long unsigned int, const boost::property<boost::edge_weight_t, double>, boost::edge_weight_t>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:112:29:   required from 'void boost::kruskal_minimum_spanning_tree(const Graph&, OutputIterator) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<detail::edge_desc_impl<undirected_tag, long unsigned int> > >]'
bh.cpp:256:32:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47: warning: 'this' pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:70:17: note: in a call to non-static member function 'boost::IntegerConcept<long unsigned int>::~IntegerConcept()'
   70 |   BOOST_concept(Integer, (T))
      |                 ^~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/preprocessor/cat.hpp:29:34: note: in definition of macro 'BOOST_PP_CAT_I'
   29 | #    define BOOST_PP_CAT_I(a, b) a ## b
      |                                  ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/concept_def.hpp:23:12: note: in expansion of macro 'BOOST_PP_CAT'
   23 |     struct BOOST_PP_CAT(name,Concept)                                           \
      |            ^~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:70:3: note: in expansion of macro 'BOOST_concept'
   70 |   BOOST_concept(Integer, (T))
      |   ^~~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp: In instantiation of 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::Convertible<boost::lvalue_property_map_tag, boost::writable_property_map_tag>]':
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::Convertible<boost::lvalue_property_map_tag, boost::writable_property_map_tag> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:208:5:   required from 'struct boost::Convertible<boost::lvalue_property_map_tag, boost::writable_property_map_tag>'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:206:3:   required from 'struct boost::ConvertibleConcept<boost::lvalue_property_map_tag, boost::writable_property_map_tag>'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::ConvertibleConcept<boost::lvalue_property_map_tag, boost::writable_property_map_tag>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::ConvertibleConcept<boost::lvalue_property_map_tag, boost::writable_property_map_tag> >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   [ skipping 3 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::WritablePropertyMapConcept<int*, long unsigned int>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::WritablePropertyMapConcept<int*, long unsigned int> >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::WritablePropertyMapConcept<int*, long unsigned int> >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::WritablePropertyMapConcept<int*, long unsigned int>)>'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/connected_components.hpp:76:5:   required from 'typename boost::property_traits<IndexMap>::value_type boost::connected_components(const Graph&, ComponentMap, typename enable_if_c<is_base_and_derived<vertex_list_graph_tag, typename graph_traits<Graph>::traversal_category>::value, graph::detail::no_parameter>::type) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; ComponentMap = int*; typename property_traits<IndexMap>::value_type = int; typename enable_if_c<is_base_and_derived<vertex_list_graph_tag, typename graph_traits<Graph>::traversal_category>::value, graph::detail::no_parameter>::type = graph::detail::no_parameter; typename graph_traits<Graph>::traversal_category = undir_adj_list_traversal_tag]'
bh.cpp:146:23:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:48: warning: 'this' pointer is null [-Wnonnull]
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |                             ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:37:7: note: in a call to non-static member function 'boost::Convertible<X, Y>::~Convertible() [with X = boost::lvalue_property_map_tag; Y = boost::writable_property_map_tag]'
   37 |       ~model()
      |       ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:208:5: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
  208 |     BOOST_CONCEPT_USAGE(Convertible) {
      |     ^~~~~~~~~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp: In instantiation of 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::Assignable<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::Assignable<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:145:5:   required from 'struct boost::Assignable<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:502:3:   required from 'struct boost::InputIterator<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:540:3:   required from 'struct boost::ForwardIterator<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:568:3:   required from 'struct boost::BidirectionalIterator<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:597:3:   [ skipping 3 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::RandomAccessIteratorConcept<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > > >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::RandomAccessIteratorConcept<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::RandomAccessIteratorConcept<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > >)>'
/data/gannet/ripley/R/test-dev/BH/include/boost/property_map/property_map.hpp:354:5:   required from 'boost::iterator_property_map<RAIter, ID, Value, Value&> boost::make_iterator_property_map(RAIter, ID, Value) [with RAIter = __gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >; Value = long unsigned int; ID = vec_adj_list_vertex_id_map<property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:113:35:   required from 'void boost::kruskal_minimum_spanning_tree(const Graph&, OutputIterator) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<detail::edge_desc_impl<undirected_tag, long unsigned int> > >]'
bh.cpp:256:32:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:48: warning: 'this' pointer is null [-Wnonnull]
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |                             ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:37:7: note: in a call to non-static member function 'boost::Assignable<TT>::~Assignable() [with TT = __gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >]'
   37 |       ~model()
      |       ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:145:5: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
  145 |     BOOST_CONCEPT_USAGE(Assignable) {
      |     ^~~~~~~~~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp: In instantiation of 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::EqualityComparable<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::EqualityComparable<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:233:5:   required from 'struct boost::EqualityComparable<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:502:3:   required from 'struct boost::InputIterator<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:540:3:   required from 'struct boost::ForwardIterator<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:568:3:   required from 'struct boost::BidirectionalIterator<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:597:3:   [ skipping 3 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::RandomAccessIteratorConcept<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > > >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::RandomAccessIteratorConcept<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::RandomAccessIteratorConcept<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > >)>'
/data/gannet/ripley/R/test-dev/BH/include/boost/property_map/property_map.hpp:354:5:   required from 'boost::iterator_property_map<RAIter, ID, Value, Value&> boost::make_iterator_property_map(RAIter, ID, Value) [with RAIter = __gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >; Value = long unsigned int; ID = vec_adj_list_vertex_id_map<property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:113:35:   required from 'void boost::kruskal_minimum_spanning_tree(const Graph&, OutputIterator) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<detail::edge_desc_impl<undirected_tag, long unsigned int> > >]'
bh.cpp:256:32:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:48: warning: 'this' pointer is null [-Wnonnull]
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |                             ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:37:7: note: in a call to non-static member function 'boost::EqualityComparable<TT>::~EqualityComparable() [with TT = __gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >]'
   37 |       ~model()
      |       ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:233:5: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
  233 |     BOOST_CONCEPT_USAGE(EqualityComparable) {
      |     ^~~~~~~~~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp: In instantiation of 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::InputIterator<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::InputIterator<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:512:7:   required from 'struct boost::InputIterator<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:540:3:   required from 'struct boost::ForwardIterator<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:568:3:   required from 'struct boost::BidirectionalIterator<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:597:3:   required from 'struct boost::RandomAccessIterator<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:597:3:   [ skipping 2 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::RandomAccessIteratorConcept<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > > >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::RandomAccessIteratorConcept<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::RandomAccessIteratorConcept<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > >)>'
/data/gannet/ripley/R/test-dev/BH/include/boost/property_map/property_map.hpp:354:5:   required from 'boost::iterator_property_map<RAIter, ID, Value, Value&> boost::make_iterator_property_map(RAIter, ID, Value) [with RAIter = __gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >; Value = long unsigned int; ID = vec_adj_list_vertex_id_map<property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:113:35:   required from 'void boost::kruskal_minimum_spanning_tree(const Graph&, OutputIterator) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<detail::edge_desc_impl<undirected_tag, long unsigned int> > >]'
bh.cpp:256:32:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:48: warning: 'this' pointer is null [-Wnonnull]
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |                             ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:37:7: note: in a call to non-static member function 'boost::InputIterator<TT>::~InputIterator() [with TT = __gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >]'
   37 |       ~model()
      |       ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:512:7: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
  512 |       BOOST_CONCEPT_USAGE(InputIterator)
      |       ^~~~~~~~~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp: In instantiation of 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::ForwardIterator<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::ForwardIterator<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:543:7:   required from 'struct boost::ForwardIterator<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:568:3:   required from 'struct boost::BidirectionalIterator<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:597:3:   required from 'struct boost::RandomAccessIterator<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:597:3:   [ skipping 2 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::RandomAccessIteratorConcept<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > > >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::RandomAccessIteratorConcept<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::RandomAccessIteratorConcept<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > >)>'
/data/gannet/ripley/R/test-dev/BH/include/boost/property_map/property_map.hpp:354:5:   required from 'boost::iterator_property_map<RAIter, ID, Value, Value&> boost::make_iterator_property_map(RAIter, ID, Value) [with RAIter = __gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >; Value = long unsigned int; ID = vec_adj_list_vertex_id_map<property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:113:35:   required from 'void boost::kruskal_minimum_spanning_tree(const Graph&, OutputIterator) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<detail::edge_desc_impl<undirected_tag, long unsigned int> > >]'
bh.cpp:256:32:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:48: warning: 'this' pointer is null [-Wnonnull]
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |                             ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:37:7: note: in a call to non-static member function 'boost::ForwardIterator<TT>::~ForwardIterator() [with TT = __gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >]'
   37 |       ~model()
      |       ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:543:7: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
  543 |       BOOST_CONCEPT_USAGE(ForwardIterator)
      |       ^~~~~~~~~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp: In instantiation of 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::BidirectionalIterator<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::BidirectionalIterator<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:571:7:   required from 'struct boost::BidirectionalIterator<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:597:3:   required from 'struct boost::RandomAccessIterator<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:597:3:   required from 'struct boost::RandomAccessIteratorConcept<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::RandomAccessIteratorConcept<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::RandomAccessIteratorConcept<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > > >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::RandomAccessIteratorConcept<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::RandomAccessIteratorConcept<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > >)>'
/data/gannet/ripley/R/test-dev/BH/include/boost/property_map/property_map.hpp:354:5:   required from 'boost::iterator_property_map<RAIter, ID, Value, Value&> boost::make_iterator_property_map(RAIter, ID, Value) [with RAIter = __gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >; Value = long unsigned int; ID = vec_adj_list_vertex_id_map<property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:113:35:   required from 'void boost::kruskal_minimum_spanning_tree(const Graph&, OutputIterator) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<detail::edge_desc_impl<undirected_tag, long unsigned int> > >]'
bh.cpp:256:32:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:48: warning: 'this' pointer is null [-Wnonnull]
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |                             ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:37:7: note: in a call to non-static member function 'boost::BidirectionalIterator<TT>::~BidirectionalIterator() [with TT = __gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >]'
   37 |       ~model()
      |       ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:571:7: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
  571 |       BOOST_CONCEPT_USAGE(BidirectionalIterator)
      |       ^~~~~~~~~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp: In instantiation of 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::Comparable<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::Comparable<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:253:5:   required from 'struct boost::Comparable<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:597:3:   required from 'struct boost::RandomAccessIterator<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:597:3:   required from 'struct boost::RandomAccessIteratorConcept<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::RandomAccessIteratorConcept<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::RandomAccessIteratorConcept<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > > >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::RandomAccessIteratorConcept<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::RandomAccessIteratorConcept<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > >)>'
/data/gannet/ripley/R/test-dev/BH/include/boost/property_map/property_map.hpp:354:5:   required from 'boost::iterator_property_map<RAIter, ID, Value, Value&> boost::make_iterator_property_map(RAIter, ID, Value) [with RAIter = __gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >; Value = long unsigned int; ID = vec_adj_list_vertex_id_map<property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:113:35:   required from 'void boost::kruskal_minimum_spanning_tree(const Graph&, OutputIterator) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<detail::edge_desc_impl<undirected_tag, long unsigned int> > >]'
bh.cpp:256:32:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:48: warning: 'this' pointer is null [-Wnonnull]
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |                             ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:37:7: note: in a call to non-static member function 'boost::Comparable<TT>::~Comparable() [with TT = __gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >]'
   37 |       ~model()
      |       ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:253:5: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
  253 |     BOOST_CONCEPT_USAGE(Comparable) {
      |     ^~~~~~~~~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp: In instantiation of 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::RandomAccessIterator<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::RandomAccessIterator<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:601:7:   required from 'struct boost::RandomAccessIterator<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:597:3:   required from 'struct boost::RandomAccessIteratorConcept<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::RandomAccessIteratorConcept<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::RandomAccessIteratorConcept<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > > >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::RandomAccessIteratorConcept<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::RandomAccessIteratorConcept<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > >)>'
/data/gannet/ripley/R/test-dev/BH/include/boost/property_map/property_map.hpp:354:5:   required from 'boost::iterator_property_map<RAIter, ID, Value, Value&> boost::make_iterator_property_map(RAIter, ID, Value) [with RAIter = __gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >; Value = long unsigned int; ID = vec_adj_list_vertex_id_map<property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:113:35:   required from 'void boost::kruskal_minimum_spanning_tree(const Graph&, OutputIterator) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<detail::edge_desc_impl<undirected_tag, long unsigned int> > >]'
bh.cpp:256:32:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:48: warning: 'this' pointer is null [-Wnonnull]
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |                             ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:37:7: note: in a call to non-static member function 'boost::RandomAccessIterator<TT>::~RandomAccessIterator() [with TT = __gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >]'
   37 |       ~model()
      |       ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:601:7: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
  601 |       BOOST_CONCEPT_USAGE(RandomAccessIterator)
      |       ^~~~~~~~~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp: In instantiation of 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::concepts::Graph<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::concepts::Graph<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:66:5:   required from 'struct boost::concepts::Graph<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:176:1:   required from 'struct boost::concepts::VertexListGraph<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:176:1:   required from 'struct boost::concepts::VertexListGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::concepts::VertexListGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::concepts::VertexListGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > > >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::concepts::VertexListGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::concepts::VertexListGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > >)>'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:55:9:   required from 'void boost::detail::kruskal_mst_impl(const Graph&, OutputIterator, Rank, Parent, Weight) [with Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<edge_desc_impl<boost::undirected_tag, long unsigned int> > >; Rank = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Parent = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Weight = boost::adj_list_edge_property_map<boost::undirected_tag, double, const double&, long unsigned int, const boost::property<boost::edge_weight_t, double>, boost::edge_weight_t>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:112:29:   required from 'void boost::kruskal_minimum_spanning_tree(const Graph&, OutputIterator) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<detail::edge_desc_impl<undirected_tag, long unsigned int> > >]'
bh.cpp:256:32:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:48: warning: 'this' pointer is null [-Wnonnull]
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |                             ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:37:7: note: in a call to non-static member function 'boost::concepts::Graph<G>::~Graph() [with G = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >]'
   37 |       ~model()
      |       ^
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:66:5: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
   66 |     BOOST_CONCEPT_USAGE(Graph)
      |     ^~~~~~~~~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp: In instantiation of 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::concepts::VertexListGraph<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::concepts::VertexListGraph<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:182:5:   required from 'struct boost::concepts::VertexListGraph<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:176:1:   required from 'struct boost::concepts::VertexListGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::concepts::VertexListGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::concepts::VertexListGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > > >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::concepts::VertexListGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::concepts::VertexListGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > >)>'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:55:9:   required from 'void boost::detail::kruskal_mst_impl(const Graph&, OutputIterator, Rank, Parent, Weight) [with Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<edge_desc_impl<boost::undirected_tag, long unsigned int> > >; Rank = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Parent = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Weight = boost::adj_list_edge_property_map<boost::undirected_tag, double, const double&, long unsigned int, const boost::property<boost::edge_weight_t, double>, boost::edge_weight_t>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:112:29:   required from 'void boost::kruskal_minimum_spanning_tree(const Graph&, OutputIterator) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<detail::edge_desc_impl<undirected_tag, long unsigned int> > >]'
bh.cpp:256:32:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:48: warning: 'this' pointer is null [-Wnonnull]
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |                             ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:37:7: note: in a call to non-static member function 'boost::concepts::VertexListGraph<G>::~VertexListGraph() [with G = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >]'
   37 |       ~model()
      |       ^
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:182:5: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
  182 |     BOOST_CONCEPT_USAGE(VertexListGraph)
      |     ^~~~~~~~~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp: In instantiation of 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::concepts::EdgeListGraph<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::concepts::EdgeListGraph<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:233:5:   required from 'struct boost::concepts::EdgeListGraph<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:226:1:   required from 'struct boost::concepts::EdgeListGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::concepts::EdgeListGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::concepts::EdgeListGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > > >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::concepts::EdgeListGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::concepts::EdgeListGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > >)>'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:56:9:   required from 'void boost::detail::kruskal_mst_impl(const Graph&, OutputIterator, Rank, Parent, Weight) [with Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<edge_desc_impl<boost::undirected_tag, long unsigned int> > >; Rank = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Parent = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Weight = boost::adj_list_edge_property_map<boost::undirected_tag, double, const double&, long unsigned int, const boost::property<boost::edge_weight_t, double>, boost::edge_weight_t>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:112:29:   required from 'void boost::kruskal_minimum_spanning_tree(const Graph&, OutputIterator) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<detail::edge_desc_impl<undirected_tag, long unsigned int> > >]'
bh.cpp:256:32:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:48: warning: 'this' pointer is null [-Wnonnull]
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |                             ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:37:7: note: in a call to non-static member function 'boost::concepts::EdgeListGraph<G>::~EdgeListGraph() [with G = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >]'
   37 |       ~model()
      |       ^
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:233:5: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
  233 |     BOOST_CONCEPT_USAGE(EdgeListGraph)
      |     ^~~~~~~~~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp: In instantiation of 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::Assignable<std::back_insert_iterator<std::vector<boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> > > >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::Assignable<std::back_insert_iterator<std::vector<boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> > > > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:145:5:   required from 'struct boost::Assignable<std::back_insert_iterator<std::vector<boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> > > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:526:3:   required from 'struct boost::OutputIterator<std::back_insert_iterator<std::vector<boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> > >, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:526:3:   required from 'struct boost::OutputIteratorConcept<std::back_insert_iterator<std::vector<boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> > >, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::OutputIteratorConcept<std::back_insert_iterator<std::vector<boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> > >, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::OutputIteratorConcept<std::back_insert_iterator<std::vector<boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> > >, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> > >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::OutputIteratorConcept<std::back_insert_iterator<std::vector<boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> > >, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::OutputIteratorConcept<std::back_insert_iterator<std::vector<boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> > >, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> >)>'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:57:9:   required from 'void boost::detail::kruskal_mst_impl(const Graph&, OutputIterator, Rank, Parent, Weight) [with Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<edge_desc_impl<boost::undirected_tag, long unsigned int> > >; Rank = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Parent = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Weight = boost::adj_list_edge_property_map<boost::undirected_tag, double, const double&, long unsigned int, const boost::property<boost::edge_weight_t, double>, boost::edge_weight_t>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:112:29:   required from 'void boost::kruskal_minimum_spanning_tree(const Graph&, OutputIterator) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<detail::edge_desc_impl<undirected_tag, long unsigned int> > >]'
bh.cpp:256:32:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:48: warning: 'this' pointer is null [-Wnonnull]
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |                             ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:37:7: note: in a call to non-static member function 'boost::Assignable<TT>::~Assignable() [with TT = std::back_insert_iterator<std::vector<boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> > >]'
   37 |       ~model()
      |       ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:145:5: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
  145 |     BOOST_CONCEPT_USAGE(Assignable) {
      |     ^~~~~~~~~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp: In instantiation of 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::OutputIterator<std::back_insert_iterator<std::vector<boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> > >, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::OutputIterator<std::back_insert_iterator<std::vector<boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> > >, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:529:5:   required from 'struct boost::OutputIterator<std::back_insert_iterator<std::vector<boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> > >, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:526:3:   required from 'struct boost::OutputIteratorConcept<std::back_insert_iterator<std::vector<boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> > >, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::OutputIteratorConcept<std::back_insert_iterator<std::vector<boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> > >, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::OutputIteratorConcept<std::back_insert_iterator<std::vector<boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> > >, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> > >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::OutputIteratorConcept<std::back_insert_iterator<std::vector<boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> > >, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::OutputIteratorConcept<std::back_insert_iterator<std::vector<boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> > >, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> >)>'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:57:9:   required from 'void boost::detail::kruskal_mst_impl(const Graph&, OutputIterator, Rank, Parent, Weight) [with Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<edge_desc_impl<boost::undirected_tag, long unsigned int> > >; Rank = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Parent = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Weight = boost::adj_list_edge_property_map<boost::undirected_tag, double, const double&, long unsigned int, const boost::property<boost::edge_weight_t, double>, boost::edge_weight_t>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:112:29:   required from 'void boost::kruskal_minimum_spanning_tree(const Graph&, OutputIterator) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<detail::edge_desc_impl<undirected_tag, long unsigned int> > >]'
bh.cpp:256:32:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:48: warning: 'this' pointer is null [-Wnonnull]
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |                             ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:37:7: note: in a call to non-static member function 'boost::OutputIterator<TT, ValueT>::~OutputIterator() [with TT = std::back_insert_iterator<std::vector<boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> > >; ValueT = boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>]'
   37 |       ~model()
      |       ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:529:5: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
  529 |     BOOST_CONCEPT_USAGE(OutputIterator) {
      |     ^~~~~~~~~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::constraint<Model>::failed() [with Model = boost::ReadablePropertyMapConcept<boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>, long unsigned int>]':
/data/gannet/ripley/R/test-dev/BH/include/boost/property_map/property_map.hpp:206:7:   required from 'void boost::ReadWritePropertyMapConcept<PMap, Key>::constraints() [with PMap = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Key = long unsigned int]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::ReadWritePropertyMapConcept<boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>, long unsigned int>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::ReadWritePropertyMapConcept<boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>, long unsigned int> >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::ReadWritePropertyMapConcept<boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>, long unsigned int> >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::ReadWritePropertyMapConcept<boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>, long unsigned int>)>'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:134:9:   required from 'void boost::detail::kruskal_mst_impl(const Graph&, OutputIterator, Rank, Parent, Weight) [with Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<edge_desc_impl<boost::undirected_tag, long unsigned int> > >; Rank = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Parent = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Weight = boost::adj_list_edge_property_map<boost::undirected_tag, double, const double&, long unsigned int, const boost::property<boost::edge_weight_t, double>, boost::edge_weight_t>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:112:29:   required from 'void boost::kruskal_minimum_spanning_tree(const Graph&, OutputIterator) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<detail::edge_desc_impl<undirected_tag, long unsigned int> > >]'
bh.cpp:256:32:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:65:52: warning: 'this' pointer is null [-Wnonnull]
   65 |     static void failed() { ((Model*)0)->constraints(); }
      |                            ~~~~~~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/property_map/property_map.hpp:147:10: note: in a call to non-static member function 'void boost::ReadablePropertyMapConcept<PMap, Key>::constraints() [with PMap = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Key = long unsigned int]'
  147 |     void constraints() {
      |          ^~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::constraint<Model>::failed() [with Model = boost::WritablePropertyMapConcept<boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>, long unsigned int>]':
/data/gannet/ripley/R/test-dev/BH/include/boost/property_map/property_map.hpp:207:7:   required from 'void boost::ReadWritePropertyMapConcept<PMap, Key>::constraints() [with PMap = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Key = long unsigned int]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::ReadWritePropertyMapConcept<boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>, long unsigned int>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::ReadWritePropertyMapConcept<boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>, long unsigned int> >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::ReadWritePropertyMapConcept<boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>, long unsigned int> >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::ReadWritePropertyMapConcept<boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>, long unsigned int>)>'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:134:9:   required from 'void boost::detail::kruskal_mst_impl(const Graph&, OutputIterator, Rank, Parent, Weight) [with Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<edge_desc_impl<boost::undirected_tag, long unsigned int> > >; Rank = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Parent = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Weight = boost::adj_list_edge_property_map<boost::undirected_tag, double, const double&, long unsigned int, const boost::property<boost::edge_weight_t, double>, boost::edge_weight_t>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:112:29:   required from 'void boost::kruskal_minimum_spanning_tree(const Graph&, OutputIterator) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<detail::edge_desc_impl<undirected_tag, long unsigned int> > >]'
bh.cpp:256:32:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:65:52: warning: 'this' pointer is null [-Wnonnull]
   65 |     static void failed() { ((Model*)0)->constraints(); }
      |                            ~~~~~~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/property_map/property_map.hpp:179:10: note: in a call to non-static member function 'void boost::WritablePropertyMapConcept<PMap, Key>::constraints() [with PMap = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Key = long unsigned int]'
  179 |     void constraints() {
      |          ^~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::Convertible<boost::lvalue_property_map_tag, boost::read_write_property_map_tag> >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:208:5:   required from 'struct boost::Convertible<boost::lvalue_property_map_tag, boost::read_write_property_map_tag>'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:206:3:   required from 'struct boost::ConvertibleConcept<boost::lvalue_property_map_tag, boost::read_write_property_map_tag>'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::ConvertibleConcept<boost::lvalue_property_map_tag, boost::read_write_property_map_tag>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::ConvertibleConcept<boost::lvalue_property_map_tag, boost::read_write_property_map_tag> >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::ConvertibleConcept<boost::lvalue_property_map_tag, boost::read_write_property_map_tag> >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   [ skipping 3 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::ReadWritePropertyMapConcept<boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>, long unsigned int> >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::ReadWritePropertyMapConcept<boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>, long unsigned int> >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::ReadWritePropertyMapConcept<boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>, long unsigned int>)>'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:134:9:   required from 'void boost::detail::kruskal_mst_impl(const Graph&, OutputIterator, Rank, Parent, Weight) [with Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<edge_desc_impl<boost::undirected_tag, long unsigned int> > >; Rank = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Parent = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Weight = boost::adj_list_edge_property_map<boost::undirected_tag, double, const double&, long unsigned int, const boost::property<boost::edge_weight_t, double>, boost::edge_weight_t>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:112:29:   required from 'void boost::kruskal_minimum_spanning_tree(const Graph&, OutputIterator) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<detail::edge_desc_impl<undirected_tag, long unsigned int> > >]'
bh.cpp:256:32:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47: warning: 'this' pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:5: note: in a call to non-static member function 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::Convertible<boost::lvalue_property_map_tag, boost::read_write_property_map_tag>]'
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |     ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::ConvertibleConcept<boost::lvalue_property_map_tag, boost::read_write_property_map_tag>]':
/data/gannet/ripley/R/test-dev/BH/include/boost/property_map/property_map.hpp:208:7:   required from 'void boost::ReadWritePropertyMapConcept<PMap, Key>::constraints() [with PMap = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Key = long unsigned int]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::ReadWritePropertyMapConcept<boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>, long unsigned int>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::ReadWritePropertyMapConcept<boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>, long unsigned int> >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::ReadWritePropertyMapConcept<boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>, long unsigned int> >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::ReadWritePropertyMapConcept<boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>, long unsigned int>)>'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:134:9:   required from 'void boost::detail::kruskal_mst_impl(const Graph&, OutputIterator, Rank, Parent, Weight) [with Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<edge_desc_impl<boost::undirected_tag, long unsigned int> > >; Rank = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Parent = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Weight = boost::adj_list_edge_property_map<boost::undirected_tag, double, const double&, long unsigned int, const boost::property<boost::edge_weight_t, double>, boost::edge_weight_t>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:112:29:   required from 'void boost::kruskal_minimum_spanning_tree(const Graph&, OutputIterator) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<detail::edge_desc_impl<undirected_tag, long unsigned int> > >]'
bh.cpp:256:32:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47: warning: 'this' pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:206:17: note: in a call to non-static member function 'boost::ConvertibleConcept<boost::lvalue_property_map_tag, boost::read_write_property_map_tag>::~ConvertibleConcept()'
  206 |   BOOST_concept(Convertible,(X)(Y))
      |                 ^~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/preprocessor/cat.hpp:29:34: note: in definition of macro 'BOOST_PP_CAT_I'
   29 | #    define BOOST_PP_CAT_I(a, b) a ## b
      |                                  ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/concept_def.hpp:23:12: note: in expansion of macro 'BOOST_PP_CAT'
   23 |     struct BOOST_PP_CAT(name,Concept)                                           \
      |            ^~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:206:3: note: in expansion of macro 'BOOST_concept'
  206 |   BOOST_concept(Convertible,(X)(Y))
      |   ^~~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::Convertible<boost::lvalue_property_map_tag, boost::readable_property_map_tag> >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:208:5:   required from 'struct boost::Convertible<boost::lvalue_property_map_tag, boost::readable_property_map_tag>'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:206:3:   required from 'struct boost::ConvertibleConcept<boost::lvalue_property_map_tag, boost::readable_property_map_tag>'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::ConvertibleConcept<boost::lvalue_property_map_tag, boost::readable_property_map_tag>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::ConvertibleConcept<boost::lvalue_property_map_tag, boost::readable_property_map_tag> >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::ConvertibleConcept<boost::lvalue_property_map_tag, boost::readable_property_map_tag> >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   [ skipping 3 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::ReadablePropertyMapConcept<boost::adj_list_edge_property_map<boost::undirected_tag, double, const double&, long unsigned int, const boost::property<boost::edge_weight_t, double>, boost::edge_weight_t>, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> > >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::ReadablePropertyMapConcept<boost::adj_list_edge_property_map<boost::undirected_tag, double, const double&, long unsigned int, const boost::property<boost::edge_weight_t, double>, boost::edge_weight_t>, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::ReadablePropertyMapConcept<boost::adj_list_edge_property_map<boost::undirected_tag, double, const double&, long unsigned int, const boost::property<boost::edge_weight_t, double>, boost::edge_weight_t>, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> >)>'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:60:9:   required from 'void boost::detail::kruskal_mst_impl(const Graph&, OutputIterator, Rank, Parent, Weight) [with Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<edge_desc_impl<boost::undirected_tag, long unsigned int> > >; Rank = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Parent = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Weight = boost::adj_list_edge_property_map<boost::undirected_tag, double, const double&, long unsigned int, const boost::property<boost::edge_weight_t, double>, boost::edge_weight_t>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:112:29:   required from 'void boost::kruskal_minimum_spanning_tree(const Graph&, OutputIterator) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<detail::edge_desc_impl<undirected_tag, long unsigned int> > >]'
bh.cpp:256:32:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47: warning: 'this' pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:5: note: in a call to non-static member function 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::Convertible<boost::lvalue_property_map_tag, boost::readable_property_map_tag>]'
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |     ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::ConvertibleConcept<boost::lvalue_property_map_tag, boost::readable_property_map_tag>]':
/data/gannet/ripley/R/test-dev/BH/include/boost/property_map/property_map.hpp:148:7:   required from 'void boost::ReadablePropertyMapConcept<PMap, Key>::constraints() [with PMap = boost::adj_list_edge_property_map<boost::undirected_tag, double, const double&, long unsigned int, const boost::property<boost::edge_weight_t, double>, boost::edge_weight_t>; Key = boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::ReadablePropertyMapConcept<boost::adj_list_edge_property_map<boost::undirected_tag, double, const double&, long unsigned int, const boost::property<boost::edge_weight_t, double>, boost::edge_weight_t>, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::ReadablePropertyMapConcept<boost::adj_list_edge_property_map<boost::undirected_tag, double, const double&, long unsigned int, const boost::property<boost::edge_weight_t, double>, boost::edge_weight_t>, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> > >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::ReadablePropertyMapConcept<boost::adj_list_edge_property_map<boost::undirected_tag, double, const double&, long unsigned int, const boost::property<boost::edge_weight_t, double>, boost::edge_weight_t>, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::ReadablePropertyMapConcept<boost::adj_list_edge_property_map<boost::undirected_tag, double, const double&, long unsigned int, const boost::property<boost::edge_weight_t, double>, boost::edge_weight_t>, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> >)>'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:60:9:   required from 'void boost::detail::kruskal_mst_impl(const Graph&, OutputIterator, Rank, Parent, Weight) [with Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<edge_desc_impl<boost::undirected_tag, long unsigned int> > >; Rank = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Parent = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Weight = boost::adj_list_edge_property_map<boost::undirected_tag, double, const double&, long unsigned int, const boost::property<boost::edge_weight_t, double>, boost::edge_weight_t>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:112:29:   required from 'void boost::kruskal_minimum_spanning_tree(const Graph&, OutputIterator) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<detail::edge_desc_impl<undirected_tag, long unsigned int> > >]'
bh.cpp:256:32:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47: warning: 'this' pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:206:17: note: in a call to non-static member function 'boost::ConvertibleConcept<boost::lvalue_property_map_tag, boost::readable_property_map_tag>::~ConvertibleConcept()'
  206 |   BOOST_concept(Convertible,(X)(Y))
      |                 ^~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/preprocessor/cat.hpp:29:34: note: in definition of macro 'BOOST_PP_CAT_I'
   29 | #    define BOOST_PP_CAT_I(a, b) a ## b
      |                                  ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/concept_def.hpp:23:12: note: in expansion of macro 'BOOST_PP_CAT'
   23 |     struct BOOST_PP_CAT(name,Concept)                                           \
      |            ^~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:206:3: note: in expansion of macro 'BOOST_concept'
  206 |   BOOST_concept(Convertible,(X)(Y))
      |   ^~~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp: In instantiation of 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::Comparable<double>]':
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::Comparable<double> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:253:5:   required from 'struct boost::Comparable<double>'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:251:3:   required from 'struct boost::ComparableConcept<double>'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::ComparableConcept<double>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::ComparableConcept<double> >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::ComparableConcept<double> >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::ComparableConcept<double>)>'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:64:9:   required from 'void boost::detail::kruskal_mst_impl(const Graph&, OutputIterator, Rank, Parent, Weight) [with Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<edge_desc_impl<boost::undirected_tag, long unsigned int> > >; Rank = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Parent = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Weight = boost::adj_list_edge_property_map<boost::undirected_tag, double, const double&, long unsigned int, const boost::property<boost::edge_weight_t, double>, boost::edge_weight_t>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:112:29:   required from 'void boost::kruskal_minimum_spanning_tree(const Graph&, OutputIterator) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<detail::edge_desc_impl<undirected_tag, long unsigned int> > >]'
bh.cpp:256:32:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:48: warning: 'this' pointer is null [-Wnonnull]
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |                             ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:37:7: note: in a call to non-static member function 'boost::Comparable<TT>::~Comparable() [with TT = double]'
   37 |       ~model()
      |       ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:253:5: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
  253 |     BOOST_CONCEPT_USAGE(Comparable) {
      |     ^~~~~~~~~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp: In instantiation of 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::Convertible<long unsigned int, long unsigned int>]':
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::Convertible<long unsigned int, long unsigned int> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:208:5:   required from 'struct boost::Convertible<long unsigned int, long unsigned int>'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:206:3:   required from 'struct boost::ConvertibleConcept<long unsigned int, long unsigned int>'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::ConvertibleConcept<long unsigned int, long unsigned int>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::ConvertibleConcept<long unsigned int, long unsigned int> >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::ConvertibleConcept<long unsigned int, long unsigned int> >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::ConvertibleConcept<long unsigned int, long unsigned int>)>'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:65:9:   required from 'void boost::detail::kruskal_mst_impl(const Graph&, OutputIterator, Rank, Parent, Weight) [with Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<edge_desc_impl<boost::undirected_tag, long unsigned int> > >; Rank = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Parent = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Weight = boost::adj_list_edge_property_map<boost::undirected_tag, double, const double&, long unsigned int, const boost::property<boost::edge_weight_t, double>, boost::edge_weight_t>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:112:29:   required from 'void boost::kruskal_minimum_spanning_tree(const Graph&, OutputIterator) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<detail::edge_desc_impl<undirected_tag, long unsigned int> > >]'
bh.cpp:256:32:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:48: warning: 'this' pointer is null [-Wnonnull]
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |                             ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:37:7: note: in a call to non-static member function 'boost::Convertible<X, Y>::~Convertible() [with X = long unsigned int; Y = long unsigned int]'
   37 |       ~model()
      |       ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:208:5: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
  208 |     BOOST_CONCEPT_USAGE(Convertible) {
      |     ^~~~~~~~~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::Convertible<std::random_access_iterator_tag, std::random_access_iterator_tag> >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:208:5:   required from 'struct boost::Convertible<std::random_access_iterator_tag, std::random_access_iterator_tag>'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::Convertible<std::random_access_iterator_tag, std::random_access_iterator_tag>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::Convertible<std::random_access_iterator_tag, std::random_access_iterator_tag> >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::Convertible<std::random_access_iterator_tag, std::random_access_iterator_tag> >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::Convertible<std::random_access_iterator_tag, std::random_access_iterator_tag>)>'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:603:11:   required from 'boost::RandomAccessIterator<TT>::~RandomAccessIterator() [with TT = __gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:597:3:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::RandomAccessIteratorConcept<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/property_map/property_map.hpp:354:5:   required from 'boost::iterator_property_map<RAIter, ID, Value, Value&> boost::make_iterator_property_map(RAIter, ID, Value) [with RAIter = __gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >; Value = long unsigned int; ID = vec_adj_list_vertex_id_map<property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:113:35:   required from 'void boost::kruskal_minimum_spanning_tree(const Graph&, OutputIterator) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<detail::edge_desc_impl<undirected_tag, long unsigned int> > >]'
bh.cpp:256:32:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47: warning: 'this' pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:5: note: in a call to non-static member function 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::Convertible<std::random_access_iterator_tag, std::random_access_iterator_tag>]'
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |     ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::Convertible<std::random_access_iterator_tag, std::random_access_iterator_tag>]':
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:603:11:   required from 'boost::RandomAccessIterator<TT>::~RandomAccessIterator() [with TT = __gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:597:3:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::RandomAccessIteratorConcept<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/property_map/property_map.hpp:354:5:   required from 'boost::iterator_property_map<RAIter, ID, Value, Value&> boost::make_iterator_property_map(RAIter, ID, Value) [with RAIter = __gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >; Value = long unsigned int; ID = vec_adj_list_vertex_id_map<property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:113:35:   required from 'void boost::kruskal_minimum_spanning_tree(const Graph&, OutputIterator) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<detail::edge_desc_impl<undirected_tag, long unsigned int> > >]'
bh.cpp:256:32:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47: warning: 'this' pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:37:7: note: in a call to non-static member function 'boost::Convertible<X, Y>::~Convertible() [with X = std::random_access_iterator_tag; Y = std::random_access_iterator_tag]'
   37 |       ~model()
      |       ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:208:5: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
  208 |     BOOST_CONCEPT_USAGE(Convertible) {
      |     ^~~~~~~~~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::concepts::MultiPassInputIterator<boost::range_detail::integer_iterator<long unsigned int> > >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:52:50:   required from 'struct boost::concepts::MultiPassInputIterator<boost::range_detail::integer_iterator<long unsigned int> >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::concepts::MultiPassInputIterator<boost::range_detail::integer_iterator<long unsigned int> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::concepts::MultiPassInputIterator<boost::range_detail::integer_iterator<long unsigned int> > >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::concepts::MultiPassInputIterator<boost::range_detail::integer_iterator<long unsigned int> > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::concepts::MultiPassInputIterator<boost::range_detail::integer_iterator<long unsigned int> >)>'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:184:9:   required from 'boost::concepts::VertexListGraph<G>::~VertexListGraph() [with G = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:176:1:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::VertexListGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:55:9:   required from 'void boost::detail::kruskal_mst_impl(const Graph&, OutputIterator, Rank, Parent, Weight) [with Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<edge_desc_impl<boost::undirected_tag, long unsigned int> > >; Rank = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Parent = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Weight = boost::adj_list_edge_property_map<boost::undirected_tag, double, const double&, long unsigned int, const boost::property<boost::edge_weight_t, double>, boost::edge_weight_t>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:112:29:   required from 'void boost::kruskal_minimum_spanning_tree(const Graph&, OutputIterator) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<detail::edge_desc_impl<undirected_tag, long unsigned int> > >]'
bh.cpp:256:32:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47: warning: 'this' pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:5: note: in a call to non-static member function 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::concepts::MultiPassInputIterator<boost::range_detail::integer_iterator<long unsigned int> >]'
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |     ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::MultiPassInputIterator<boost::range_detail::integer_iterator<long unsigned int> >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:184:9:   required from 'boost::concepts::VertexListGraph<G>::~VertexListGraph() [with G = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:176:1:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::VertexListGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:55:9:   required from 'void boost::detail::kruskal_mst_impl(const Graph&, OutputIterator, Rank, Parent, Weight) [with Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<edge_desc_impl<boost::undirected_tag, long unsigned int> > >; Rank = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Parent = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Weight = boost::adj_list_edge_property_map<boost::undirected_tag, double, const double&, long unsigned int, const boost::property<boost::edge_weight_t, double>, boost::edge_weight_t>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:112:29:   required from 'void boost::kruskal_minimum_spanning_tree(const Graph&, OutputIterator) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<detail::edge_desc_impl<undirected_tag, long unsigned int> > >]'
bh.cpp:256:32:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47: warning: 'this' pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:37:7: note: in a call to non-static member function 'boost::concepts::MultiPassInputIterator<T>::~MultiPassInputIterator() [with T = boost::range_detail::integer_iterator<long unsigned int>]'
   37 |       ~model()
      |       ^
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:52:50: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
   52 |     BOOST_concept(MultiPassInputIterator, (T)) { BOOST_CONCEPT_USAGE(
      |                                                  ^~~~~~~~~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::Convertible<boost::undir_adj_list_traversal_tag, boost::vertex_list_graph_tag> >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:208:5:   required from 'struct boost::Convertible<boost::undir_adj_list_traversal_tag, boost::vertex_list_graph_tag>'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::Convertible<boost::undir_adj_list_traversal_tag, boost::vertex_list_graph_tag>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::Convertible<boost::undir_adj_list_traversal_tag, boost::vertex_list_graph_tag> >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::Convertible<boost::undir_adj_list_traversal_tag, boost::vertex_list_graph_tag> >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::Convertible<boost::undir_adj_list_traversal_tag, boost::vertex_list_graph_tag>)>'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:185:9:   required from 'boost::concepts::VertexListGraph<G>::~VertexListGraph() [with G = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:176:1:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::VertexListGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:55:9:   required from 'void boost::detail::kruskal_mst_impl(const Graph&, OutputIterator, Rank, Parent, Weight) [with Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<edge_desc_impl<boost::undirected_tag, long unsigned int> > >; Rank = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Parent = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Weight = boost::adj_list_edge_property_map<boost::undirected_tag, double, const double&, long unsigned int, const boost::property<boost::edge_weight_t, double>, boost::edge_weight_t>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:112:29:   required from 'void boost::kruskal_minimum_spanning_tree(const Graph&, OutputIterator) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<detail::edge_desc_impl<undirected_tag, long unsigned int> > >]'
bh.cpp:256:32:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47: warning: 'this' pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:5: note: in a call to non-static member function 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::Convertible<boost::undir_adj_list_traversal_tag, boost::vertex_list_graph_tag>]'
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |     ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::Convertible<boost::undir_adj_list_traversal_tag, boost::vertex_list_graph_tag>]':
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:185:9:   required from 'boost::concepts::VertexListGraph<G>::~VertexListGraph() [with G = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:176:1:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::VertexListGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:55:9:   required from 'void boost::detail::kruskal_mst_impl(const Graph&, OutputIterator, Rank, Parent, Weight) [with Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<edge_desc_impl<boost::undirected_tag, long unsigned int> > >; Rank = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Parent = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Weight = boost::adj_list_edge_property_map<boost::undirected_tag, double, const double&, long unsigned int, const boost::property<boost::edge_weight_t, double>, boost::edge_weight_t>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:112:29:   required from 'void boost::kruskal_minimum_spanning_tree(const Graph&, OutputIterator) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<detail::edge_desc_impl<undirected_tag, long unsigned int> > >]'
bh.cpp:256:32:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47: warning: 'this' pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:37:7: note: in a call to non-static member function 'boost::Convertible<X, Y>::~Convertible() [with X = boost::undir_adj_list_traversal_tag; Y = boost::vertex_list_graph_tag]'
   37 |       ~model()
      |       ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:208:5: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
  208 |     BOOST_CONCEPT_USAGE(Convertible) {
      |     ^~~~~~~~~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::concepts::MultiPassInputIterator<boost::detail::undirected_edge_iter<std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> > >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:52:50:   required from 'struct boost::concepts::MultiPassInputIterator<boost::detail::undirected_edge_iter<std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::concepts::MultiPassInputIterator<boost::detail::undirected_edge_iter<std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::concepts::MultiPassInputIterator<boost::detail::undirected_edge_iter<std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> > >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::concepts::MultiPassInputIterator<boost::detail::undirected_edge_iter<std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::concepts::MultiPassInputIterator<boost::detail::undirected_edge_iter<std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> >)>'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:235:9:   required from 'boost::concepts::EdgeListGraph<G>::~EdgeListGraph() [with G = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:226:1:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::EdgeListGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:56:9:   required from 'void boost::detail::kruskal_mst_impl(const Graph&, OutputIterator, Rank, Parent, Weight) [with Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<edge_desc_impl<boost::undirected_tag, long unsigned int> > >; Rank = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Parent = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Weight = boost::adj_list_edge_property_map<boost::undirected_tag, double, const double&, long unsigned int, const boost::property<boost::edge_weight_t, double>, boost::edge_weight_t>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:112:29:   required from 'void boost::kruskal_minimum_spanning_tree(const Graph&, OutputIterator) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<detail::edge_desc_impl<undirected_tag, long unsigned int> > >]'
bh.cpp:256:32:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47: warning: 'this' pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:5: note: in a call to non-static member function 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::concepts::MultiPassInputIterator<boost::detail::undirected_edge_iter<std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> >]'
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |     ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::MultiPassInputIterator<boost::detail::undirected_edge_iter<std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:235:9:   required from 'boost::concepts::EdgeListGraph<G>::~EdgeListGraph() [with G = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:226:1:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::EdgeListGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:56:9:   required from 'void boost::detail::kruskal_mst_impl(const Graph&, OutputIterator, Rank, Parent, Weight) [with Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<edge_desc_impl<boost::undirected_tag, long unsigned int> > >; Rank = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Parent = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Weight = boost::adj_list_edge_property_map<boost::undirected_tag, double, const double&, long unsigned int, const boost::property<boost::edge_weight_t, double>, boost::edge_weight_t>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:112:29:   required from 'void boost::kruskal_minimum_spanning_tree(const Graph&, OutputIterator) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<detail::edge_desc_impl<undirected_tag, long unsigned int> > >]'
bh.cpp:256:32:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47: warning: 'this' pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:37:7: note: in a call to non-static member function 'boost::concepts::MultiPassInputIterator<T>::~MultiPassInputIterator() [with T = boost::detail::undirected_edge_iter<std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int>]'
   37 |       ~model()
      |       ^
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:52:50: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
   52 |     BOOST_concept(MultiPassInputIterator, (T)) { BOOST_CONCEPT_USAGE(
      |                                                  ^~~~~~~~~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::DefaultConstructible<boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> > >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:137:5:   required from 'struct boost::DefaultConstructible<boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::DefaultConstructible<boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::DefaultConstructible<boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> > >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::DefaultConstructible<boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::DefaultConstructible<boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> >)>'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:90:9:   required from 'boost::concepts::EdgeListGraph<G>::~EdgeListGraph() [with G = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:226:1:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::EdgeListGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:56:9:   required from 'void boost::detail::kruskal_mst_impl(const Graph&, OutputIterator, Rank, Parent, Weight) [with Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<edge_desc_impl<boost::undirected_tag, long unsigned int> > >; Rank = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Parent = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Weight = boost::adj_list_edge_property_map<boost::undirected_tag, double, const double&, long unsigned int, const boost::property<boost::edge_weight_t, double>, boost::edge_weight_t>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:112:29:   required from 'void boost::kruskal_minimum_spanning_tree(const Graph&, OutputIterator) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<detail::edge_desc_impl<undirected_tag, long unsigned int> > >]'
bh.cpp:256:32:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47: warning: 'this' pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:5: note: in a call to non-static member function 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::DefaultConstructible<boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> >]'
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |     ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::DefaultConstructible<boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:90:9:   required from 'boost::concepts::EdgeListGraph<G>::~EdgeListGraph() [with G = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:226:1:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::EdgeListGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:56:9:   required from 'void boost::detail::kruskal_mst_impl(const Graph&, OutputIterator, Rank, Parent, Weight) [with Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<edge_desc_impl<boost::undirected_tag, long unsigned int> > >; Rank = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Parent = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Weight = boost::adj_list_edge_property_map<boost::undirected_tag, double, const double&, long unsigned int, const boost::property<boost::edge_weight_t, double>, boost::edge_weight_t>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:112:29:   required from 'void boost::kruskal_minimum_spanning_tree(const Graph&, OutputIterator) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<detail::edge_desc_impl<undirected_tag, long unsigned int> > >]'
bh.cpp:256:32:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47: warning: 'this' pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:37:7: note: in a call to non-static member function 'boost::DefaultConstructible<TT>::~DefaultConstructible() [with TT = boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>]'
   37 |       ~model()
      |       ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:137:5: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
  137 |     BOOST_CONCEPT_USAGE(DefaultConstructible) {
      |     ^~~~~~~~~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::EqualityComparable<boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> > >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:233:5:   required from 'struct boost::EqualityComparable<boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::EqualityComparable<boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::EqualityComparable<boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> > >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::EqualityComparable<boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::EqualityComparable<boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> >)>'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:91:9:   required from 'boost::concepts::EdgeListGraph<G>::~EdgeListGraph() [with G = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:226:1:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::EdgeListGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:56:9:   required from 'void boost::detail::kruskal_mst_impl(const Graph&, OutputIterator, Rank, Parent, Weight) [with Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<edge_desc_impl<boost::undirected_tag, long unsigned int> > >; Rank = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Parent = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Weight = boost::adj_list_edge_property_map<boost::undirected_tag, double, const double&, long unsigned int, const boost::property<boost::edge_weight_t, double>, boost::edge_weight_t>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:112:29:   required from 'void boost::kruskal_minimum_spanning_tree(const Graph&, OutputIterator) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<detail::edge_desc_impl<undirected_tag, long unsigned int> > >]'
bh.cpp:256:32:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47: warning: 'this' pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:5: note: in a call to non-static member function 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::EqualityComparable<boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> >]'
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |     ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::EqualityComparable<boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:91:9:   required from 'boost::concepts::EdgeListGraph<G>::~EdgeListGraph() [with G = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:226:1:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::EdgeListGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:56:9:   required from 'void boost::detail::kruskal_mst_impl(const Graph&, OutputIterator, Rank, Parent, Weight) [with Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<edge_desc_impl<boost::undirected_tag, long unsigned int> > >; Rank = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Parent = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Weight = boost::adj_list_edge_property_map<boost::undirected_tag, double, const double&, long unsigned int, const boost::property<boost::edge_weight_t, double>, boost::edge_weight_t>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:112:29:   required from 'void boost::kruskal_minimum_spanning_tree(const Graph&, OutputIterator) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<detail::edge_desc_impl<undirected_tag, long unsigned int> > >]'
bh.cpp:256:32:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47: warning: 'this' pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:37:7: note: in a call to non-static member function 'boost::EqualityComparable<TT>::~EqualityComparable() [with TT = boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>]'
   37 |       ~model()
      |       ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:233:5: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
  233 |     BOOST_CONCEPT_USAGE(EqualityComparable) {
      |     ^~~~~~~~~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::Assignable<boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> > >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:145:5:   required from 'struct boost::Assignable<boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::Assignable<boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::Assignable<boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> > >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::Assignable<boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::Assignable<boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> >)>'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:92:9:   required from 'boost::concepts::EdgeListGraph<G>::~EdgeListGraph() [with G = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:226:1:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::EdgeListGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:56:9:   required from 'void boost::detail::kruskal_mst_impl(const Graph&, OutputIterator, Rank, Parent, Weight) [with Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<edge_desc_impl<boost::undirected_tag, long unsigned int> > >; Rank = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Parent = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Weight = boost::adj_list_edge_property_map<boost::undirected_tag, double, const double&, long unsigned int, const boost::property<boost::edge_weight_t, double>, boost::edge_weight_t>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:112:29:   required from 'void boost::kruskal_minimum_spanning_tree(const Graph&, OutputIterator) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<detail::edge_desc_impl<undirected_tag, long unsigned int> > >]'
bh.cpp:256:32:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47: warning: 'this' pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:5: note: in a call to non-static member function 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::Assignable<boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> >]'
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |     ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::Assignable<boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:92:9:   required from 'boost::concepts::EdgeListGraph<G>::~EdgeListGraph() [with G = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:226:1:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::EdgeListGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:56:9:   required from 'void boost::detail::kruskal_mst_impl(const Graph&, OutputIterator, Rank, Parent, Weight) [with Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<edge_desc_impl<boost::undirected_tag, long unsigned int> > >; Rank = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Parent = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Weight = boost::adj_list_edge_property_map<boost::undirected_tag, double, const double&, long unsigned int, const boost::property<boost::edge_weight_t, double>, boost::edge_weight_t>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:112:29:   required from 'void boost::kruskal_minimum_spanning_tree(const Graph&, OutputIterator) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<detail::edge_desc_impl<undirected_tag, long unsigned int> > >]'
bh.cpp:256:32:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47: warning: 'this' pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:37:7: note: in a call to non-static member function 'boost::Assignable<TT>::~Assignable() [with TT = boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>]'
   37 |       ~model()
      |       ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:145:5: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
  145 |     BOOST_CONCEPT_USAGE(Assignable) {
      |     ^~~~~~~~~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::Convertible<boost::undir_adj_list_traversal_tag, boost::edge_list_graph_tag> >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:208:5:   required from 'struct boost::Convertible<boost::undir_adj_list_traversal_tag, boost::edge_list_graph_tag>'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::Convertible<boost::undir_adj_list_traversal_tag, boost::edge_list_graph_tag>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::Convertible<boost::undir_adj_list_traversal_tag, boost::edge_list_graph_tag> >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::Convertible<boost::undir_adj_list_traversal_tag, boost::edge_list_graph_tag> >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::Convertible<boost::undir_adj_list_traversal_tag, boost::edge_list_graph_tag>)>'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:239:9:   required from 'boost::concepts::EdgeListGraph<G>::~EdgeListGraph() [with G = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:226:1:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::EdgeListGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:56:9:   required from 'void boost::detail::kruskal_mst_impl(const Graph&, OutputIterator, Rank, Parent, Weight) [with Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<edge_desc_impl<boost::undirected_tag, long unsigned int> > >; Rank = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Parent = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Weight = boost::adj_list_edge_property_map<boost::undirected_tag, double, const double&, long unsigned int, const boost::property<boost::edge_weight_t, double>, boost::edge_weight_t>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:112:29:   required from 'void boost::kruskal_minimum_spanning_tree(const Graph&, OutputIterator) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<detail::edge_desc_impl<undirected_tag, long unsigned int> > >]'
bh.cpp:256:32:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47: warning: 'this' pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:5: note: in a call to non-static member function 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::Convertible<boost::undir_adj_list_traversal_tag, boost::edge_list_graph_tag>]'
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |     ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::Convertible<boost::undir_adj_list_traversal_tag, boost::edge_list_graph_tag>]':
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:239:9:   required from 'boost::concepts::EdgeListGraph<G>::~EdgeListGraph() [with G = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:226:1:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::EdgeListGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:56:9:   required from 'void boost::detail::kruskal_mst_impl(const Graph&, OutputIterator, Rank, Parent, Weight) [with Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<edge_desc_impl<boost::undirected_tag, long unsigned int> > >; Rank = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Parent = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Weight = boost::adj_list_edge_property_map<boost::undirected_tag, double, const double&, long unsigned int, const boost::property<boost::edge_weight_t, double>, boost::edge_weight_t>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:112:29:   required from 'void boost::kruskal_minimum_spanning_tree(const Graph&, OutputIterator) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<detail::edge_desc_impl<undirected_tag, long unsigned int> > >]'
bh.cpp:256:32:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47: warning: 'this' pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:37:7: note: in a call to non-static member function 'boost::Convertible<X, Y>::~Convertible() [with X = boost::undir_adj_list_traversal_tag; Y = boost::edge_list_graph_tag]'
   37 |       ~model()
      |       ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:208:5: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
  208 |     BOOST_CONCEPT_USAGE(Convertible) {
      |     ^~~~~~~~~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp: In instantiation of 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::Convertible<boost::lvalue_property_map_tag, boost::read_write_property_map_tag>]':
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::Convertible<boost::lvalue_property_map_tag, boost::read_write_property_map_tag> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:208:5:   required from 'struct boost::Convertible<boost::lvalue_property_map_tag, boost::read_write_property_map_tag>'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:206:3:   required from 'struct boost::ConvertibleConcept<boost::lvalue_property_map_tag, boost::read_write_property_map_tag>'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::ConvertibleConcept<boost::lvalue_property_map_tag, boost::read_write_property_map_tag>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::ConvertibleConcept<boost::lvalue_property_map_tag, boost::read_write_property_map_tag> >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   [ skipping 4 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::ReadWritePropertyMapConcept<boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>, long unsigned int> >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::ReadWritePropertyMapConcept<boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>, long unsigned int> >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::ReadWritePropertyMapConcept<boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>, long unsigned int>)>'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:134:9:   required from 'void boost::detail::kruskal_mst_impl(const Graph&, OutputIterator, Rank, Parent, Weight) [with Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<edge_desc_impl<boost::undirected_tag, long unsigned int> > >; Rank = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Parent = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Weight = boost::adj_list_edge_property_map<boost::undirected_tag, double, const double&, long unsigned int, const boost::property<boost::edge_weight_t, double>, boost::edge_weight_t>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:112:29:   required from 'void boost::kruskal_minimum_spanning_tree(const Graph&, OutputIterator) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<detail::edge_desc_impl<undirected_tag, long unsigned int> > >]'
bh.cpp:256:32:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:48: warning: 'this' pointer is null [-Wnonnull]
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |                             ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:37:7: note: in a call to non-static member function 'boost::Convertible<X, Y>::~Convertible() [with X = boost::lvalue_property_map_tag; Y = boost::read_write_property_map_tag]'
   37 |       ~model()
      |       ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:208:5: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
  208 |     BOOST_CONCEPT_USAGE(Convertible) {
      |     ^~~~~~~~~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp: In instantiation of 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::Convertible<boost::lvalue_property_map_tag, boost::readable_property_map_tag>]':
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::Convertible<boost::lvalue_property_map_tag, boost::readable_property_map_tag> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:208:5:   required from 'struct boost::Convertible<boost::lvalue_property_map_tag, boost::readable_property_map_tag>'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:206:3:   required from 'struct boost::ConvertibleConcept<boost::lvalue_property_map_tag, boost::readable_property_map_tag>'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::ConvertibleConcept<boost::lvalue_property_map_tag, boost::readable_property_map_tag>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::ConvertibleConcept<boost::lvalue_property_map_tag, boost::readable_property_map_tag> >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   [ skipping 4 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::ReadablePropertyMapConcept<boost::adj_list_edge_property_map<boost::undirected_tag, double, const double&, long unsigned int, const boost::property<boost::edge_weight_t, double>, boost::edge_weight_t>, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> > >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::ReadablePropertyMapConcept<boost::adj_list_edge_property_map<boost::undirected_tag, double, const double&, long unsigned int, const boost::property<boost::edge_weight_t, double>, boost::edge_weight_t>, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::ReadablePropertyMapConcept<boost::adj_list_edge_property_map<boost::undirected_tag, double, const double&, long unsigned int, const boost::property<boost::edge_weight_t, double>, boost::edge_weight_t>, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> >)>'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:60:9:   required from 'void boost::detail::kruskal_mst_impl(const Graph&, OutputIterator, Rank, Parent, Weight) [with Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<edge_desc_impl<boost::undirected_tag, long unsigned int> > >; Rank = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Parent = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Weight = boost::adj_list_edge_property_map<boost::undirected_tag, double, const double&, long unsigned int, const boost::property<boost::edge_weight_t, double>, boost::edge_weight_t>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:112:29:   required from 'void boost::kruskal_minimum_spanning_tree(const Graph&, OutputIterator) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<detail::edge_desc_impl<undirected_tag, long unsigned int> > >]'
bh.cpp:256:32:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:48: warning: 'this' pointer is null [-Wnonnull]
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |                             ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:37:7: note: in a call to non-static member function 'boost::Convertible<X, Y>::~Convertible() [with X = boost::lvalue_property_map_tag; Y = boost::readable_property_map_tag]'
   37 |       ~model()
      |       ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:208:5: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
  208 |     BOOST_CONCEPT_USAGE(Convertible) {
      |     ^~~~~~~~~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::constraint<Model>::failed() [with Model = boost::DFSVisitorConcept<boost::detail::components_recorder<int*>, boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:130:9:   required from 'void boost::depth_first_search(const VertexListGraph&, DFSVisitor, ColorMap, typename graph_traits<Graph>::vertex_descriptor) [with VertexListGraph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; DFSVisitor = detail::components_recorder<int*>; ColorMap = shared_array_property_map<default_color_type, vec_adj_list_vertex_id_map<property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int> >; typename graph_traits<Graph>::vertex_descriptor = long unsigned int]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:397:42:   required from 'void boost::graph::detail::depth_first_search_impl<Graph>::operator()(const Graph&, const ArgPack&) const [with ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<boost::graph::keywords::tag::visitor, const boost::detail::components_recorder<int*> >, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >; Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:406:5:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type boost::graph::depth_first_search_with_named_params(const Param0&, const ArgPack&) [with Param0 = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<keywords::tag::visitor, const boost::detail::components_recorder<int*> >, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >; typename boost::result_of<detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type = void]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:409:1:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const typename boost::detail::convert_bgl_params_to_boost_parameter<boost::bgl_named_params<T, Tag, Base> >::type&)>::type boost::depth_first_search(const Param0&, const bgl_named_params<T, Tag, Base>&) [with Param0 = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; P = detail::components_recorder<int*>; T = graph_visitor_t; R = no_property; typename result_of<graph::detail::depth_first_search_impl<Param0>(Param0, const typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type&)>::type = void; typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type = parameter::aux::arg_list<parameter::aux::tagged_argument<graph::keywords::tag::visitor, const detail::components_recorder<int*> >, parameter::aux::empty_arg_list, std::integral_constant<bool, true> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/connected_components.hpp:106:23:   required from 'typename boost::property_traits<IndexMap>::value_type boost::connected_components(const Graph&, ComponentMap, typename enable_if_c<is_base_and_derived<vertex_list_graph_tag, typename graph_traits<Graph>::traversal_category>::value, graph::detail::no_parameter>::type) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; ComponentMap = int*; typename property_traits<IndexMap>::value_type = int; typename enable_if_c<is_base_and_derived<vertex_list_graph_tag, typename graph_traits<Graph>::traversal_category>::value, graph::detail::no_parameter>::type = graph::detail::no_parameter; typename graph_traits<Graph>::traversal_category = undir_adj_list_traversal_tag]'
bh.cpp:146:23:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:65:52: warning: 'this' pointer is null [-Wnonnull]
   65 |     static void failed() { ((Model*)0)->constraints(); }
      |                            ~~~~~~~~~~~~~~~~~~~~~~~~^~
In file included from /data/gannet/ripley/R/test-dev/BH/include/boost/graph/connected_components.hpp:15,
                 from bh.cpp:5:
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:39:10: note: in a call to non-static member function 'void boost::DFSVisitorConcept<Visitor, Graph>::constraints() [with Visitor = boost::detail::components_recorder<int*>; Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >]'
   39 |     void constraints()
      |          ^~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::SignedInteger<long int>]':
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:514:9:   required from 'boost::InputIterator<TT>::~InputIterator() [with TT = __gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:48:   required from 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::InputIterator<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::InputIterator<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:512:7:   required from 'struct boost::InputIterator<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:540:3:   required from 'struct boost::ForwardIterator<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:568:3:   [ skipping 4 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::RandomAccessIteratorConcept<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > > >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::RandomAccessIteratorConcept<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::RandomAccessIteratorConcept<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > >)>'
/data/gannet/ripley/R/test-dev/BH/include/boost/property_map/property_map.hpp:354:5:   required from 'boost::iterator_property_map<RAIter, ID, Value, Value&> boost::make_iterator_property_map(RAIter, ID, Value) [with RAIter = __gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >; Value = long unsigned int; ID = vec_adj_list_vertex_id_map<property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:113:35:   required from 'void boost::kruskal_minimum_spanning_tree(const Graph&, OutputIterator) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<detail::edge_desc_impl<undirected_tag, long unsigned int> > >]'
bh.cpp:256:32:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47: warning: 'this' pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:107:22: note: in a call to non-static member function 'boost::SignedInteger<long int>::~SignedInteger()'
  107 |   template <> struct SignedInteger<long> {};
      |                      ^~~~~~~~~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::Convertible<std::random_access_iterator_tag, std::input_iterator_tag> >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:208:5:   required from 'struct boost::Convertible<std::random_access_iterator_tag, std::input_iterator_tag>'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::Convertible<std::random_access_iterator_tag, std::input_iterator_tag>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::Convertible<std::random_access_iterator_tag, std::input_iterator_tag> >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::Convertible<std::random_access_iterator_tag, std::input_iterator_tag> >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::Convertible<std::random_access_iterator_tag, std::input_iterator_tag>)>'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:515:9:   [ skipping 9 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::RandomAccessIteratorConcept<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > > >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::RandomAccessIteratorConcept<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::RandomAccessIteratorConcept<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > >)>'
/data/gannet/ripley/R/test-dev/BH/include/boost/property_map/property_map.hpp:354:5:   required from 'boost::iterator_property_map<RAIter, ID, Value, Value&> boost::make_iterator_property_map(RAIter, ID, Value) [with RAIter = __gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >; Value = long unsigned int; ID = vec_adj_list_vertex_id_map<property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:113:35:   required from 'void boost::kruskal_minimum_spanning_tree(const Graph&, OutputIterator) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<detail::edge_desc_impl<undirected_tag, long unsigned int> > >]'
bh.cpp:256:32:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47: warning: 'this' pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:5: note: in a call to non-static member function 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::Convertible<std::random_access_iterator_tag, std::input_iterator_tag>]'
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |     ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::Convertible<std::random_access_iterator_tag, std::input_iterator_tag>]':
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:515:9:   required from 'boost::InputIterator<TT>::~InputIterator() [with TT = __gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:48:   required from 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::InputIterator<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::InputIterator<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:512:7:   required from 'struct boost::InputIterator<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:540:3:   required from 'struct boost::ForwardIterator<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:568:3:   [ skipping 4 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::RandomAccessIteratorConcept<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > > >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::RandomAccessIteratorConcept<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::RandomAccessIteratorConcept<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > >)>'
/data/gannet/ripley/R/test-dev/BH/include/boost/property_map/property_map.hpp:354:5:   required from 'boost::iterator_property_map<RAIter, ID, Value, Value&> boost::make_iterator_property_map(RAIter, ID, Value) [with RAIter = __gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >; Value = long unsigned int; ID = vec_adj_list_vertex_id_map<property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:113:35:   required from 'void boost::kruskal_minimum_spanning_tree(const Graph&, OutputIterator) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<detail::edge_desc_impl<undirected_tag, long unsigned int> > >]'
bh.cpp:256:32:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47: warning: 'this' pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:37:7: note: in a call to non-static member function 'boost::Convertible<X, Y>::~Convertible() [with X = std::random_access_iterator_tag; Y = std::input_iterator_tag]'
   37 |       ~model()
      |       ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:208:5: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
  208 |     BOOST_CONCEPT_USAGE(Convertible) {
      |     ^~~~~~~~~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::Convertible<std::random_access_iterator_tag, std::forward_iterator_tag> >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:208:5:   required from 'struct boost::Convertible<std::random_access_iterator_tag, std::forward_iterator_tag>'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::Convertible<std::random_access_iterator_tag, std::forward_iterator_tag>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::Convertible<std::random_access_iterator_tag, std::forward_iterator_tag> >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::Convertible<std::random_access_iterator_tag, std::forward_iterator_tag> >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::Convertible<std::random_access_iterator_tag, std::forward_iterator_tag>)>'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:545:11:   [ skipping 8 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::RandomAccessIteratorConcept<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > > >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::RandomAccessIteratorConcept<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::RandomAccessIteratorConcept<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > >)>'
/data/gannet/ripley/R/test-dev/BH/include/boost/property_map/property_map.hpp:354:5:   required from 'boost::iterator_property_map<RAIter, ID, Value, Value&> boost::make_iterator_property_map(RAIter, ID, Value) [with RAIter = __gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >; Value = long unsigned int; ID = vec_adj_list_vertex_id_map<property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:113:35:   required from 'void boost::kruskal_minimum_spanning_tree(const Graph&, OutputIterator) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<detail::edge_desc_impl<undirected_tag, long unsigned int> > >]'
bh.cpp:256:32:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47: warning: 'this' pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:5: note: in a call to non-static member function 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::Convertible<std::random_access_iterator_tag, std::forward_iterator_tag>]'
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |     ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::Convertible<std::random_access_iterator_tag, std::forward_iterator_tag>]':
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:545:11:   required from 'boost::ForwardIterator<TT>::~ForwardIterator() [with TT = __gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:48:   required from 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::ForwardIterator<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::ForwardIterator<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:543:7:   required from 'struct boost::ForwardIterator<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:568:3:   required from 'struct boost::BidirectionalIterator<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:597:3:   [ skipping 3 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::RandomAccessIteratorConcept<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > > >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::RandomAccessIteratorConcept<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::RandomAccessIteratorConcept<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > >)>'
/data/gannet/ripley/R/test-dev/BH/include/boost/property_map/property_map.hpp:354:5:   required from 'boost::iterator_property_map<RAIter, ID, Value, Value&> boost::make_iterator_property_map(RAIter, ID, Value) [with RAIter = __gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >; Value = long unsigned int; ID = vec_adj_list_vertex_id_map<property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:113:35:   required from 'void boost::kruskal_minimum_spanning_tree(const Graph&, OutputIterator) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<detail::edge_desc_impl<undirected_tag, long unsigned int> > >]'
bh.cpp:256:32:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47: warning: 'this' pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:37:7: note: in a call to non-static member function 'boost::Convertible<X, Y>::~Convertible() [with X = std::random_access_iterator_tag; Y = std::forward_iterator_tag]'
   37 |       ~model()
      |       ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:208:5: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
  208 |     BOOST_CONCEPT_USAGE(Convertible) {
      |     ^~~~~~~~~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::Convertible<std::random_access_iterator_tag, std::bidirectional_iterator_tag> >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:208:5:   required from 'struct boost::Convertible<std::random_access_iterator_tag, std::bidirectional_iterator_tag>'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::Convertible<std::random_access_iterator_tag, std::bidirectional_iterator_tag>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::Convertible<std::random_access_iterator_tag, std::bidirectional_iterator_tag> >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::Convertible<std::random_access_iterator_tag, std::bidirectional_iterator_tag> >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::Convertible<std::random_access_iterator_tag, std::bidirectional_iterator_tag>)>'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:573:11:   [ skipping 7 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::RandomAccessIteratorConcept<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > > >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::RandomAccessIteratorConcept<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::RandomAccessIteratorConcept<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > >)>'
/data/gannet/ripley/R/test-dev/BH/include/boost/property_map/property_map.hpp:354:5:   required from 'boost::iterator_property_map<RAIter, ID, Value, Value&> boost::make_iterator_property_map(RAIter, ID, Value) [with RAIter = __gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >; Value = long unsigned int; ID = vec_adj_list_vertex_id_map<property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:113:35:   required from 'void boost::kruskal_minimum_spanning_tree(const Graph&, OutputIterator) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<detail::edge_desc_impl<undirected_tag, long unsigned int> > >]'
bh.cpp:256:32:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47: warning: 'this' pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:5: note: in a call to non-static member function 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::Convertible<std::random_access_iterator_tag, std::bidirectional_iterator_tag>]'
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |     ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::Convertible<std::random_access_iterator_tag, std::bidirectional_iterator_tag>]':
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:573:11:   required from 'boost::BidirectionalIterator<TT>::~BidirectionalIterator() [with TT = __gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:48:   required from 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::BidirectionalIterator<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::BidirectionalIterator<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:571:7:   required from 'struct boost::BidirectionalIterator<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:597:3:   required from 'struct boost::RandomAccessIterator<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:597:3:   [ skipping 2 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::RandomAccessIteratorConcept<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > > >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::RandomAccessIteratorConcept<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::RandomAccessIteratorConcept<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > >)>'
/data/gannet/ripley/R/test-dev/BH/include/boost/property_map/property_map.hpp:354:5:   required from 'boost::iterator_property_map<RAIter, ID, Value, Value&> boost::make_iterator_property_map(RAIter, ID, Value) [with RAIter = __gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >; Value = long unsigned int; ID = vec_adj_list_vertex_id_map<property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:113:35:   required from 'void boost::kruskal_minimum_spanning_tree(const Graph&, OutputIterator) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<detail::edge_desc_impl<undirected_tag, long unsigned int> > >]'
bh.cpp:256:32:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47: warning: 'this' pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:37:7: note: in a call to non-static member function 'boost::Convertible<X, Y>::~Convertible() [with X = std::random_access_iterator_tag; Y = std::bidirectional_iterator_tag]'
   37 |       ~model()
      |       ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:208:5: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
  208 |     BOOST_CONCEPT_USAGE(Convertible) {
      |     ^~~~~~~~~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp: In instantiation of 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::Convertible<std::random_access_iterator_tag, std::random_access_iterator_tag>]':
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::Convertible<std::random_access_iterator_tag, std::random_access_iterator_tag> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:208:5:   required from 'struct boost::Convertible<std::random_access_iterator_tag, std::random_access_iterator_tag>'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::Convertible<std::random_access_iterator_tag, std::random_access_iterator_tag>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::Convertible<std::random_access_iterator_tag, std::random_access_iterator_tag> >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::Convertible<std::random_access_iterator_tag, std::random_access_iterator_tag> >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::Convertible<std::random_access_iterator_tag, std::random_access_iterator_tag>)>'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:603:11:   required from 'boost::RandomAccessIterator<TT>::~RandomAccessIterator() [with TT = __gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:597:3:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::RandomAccessIteratorConcept<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/property_map/property_map.hpp:354:5:   required from 'boost::iterator_property_map<RAIter, ID, Value, Value&> boost::make_iterator_property_map(RAIter, ID, Value) [with RAIter = __gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >; Value = long unsigned int; ID = vec_adj_list_vertex_id_map<property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:113:35:   required from 'void boost::kruskal_minimum_spanning_tree(const Graph&, OutputIterator) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<detail::edge_desc_impl<undirected_tag, long unsigned int> > >]'
bh.cpp:256:32:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:48: warning: 'this' pointer is null [-Wnonnull]
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |                             ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:37:7: note: in a call to non-static member function 'boost::Convertible<X, Y>::~Convertible() [with X = std::random_access_iterator_tag; Y = std::random_access_iterator_tag]'
   37 |       ~model()
      |       ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:208:5: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
  208 |     BOOST_CONCEPT_USAGE(Convertible) {
      |     ^~~~~~~~~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::DefaultConstructible<long unsigned int> >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:137:5:   required from 'struct boost::DefaultConstructible<long unsigned int>'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::DefaultConstructible<long unsigned int>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::DefaultConstructible<long unsigned int> >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::DefaultConstructible<long unsigned int> >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::DefaultConstructible<long unsigned int>)>'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:68:9:   [ skipping 7 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::concepts::VertexListGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > > >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::concepts::VertexListGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::concepts::VertexListGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > >)>'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:55:9:   required from 'void boost::detail::kruskal_mst_impl(const Graph&, OutputIterator, Rank, Parent, Weight) [with Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<edge_desc_impl<boost::undirected_tag, long unsigned int> > >; Rank = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Parent = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Weight = boost::adj_list_edge_property_map<boost::undirected_tag, double, const double&, long unsigned int, const boost::property<boost::edge_weight_t, double>, boost::edge_weight_t>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:112:29:   required from 'void boost::kruskal_minimum_spanning_tree(const Graph&, OutputIterator) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<detail::edge_desc_impl<undirected_tag, long unsigned int> > >]'
bh.cpp:256:32:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47: warning: 'this' pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:5: note: in a call to non-static member function 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::DefaultConstructible<long unsigned int>]'
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |     ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::DefaultConstructible<long unsigned int>]':
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:68:9:   required from 'boost::concepts::Graph<G>::~Graph() [with G = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:48:   required from 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::concepts::Graph<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::concepts::Graph<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:66:5:   required from 'struct boost::concepts::Graph<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:176:1:   required from 'struct boost::concepts::VertexListGraph<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:176:1:   [ skipping 2 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::concepts::VertexListGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > > >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::concepts::VertexListGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::concepts::VertexListGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > >)>'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:55:9:   required from 'void boost::detail::kruskal_mst_impl(const Graph&, OutputIterator, Rank, Parent, Weight) [with Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<edge_desc_impl<boost::undirected_tag, long unsigned int> > >; Rank = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Parent = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Weight = boost::adj_list_edge_property_map<boost::undirected_tag, double, const double&, long unsigned int, const boost::property<boost::edge_weight_t, double>, boost::edge_weight_t>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:112:29:   required from 'void boost::kruskal_minimum_spanning_tree(const Graph&, OutputIterator) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<detail::edge_desc_impl<undirected_tag, long unsigned int> > >]'
bh.cpp:256:32:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47: warning: 'this' pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:37:7: note: in a call to non-static member function 'boost::DefaultConstructible<TT>::~DefaultConstructible() [with TT = long unsigned int]'
   37 |       ~model()
      |       ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:137:5: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
  137 |     BOOST_CONCEPT_USAGE(DefaultConstructible) {
      |     ^~~~~~~~~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::EqualityComparable<long unsigned int> >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:233:5:   required from 'struct boost::EqualityComparable<long unsigned int>'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::EqualityComparable<long unsigned int>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::EqualityComparable<long unsigned int> >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::EqualityComparable<long unsigned int> >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::EqualityComparable<long unsigned int>)>'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:69:9:   [ skipping 7 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::concepts::VertexListGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > > >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::concepts::VertexListGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::concepts::VertexListGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > >)>'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:55:9:   required from 'void boost::detail::kruskal_mst_impl(const Graph&, OutputIterator, Rank, Parent, Weight) [with Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<edge_desc_impl<boost::undirected_tag, long unsigned int> > >; Rank = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Parent = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Weight = boost::adj_list_edge_property_map<boost::undirected_tag, double, const double&, long unsigned int, const boost::property<boost::edge_weight_t, double>, boost::edge_weight_t>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:112:29:   required from 'void boost::kruskal_minimum_spanning_tree(const Graph&, OutputIterator) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<detail::edge_desc_impl<undirected_tag, long unsigned int> > >]'
bh.cpp:256:32:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47: warning: 'this' pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:5: note: in a call to non-static member function 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::EqualityComparable<long unsigned int>]'
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |     ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::EqualityComparable<long unsigned int>]':
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:69:9:   required from 'boost::concepts::Graph<G>::~Graph() [with G = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:48:   required from 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::concepts::Graph<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::concepts::Graph<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:66:5:   required from 'struct boost::concepts::Graph<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:176:1:   required from 'struct boost::concepts::VertexListGraph<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:176:1:   [ skipping 2 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::concepts::VertexListGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > > >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::concepts::VertexListGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::concepts::VertexListGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > >)>'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:55:9:   required from 'void boost::detail::kruskal_mst_impl(const Graph&, OutputIterator, Rank, Parent, Weight) [with Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<edge_desc_impl<boost::undirected_tag, long unsigned int> > >; Rank = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Parent = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Weight = boost::adj_list_edge_property_map<boost::undirected_tag, double, const double&, long unsigned int, const boost::property<boost::edge_weight_t, double>, boost::edge_weight_t>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:112:29:   required from 'void boost::kruskal_minimum_spanning_tree(const Graph&, OutputIterator) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<detail::edge_desc_impl<undirected_tag, long unsigned int> > >]'
bh.cpp:256:32:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47: warning: 'this' pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:37:7: note: in a call to non-static member function 'boost::EqualityComparable<TT>::~EqualityComparable() [with TT = long unsigned int]'
   37 |       ~model()
      |       ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:233:5: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
  233 |     BOOST_CONCEPT_USAGE(EqualityComparable) {
      |     ^~~~~~~~~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::Assignable<long unsigned int> >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:145:5:   required from 'struct boost::Assignable<long unsigned int>'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::Assignable<long unsigned int>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::Assignable<long unsigned int> >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::Assignable<long unsigned int> >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::Assignable<long unsigned int>)>'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:70:9:   [ skipping 7 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::concepts::VertexListGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > > >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::concepts::VertexListGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::concepts::VertexListGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > >)>'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:55:9:   required from 'void boost::detail::kruskal_mst_impl(const Graph&, OutputIterator, Rank, Parent, Weight) [with Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<edge_desc_impl<boost::undirected_tag, long unsigned int> > >; Rank = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Parent = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Weight = boost::adj_list_edge_property_map<boost::undirected_tag, double, const double&, long unsigned int, const boost::property<boost::edge_weight_t, double>, boost::edge_weight_t>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:112:29:   required from 'void boost::kruskal_minimum_spanning_tree(const Graph&, OutputIterator) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<detail::edge_desc_impl<undirected_tag, long unsigned int> > >]'
bh.cpp:256:32:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47: warning: 'this' pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:5: note: in a call to non-static member function 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::Assignable<long unsigned int>]'
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |     ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::Assignable<long unsigned int>]':
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:70:9:   required from 'boost::concepts::Graph<G>::~Graph() [with G = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:48:   required from 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::concepts::Graph<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::concepts::Graph<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:66:5:   required from 'struct boost::concepts::Graph<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:176:1:   required from 'struct boost::concepts::VertexListGraph<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:176:1:   [ skipping 2 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::concepts::VertexListGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > > >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::concepts::VertexListGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::concepts::VertexListGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > >)>'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:55:9:   required from 'void boost::detail::kruskal_mst_impl(const Graph&, OutputIterator, Rank, Parent, Weight) [with Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<edge_desc_impl<boost::undirected_tag, long unsigned int> > >; Rank = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Parent = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Weight = boost::adj_list_edge_property_map<boost::undirected_tag, double, const double&, long unsigned int, const boost::property<boost::edge_weight_t, double>, boost::edge_weight_t>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:112:29:   required from 'void boost::kruskal_minimum_spanning_tree(const Graph&, OutputIterator) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<detail::edge_desc_impl<undirected_tag, long unsigned int> > >]'
bh.cpp:256:32:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47: warning: 'this' pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:37:7: note: in a call to non-static member function 'boost::Assignable<TT>::~Assignable() [with TT = long unsigned int]'
   37 |       ~model()
      |       ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:145:5: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
  145 |     BOOST_CONCEPT_USAGE(Assignable) {
      |     ^~~~~~~~~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp: In instantiation of 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::concepts::MultiPassInputIterator<boost::range_detail::integer_iterator<long unsigned int> >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::concepts::MultiPassInputIterator<boost::range_detail::integer_iterator<long unsigned int> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:52:50:   required from 'struct boost::concepts::MultiPassInputIterator<boost::range_detail::integer_iterator<long unsigned int> >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::concepts::MultiPassInputIterator<boost::range_detail::integer_iterator<long unsigned int> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::concepts::MultiPassInputIterator<boost::range_detail::integer_iterator<long unsigned int> > >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::concepts::MultiPassInputIterator<boost::range_detail::integer_iterator<long unsigned int> > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::concepts::MultiPassInputIterator<boost::range_detail::integer_iterator<long unsigned int> >)>'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:184:9:   required from 'boost::concepts::VertexListGraph<G>::~VertexListGraph() [with G = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:176:1:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::VertexListGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:55:9:   required from 'void boost::detail::kruskal_mst_impl(const Graph&, OutputIterator, Rank, Parent, Weight) [with Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<edge_desc_impl<boost::undirected_tag, long unsigned int> > >; Rank = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Parent = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Weight = boost::adj_list_edge_property_map<boost::undirected_tag, double, const double&, long unsigned int, const boost::property<boost::edge_weight_t, double>, boost::edge_weight_t>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:112:29:   required from 'void boost::kruskal_minimum_spanning_tree(const Graph&, OutputIterator) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<detail::edge_desc_impl<undirected_tag, long unsigned int> > >]'
bh.cpp:256:32:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:48: warning: 'this' pointer is null [-Wnonnull]
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |                             ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:37:7: note: in a call to non-static member function 'boost::concepts::MultiPassInputIterator<T>::~MultiPassInputIterator() [with T = boost::range_detail::integer_iterator<long unsigned int>]'
   37 |       ~model()
      |       ^
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:52:50: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
   52 |     BOOST_concept(MultiPassInputIterator, (T)) { BOOST_CONCEPT_USAGE(
      |                                                  ^~~~~~~~~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp: In instantiation of 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::Convertible<boost::undir_adj_list_traversal_tag, boost::vertex_list_graph_tag>]':
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::Convertible<boost::undir_adj_list_traversal_tag, boost::vertex_list_graph_tag> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:208:5:   required from 'struct boost::Convertible<boost::undir_adj_list_traversal_tag, boost::vertex_list_graph_tag>'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::Convertible<boost::undir_adj_list_traversal_tag, boost::vertex_list_graph_tag>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::Convertible<boost::undir_adj_list_traversal_tag, boost::vertex_list_graph_tag> >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::Convertible<boost::undir_adj_list_traversal_tag, boost::vertex_list_graph_tag> >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::Convertible<boost::undir_adj_list_traversal_tag, boost::vertex_list_graph_tag>)>'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:185:9:   required from 'boost::concepts::VertexListGraph<G>::~VertexListGraph() [with G = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:176:1:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::VertexListGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:55:9:   required from 'void boost::detail::kruskal_mst_impl(const Graph&, OutputIterator, Rank, Parent, Weight) [with Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<edge_desc_impl<boost::undirected_tag, long unsigned int> > >; Rank = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Parent = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Weight = boost::adj_list_edge_property_map<boost::undirected_tag, double, const double&, long unsigned int, const boost::property<boost::edge_weight_t, double>, boost::edge_weight_t>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:112:29:   required from 'void boost::kruskal_minimum_spanning_tree(const Graph&, OutputIterator) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<detail::edge_desc_impl<undirected_tag, long unsigned int> > >]'
bh.cpp:256:32:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:48: warning: 'this' pointer is null [-Wnonnull]
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |                             ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:37:7: note: in a call to non-static member function 'boost::Convertible<X, Y>::~Convertible() [with X = boost::undir_adj_list_traversal_tag; Y = boost::vertex_list_graph_tag]'
   37 |       ~model()
      |       ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:208:5: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
  208 |     BOOST_CONCEPT_USAGE(Convertible) {
      |     ^~~~~~~~~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp: In instantiation of 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::concepts::MultiPassInputIterator<boost::detail::undirected_edge_iter<std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::concepts::MultiPassInputIterator<boost::detail::undirected_edge_iter<std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:52:50:   required from 'struct boost::concepts::MultiPassInputIterator<boost::detail::undirected_edge_iter<std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::concepts::MultiPassInputIterator<boost::detail::undirected_edge_iter<std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::concepts::MultiPassInputIterator<boost::detail::undirected_edge_iter<std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> > >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::concepts::MultiPassInputIterator<boost::detail::undirected_edge_iter<std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::concepts::MultiPassInputIterator<boost::detail::undirected_edge_iter<std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> >)>'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:235:9:   required from 'boost::concepts::EdgeListGraph<G>::~EdgeListGraph() [with G = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:226:1:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::EdgeListGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:56:9:   required from 'void boost::detail::kruskal_mst_impl(const Graph&, OutputIterator, Rank, Parent, Weight) [with Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<edge_desc_impl<boost::undirected_tag, long unsigned int> > >; Rank = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Parent = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Weight = boost::adj_list_edge_property_map<boost::undirected_tag, double, const double&, long unsigned int, const boost::property<boost::edge_weight_t, double>, boost::edge_weight_t>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:112:29:   required from 'void boost::kruskal_minimum_spanning_tree(const Graph&, OutputIterator) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<detail::edge_desc_impl<undirected_tag, long unsigned int> > >]'
bh.cpp:256:32:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:48: warning: 'this' pointer is null [-Wnonnull]
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |                             ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:37:7: note: in a call to non-static member function 'boost::concepts::MultiPassInputIterator<T>::~MultiPassInputIterator() [with T = boost::detail::undirected_edge_iter<std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int>]'
   37 |       ~model()
      |       ^
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:52:50: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
   52 |     BOOST_concept(MultiPassInputIterator, (T)) { BOOST_CONCEPT_USAGE(
      |                                                  ^~~~~~~~~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp: In instantiation of 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::DefaultConstructible<boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::DefaultConstructible<boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:137:5:   required from 'struct boost::DefaultConstructible<boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::DefaultConstructible<boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::DefaultConstructible<boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> > >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::DefaultConstructible<boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::DefaultConstructible<boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> >)>'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:90:9:   required from 'boost::concepts::EdgeListGraph<G>::~EdgeListGraph() [with G = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:226:1:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::EdgeListGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:56:9:   required from 'void boost::detail::kruskal_mst_impl(const Graph&, OutputIterator, Rank, Parent, Weight) [with Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<edge_desc_impl<boost::undirected_tag, long unsigned int> > >; Rank = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Parent = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Weight = boost::adj_list_edge_property_map<boost::undirected_tag, double, const double&, long unsigned int, const boost::property<boost::edge_weight_t, double>, boost::edge_weight_t>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:112:29:   required from 'void boost::kruskal_minimum_spanning_tree(const Graph&, OutputIterator) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<detail::edge_desc_impl<undirected_tag, long unsigned int> > >]'
bh.cpp:256:32:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:48: warning: 'this' pointer is null [-Wnonnull]
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |                             ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:37:7: note: in a call to non-static member function 'boost::DefaultConstructible<TT>::~DefaultConstructible() [with TT = boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>]'
   37 |       ~model()
      |       ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:137:5: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
  137 |     BOOST_CONCEPT_USAGE(DefaultConstructible) {
      |     ^~~~~~~~~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp: In instantiation of 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::EqualityComparable<boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::EqualityComparable<boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:233:5:   required from 'struct boost::EqualityComparable<boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::EqualityComparable<boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::EqualityComparable<boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> > >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::EqualityComparable<boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::EqualityComparable<boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> >)>'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:91:9:   required from 'boost::concepts::EdgeListGraph<G>::~EdgeListGraph() [with G = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:226:1:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::EdgeListGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:56:9:   required from 'void boost::detail::kruskal_mst_impl(const Graph&, OutputIterator, Rank, Parent, Weight) [with Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<edge_desc_impl<boost::undirected_tag, long unsigned int> > >; Rank = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Parent = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Weight = boost::adj_list_edge_property_map<boost::undirected_tag, double, const double&, long unsigned int, const boost::property<boost::edge_weight_t, double>, boost::edge_weight_t>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:112:29:   required from 'void boost::kruskal_minimum_spanning_tree(const Graph&, OutputIterator) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<detail::edge_desc_impl<undirected_tag, long unsigned int> > >]'
bh.cpp:256:32:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:48: warning: 'this' pointer is null [-Wnonnull]
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |                             ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:37:7: note: in a call to non-static member function 'boost::EqualityComparable<TT>::~EqualityComparable() [with TT = boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>]'
   37 |       ~model()
      |       ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:233:5: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
  233 |     BOOST_CONCEPT_USAGE(EqualityComparable) {
      |     ^~~~~~~~~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp: In instantiation of 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::Assignable<boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::Assignable<boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:145:5:   required from 'struct boost::Assignable<boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::Assignable<boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::Assignable<boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> > >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::Assignable<boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::Assignable<boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int> >)>'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:92:9:   required from 'boost::concepts::EdgeListGraph<G>::~EdgeListGraph() [with G = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:226:1:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::EdgeListGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:56:9:   required from 'void boost::detail::kruskal_mst_impl(const Graph&, OutputIterator, Rank, Parent, Weight) [with Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<edge_desc_impl<boost::undirected_tag, long unsigned int> > >; Rank = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Parent = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Weight = boost::adj_list_edge_property_map<boost::undirected_tag, double, const double&, long unsigned int, const boost::property<boost::edge_weight_t, double>, boost::edge_weight_t>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:112:29:   required from 'void boost::kruskal_minimum_spanning_tree(const Graph&, OutputIterator) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<detail::edge_desc_impl<undirected_tag, long unsigned int> > >]'
bh.cpp:256:32:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:48: warning: 'this' pointer is null [-Wnonnull]
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |                             ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:37:7: note: in a call to non-static member function 'boost::Assignable<TT>::~Assignable() [with TT = boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>]'
   37 |       ~model()
      |       ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:145:5: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
  145 |     BOOST_CONCEPT_USAGE(Assignable) {
      |     ^~~~~~~~~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp: In instantiation of 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::Convertible<boost::undir_adj_list_traversal_tag, boost::edge_list_graph_tag>]':
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::Convertible<boost::undir_adj_list_traversal_tag, boost::edge_list_graph_tag> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:208:5:   required from 'struct boost::Convertible<boost::undir_adj_list_traversal_tag, boost::edge_list_graph_tag>'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::Convertible<boost::undir_adj_list_traversal_tag, boost::edge_list_graph_tag>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::Convertible<boost::undir_adj_list_traversal_tag, boost::edge_list_graph_tag> >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::Convertible<boost::undir_adj_list_traversal_tag, boost::edge_list_graph_tag> >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::Convertible<boost::undir_adj_list_traversal_tag, boost::edge_list_graph_tag>)>'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:239:9:   required from 'boost::concepts::EdgeListGraph<G>::~EdgeListGraph() [with G = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:226:1:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::EdgeListGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:56:9:   required from 'void boost::detail::kruskal_mst_impl(const Graph&, OutputIterator, Rank, Parent, Weight) [with Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<edge_desc_impl<boost::undirected_tag, long unsigned int> > >; Rank = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Parent = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Weight = boost::adj_list_edge_property_map<boost::undirected_tag, double, const double&, long unsigned int, const boost::property<boost::edge_weight_t, double>, boost::edge_weight_t>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:112:29:   required from 'void boost::kruskal_minimum_spanning_tree(const Graph&, OutputIterator) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<detail::edge_desc_impl<undirected_tag, long unsigned int> > >]'
bh.cpp:256:32:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:48: warning: 'this' pointer is null [-Wnonnull]
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |                             ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:37:7: note: in a call to non-static member function 'boost::Convertible<X, Y>::~Convertible() [with X = boost::undir_adj_list_traversal_tag; Y = boost::edge_list_graph_tag]'
   37 |       ~model()
      |       ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:208:5: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
  208 |     BOOST_CONCEPT_USAGE(Convertible) {
      |     ^~~~~~~~~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::CopyConstructible<boost::detail::components_recorder<int*> > >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:167:5:   required from 'struct boost::CopyConstructible<boost::detail::components_recorder<int*> >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:165:3:   required from 'struct boost::CopyConstructibleConcept<boost::detail::components_recorder<int*> >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::CopyConstructibleConcept<boost::detail::components_recorder<int*> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::CopyConstructibleConcept<boost::detail::components_recorder<int*> > >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::CopyConstructibleConcept<boost::detail::components_recorder<int*> > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   [ skipping 6 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:130:9:   required from 'void boost::depth_first_search(const VertexListGraph&, DFSVisitor, ColorMap, typename graph_traits<Graph>::vertex_descriptor) [with VertexListGraph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; DFSVisitor = detail::components_recorder<int*>; ColorMap = shared_array_property_map<default_color_type, vec_adj_list_vertex_id_map<property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int> >; typename graph_traits<Graph>::vertex_descriptor = long unsigned int]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:397:42:   required from 'void boost::graph::detail::depth_first_search_impl<Graph>::operator()(const Graph&, const ArgPack&) const [with ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<boost::graph::keywords::tag::visitor, const boost::detail::components_recorder<int*> >, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >; Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:406:5:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type boost::graph::depth_first_search_with_named_params(const Param0&, const ArgPack&) [with Param0 = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<keywords::tag::visitor, const boost::detail::components_recorder<int*> >, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >; typename boost::result_of<detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type = void]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:409:1:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const typename boost::detail::convert_bgl_params_to_boost_parameter<boost::bgl_named_params<T, Tag, Base> >::type&)>::type boost::depth_first_search(const Param0&, const bgl_named_params<T, Tag, Base>&) [with Param0 = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; P = detail::components_recorder<int*>; T = graph_visitor_t; R = no_property; typename result_of<graph::detail::depth_first_search_impl<Param0>(Param0, const typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type&)>::type = void; typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type = parameter::aux::arg_list<parameter::aux::tagged_argument<graph::keywords::tag::visitor, const detail::components_recorder<int*> >, parameter::aux::empty_arg_list, std::integral_constant<bool, true> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/connected_components.hpp:106:23:   required from 'typename boost::property_traits<IndexMap>::value_type boost::connected_components(const Graph&, ComponentMap, typename enable_if_c<is_base_and_derived<vertex_list_graph_tag, typename graph_traits<Graph>::traversal_category>::value, graph::detail::no_parameter>::type) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; ComponentMap = int*; typename property_traits<IndexMap>::value_type = int; typename enable_if_c<is_base_and_derived<vertex_list_graph_tag, typename graph_traits<Graph>::traversal_category>::value, graph::detail::no_parameter>::type = graph::detail::no_parameter; typename graph_traits<Graph>::traversal_category = undir_adj_list_traversal_tag]'
bh.cpp:146:23:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47: warning: 'this' pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:5: note: in a call to non-static member function 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::CopyConstructible<boost::detail::components_recorder<int*> >]'
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |     ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::CopyConstructibleConcept<boost::detail::components_recorder<int*> >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:41:9:   required from 'void boost::DFSVisitorConcept<Visitor, Graph>::constraints() [with Visitor = boost::detail::components_recorder<int*>; Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::DFSVisitorConcept<boost::detail::components_recorder<int*>, boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::DFSVisitorConcept<boost::detail::components_recorder<int*>, boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > > >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::DFSVisitorConcept<boost::detail::components_recorder<int*>, boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::DFSVisitorConcept<boost::detail::components_recorder<int*>, boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > >)>'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:130:9:   required from 'void boost::depth_first_search(const VertexListGraph&, DFSVisitor, ColorMap, typename graph_traits<Graph>::vertex_descriptor) [with VertexListGraph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; DFSVisitor = detail::components_recorder<int*>; ColorMap = shared_array_property_map<default_color_type, vec_adj_list_vertex_id_map<property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int> >; typename graph_traits<Graph>::vertex_descriptor = long unsigned int]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:397:42:   required from 'void boost::graph::detail::depth_first_search_impl<Graph>::operator()(const Graph&, const ArgPack&) const [with ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<boost::graph::keywords::tag::visitor, const boost::detail::components_recorder<int*> >, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >; Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:406:5:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type boost::graph::depth_first_search_with_named_params(const Param0&, const ArgPack&) [with Param0 = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<keywords::tag::visitor, const boost::detail::components_recorder<int*> >, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >; typename boost::result_of<detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type = void]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:409:1:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const typename boost::detail::convert_bgl_params_to_boost_parameter<boost::bgl_named_params<T, Tag, Base> >::type&)>::type boost::depth_first_search(const Param0&, const bgl_named_params<T, Tag, Base>&) [with Param0 = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; P = detail::components_recorder<int*>; T = graph_visitor_t; R = no_property; typename result_of<graph::detail::depth_first_search_impl<Param0>(Param0, const typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type&)>::type = void; typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type = parameter::aux::arg_list<parameter::aux::tagged_argument<graph::keywords::tag::visitor, const detail::components_recorder<int*> >, parameter::aux::empty_arg_list, std::integral_constant<bool, true> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/connected_components.hpp:106:23:   required from 'typename boost::property_traits<IndexMap>::value_type boost::connected_components(const Graph&, ComponentMap, typename enable_if_c<is_base_and_derived<vertex_list_graph_tag, typename graph_traits<Graph>::traversal_category>::value, graph::detail::no_parameter>::type) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; ComponentMap = int*; typename property_traits<IndexMap>::value_type = int; typename enable_if_c<is_base_and_derived<vertex_list_graph_tag, typename graph_traits<Graph>::traversal_category>::value, graph::detail::no_parameter>::type = graph::detail::no_parameter; typename graph_traits<Graph>::traversal_category = undir_adj_list_traversal_tag]'
bh.cpp:146:23:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47: warning: 'this' pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:165:17: note: in a call to non-static member function 'boost::CopyConstructibleConcept<boost::detail::components_recorder<int*> >::~CopyConstructibleConcept()'
  165 |   BOOST_concept(CopyConstructible,(TT))
      |                 ^~~~~~~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/preprocessor/cat.hpp:29:34: note: in definition of macro 'BOOST_PP_CAT_I'
   29 | #    define BOOST_PP_CAT_I(a, b) a ## b
      |                                  ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/concept_def.hpp:23:12: note: in expansion of macro 'BOOST_PP_CAT'
   23 |     struct BOOST_PP_CAT(name,Concept)                                           \
      |            ^~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:165:3: note: in expansion of macro 'BOOST_concept'
  165 |   BOOST_concept(CopyConstructible,(TT))
      |   ^~~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::concepts::IncidenceGraph<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > > >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:87:5:   required from 'struct boost::concepts::IncidenceGraph<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:75:1:   required from 'struct boost::concepts::IncidenceGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::concepts::IncidenceGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::concepts::IncidenceGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > > >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::concepts::IncidenceGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   [ skipping 2 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:286:39:   required from 'void boost::depth_first_search(const VertexListGraph&, DFSVisitor, ColorMap, typename graph_traits<Graph>::vertex_descriptor) [with VertexListGraph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; DFSVisitor = detail::components_recorder<int*>; ColorMap = shared_array_property_map<default_color_type, vec_adj_list_vertex_id_map<property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int> >; typename graph_traits<Graph>::vertex_descriptor = long unsigned int]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:397:42:   required from 'void boost::graph::detail::depth_first_search_impl<Graph>::operator()(const Graph&, const ArgPack&) const [with ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<boost::graph::keywords::tag::visitor, const boost::detail::components_recorder<int*> >, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >; Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:406:5:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type boost::graph::depth_first_search_with_named_params(const Param0&, const ArgPack&) [with Param0 = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<keywords::tag::visitor, const boost::detail::components_recorder<int*> >, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >; typename boost::result_of<detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type = void]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:409:1:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const typename boost::detail::convert_bgl_params_to_boost_parameter<boost::bgl_named_params<T, Tag, Base> >::type&)>::type boost::depth_first_search(const Param0&, const bgl_named_params<T, Tag, Base>&) [with Param0 = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; P = detail::components_recorder<int*>; T = graph_visitor_t; R = no_property; typename result_of<graph::detail::depth_first_search_impl<Param0>(Param0, const typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type&)>::type = void; typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type = parameter::aux::arg_list<parameter::aux::tagged_argument<graph::keywords::tag::visitor, const detail::components_recorder<int*> >, parameter::aux::empty_arg_list, std::integral_constant<bool, true> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/connected_components.hpp:106:23:   required from 'typename boost::property_traits<IndexMap>::value_type boost::connected_components(const Graph&, ComponentMap, typename enable_if_c<is_base_and_derived<vertex_list_graph_tag, typename graph_traits<Graph>::traversal_category>::value, graph::detail::no_parameter>::type) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; ComponentMap = int*; typename property_traits<IndexMap>::value_type = int; typename enable_if_c<is_base_and_derived<vertex_list_graph_tag, typename graph_traits<Graph>::traversal_category>::value, graph::detail::no_parameter>::type = graph::detail::no_parameter; typename graph_traits<Graph>::traversal_category = undir_adj_list_traversal_tag]'
bh.cpp:146:23:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47: warning: 'this' pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:5: note: in a call to non-static member function 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::concepts::IncidenceGraph<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > >]'
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |     ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::IncidenceGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:129:9:   required from 'void boost::detail::depth_first_visit_impl(const IncidenceGraph&, typename boost::graph_traits<Graph>::vertex_descriptor, DFSVisitor&, ColorMap, TerminatorFunc) [with IncidenceGraph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; DFSVisitor = components_recorder<int*>; ColorMap = boost::shared_array_property_map<boost::default_color_type, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int> >; TerminatorFunc = nontruth2; typename boost::graph_traits<Graph>::vertex_descriptor = long unsigned int]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:286:39:   required from 'void boost::depth_first_search(const VertexListGraph&, DFSVisitor, ColorMap, typename graph_traits<Graph>::vertex_descriptor) [with VertexListGraph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; DFSVisitor = detail::components_recorder<int*>; ColorMap = shared_array_property_map<default_color_type, vec_adj_list_vertex_id_map<property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int> >; typename graph_traits<Graph>::vertex_descriptor = long unsigned int]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:397:42:   required from 'void boost::graph::detail::depth_first_search_impl<Graph>::operator()(const Graph&, const ArgPack&) const [with ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<boost::graph::keywords::tag::visitor, const boost::detail::components_recorder<int*> >, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >; Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:406:5:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type boost::graph::depth_first_search_with_named_params(const Param0&, const ArgPack&) [with Param0 = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<keywords::tag::visitor, const boost::detail::components_recorder<int*> >, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >; typename boost::result_of<detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type = void]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:409:1:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const typename boost::detail::convert_bgl_params_to_boost_parameter<boost::bgl_named_params<T, Tag, Base> >::type&)>::type boost::depth_first_search(const Param0&, const bgl_named_params<T, Tag, Base>&) [with Param0 = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; P = detail::components_recorder<int*>; T = graph_visitor_t; R = no_property; typename result_of<graph::detail::depth_first_search_impl<Param0>(Param0, const typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type&)>::type = void; typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type = parameter::aux::arg_list<parameter::aux::tagged_argument<graph::keywords::tag::visitor, const detail::components_recorder<int*> >, parameter::aux::empty_arg_list, std::integral_constant<bool, true> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/connected_components.hpp:106:23:   required from 'typename boost::property_traits<IndexMap>::value_type boost::connected_components(const Graph&, ComponentMap, typename enable_if_c<is_base_and_derived<vertex_list_graph_tag, typename graph_traits<Graph>::traversal_category>::value, graph::detail::no_parameter>::type) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; ComponentMap = int*; typename property_traits<IndexMap>::value_type = int; typename enable_if_c<is_base_and_derived<vertex_list_graph_tag, typename graph_traits<Graph>::traversal_category>::value, graph::detail::no_parameter>::type = graph::detail::no_parameter; typename graph_traits<Graph>::traversal_category = undir_adj_list_traversal_tag]'
bh.cpp:146:23:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47: warning: 'this' pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:75:15: note: in a call to non-static member function 'boost::concepts::IncidenceGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > >::~IncidenceGraphConcept()'
   75 | BOOST_concept(IncidenceGraph, (G)) : Graph< G >
      |               ^~~~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/preprocessor/cat.hpp:29:34: note: in definition of macro 'BOOST_PP_CAT_I'
   29 | #    define BOOST_PP_CAT_I(a, b) a ## b
      |                                  ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/concept_def.hpp:23:12: note: in expansion of macro 'BOOST_PP_CAT'
   23 |     struct BOOST_PP_CAT(name,Concept)                                           \
      |            ^~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:75:1: note: in expansion of macro 'BOOST_concept'
   75 | BOOST_concept(IncidenceGraph, (G)) : Graph< G >
      | ^~~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::constraint<Model>::failed() [with Model = boost::ReadWritePropertyMapConcept<boost::shared_array_property_map<boost::default_color_type, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int> >, long unsigned int>]':
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:134:9:   required from 'void boost::detail::depth_first_visit_impl(const IncidenceGraph&, typename boost::graph_traits<Graph>::vertex_descriptor, DFSVisitor&, ColorMap, TerminatorFunc) [with IncidenceGraph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; DFSVisitor = components_recorder<int*>; ColorMap = boost::shared_array_property_map<boost::default_color_type, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int> >; TerminatorFunc = nontruth2; typename boost::graph_traits<Graph>::vertex_descriptor = long unsigned int]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:286:39:   required from 'void boost::depth_first_search(const VertexListGraph&, DFSVisitor, ColorMap, typename graph_traits<Graph>::vertex_descriptor) [with VertexListGraph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; DFSVisitor = detail::components_recorder<int*>; ColorMap = shared_array_property_map<default_color_type, vec_adj_list_vertex_id_map<property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int> >; typename graph_traits<Graph>::vertex_descriptor = long unsigned int]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:397:42:   required from 'void boost::graph::detail::depth_first_search_impl<Graph>::operator()(const Graph&, const ArgPack&) const [with ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<boost::graph::keywords::tag::visitor, const boost::detail::components_recorder<int*> >, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >; Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:406:5:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type boost::graph::depth_first_search_with_named_params(const Param0&, const ArgPack&) [with Param0 = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<keywords::tag::visitor, const boost::detail::components_recorder<int*> >, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >; typename boost::result_of<detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type = void]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:409:1:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const typename boost::detail::convert_bgl_params_to_boost_parameter<boost::bgl_named_params<T, Tag, Base> >::type&)>::type boost::depth_first_search(const Param0&, const bgl_named_params<T, Tag, Base>&) [with Param0 = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; P = detail::components_recorder<int*>; T = graph_visitor_t; R = no_property; typename result_of<graph::detail::depth_first_search_impl<Param0>(Param0, const typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type&)>::type = void; typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type = parameter::aux::arg_list<parameter::aux::tagged_argument<graph::keywords::tag::visitor, const detail::components_recorder<int*> >, parameter::aux::empty_arg_list, std::integral_constant<bool, true> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/connected_components.hpp:106:23:   required from 'typename boost::property_traits<IndexMap>::value_type boost::connected_components(const Graph&, ComponentMap, typename enable_if_c<is_base_and_derived<vertex_list_graph_tag, typename graph_traits<Graph>::traversal_category>::value, graph::detail::no_parameter>::type) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; ComponentMap = int*; typename property_traits<IndexMap>::value_type = int; typename enable_if_c<is_base_and_derived<vertex_list_graph_tag, typename graph_traits<Graph>::traversal_category>::value, graph::detail::no_parameter>::type = graph::detail::no_parameter; typename graph_traits<Graph>::traversal_category = undir_adj_list_traversal_tag]'
bh.cpp:146:23:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:65:52: warning: 'this' pointer is null [-Wnonnull]
   65 |     static void failed() { ((Model*)0)->constraints(); }
      |                            ~~~~~~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/property_map/property_map.hpp:205:10: note: in a call to non-static member function 'void boost::ReadWritePropertyMapConcept<PMap, Key>::constraints() [with PMap = boost::shared_array_property_map<boost::default_color_type, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int> >; Key = long unsigned int]'
  205 |     void constraints() {
      |          ^~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::EqualityComparable<boost::default_color_type> >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:233:5:   required from 'struct boost::EqualityComparable<boost::default_color_type>'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:502:1:   required from 'struct boost::concepts::ColorValue<boost::default_color_type>'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:502:1:   required from 'struct boost::concepts::ColorValueConcept<boost::default_color_type>'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::concepts::ColorValueConcept<boost::default_color_type>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::concepts::ColorValueConcept<boost::default_color_type> >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   [ skipping 3 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:286:39:   required from 'void boost::depth_first_search(const VertexListGraph&, DFSVisitor, ColorMap, typename graph_traits<Graph>::vertex_descriptor) [with VertexListGraph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; DFSVisitor = detail::components_recorder<int*>; ColorMap = shared_array_property_map<default_color_type, vec_adj_list_vertex_id_map<property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int> >; typename graph_traits<Graph>::vertex_descriptor = long unsigned int]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:397:42:   required from 'void boost::graph::detail::depth_first_search_impl<Graph>::operator()(const Graph&, const ArgPack&) const [with ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<boost::graph::keywords::tag::visitor, const boost::detail::components_recorder<int*> >, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >; Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:406:5:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type boost::graph::depth_first_search_with_named_params(const Param0&, const ArgPack&) [with Param0 = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<keywords::tag::visitor, const boost::detail::components_recorder<int*> >, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >; typename boost::result_of<detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type = void]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:409:1:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const typename boost::detail::convert_bgl_params_to_boost_parameter<boost::bgl_named_params<T, Tag, Base> >::type&)>::type boost::depth_first_search(const Param0&, const bgl_named_params<T, Tag, Base>&) [with Param0 = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; P = detail::components_recorder<int*>; T = graph_visitor_t; R = no_property; typename result_of<graph::detail::depth_first_search_impl<Param0>(Param0, const typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type&)>::type = void; typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type = parameter::aux::arg_list<parameter::aux::tagged_argument<graph::keywords::tag::visitor, const detail::components_recorder<int*> >, parameter::aux::empty_arg_list, std::integral_constant<bool, true> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/connected_components.hpp:106:23:   required from 'typename boost::property_traits<IndexMap>::value_type boost::connected_components(const Graph&, ComponentMap, typename enable_if_c<is_base_and_derived<vertex_list_graph_tag, typename graph_traits<Graph>::traversal_category>::value, graph::detail::no_parameter>::type) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; ComponentMap = int*; typename property_traits<IndexMap>::value_type = int; typename enable_if_c<is_base_and_derived<vertex_list_graph_tag, typename graph_traits<Graph>::traversal_category>::value, graph::detail::no_parameter>::type = graph::detail::no_parameter; typename graph_traits<Graph>::traversal_category = undir_adj_list_traversal_tag]'
bh.cpp:146:23:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47: warning: 'this' pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:5: note: in a call to non-static member function 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::EqualityComparable<boost::default_color_type>]'
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |     ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::DefaultConstructible<boost::default_color_type> >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:137:5:   required from 'struct boost::DefaultConstructible<boost::default_color_type>'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:502:1:   required from 'struct boost::concepts::ColorValue<boost::default_color_type>'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:502:1:   required from 'struct boost::concepts::ColorValueConcept<boost::default_color_type>'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::concepts::ColorValueConcept<boost::default_color_type>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::concepts::ColorValueConcept<boost::default_color_type> >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   [ skipping 3 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:286:39:   required from 'void boost::depth_first_search(const VertexListGraph&, DFSVisitor, ColorMap, typename graph_traits<Graph>::vertex_descriptor) [with VertexListGraph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; DFSVisitor = detail::components_recorder<int*>; ColorMap = shared_array_property_map<default_color_type, vec_adj_list_vertex_id_map<property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int> >; typename graph_traits<Graph>::vertex_descriptor = long unsigned int]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:397:42:   required from 'void boost::graph::detail::depth_first_search_impl<Graph>::operator()(const Graph&, const ArgPack&) const [with ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<boost::graph::keywords::tag::visitor, const boost::detail::components_recorder<int*> >, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >; Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:406:5:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type boost::graph::depth_first_search_with_named_params(const Param0&, const ArgPack&) [with Param0 = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<keywords::tag::visitor, const boost::detail::components_recorder<int*> >, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >; typename boost::result_of<detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type = void]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:409:1:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const typename boost::detail::convert_bgl_params_to_boost_parameter<boost::bgl_named_params<T, Tag, Base> >::type&)>::type boost::depth_first_search(const Param0&, const bgl_named_params<T, Tag, Base>&) [with Param0 = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; P = detail::components_recorder<int*>; T = graph_visitor_t; R = no_property; typename result_of<graph::detail::depth_first_search_impl<Param0>(Param0, const typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type&)>::type = void; typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type = parameter::aux::arg_list<parameter::aux::tagged_argument<graph::keywords::tag::visitor, const detail::components_recorder<int*> >, parameter::aux::empty_arg_list, std::integral_constant<bool, true> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/connected_components.hpp:106:23:   required from 'typename boost::property_traits<IndexMap>::value_type boost::connected_components(const Graph&, ComponentMap, typename enable_if_c<is_base_and_derived<vertex_list_graph_tag, typename graph_traits<Graph>::traversal_category>::value, graph::detail::no_parameter>::type) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; ComponentMap = int*; typename property_traits<IndexMap>::value_type = int; typename enable_if_c<is_base_and_derived<vertex_list_graph_tag, typename graph_traits<Graph>::traversal_category>::value, graph::detail::no_parameter>::type = graph::detail::no_parameter; typename graph_traits<Graph>::traversal_category = undir_adj_list_traversal_tag]'
bh.cpp:146:23:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47: warning: 'this' pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:5: note: in a call to non-static member function 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::DefaultConstructible<boost::default_color_type>]'
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |     ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::concepts::ColorValue<boost::default_color_type> >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:505:5:   required from 'struct boost::concepts::ColorValue<boost::default_color_type>'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:502:1:   required from 'struct boost::concepts::ColorValueConcept<boost::default_color_type>'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::concepts::ColorValueConcept<boost::default_color_type>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::concepts::ColorValueConcept<boost::default_color_type> >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::concepts::ColorValueConcept<boost::default_color_type> >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   [ skipping 2 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:286:39:   required from 'void boost::depth_first_search(const VertexListGraph&, DFSVisitor, ColorMap, typename graph_traits<Graph>::vertex_descriptor) [with VertexListGraph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; DFSVisitor = detail::components_recorder<int*>; ColorMap = shared_array_property_map<default_color_type, vec_adj_list_vertex_id_map<property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int> >; typename graph_traits<Graph>::vertex_descriptor = long unsigned int]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:397:42:   required from 'void boost::graph::detail::depth_first_search_impl<Graph>::operator()(const Graph&, const ArgPack&) const [with ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<boost::graph::keywords::tag::visitor, const boost::detail::components_recorder<int*> >, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >; Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:406:5:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type boost::graph::depth_first_search_with_named_params(const Param0&, const ArgPack&) [with Param0 = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<keywords::tag::visitor, const boost::detail::components_recorder<int*> >, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >; typename boost::result_of<detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type = void]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:409:1:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const typename boost::detail::convert_bgl_params_to_boost_parameter<boost::bgl_named_params<T, Tag, Base> >::type&)>::type boost::depth_first_search(const Param0&, const bgl_named_params<T, Tag, Base>&) [with Param0 = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; P = detail::components_recorder<int*>; T = graph_visitor_t; R = no_property; typename result_of<graph::detail::depth_first_search_impl<Param0>(Param0, const typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type&)>::type = void; typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type = parameter::aux::arg_list<parameter::aux::tagged_argument<graph::keywords::tag::visitor, const detail::components_recorder<int*> >, parameter::aux::empty_arg_list, std::integral_constant<bool, true> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/connected_components.hpp:106:23:   required from 'typename boost::property_traits<IndexMap>::value_type boost::connected_components(const Graph&, ComponentMap, typename enable_if_c<is_base_and_derived<vertex_list_graph_tag, typename graph_traits<Graph>::traversal_category>::value, graph::detail::no_parameter>::type) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; ComponentMap = int*; typename property_traits<IndexMap>::value_type = int; typename enable_if_c<is_base_and_derived<vertex_list_graph_tag, typename graph_traits<Graph>::traversal_category>::value, graph::detail::no_parameter>::type = graph::detail::no_parameter; typename graph_traits<Graph>::traversal_category = undir_adj_list_traversal_tag]'
bh.cpp:146:23:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47: warning: 'this' pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:5: note: in a call to non-static member function 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::concepts::ColorValue<boost::default_color_type>]'
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |     ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::ColorValueConcept<boost::default_color_type>]':
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:136:9:   required from 'void boost::detail::depth_first_visit_impl(const IncidenceGraph&, typename boost::graph_traits<Graph>::vertex_descriptor, DFSVisitor&, ColorMap, TerminatorFunc) [with IncidenceGraph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; DFSVisitor = components_recorder<int*>; ColorMap = boost::shared_array_property_map<boost::default_color_type, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int> >; TerminatorFunc = nontruth2; typename boost::graph_traits<Graph>::vertex_descriptor = long unsigned int]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:286:39:   required from 'void boost::depth_first_search(const VertexListGraph&, DFSVisitor, ColorMap, typename graph_traits<Graph>::vertex_descriptor) [with VertexListGraph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; DFSVisitor = detail::components_recorder<int*>; ColorMap = shared_array_property_map<default_color_type, vec_adj_list_vertex_id_map<property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int> >; typename graph_traits<Graph>::vertex_descriptor = long unsigned int]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:397:42:   required from 'void boost::graph::detail::depth_first_search_impl<Graph>::operator()(const Graph&, const ArgPack&) const [with ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<boost::graph::keywords::tag::visitor, const boost::detail::components_recorder<int*> >, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >; Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:406:5:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type boost::graph::depth_first_search_with_named_params(const Param0&, const ArgPack&) [with Param0 = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<keywords::tag::visitor, const boost::detail::components_recorder<int*> >, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >; typename boost::result_of<detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type = void]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:409:1:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const typename boost::detail::convert_bgl_params_to_boost_parameter<boost::bgl_named_params<T, Tag, Base> >::type&)>::type boost::depth_first_search(const Param0&, const bgl_named_params<T, Tag, Base>&) [with Param0 = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; P = detail::components_recorder<int*>; T = graph_visitor_t; R = no_property; typename result_of<graph::detail::depth_first_search_impl<Param0>(Param0, const typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type&)>::type = void; typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type = parameter::aux::arg_list<parameter::aux::tagged_argument<graph::keywords::tag::visitor, const detail::components_recorder<int*> >, parameter::aux::empty_arg_list, std::integral_constant<bool, true> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/connected_components.hpp:106:23:   required from 'typename boost::property_traits<IndexMap>::value_type boost::connected_components(const Graph&, ComponentMap, typename enable_if_c<is_base_and_derived<vertex_list_graph_tag, typename graph_traits<Graph>::traversal_category>::value, graph::detail::no_parameter>::type) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; ComponentMap = int*; typename property_traits<IndexMap>::value_type = int; typename enable_if_c<is_base_and_derived<vertex_list_graph_tag, typename graph_traits<Graph>::traversal_category>::value, graph::detail::no_parameter>::type = graph::detail::no_parameter; typename graph_traits<Graph>::traversal_category = undir_adj_list_traversal_tag]'
bh.cpp:146:23:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47: warning: 'this' pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:502:15: note: in a call to non-static member function 'boost::concepts::ColorValueConcept<boost::default_color_type>::~ColorValueConcept()'
  502 | BOOST_concept(ColorValue, (C))
      |               ^~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/preprocessor/cat.hpp:29:34: note: in definition of macro 'BOOST_PP_CAT_I'
   29 | #    define BOOST_PP_CAT_I(a, b) a ## b
      |                                  ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/concept_def.hpp:23:12: note: in expansion of macro 'BOOST_PP_CAT'
   23 |     struct BOOST_PP_CAT(name,Concept)                                           \
      |            ^~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:502:1: note: in expansion of macro 'BOOST_concept'
  502 | BOOST_concept(ColorValue, (C))
      | ^~~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp: In instantiation of 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::Convertible<std::random_access_iterator_tag, std::input_iterator_tag>]':
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::Convertible<std::random_access_iterator_tag, std::input_iterator_tag> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:208:5:   required from 'struct boost::Convertible<std::random_access_iterator_tag, std::input_iterator_tag>'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::Convertible<std::random_access_iterator_tag, std::input_iterator_tag>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::Convertible<std::random_access_iterator_tag, std::input_iterator_tag> >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::Convertible<std::random_access_iterator_tag, std::input_iterator_tag> >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   [ skipping 10 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::RandomAccessIteratorConcept<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > > >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::RandomAccessIteratorConcept<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::RandomAccessIteratorConcept<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > >)>'
/data/gannet/ripley/R/test-dev/BH/include/boost/property_map/property_map.hpp:354:5:   required from 'boost::iterator_property_map<RAIter, ID, Value, Value&> boost::make_iterator_property_map(RAIter, ID, Value) [with RAIter = __gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >; Value = long unsigned int; ID = vec_adj_list_vertex_id_map<property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:113:35:   required from 'void boost::kruskal_minimum_spanning_tree(const Graph&, OutputIterator) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<detail::edge_desc_impl<undirected_tag, long unsigned int> > >]'
bh.cpp:256:32:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:48: warning: 'this' pointer is null [-Wnonnull]
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |                             ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:37:7: note: in a call to non-static member function 'boost::Convertible<X, Y>::~Convertible() [with X = std::random_access_iterator_tag; Y = std::input_iterator_tag]'
   37 |       ~model()
      |       ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:208:5: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
  208 |     BOOST_CONCEPT_USAGE(Convertible) {
      |     ^~~~~~~~~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp: In instantiation of 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::Convertible<std::random_access_iterator_tag, std::forward_iterator_tag>]':
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::Convertible<std::random_access_iterator_tag, std::forward_iterator_tag> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:208:5:   required from 'struct boost::Convertible<std::random_access_iterator_tag, std::forward_iterator_tag>'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::Convertible<std::random_access_iterator_tag, std::forward_iterator_tag>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::Convertible<std::random_access_iterator_tag, std::forward_iterator_tag> >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::Convertible<std::random_access_iterator_tag, std::forward_iterator_tag> >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   [ skipping 9 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::RandomAccessIteratorConcept<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > > >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::RandomAccessIteratorConcept<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::RandomAccessIteratorConcept<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > >)>'
/data/gannet/ripley/R/test-dev/BH/include/boost/property_map/property_map.hpp:354:5:   required from 'boost::iterator_property_map<RAIter, ID, Value, Value&> boost::make_iterator_property_map(RAIter, ID, Value) [with RAIter = __gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >; Value = long unsigned int; ID = vec_adj_list_vertex_id_map<property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:113:35:   required from 'void boost::kruskal_minimum_spanning_tree(const Graph&, OutputIterator) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<detail::edge_desc_impl<undirected_tag, long unsigned int> > >]'
bh.cpp:256:32:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:48: warning: 'this' pointer is null [-Wnonnull]
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |                             ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:37:7: note: in a call to non-static member function 'boost::Convertible<X, Y>::~Convertible() [with X = std::random_access_iterator_tag; Y = std::forward_iterator_tag]'
   37 |       ~model()
      |       ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:208:5: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
  208 |     BOOST_CONCEPT_USAGE(Convertible) {
      |     ^~~~~~~~~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp: In instantiation of 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::Convertible<std::random_access_iterator_tag, std::bidirectional_iterator_tag>]':
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::Convertible<std::random_access_iterator_tag, std::bidirectional_iterator_tag> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:208:5:   required from 'struct boost::Convertible<std::random_access_iterator_tag, std::bidirectional_iterator_tag>'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::Convertible<std::random_access_iterator_tag, std::bidirectional_iterator_tag>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::Convertible<std::random_access_iterator_tag, std::bidirectional_iterator_tag> >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::Convertible<std::random_access_iterator_tag, std::bidirectional_iterator_tag> >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   [ skipping 8 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::RandomAccessIteratorConcept<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > > >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::RandomAccessIteratorConcept<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::RandomAccessIteratorConcept<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > > >)>'
/data/gannet/ripley/R/test-dev/BH/include/boost/property_map/property_map.hpp:354:5:   required from 'boost::iterator_property_map<RAIter, ID, Value, Value&> boost::make_iterator_property_map(RAIter, ID, Value) [with RAIter = __gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >; Value = long unsigned int; ID = vec_adj_list_vertex_id_map<property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:113:35:   required from 'void boost::kruskal_minimum_spanning_tree(const Graph&, OutputIterator) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<detail::edge_desc_impl<undirected_tag, long unsigned int> > >]'
bh.cpp:256:32:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:48: warning: 'this' pointer is null [-Wnonnull]
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |                             ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:37:7: note: in a call to non-static member function 'boost::Convertible<X, Y>::~Convertible() [with X = std::random_access_iterator_tag; Y = std::bidirectional_iterator_tag]'
   37 |       ~model()
      |       ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:208:5: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
  208 |     BOOST_CONCEPT_USAGE(Convertible) {
      |     ^~~~~~~~~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp: In instantiation of 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::DefaultConstructible<long unsigned int>]':
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::DefaultConstructible<long unsigned int> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:137:5:   required from 'struct boost::DefaultConstructible<long unsigned int>'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::DefaultConstructible<long unsigned int>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::DefaultConstructible<long unsigned int> >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::DefaultConstructible<long unsigned int> >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   [ skipping 8 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::concepts::VertexListGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > > >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::concepts::VertexListGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::concepts::VertexListGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > >)>'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:55:9:   required from 'void boost::detail::kruskal_mst_impl(const Graph&, OutputIterator, Rank, Parent, Weight) [with Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<edge_desc_impl<boost::undirected_tag, long unsigned int> > >; Rank = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Parent = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Weight = boost::adj_list_edge_property_map<boost::undirected_tag, double, const double&, long unsigned int, const boost::property<boost::edge_weight_t, double>, boost::edge_weight_t>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:112:29:   required from 'void boost::kruskal_minimum_spanning_tree(const Graph&, OutputIterator) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<detail::edge_desc_impl<undirected_tag, long unsigned int> > >]'
bh.cpp:256:32:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:48: warning: 'this' pointer is null [-Wnonnull]
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |                             ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:37:7: note: in a call to non-static member function 'boost::DefaultConstructible<TT>::~DefaultConstructible() [with TT = long unsigned int]'
   37 |       ~model()
      |       ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:137:5: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
  137 |     BOOST_CONCEPT_USAGE(DefaultConstructible) {
      |     ^~~~~~~~~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp: In instantiation of 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::EqualityComparable<long unsigned int>]':
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::EqualityComparable<long unsigned int> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:233:5:   required from 'struct boost::EqualityComparable<long unsigned int>'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::EqualityComparable<long unsigned int>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::EqualityComparable<long unsigned int> >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::EqualityComparable<long unsigned int> >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   [ skipping 8 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::concepts::VertexListGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > > >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::concepts::VertexListGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::concepts::VertexListGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > >)>'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:55:9:   required from 'void boost::detail::kruskal_mst_impl(const Graph&, OutputIterator, Rank, Parent, Weight) [with Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<edge_desc_impl<boost::undirected_tag, long unsigned int> > >; Rank = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Parent = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Weight = boost::adj_list_edge_property_map<boost::undirected_tag, double, const double&, long unsigned int, const boost::property<boost::edge_weight_t, double>, boost::edge_weight_t>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:112:29:   required from 'void boost::kruskal_minimum_spanning_tree(const Graph&, OutputIterator) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<detail::edge_desc_impl<undirected_tag, long unsigned int> > >]'
bh.cpp:256:32:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:48: warning: 'this' pointer is null [-Wnonnull]
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |                             ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:37:7: note: in a call to non-static member function 'boost::EqualityComparable<TT>::~EqualityComparable() [with TT = long unsigned int]'
   37 |       ~model()
      |       ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:233:5: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
  233 |     BOOST_CONCEPT_USAGE(EqualityComparable) {
      |     ^~~~~~~~~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp: In instantiation of 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::Assignable<long unsigned int>]':
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::Assignable<long unsigned int> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:145:5:   required from 'struct boost::Assignable<long unsigned int>'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::Assignable<long unsigned int>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::Assignable<long unsigned int> >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::Assignable<long unsigned int> >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   [ skipping 8 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::concepts::VertexListGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > > >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::concepts::VertexListGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::concepts::VertexListGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > >)>'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:55:9:   required from 'void boost::detail::kruskal_mst_impl(const Graph&, OutputIterator, Rank, Parent, Weight) [with Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<edge_desc_impl<boost::undirected_tag, long unsigned int> > >; Rank = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Parent = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Weight = boost::adj_list_edge_property_map<boost::undirected_tag, double, const double&, long unsigned int, const boost::property<boost::edge_weight_t, double>, boost::edge_weight_t>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:112:29:   required from 'void boost::kruskal_minimum_spanning_tree(const Graph&, OutputIterator) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<detail::edge_desc_impl<undirected_tag, long unsigned int> > >]'
bh.cpp:256:32:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:48: warning: 'this' pointer is null [-Wnonnull]
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |                             ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:37:7: note: in a call to non-static member function 'boost::Assignable<TT>::~Assignable() [with TT = long unsigned int]'
   37 |       ~model()
      |       ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:145:5: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
  145 |     BOOST_CONCEPT_USAGE(Assignable) {
      |     ^~~~~~~~~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::Assignable<boost::range_detail::integer_iterator<long unsigned int> > >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:145:5:   required from 'struct boost::Assignable<boost::range_detail::integer_iterator<long unsigned int> >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:502:3:   required from 'struct boost::InputIterator<boost::range_detail::integer_iterator<long unsigned int> >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::InputIterator<boost::range_detail::integer_iterator<long unsigned int> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::InputIterator<boost::range_detail::integer_iterator<long unsigned int> > >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::InputIterator<boost::range_detail::integer_iterator<long unsigned int> > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   [ skipping 2 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::MultiPassInputIterator<boost::range_detail::integer_iterator<long unsigned int> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:184:9:   required from 'boost::concepts::VertexListGraph<G>::~VertexListGraph() [with G = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:176:1:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::VertexListGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:55:9:   required from 'void boost::detail::kruskal_mst_impl(const Graph&, OutputIterator, Rank, Parent, Weight) [with Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<edge_desc_impl<boost::undirected_tag, long unsigned int> > >; Rank = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Parent = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Weight = boost::adj_list_edge_property_map<boost::undirected_tag, double, const double&, long unsigned int, const boost::property<boost::edge_weight_t, double>, boost::edge_weight_t>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:112:29:   required from 'void boost::kruskal_minimum_spanning_tree(const Graph&, OutputIterator) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<detail::edge_desc_impl<undirected_tag, long unsigned int> > >]'
bh.cpp:256:32:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47: warning: 'this' pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:5: note: in a call to non-static member function 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::Assignable<boost::range_detail::integer_iterator<long unsigned int> >]'
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |     ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::EqualityComparable<boost::range_detail::integer_iterator<long unsigned int> > >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:233:5:   required from 'struct boost::EqualityComparable<boost::range_detail::integer_iterator<long unsigned int> >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:502:3:   required from 'struct boost::InputIterator<boost::range_detail::integer_iterator<long unsigned int> >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::InputIterator<boost::range_detail::integer_iterator<long unsigned int> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::InputIterator<boost::range_detail::integer_iterator<long unsigned int> > >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::InputIterator<boost::range_detail::integer_iterator<long unsigned int> > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   [ skipping 2 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::MultiPassInputIterator<boost::range_detail::integer_iterator<long unsigned int> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:184:9:   required from 'boost::concepts::VertexListGraph<G>::~VertexListGraph() [with G = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:176:1:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::VertexListGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:55:9:   required from 'void boost::detail::kruskal_mst_impl(const Graph&, OutputIterator, Rank, Parent, Weight) [with Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<edge_desc_impl<boost::undirected_tag, long unsigned int> > >; Rank = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Parent = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Weight = boost::adj_list_edge_property_map<boost::undirected_tag, double, const double&, long unsigned int, const boost::property<boost::edge_weight_t, double>, boost::edge_weight_t>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:112:29:   required from 'void boost::kruskal_minimum_spanning_tree(const Graph&, OutputIterator) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<detail::edge_desc_impl<undirected_tag, long unsigned int> > >]'
bh.cpp:256:32:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47: warning: 'this' pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:5: note: in a call to non-static member function 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::EqualityComparable<boost::range_detail::integer_iterator<long unsigned int> >]'
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |     ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::InputIterator<boost::range_detail::integer_iterator<long unsigned int> > >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:512:7:   required from 'struct boost::InputIterator<boost::range_detail::integer_iterator<long unsigned int> >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::InputIterator<boost::range_detail::integer_iterator<long unsigned int> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::InputIterator<boost::range_detail::integer_iterator<long unsigned int> > >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::InputIterator<boost::range_detail::integer_iterator<long unsigned int> > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   [ skipping 2 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::MultiPassInputIterator<boost::range_detail::integer_iterator<long unsigned int> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:184:9:   required from 'boost::concepts::VertexListGraph<G>::~VertexListGraph() [with G = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:176:1:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::VertexListGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:55:9:   required from 'void boost::detail::kruskal_mst_impl(const Graph&, OutputIterator, Rank, Parent, Weight) [with Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<edge_desc_impl<boost::undirected_tag, long unsigned int> > >; Rank = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Parent = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Weight = boost::adj_list_edge_property_map<boost::undirected_tag, double, const double&, long unsigned int, const boost::property<boost::edge_weight_t, double>, boost::edge_weight_t>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:112:29:   required from 'void boost::kruskal_minimum_spanning_tree(const Graph&, OutputIterator) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<detail::edge_desc_impl<undirected_tag, long unsigned int> > >]'
bh.cpp:256:32:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47: warning: 'this' pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:5: note: in a call to non-static member function 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::InputIterator<boost::range_detail::integer_iterator<long unsigned int> >]'
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |     ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::InputIterator<boost::range_detail::integer_iterator<long unsigned int> >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:53:35:   required from 'boost::concepts::MultiPassInputIterator<T>::~MultiPassInputIterator() [with T = boost::range_detail::integer_iterator<long unsigned int>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::MultiPassInputIterator<boost::range_detail::integer_iterator<long unsigned int> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:184:9:   required from 'boost::concepts::VertexListGraph<G>::~VertexListGraph() [with G = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:176:1:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::VertexListGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:55:9:   required from 'void boost::detail::kruskal_mst_impl(const Graph&, OutputIterator, Rank, Parent, Weight) [with Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<edge_desc_impl<boost::undirected_tag, long unsigned int> > >; Rank = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Parent = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Weight = boost::adj_list_edge_property_map<boost::undirected_tag, double, const double&, long unsigned int, const boost::property<boost::edge_weight_t, double>, boost::edge_weight_t>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:112:29:   required from 'void boost::kruskal_minimum_spanning_tree(const Graph&, OutputIterator) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<detail::edge_desc_impl<undirected_tag, long unsigned int> > >]'
bh.cpp:256:32:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47: warning: 'this' pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:37:7: note: in a call to non-static member function 'boost::InputIterator<TT>::~InputIterator() [with TT = boost::range_detail::integer_iterator<long unsigned int>]'
   37 |       ~model()
      |       ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:512:7: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
  512 |       BOOST_CONCEPT_USAGE(InputIterator)
      |       ^~~~~~~~~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::Assignable<boost::detail::undirected_edge_iter<std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> > >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:145:5:   required from 'struct boost::Assignable<boost::detail::undirected_edge_iter<std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:502:3:   required from 'struct boost::InputIterator<boost::detail::undirected_edge_iter<std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::InputIterator<boost::detail::undirected_edge_iter<std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::InputIterator<boost::detail::undirected_edge_iter<std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> > >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::InputIterator<boost::detail::undirected_edge_iter<std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   [ skipping 2 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::MultiPassInputIterator<boost::detail::undirected_edge_iter<std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:235:9:   required from 'boost::concepts::EdgeListGraph<G>::~EdgeListGraph() [with G = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:226:1:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::EdgeListGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:56:9:   required from 'void boost::detail::kruskal_mst_impl(const Graph&, OutputIterator, Rank, Parent, Weight) [with Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<edge_desc_impl<boost::undirected_tag, long unsigned int> > >; Rank = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Parent = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Weight = boost::adj_list_edge_property_map<boost::undirected_tag, double, const double&, long unsigned int, const boost::property<boost::edge_weight_t, double>, boost::edge_weight_t>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:112:29:   required from 'void boost::kruskal_minimum_spanning_tree(const Graph&, OutputIterator) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<detail::edge_desc_impl<undirected_tag, long unsigned int> > >]'
bh.cpp:256:32:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47: warning: 'this' pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:5: note: in a call to non-static member function 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::Assignable<boost::detail::undirected_edge_iter<std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> >]'
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |     ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::EqualityComparable<boost::detail::undirected_edge_iter<std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> > >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:233:5:   required from 'struct boost::EqualityComparable<boost::detail::undirected_edge_iter<std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:502:3:   required from 'struct boost::InputIterator<boost::detail::undirected_edge_iter<std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::InputIterator<boost::detail::undirected_edge_iter<std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::InputIterator<boost::detail::undirected_edge_iter<std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> > >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::InputIterator<boost::detail::undirected_edge_iter<std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   [ skipping 2 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::MultiPassInputIterator<boost::detail::undirected_edge_iter<std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:235:9:   required from 'boost::concepts::EdgeListGraph<G>::~EdgeListGraph() [with G = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:226:1:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::EdgeListGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:56:9:   required from 'void boost::detail::kruskal_mst_impl(const Graph&, OutputIterator, Rank, Parent, Weight) [with Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<edge_desc_impl<boost::undirected_tag, long unsigned int> > >; Rank = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Parent = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Weight = boost::adj_list_edge_property_map<boost::undirected_tag, double, const double&, long unsigned int, const boost::property<boost::edge_weight_t, double>, boost::edge_weight_t>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:112:29:   required from 'void boost::kruskal_minimum_spanning_tree(const Graph&, OutputIterator) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<detail::edge_desc_impl<undirected_tag, long unsigned int> > >]'
bh.cpp:256:32:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47: warning: 'this' pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:5: note: in a call to non-static member function 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::EqualityComparable<boost::detail::undirected_edge_iter<std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> >]'
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |     ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::InputIterator<boost::detail::undirected_edge_iter<std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> > >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:512:7:   required from 'struct boost::InputIterator<boost::detail::undirected_edge_iter<std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::InputIterator<boost::detail::undirected_edge_iter<std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::InputIterator<boost::detail::undirected_edge_iter<std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> > >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::InputIterator<boost::detail::undirected_edge_iter<std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   [ skipping 2 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::MultiPassInputIterator<boost::detail::undirected_edge_iter<std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:235:9:   required from 'boost::concepts::EdgeListGraph<G>::~EdgeListGraph() [with G = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:226:1:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::EdgeListGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:56:9:   required from 'void boost::detail::kruskal_mst_impl(const Graph&, OutputIterator, Rank, Parent, Weight) [with Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<edge_desc_impl<boost::undirected_tag, long unsigned int> > >; Rank = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Parent = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Weight = boost::adj_list_edge_property_map<boost::undirected_tag, double, const double&, long unsigned int, const boost::property<boost::edge_weight_t, double>, boost::edge_weight_t>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:112:29:   required from 'void boost::kruskal_minimum_spanning_tree(const Graph&, OutputIterator) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<detail::edge_desc_impl<undirected_tag, long unsigned int> > >]'
bh.cpp:256:32:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47: warning: 'this' pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:5: note: in a call to non-static member function 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::InputIterator<boost::detail::undirected_edge_iter<std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> >]'
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |     ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::InputIterator<boost::detail::undirected_edge_iter<std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:53:35:   required from 'boost::concepts::MultiPassInputIterator<T>::~MultiPassInputIterator() [with T = boost::detail::undirected_edge_iter<std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::MultiPassInputIterator<boost::detail::undirected_edge_iter<std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:235:9:   required from 'boost::concepts::EdgeListGraph<G>::~EdgeListGraph() [with G = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:226:1:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::EdgeListGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:56:9:   required from 'void boost::detail::kruskal_mst_impl(const Graph&, OutputIterator, Rank, Parent, Weight) [with Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<edge_desc_impl<boost::undirected_tag, long unsigned int> > >; Rank = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Parent = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Weight = boost::adj_list_edge_property_map<boost::undirected_tag, double, const double&, long unsigned int, const boost::property<boost::edge_weight_t, double>, boost::edge_weight_t>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:112:29:   required from 'void boost::kruskal_minimum_spanning_tree(const Graph&, OutputIterator) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<detail::edge_desc_impl<undirected_tag, long unsigned int> > >]'
bh.cpp:256:32:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47: warning: 'this' pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:37:7: note: in a call to non-static member function 'boost::InputIterator<TT>::~InputIterator() [with TT = boost::detail::undirected_edge_iter<std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int>]'
   37 |       ~model()
      |       ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:512:7: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
  512 |       BOOST_CONCEPT_USAGE(InputIterator)
      |       ^~~~~~~~~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::constraint<Model>::failed() [with Model = boost::DFSVisitorConcept<boost::topo_sort_visitor<std::back_insert_iterator<std::vector<int> > >, boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > > >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:130:9:   required from 'void boost::depth_first_search(const VertexListGraph&, DFSVisitor, ColorMap, typename graph_traits<Graph>::vertex_descriptor) [with VertexListGraph = adjacency_list<vecS, vecS, directedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_index_t, int, property<edge_weight_t, double> > >; DFSVisitor = topo_sort_visitor<std::back_insert_iterator<std::vector<int> > >; ColorMap = shared_array_property_map<default_color_type, vec_adj_list_vertex_id_map<property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int> >; typename graph_traits<Graph>::vertex_descriptor = long unsigned int]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:397:42:   required from 'void boost::graph::detail::depth_first_search_impl<Graph>::operator()(const Graph&, const ArgPack&) const [with ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<boost::graph::keywords::tag::visitor, const boost::topo_sort_visitor<std::back_insert_iterator<std::vector<int> > > >, boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<boost::graph::keywords::tag::buffer, const int>, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >, std::integral_constant<bool, true> >; Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:406:5:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type boost::graph::depth_first_search_with_named_params(const Param0&, const ArgPack&) [with Param0 = boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >; ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<keywords::tag::visitor, const boost::topo_sort_visitor<std::back_insert_iterator<std::vector<int> > > >, boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<keywords::tag::buffer, const int>, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >, std::integral_constant<bool, true> >; typename boost::result_of<detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type = void]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:409:1:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const typename boost::detail::convert_bgl_params_to_boost_parameter<boost::bgl_named_params<T, Tag, Base> >::type&)>::type boost::depth_first_search(const Param0&, const bgl_named_params<T, Tag, Base>&) [with Param0 = adjacency_list<vecS, vecS, directedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_index_t, int, property<edge_weight_t, double> > >; P = topo_sort_visitor<std::back_insert_iterator<std::vector<int> > >; T = graph_visitor_t; R = bgl_named_params<int, buffer_param_t>; typename result_of<graph::detail::depth_first_search_impl<Param0>(Param0, const typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type&)>::type = void; typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type = parameter::aux::arg_list<parameter::aux::tagged_argument<graph::keywords::tag::visitor, const topo_sort_visitor<std::back_insert_iterator<std::vector<int> > > >, parameter::aux::arg_list<parameter::aux::tagged_argument<graph::keywords::tag::buffer, const int>, parameter::aux::empty_arg_list, std::integral_constant<bool, true> >, std::integral_constant<bool, true> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/topological_sort.hpp:69:23:   required from 'void boost::topological_sort(VertexListGraph&, OutputIterator, const bgl_named_params<P, T, R>&) [with VertexListGraph = adjacency_list<vecS, vecS, directedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_index_t, int, property<edge_weight_t, double> > >; OutputIterator = std::back_insert_iterator<std::vector<int> >; P = int; T = buffer_param_t; R = no_property]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/topological_sort.hpp:75:21:   required from 'void boost::topological_sort(VertexListGraph&, OutputIterator) [with VertexListGraph = adjacency_list<vecS, vecS, directedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_index_t, int, property<edge_weight_t, double> > >; OutputIterator = std::back_insert_iterator<std::vector<int> >]'
bh.cpp:280:19:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:65:52: warning: 'this' pointer is null [-Wnonnull]
   65 |     static void failed() { ((Model*)0)->constraints(); }
      |                            ~~~~~~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:39:10: note: in a call to non-static member function 'void boost::DFSVisitorConcept<Visitor, Graph>::constraints() [with Visitor = boost::topo_sort_visitor<std::back_insert_iterator<std::vector<int> > >; Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >]'
   39 |     void constraints()
      |          ^~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp: In instantiation of 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::CopyConstructible<boost::detail::components_recorder<int*> >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::CopyConstructible<boost::detail::components_recorder<int*> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:167:5:   required from 'struct boost::CopyConstructible<boost::detail::components_recorder<int*> >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:165:3:   required from 'struct boost::CopyConstructibleConcept<boost::detail::components_recorder<int*> >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::CopyConstructibleConcept<boost::detail::components_recorder<int*> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::CopyConstructibleConcept<boost::detail::components_recorder<int*> > >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   [ skipping 7 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:130:9:   required from 'void boost::depth_first_search(const VertexListGraph&, DFSVisitor, ColorMap, typename graph_traits<Graph>::vertex_descriptor) [with VertexListGraph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; DFSVisitor = detail::components_recorder<int*>; ColorMap = shared_array_property_map<default_color_type, vec_adj_list_vertex_id_map<property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int> >; typename graph_traits<Graph>::vertex_descriptor = long unsigned int]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:397:42:   required from 'void boost::graph::detail::depth_first_search_impl<Graph>::operator()(const Graph&, const ArgPack&) const [with ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<boost::graph::keywords::tag::visitor, const boost::detail::components_recorder<int*> >, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >; Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:406:5:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type boost::graph::depth_first_search_with_named_params(const Param0&, const ArgPack&) [with Param0 = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<keywords::tag::visitor, const boost::detail::components_recorder<int*> >, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >; typename boost::result_of<detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type = void]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:409:1:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const typename boost::detail::convert_bgl_params_to_boost_parameter<boost::bgl_named_params<T, Tag, Base> >::type&)>::type boost::depth_first_search(const Param0&, const bgl_named_params<T, Tag, Base>&) [with Param0 = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; P = detail::components_recorder<int*>; T = graph_visitor_t; R = no_property; typename result_of<graph::detail::depth_first_search_impl<Param0>(Param0, const typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type&)>::type = void; typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type = parameter::aux::arg_list<parameter::aux::tagged_argument<graph::keywords::tag::visitor, const detail::components_recorder<int*> >, parameter::aux::empty_arg_list, std::integral_constant<bool, true> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/connected_components.hpp:106:23:   required from 'typename boost::property_traits<IndexMap>::value_type boost::connected_components(const Graph&, ComponentMap, typename enable_if_c<is_base_and_derived<vertex_list_graph_tag, typename graph_traits<Graph>::traversal_category>::value, graph::detail::no_parameter>::type) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; ComponentMap = int*; typename property_traits<IndexMap>::value_type = int; typename enable_if_c<is_base_and_derived<vertex_list_graph_tag, typename graph_traits<Graph>::traversal_category>::value, graph::detail::no_parameter>::type = graph::detail::no_parameter; typename graph_traits<Graph>::traversal_category = undir_adj_list_traversal_tag]'
bh.cpp:146:23:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:48: warning: 'this' pointer is null [-Wnonnull]
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |                             ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:37:7: note: in a call to non-static member function 'boost::CopyConstructible<TT>::~CopyConstructible() [with TT = boost::detail::components_recorder<int*>]'
   37 |       ~model()
      |       ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:167:5: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
  167 |     BOOST_CONCEPT_USAGE(CopyConstructible) {
      |     ^~~~~~~~~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp: In instantiation of 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::concepts::IncidenceGraph<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::concepts::IncidenceGraph<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:87:5:   required from 'struct boost::concepts::IncidenceGraph<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:75:1:   required from 'struct boost::concepts::IncidenceGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::concepts::IncidenceGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::concepts::IncidenceGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > > >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   [ skipping 3 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:286:39:   required from 'void boost::depth_first_search(const VertexListGraph&, DFSVisitor, ColorMap, typename graph_traits<Graph>::vertex_descriptor) [with VertexListGraph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; DFSVisitor = detail::components_recorder<int*>; ColorMap = shared_array_property_map<default_color_type, vec_adj_list_vertex_id_map<property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int> >; typename graph_traits<Graph>::vertex_descriptor = long unsigned int]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:397:42:   required from 'void boost::graph::detail::depth_first_search_impl<Graph>::operator()(const Graph&, const ArgPack&) const [with ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<boost::graph::keywords::tag::visitor, const boost::detail::components_recorder<int*> >, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >; Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:406:5:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type boost::graph::depth_first_search_with_named_params(const Param0&, const ArgPack&) [with Param0 = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<keywords::tag::visitor, const boost::detail::components_recorder<int*> >, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >; typename boost::result_of<detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type = void]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:409:1:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const typename boost::detail::convert_bgl_params_to_boost_parameter<boost::bgl_named_params<T, Tag, Base> >::type&)>::type boost::depth_first_search(const Param0&, const bgl_named_params<T, Tag, Base>&) [with Param0 = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; P = detail::components_recorder<int*>; T = graph_visitor_t; R = no_property; typename result_of<graph::detail::depth_first_search_impl<Param0>(Param0, const typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type&)>::type = void; typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type = parameter::aux::arg_list<parameter::aux::tagged_argument<graph::keywords::tag::visitor, const detail::components_recorder<int*> >, parameter::aux::empty_arg_list, std::integral_constant<bool, true> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/connected_components.hpp:106:23:   required from 'typename boost::property_traits<IndexMap>::value_type boost::connected_components(const Graph&, ComponentMap, typename enable_if_c<is_base_and_derived<vertex_list_graph_tag, typename graph_traits<Graph>::traversal_category>::value, graph::detail::no_parameter>::type) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; ComponentMap = int*; typename property_traits<IndexMap>::value_type = int; typename enable_if_c<is_base_and_derived<vertex_list_graph_tag, typename graph_traits<Graph>::traversal_category>::value, graph::detail::no_parameter>::type = graph::detail::no_parameter; typename graph_traits<Graph>::traversal_category = undir_adj_list_traversal_tag]'
bh.cpp:146:23:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:48: warning: 'this' pointer is null [-Wnonnull]
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |                             ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:37:7: note: in a call to non-static member function 'boost::concepts::IncidenceGraph<G>::~IncidenceGraph() [with G = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >]'
   37 |       ~model()
      |       ^
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:87:5: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
   87 |     BOOST_CONCEPT_USAGE(IncidenceGraph)
      |     ^~~~~~~~~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::constraint<Model>::failed() [with Model = boost::ReadablePropertyMapConcept<boost::shared_array_property_map<boost::default_color_type, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int> >, long unsigned int>]':
/data/gannet/ripley/R/test-dev/BH/include/boost/property_map/property_map.hpp:206:7:   required from 'void boost::ReadWritePropertyMapConcept<PMap, Key>::constraints() [with PMap = boost::shared_array_property_map<boost::default_color_type, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int> >; Key = long unsigned int]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::ReadWritePropertyMapConcept<boost::shared_array_property_map<boost::default_color_type, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int> >, long unsigned int>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::ReadWritePropertyMapConcept<boost::shared_array_property_map<boost::default_color_type, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int> >, long unsigned int> >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::ReadWritePropertyMapConcept<boost::shared_array_property_map<boost::default_color_type, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int> >, long unsigned int> >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   [ skipping 2 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:286:39:   required from 'void boost::depth_first_search(const VertexListGraph&, DFSVisitor, ColorMap, typename graph_traits<Graph>::vertex_descriptor) [with VertexListGraph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; DFSVisitor = detail::components_recorder<int*>; ColorMap = shared_array_property_map<default_color_type, vec_adj_list_vertex_id_map<property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int> >; typename graph_traits<Graph>::vertex_descriptor = long unsigned int]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:397:42:   required from 'void boost::graph::detail::depth_first_search_impl<Graph>::operator()(const Graph&, const ArgPack&) const [with ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<boost::graph::keywords::tag::visitor, const boost::detail::components_recorder<int*> >, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >; Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:406:5:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type boost::graph::depth_first_search_with_named_params(const Param0&, const ArgPack&) [with Param0 = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<keywords::tag::visitor, const boost::detail::components_recorder<int*> >, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >; typename boost::result_of<detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type = void]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:409:1:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const typename boost::detail::convert_bgl_params_to_boost_parameter<boost::bgl_named_params<T, Tag, Base> >::type&)>::type boost::depth_first_search(const Param0&, const bgl_named_params<T, Tag, Base>&) [with Param0 = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; P = detail::components_recorder<int*>; T = graph_visitor_t; R = no_property; typename result_of<graph::detail::depth_first_search_impl<Param0>(Param0, const typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type&)>::type = void; typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type = parameter::aux::arg_list<parameter::aux::tagged_argument<graph::keywords::tag::visitor, const detail::components_recorder<int*> >, parameter::aux::empty_arg_list, std::integral_constant<bool, true> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/connected_components.hpp:106:23:   required from 'typename boost::property_traits<IndexMap>::value_type boost::connected_components(const Graph&, ComponentMap, typename enable_if_c<is_base_and_derived<vertex_list_graph_tag, typename graph_traits<Graph>::traversal_category>::value, graph::detail::no_parameter>::type) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; ComponentMap = int*; typename property_traits<IndexMap>::value_type = int; typename enable_if_c<is_base_and_derived<vertex_list_graph_tag, typename graph_traits<Graph>::traversal_category>::value, graph::detail::no_parameter>::type = graph::detail::no_parameter; typename graph_traits<Graph>::traversal_category = undir_adj_list_traversal_tag]'
bh.cpp:146:23:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:65:52: warning: 'this' pointer is null [-Wnonnull]
   65 |     static void failed() { ((Model*)0)->constraints(); }
      |                            ~~~~~~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/property_map/property_map.hpp:147:10: note: in a call to non-static member function 'void boost::ReadablePropertyMapConcept<PMap, Key>::constraints() [with PMap = boost::shared_array_property_map<boost::default_color_type, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int> >; Key = long unsigned int]'
  147 |     void constraints() {
      |          ^~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::constraint<Model>::failed() [with Model = boost::WritablePropertyMapConcept<boost::shared_array_property_map<boost::default_color_type, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int> >, long unsigned int>]':
/data/gannet/ripley/R/test-dev/BH/include/boost/property_map/property_map.hpp:207:7:   required from 'void boost::ReadWritePropertyMapConcept<PMap, Key>::constraints() [with PMap = boost::shared_array_property_map<boost::default_color_type, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int> >; Key = long unsigned int]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::ReadWritePropertyMapConcept<boost::shared_array_property_map<boost::default_color_type, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int> >, long unsigned int>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::ReadWritePropertyMapConcept<boost::shared_array_property_map<boost::default_color_type, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int> >, long unsigned int> >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::ReadWritePropertyMapConcept<boost::shared_array_property_map<boost::default_color_type, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int> >, long unsigned int> >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   [ skipping 2 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:286:39:   required from 'void boost::depth_first_search(const VertexListGraph&, DFSVisitor, ColorMap, typename graph_traits<Graph>::vertex_descriptor) [with VertexListGraph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; DFSVisitor = detail::components_recorder<int*>; ColorMap = shared_array_property_map<default_color_type, vec_adj_list_vertex_id_map<property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int> >; typename graph_traits<Graph>::vertex_descriptor = long unsigned int]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:397:42:   required from 'void boost::graph::detail::depth_first_search_impl<Graph>::operator()(const Graph&, const ArgPack&) const [with ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<boost::graph::keywords::tag::visitor, const boost::detail::components_recorder<int*> >, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >; Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:406:5:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type boost::graph::depth_first_search_with_named_params(const Param0&, const ArgPack&) [with Param0 = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<keywords::tag::visitor, const boost::detail::components_recorder<int*> >, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >; typename boost::result_of<detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type = void]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:409:1:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const typename boost::detail::convert_bgl_params_to_boost_parameter<boost::bgl_named_params<T, Tag, Base> >::type&)>::type boost::depth_first_search(const Param0&, const bgl_named_params<T, Tag, Base>&) [with Param0 = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; P = detail::components_recorder<int*>; T = graph_visitor_t; R = no_property; typename result_of<graph::detail::depth_first_search_impl<Param0>(Param0, const typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type&)>::type = void; typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type = parameter::aux::arg_list<parameter::aux::tagged_argument<graph::keywords::tag::visitor, const detail::components_recorder<int*> >, parameter::aux::empty_arg_list, std::integral_constant<bool, true> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/connected_components.hpp:106:23:   required from 'typename boost::property_traits<IndexMap>::value_type boost::connected_components(const Graph&, ComponentMap, typename enable_if_c<is_base_and_derived<vertex_list_graph_tag, typename graph_traits<Graph>::traversal_category>::value, graph::detail::no_parameter>::type) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; ComponentMap = int*; typename property_traits<IndexMap>::value_type = int; typename enable_if_c<is_base_and_derived<vertex_list_graph_tag, typename graph_traits<Graph>::traversal_category>::value, graph::detail::no_parameter>::type = graph::detail::no_parameter; typename graph_traits<Graph>::traversal_category = undir_adj_list_traversal_tag]'
bh.cpp:146:23:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:65:52: warning: 'this' pointer is null [-Wnonnull]
   65 |     static void failed() { ((Model*)0)->constraints(); }
      |                            ~~~~~~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/property_map/property_map.hpp:179:10: note: in a call to non-static member function 'void boost::WritablePropertyMapConcept<PMap, Key>::constraints() [with PMap = boost::shared_array_property_map<boost::default_color_type, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int> >; Key = long unsigned int]'
  179 |     void constraints() {
      |          ^~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp: In instantiation of 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::EqualityComparable<boost::default_color_type>]':
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::EqualityComparable<boost::default_color_type> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:233:5:   required from 'struct boost::EqualityComparable<boost::default_color_type>'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:502:1:   required from 'struct boost::concepts::ColorValue<boost::default_color_type>'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:502:1:   required from 'struct boost::concepts::ColorValueConcept<boost::default_color_type>'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::concepts::ColorValueConcept<boost::default_color_type>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   [ skipping 4 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:286:39:   required from 'void boost::depth_first_search(const VertexListGraph&, DFSVisitor, ColorMap, typename graph_traits<Graph>::vertex_descriptor) [with VertexListGraph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; DFSVisitor = detail::components_recorder<int*>; ColorMap = shared_array_property_map<default_color_type, vec_adj_list_vertex_id_map<property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int> >; typename graph_traits<Graph>::vertex_descriptor = long unsigned int]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:397:42:   required from 'void boost::graph::detail::depth_first_search_impl<Graph>::operator()(const Graph&, const ArgPack&) const [with ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<boost::graph::keywords::tag::visitor, const boost::detail::components_recorder<int*> >, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >; Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:406:5:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type boost::graph::depth_first_search_with_named_params(const Param0&, const ArgPack&) [with Param0 = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<keywords::tag::visitor, const boost::detail::components_recorder<int*> >, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >; typename boost::result_of<detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type = void]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:409:1:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const typename boost::detail::convert_bgl_params_to_boost_parameter<boost::bgl_named_params<T, Tag, Base> >::type&)>::type boost::depth_first_search(const Param0&, const bgl_named_params<T, Tag, Base>&) [with Param0 = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; P = detail::components_recorder<int*>; T = graph_visitor_t; R = no_property; typename result_of<graph::detail::depth_first_search_impl<Param0>(Param0, const typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type&)>::type = void; typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type = parameter::aux::arg_list<parameter::aux::tagged_argument<graph::keywords::tag::visitor, const detail::components_recorder<int*> >, parameter::aux::empty_arg_list, std::integral_constant<bool, true> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/connected_components.hpp:106:23:   required from 'typename boost::property_traits<IndexMap>::value_type boost::connected_components(const Graph&, ComponentMap, typename enable_if_c<is_base_and_derived<vertex_list_graph_tag, typename graph_traits<Graph>::traversal_category>::value, graph::detail::no_parameter>::type) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; ComponentMap = int*; typename property_traits<IndexMap>::value_type = int; typename enable_if_c<is_base_and_derived<vertex_list_graph_tag, typename graph_traits<Graph>::traversal_category>::value, graph::detail::no_parameter>::type = graph::detail::no_parameter; typename graph_traits<Graph>::traversal_category = undir_adj_list_traversal_tag]'
bh.cpp:146:23:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:48: warning: 'this' pointer is null [-Wnonnull]
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |                             ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:37:7: note: in a call to non-static member function 'boost::EqualityComparable<TT>::~EqualityComparable() [with TT = boost::default_color_type]'
   37 |       ~model()
      |       ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:233:5: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
  233 |     BOOST_CONCEPT_USAGE(EqualityComparable) {
      |     ^~~~~~~~~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp: In instantiation of 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::DefaultConstructible<boost::default_color_type>]':
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::DefaultConstructible<boost::default_color_type> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:137:5:   required from 'struct boost::DefaultConstructible<boost::default_color_type>'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:502:1:   required from 'struct boost::concepts::ColorValue<boost::default_color_type>'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:502:1:   required from 'struct boost::concepts::ColorValueConcept<boost::default_color_type>'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::concepts::ColorValueConcept<boost::default_color_type>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   [ skipping 4 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:286:39:   required from 'void boost::depth_first_search(const VertexListGraph&, DFSVisitor, ColorMap, typename graph_traits<Graph>::vertex_descriptor) [with VertexListGraph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; DFSVisitor = detail::components_recorder<int*>; ColorMap = shared_array_property_map<default_color_type, vec_adj_list_vertex_id_map<property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int> >; typename graph_traits<Graph>::vertex_descriptor = long unsigned int]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:397:42:   required from 'void boost::graph::detail::depth_first_search_impl<Graph>::operator()(const Graph&, const ArgPack&) const [with ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<boost::graph::keywords::tag::visitor, const boost::detail::components_recorder<int*> >, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >; Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:406:5:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type boost::graph::depth_first_search_with_named_params(const Param0&, const ArgPack&) [with Param0 = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<keywords::tag::visitor, const boost::detail::components_recorder<int*> >, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >; typename boost::result_of<detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type = void]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:409:1:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const typename boost::detail::convert_bgl_params_to_boost_parameter<boost::bgl_named_params<T, Tag, Base> >::type&)>::type boost::depth_first_search(const Param0&, const bgl_named_params<T, Tag, Base>&) [with Param0 = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; P = detail::components_recorder<int*>; T = graph_visitor_t; R = no_property; typename result_of<graph::detail::depth_first_search_impl<Param0>(Param0, const typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type&)>::type = void; typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type = parameter::aux::arg_list<parameter::aux::tagged_argument<graph::keywords::tag::visitor, const detail::components_recorder<int*> >, parameter::aux::empty_arg_list, std::integral_constant<bool, true> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/connected_components.hpp:106:23:   required from 'typename boost::property_traits<IndexMap>::value_type boost::connected_components(const Graph&, ComponentMap, typename enable_if_c<is_base_and_derived<vertex_list_graph_tag, typename graph_traits<Graph>::traversal_category>::value, graph::detail::no_parameter>::type) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; ComponentMap = int*; typename property_traits<IndexMap>::value_type = int; typename enable_if_c<is_base_and_derived<vertex_list_graph_tag, typename graph_traits<Graph>::traversal_category>::value, graph::detail::no_parameter>::type = graph::detail::no_parameter; typename graph_traits<Graph>::traversal_category = undir_adj_list_traversal_tag]'
bh.cpp:146:23:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:48: warning: 'this' pointer is null [-Wnonnull]
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |                             ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:37:7: note: in a call to non-static member function 'boost::DefaultConstructible<TT>::~DefaultConstructible() [with TT = boost::default_color_type]'
   37 |       ~model()
      |       ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:137:5: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
  137 |     BOOST_CONCEPT_USAGE(DefaultConstructible) {
      |     ^~~~~~~~~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp: In instantiation of 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::concepts::ColorValue<boost::default_color_type>]':
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::concepts::ColorValue<boost::default_color_type> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:505:5:   required from 'struct boost::concepts::ColorValue<boost::default_color_type>'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:502:1:   required from 'struct boost::concepts::ColorValueConcept<boost::default_color_type>'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::concepts::ColorValueConcept<boost::default_color_type>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::concepts::ColorValueConcept<boost::default_color_type> >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   [ skipping 3 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:286:39:   required from 'void boost::depth_first_search(const VertexListGraph&, DFSVisitor, ColorMap, typename graph_traits<Graph>::vertex_descriptor) [with VertexListGraph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; DFSVisitor = detail::components_recorder<int*>; ColorMap = shared_array_property_map<default_color_type, vec_adj_list_vertex_id_map<property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int> >; typename graph_traits<Graph>::vertex_descriptor = long unsigned int]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:397:42:   required from 'void boost::graph::detail::depth_first_search_impl<Graph>::operator()(const Graph&, const ArgPack&) const [with ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<boost::graph::keywords::tag::visitor, const boost::detail::components_recorder<int*> >, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >; Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:406:5:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type boost::graph::depth_first_search_with_named_params(const Param0&, const ArgPack&) [with Param0 = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<keywords::tag::visitor, const boost::detail::components_recorder<int*> >, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >; typename boost::result_of<detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type = void]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:409:1:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const typename boost::detail::convert_bgl_params_to_boost_parameter<boost::bgl_named_params<T, Tag, Base> >::type&)>::type boost::depth_first_search(const Param0&, const bgl_named_params<T, Tag, Base>&) [with Param0 = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; P = detail::components_recorder<int*>; T = graph_visitor_t; R = no_property; typename result_of<graph::detail::depth_first_search_impl<Param0>(Param0, const typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type&)>::type = void; typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type = parameter::aux::arg_list<parameter::aux::tagged_argument<graph::keywords::tag::visitor, const detail::components_recorder<int*> >, parameter::aux::empty_arg_list, std::integral_constant<bool, true> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/connected_components.hpp:106:23:   required from 'typename boost::property_traits<IndexMap>::value_type boost::connected_components(const Graph&, ComponentMap, typename enable_if_c<is_base_and_derived<vertex_list_graph_tag, typename graph_traits<Graph>::traversal_category>::value, graph::detail::no_parameter>::type) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; ComponentMap = int*; typename property_traits<IndexMap>::value_type = int; typename enable_if_c<is_base_and_derived<vertex_list_graph_tag, typename graph_traits<Graph>::traversal_category>::value, graph::detail::no_parameter>::type = graph::detail::no_parameter; typename graph_traits<Graph>::traversal_category = undir_adj_list_traversal_tag]'
bh.cpp:146:23:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:48: warning: 'this' pointer is null [-Wnonnull]
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |                             ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:37:7: note: in a call to non-static member function 'boost::concepts::ColorValue<C>::~ColorValue() [with C = boost::default_color_type]'
   37 |       ~model()
      |       ^
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:505:5: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
  505 |     BOOST_CONCEPT_USAGE(ColorValue)
      |     ^~~~~~~~~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp: In instantiation of 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::Assignable<boost::range_detail::integer_iterator<long unsigned int> >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::Assignable<boost::range_detail::integer_iterator<long unsigned int> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:145:5:   required from 'struct boost::Assignable<boost::range_detail::integer_iterator<long unsigned int> >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:502:3:   required from 'struct boost::InputIterator<boost::range_detail::integer_iterator<long unsigned int> >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::InputIterator<boost::range_detail::integer_iterator<long unsigned int> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::InputIterator<boost::range_detail::integer_iterator<long unsigned int> > >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   [ skipping 3 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::MultiPassInputIterator<boost::range_detail::integer_iterator<long unsigned int> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:184:9:   required from 'boost::concepts::VertexListGraph<G>::~VertexListGraph() [with G = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:176:1:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::VertexListGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:55:9:   required from 'void boost::detail::kruskal_mst_impl(const Graph&, OutputIterator, Rank, Parent, Weight) [with Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<edge_desc_impl<boost::undirected_tag, long unsigned int> > >; Rank = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Parent = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Weight = boost::adj_list_edge_property_map<boost::undirected_tag, double, const double&, long unsigned int, const boost::property<boost::edge_weight_t, double>, boost::edge_weight_t>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:112:29:   required from 'void boost::kruskal_minimum_spanning_tree(const Graph&, OutputIterator) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<detail::edge_desc_impl<undirected_tag, long unsigned int> > >]'
bh.cpp:256:32:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:48: warning: 'this' pointer is null [-Wnonnull]
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |                             ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:37:7: note: in a call to non-static member function 'boost::Assignable<TT>::~Assignable() [with TT = boost::range_detail::integer_iterator<long unsigned int>]'
   37 |       ~model()
      |       ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:145:5: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
  145 |     BOOST_CONCEPT_USAGE(Assignable) {
      |     ^~~~~~~~~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp: In instantiation of 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::EqualityComparable<boost::range_detail::integer_iterator<long unsigned int> >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::EqualityComparable<boost::range_detail::integer_iterator<long unsigned int> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:233:5:   required from 'struct boost::EqualityComparable<boost::range_detail::integer_iterator<long unsigned int> >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:502:3:   required from 'struct boost::InputIterator<boost::range_detail::integer_iterator<long unsigned int> >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::InputIterator<boost::range_detail::integer_iterator<long unsigned int> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::InputIterator<boost::range_detail::integer_iterator<long unsigned int> > >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   [ skipping 3 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::MultiPassInputIterator<boost::range_detail::integer_iterator<long unsigned int> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:184:9:   required from 'boost::concepts::VertexListGraph<G>::~VertexListGraph() [with G = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:176:1:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::VertexListGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:55:9:   required from 'void boost::detail::kruskal_mst_impl(const Graph&, OutputIterator, Rank, Parent, Weight) [with Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<edge_desc_impl<boost::undirected_tag, long unsigned int> > >; Rank = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Parent = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Weight = boost::adj_list_edge_property_map<boost::undirected_tag, double, const double&, long unsigned int, const boost::property<boost::edge_weight_t, double>, boost::edge_weight_t>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:112:29:   required from 'void boost::kruskal_minimum_spanning_tree(const Graph&, OutputIterator) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<detail::edge_desc_impl<undirected_tag, long unsigned int> > >]'
bh.cpp:256:32:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:48: warning: 'this' pointer is null [-Wnonnull]
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |                             ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:37:7: note: in a call to non-static member function 'boost::EqualityComparable<TT>::~EqualityComparable() [with TT = boost::range_detail::integer_iterator<long unsigned int>]'
   37 |       ~model()
      |       ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:233:5: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
  233 |     BOOST_CONCEPT_USAGE(EqualityComparable) {
      |     ^~~~~~~~~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp: In instantiation of 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::InputIterator<boost::range_detail::integer_iterator<long unsigned int> >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::InputIterator<boost::range_detail::integer_iterator<long unsigned int> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:512:7:   required from 'struct boost::InputIterator<boost::range_detail::integer_iterator<long unsigned int> >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::InputIterator<boost::range_detail::integer_iterator<long unsigned int> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::InputIterator<boost::range_detail::integer_iterator<long unsigned int> > >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::InputIterator<boost::range_detail::integer_iterator<long unsigned int> > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   [ skipping 2 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::MultiPassInputIterator<boost::range_detail::integer_iterator<long unsigned int> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:184:9:   required from 'boost::concepts::VertexListGraph<G>::~VertexListGraph() [with G = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:176:1:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::VertexListGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:55:9:   required from 'void boost::detail::kruskal_mst_impl(const Graph&, OutputIterator, Rank, Parent, Weight) [with Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<edge_desc_impl<boost::undirected_tag, long unsigned int> > >; Rank = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Parent = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Weight = boost::adj_list_edge_property_map<boost::undirected_tag, double, const double&, long unsigned int, const boost::property<boost::edge_weight_t, double>, boost::edge_weight_t>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:112:29:   required from 'void boost::kruskal_minimum_spanning_tree(const Graph&, OutputIterator) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<detail::edge_desc_impl<undirected_tag, long unsigned int> > >]'
bh.cpp:256:32:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:48: warning: 'this' pointer is null [-Wnonnull]
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |                             ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:37:7: note: in a call to non-static member function 'boost::InputIterator<TT>::~InputIterator() [with TT = boost::range_detail::integer_iterator<long unsigned int>]'
   37 |       ~model()
      |       ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:512:7: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
  512 |       BOOST_CONCEPT_USAGE(InputIterator)
      |       ^~~~~~~~~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp: In instantiation of 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::Assignable<boost::detail::undirected_edge_iter<std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::Assignable<boost::detail::undirected_edge_iter<std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:145:5:   required from 'struct boost::Assignable<boost::detail::undirected_edge_iter<std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:502:3:   required from 'struct boost::InputIterator<boost::detail::undirected_edge_iter<std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::InputIterator<boost::detail::undirected_edge_iter<std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::InputIterator<boost::detail::undirected_edge_iter<std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> > >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   [ skipping 3 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::MultiPassInputIterator<boost::detail::undirected_edge_iter<std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:235:9:   required from 'boost::concepts::EdgeListGraph<G>::~EdgeListGraph() [with G = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:226:1:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::EdgeListGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:56:9:   required from 'void boost::detail::kruskal_mst_impl(const Graph&, OutputIterator, Rank, Parent, Weight) [with Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<edge_desc_impl<boost::undirected_tag, long unsigned int> > >; Rank = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Parent = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Weight = boost::adj_list_edge_property_map<boost::undirected_tag, double, const double&, long unsigned int, const boost::property<boost::edge_weight_t, double>, boost::edge_weight_t>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:112:29:   required from 'void boost::kruskal_minimum_spanning_tree(const Graph&, OutputIterator) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<detail::edge_desc_impl<undirected_tag, long unsigned int> > >]'
bh.cpp:256:32:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:48: warning: 'this' pointer is null [-Wnonnull]
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |                             ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:37:7: note: in a call to non-static member function 'boost::Assignable<TT>::~Assignable() [with TT = boost::detail::undirected_edge_iter<std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int>]'
   37 |       ~model()
      |       ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:145:5: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
  145 |     BOOST_CONCEPT_USAGE(Assignable) {
      |     ^~~~~~~~~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp: In instantiation of 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::EqualityComparable<boost::detail::undirected_edge_iter<std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::EqualityComparable<boost::detail::undirected_edge_iter<std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:233:5:   required from 'struct boost::EqualityComparable<boost::detail::undirected_edge_iter<std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:502:3:   required from 'struct boost::InputIterator<boost::detail::undirected_edge_iter<std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::InputIterator<boost::detail::undirected_edge_iter<std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::InputIterator<boost::detail::undirected_edge_iter<std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> > >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   [ skipping 3 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::MultiPassInputIterator<boost::detail::undirected_edge_iter<std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:235:9:   required from 'boost::concepts::EdgeListGraph<G>::~EdgeListGraph() [with G = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:226:1:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::EdgeListGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:56:9:   required from 'void boost::detail::kruskal_mst_impl(const Graph&, OutputIterator, Rank, Parent, Weight) [with Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<edge_desc_impl<boost::undirected_tag, long unsigned int> > >; Rank = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Parent = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Weight = boost::adj_list_edge_property_map<boost::undirected_tag, double, const double&, long unsigned int, const boost::property<boost::edge_weight_t, double>, boost::edge_weight_t>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:112:29:   required from 'void boost::kruskal_minimum_spanning_tree(const Graph&, OutputIterator) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<detail::edge_desc_impl<undirected_tag, long unsigned int> > >]'
bh.cpp:256:32:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:48: warning: 'this' pointer is null [-Wnonnull]
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |                             ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:37:7: note: in a call to non-static member function 'boost::EqualityComparable<TT>::~EqualityComparable() [with TT = boost::detail::undirected_edge_iter<std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int>]'
   37 |       ~model()
      |       ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:233:5: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
  233 |     BOOST_CONCEPT_USAGE(EqualityComparable) {
      |     ^~~~~~~~~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp: In instantiation of 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::InputIterator<boost::detail::undirected_edge_iter<std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::InputIterator<boost::detail::undirected_edge_iter<std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:512:7:   required from 'struct boost::InputIterator<boost::detail::undirected_edge_iter<std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::InputIterator<boost::detail::undirected_edge_iter<std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::InputIterator<boost::detail::undirected_edge_iter<std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> > >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::InputIterator<boost::detail::undirected_edge_iter<std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   [ skipping 2 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::MultiPassInputIterator<boost::detail::undirected_edge_iter<std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:235:9:   required from 'boost::concepts::EdgeListGraph<G>::~EdgeListGraph() [with G = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:226:1:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::EdgeListGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:56:9:   required from 'void boost::detail::kruskal_mst_impl(const Graph&, OutputIterator, Rank, Parent, Weight) [with Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<edge_desc_impl<boost::undirected_tag, long unsigned int> > >; Rank = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Parent = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Weight = boost::adj_list_edge_property_map<boost::undirected_tag, double, const double&, long unsigned int, const boost::property<boost::edge_weight_t, double>, boost::edge_weight_t>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:112:29:   required from 'void boost::kruskal_minimum_spanning_tree(const Graph&, OutputIterator) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<detail::edge_desc_impl<undirected_tag, long unsigned int> > >]'
bh.cpp:256:32:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:48: warning: 'this' pointer is null [-Wnonnull]
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |                             ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:37:7: note: in a call to non-static member function 'boost::InputIterator<TT>::~InputIterator() [with TT = boost::detail::undirected_edge_iter<std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int>]'
   37 |       ~model()
      |       ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:512:7: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
  512 |       BOOST_CONCEPT_USAGE(InputIterator)
      |       ^~~~~~~~~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::CopyConstructible<boost::topo_sort_visitor<std::back_insert_iterator<std::vector<int> > > > >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:167:5:   required from 'struct boost::CopyConstructible<boost::topo_sort_visitor<std::back_insert_iterator<std::vector<int> > > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:165:3:   required from 'struct boost::CopyConstructibleConcept<boost::topo_sort_visitor<std::back_insert_iterator<std::vector<int> > > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::CopyConstructibleConcept<boost::topo_sort_visitor<std::back_insert_iterator<std::vector<int> > > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::CopyConstructibleConcept<boost::topo_sort_visitor<std::back_insert_iterator<std::vector<int> > > > >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::CopyConstructibleConcept<boost::topo_sort_visitor<std::back_insert_iterator<std::vector<int> > > > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   [ skipping 7 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:397:42:   required from 'void boost::graph::detail::depth_first_search_impl<Graph>::operator()(const Graph&, const ArgPack&) const [with ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<boost::graph::keywords::tag::visitor, const boost::topo_sort_visitor<std::back_insert_iterator<std::vector<int> > > >, boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<boost::graph::keywords::tag::buffer, const int>, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >, std::integral_constant<bool, true> >; Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:406:5:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type boost::graph::depth_first_search_with_named_params(const Param0&, const ArgPack&) [with Param0 = boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >; ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<keywords::tag::visitor, const boost::topo_sort_visitor<std::back_insert_iterator<std::vector<int> > > >, boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<keywords::tag::buffer, const int>, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >, std::integral_constant<bool, true> >; typename boost::result_of<detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type = void]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:409:1:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const typename boost::detail::convert_bgl_params_to_boost_parameter<boost::bgl_named_params<T, Tag, Base> >::type&)>::type boost::depth_first_search(const Param0&, const bgl_named_params<T, Tag, Base>&) [with Param0 = adjacency_list<vecS, vecS, directedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_index_t, int, property<edge_weight_t, double> > >; P = topo_sort_visitor<std::back_insert_iterator<std::vector<int> > >; T = graph_visitor_t; R = bgl_named_params<int, buffer_param_t>; typename result_of<graph::detail::depth_first_search_impl<Param0>(Param0, const typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type&)>::type = void; typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type = parameter::aux::arg_list<parameter::aux::tagged_argument<graph::keywords::tag::visitor, const topo_sort_visitor<std::back_insert_iterator<std::vector<int> > > >, parameter::aux::arg_list<parameter::aux::tagged_argument<graph::keywords::tag::buffer, const int>, parameter::aux::empty_arg_list, std::integral_constant<bool, true> >, std::integral_constant<bool, true> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/topological_sort.hpp:69:23:   required from 'void boost::topological_sort(VertexListGraph&, OutputIterator, const bgl_named_params<P, T, R>&) [with VertexListGraph = adjacency_list<vecS, vecS, directedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_index_t, int, property<edge_weight_t, double> > >; OutputIterator = std::back_insert_iterator<std::vector<int> >; P = int; T = buffer_param_t; R = no_property]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/topological_sort.hpp:75:21:   required from 'void boost::topological_sort(VertexListGraph&, OutputIterator) [with VertexListGraph = adjacency_list<vecS, vecS, directedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_index_t, int, property<edge_weight_t, double> > >; OutputIterator = std::back_insert_iterator<std::vector<int> >]'
bh.cpp:280:19:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47: warning: 'this' pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:5: note: in a call to non-static member function 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::CopyConstructible<boost::topo_sort_visitor<std::back_insert_iterator<std::vector<int> > > >]'
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |     ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::CopyConstructibleConcept<boost::topo_sort_visitor<std::back_insert_iterator<std::vector<int> > > >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:41:9:   required from 'void boost::DFSVisitorConcept<Visitor, Graph>::constraints() [with Visitor = boost::topo_sort_visitor<std::back_insert_iterator<std::vector<int> > >; Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::DFSVisitorConcept<boost::topo_sort_visitor<std::back_insert_iterator<std::vector<int> > >, boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::DFSVisitorConcept<boost::topo_sort_visitor<std::back_insert_iterator<std::vector<int> > >, boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > > > >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::DFSVisitorConcept<boost::topo_sort_visitor<std::back_insert_iterator<std::vector<int> > >, boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > > > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   [ skipping 2 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:397:42:   required from 'void boost::graph::detail::depth_first_search_impl<Graph>::operator()(const Graph&, const ArgPack&) const [with ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<boost::graph::keywords::tag::visitor, const boost::topo_sort_visitor<std::back_insert_iterator<std::vector<int> > > >, boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<boost::graph::keywords::tag::buffer, const int>, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >, std::integral_constant<bool, true> >; Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:406:5:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type boost::graph::depth_first_search_with_named_params(const Param0&, const ArgPack&) [with Param0 = boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >; ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<keywords::tag::visitor, const boost::topo_sort_visitor<std::back_insert_iterator<std::vector<int> > > >, boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<keywords::tag::buffer, const int>, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >, std::integral_constant<bool, true> >; typename boost::result_of<detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type = void]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:409:1:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const typename boost::detail::convert_bgl_params_to_boost_parameter<boost::bgl_named_params<T, Tag, Base> >::type&)>::type boost::depth_first_search(const Param0&, const bgl_named_params<T, Tag, Base>&) [with Param0 = adjacency_list<vecS, vecS, directedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_index_t, int, property<edge_weight_t, double> > >; P = topo_sort_visitor<std::back_insert_iterator<std::vector<int> > >; T = graph_visitor_t; R = bgl_named_params<int, buffer_param_t>; typename result_of<graph::detail::depth_first_search_impl<Param0>(Param0, const typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type&)>::type = void; typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type = parameter::aux::arg_list<parameter::aux::tagged_argument<graph::keywords::tag::visitor, const topo_sort_visitor<std::back_insert_iterator<std::vector<int> > > >, parameter::aux::arg_list<parameter::aux::tagged_argument<graph::keywords::tag::buffer, const int>, parameter::aux::empty_arg_list, std::integral_constant<bool, true> >, std::integral_constant<bool, true> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/topological_sort.hpp:69:23:   required from 'void boost::topological_sort(VertexListGraph&, OutputIterator, const bgl_named_params<P, T, R>&) [with VertexListGraph = adjacency_list<vecS, vecS, directedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_index_t, int, property<edge_weight_t, double> > >; OutputIterator = std::back_insert_iterator<std::vector<int> >; P = int; T = buffer_param_t; R = no_property]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/topological_sort.hpp:75:21:   required from 'void boost::topological_sort(VertexListGraph&, OutputIterator) [with VertexListGraph = adjacency_list<vecS, vecS, directedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_index_t, int, property<edge_weight_t, double> > >; OutputIterator = std::back_insert_iterator<std::vector<int> >]'
bh.cpp:280:19:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47: warning: 'this' pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:165:17: note: in a call to non-static member function 'boost::CopyConstructibleConcept<boost::topo_sort_visitor<std::back_insert_iterator<std::vector<int> > > >::~CopyConstructibleConcept()'
  165 |   BOOST_concept(CopyConstructible,(TT))
      |                 ^~~~~~~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/preprocessor/cat.hpp:29:34: note: in definition of macro 'BOOST_PP_CAT_I'
   29 | #    define BOOST_PP_CAT_I(a, b) a ## b
      |                                  ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/concept_def.hpp:23:12: note: in expansion of macro 'BOOST_PP_CAT'
   23 |     struct BOOST_PP_CAT(name,Concept)                                           \
      |            ^~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:165:3: note: in expansion of macro 'BOOST_concept'
  165 |   BOOST_concept(CopyConstructible,(TT))
      |   ^~~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::concepts::Graph<boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > > > >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:66:5:   required from 'struct boost::concepts::Graph<boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:75:1:   required from 'struct boost::concepts::IncidenceGraph<boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:75:1:   required from 'struct boost::concepts::IncidenceGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::concepts::IncidenceGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::concepts::IncidenceGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > > > >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   [ skipping 4 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:397:42:   required from 'void boost::graph::detail::depth_first_search_impl<Graph>::operator()(const Graph&, const ArgPack&) const [with ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<boost::graph::keywords::tag::visitor, const boost::topo_sort_visitor<std::back_insert_iterator<std::vector<int> > > >, boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<boost::graph::keywords::tag::buffer, const int>, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >, std::integral_constant<bool, true> >; Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:406:5:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type boost::graph::depth_first_search_with_named_params(const Param0&, const ArgPack&) [with Param0 = boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >; ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<keywords::tag::visitor, const boost::topo_sort_visitor<std::back_insert_iterator<std::vector<int> > > >, boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<keywords::tag::buffer, const int>, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >, std::integral_constant<bool, true> >; typename boost::result_of<detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type = void]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:409:1:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const typename boost::detail::convert_bgl_params_to_boost_parameter<boost::bgl_named_params<T, Tag, Base> >::type&)>::type boost::depth_first_search(const Param0&, const bgl_named_params<T, Tag, Base>&) [with Param0 = adjacency_list<vecS, vecS, directedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_index_t, int, property<edge_weight_t, double> > >; P = topo_sort_visitor<std::back_insert_iterator<std::vector<int> > >; T = graph_visitor_t; R = bgl_named_params<int, buffer_param_t>; typename result_of<graph::detail::depth_first_search_impl<Param0>(Param0, const typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type&)>::type = void; typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type = parameter::aux::arg_list<parameter::aux::tagged_argument<graph::keywords::tag::visitor, const topo_sort_visitor<std::back_insert_iterator<std::vector<int> > > >, parameter::aux::arg_list<parameter::aux::tagged_argument<graph::keywords::tag::buffer, const int>, parameter::aux::empty_arg_list, std::integral_constant<bool, true> >, std::integral_constant<bool, true> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/topological_sort.hpp:69:23:   required from 'void boost::topological_sort(VertexListGraph&, OutputIterator, const bgl_named_params<P, T, R>&) [with VertexListGraph = adjacency_list<vecS, vecS, directedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_index_t, int, property<edge_weight_t, double> > >; OutputIterator = std::back_insert_iterator<std::vector<int> >; P = int; T = buffer_param_t; R = no_property]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/topological_sort.hpp:75:21:   required from 'void boost::topological_sort(VertexListGraph&, OutputIterator) [with VertexListGraph = adjacency_list<vecS, vecS, directedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_index_t, int, property<edge_weight_t, double> > >; OutputIterator = std::back_insert_iterator<std::vector<int> >]'
bh.cpp:280:19:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47: warning: 'this' pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:5: note: in a call to non-static member function 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::concepts::Graph<boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > > >]'
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |     ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::concepts::IncidenceGraph<boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > > > >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:87:5:   required from 'struct boost::concepts::IncidenceGraph<boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:75:1:   required from 'struct boost::concepts::IncidenceGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::concepts::IncidenceGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::concepts::IncidenceGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > > > >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::concepts::IncidenceGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > > > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   [ skipping 3 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:397:42:   required from 'void boost::graph::detail::depth_first_search_impl<Graph>::operator()(const Graph&, const ArgPack&) const [with ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<boost::graph::keywords::tag::visitor, const boost::topo_sort_visitor<std::back_insert_iterator<std::vector<int> > > >, boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<boost::graph::keywords::tag::buffer, const int>, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >, std::integral_constant<bool, true> >; Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:406:5:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type boost::graph::depth_first_search_with_named_params(const Param0&, const ArgPack&) [with Param0 = boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >; ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<keywords::tag::visitor, const boost::topo_sort_visitor<std::back_insert_iterator<std::vector<int> > > >, boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<keywords::tag::buffer, const int>, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >, std::integral_constant<bool, true> >; typename boost::result_of<detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type = void]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:409:1:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const typename boost::detail::convert_bgl_params_to_boost_parameter<boost::bgl_named_params<T, Tag, Base> >::type&)>::type boost::depth_first_search(const Param0&, const bgl_named_params<T, Tag, Base>&) [with Param0 = adjacency_list<vecS, vecS, directedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_index_t, int, property<edge_weight_t, double> > >; P = topo_sort_visitor<std::back_insert_iterator<std::vector<int> > >; T = graph_visitor_t; R = bgl_named_params<int, buffer_param_t>; typename result_of<graph::detail::depth_first_search_impl<Param0>(Param0, const typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type&)>::type = void; typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type = parameter::aux::arg_list<parameter::aux::tagged_argument<graph::keywords::tag::visitor, const topo_sort_visitor<std::back_insert_iterator<std::vector<int> > > >, parameter::aux::arg_list<parameter::aux::tagged_argument<graph::keywords::tag::buffer, const int>, parameter::aux::empty_arg_list, std::integral_constant<bool, true> >, std::integral_constant<bool, true> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/topological_sort.hpp:69:23:   required from 'void boost::topological_sort(VertexListGraph&, OutputIterator, const bgl_named_params<P, T, R>&) [with VertexListGraph = adjacency_list<vecS, vecS, directedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_index_t, int, property<edge_weight_t, double> > >; OutputIterator = std::back_insert_iterator<std::vector<int> >; P = int; T = buffer_param_t; R = no_property]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/topological_sort.hpp:75:21:   required from 'void boost::topological_sort(VertexListGraph&, OutputIterator) [with VertexListGraph = adjacency_list<vecS, vecS, directedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_index_t, int, property<edge_weight_t, double> > >; OutputIterator = std::back_insert_iterator<std::vector<int> >]'
bh.cpp:280:19:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47: warning: 'this' pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:5: note: in a call to non-static member function 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::concepts::IncidenceGraph<boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > > >]'
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |     ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::IncidenceGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > > >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:129:9:   required from 'void boost::detail::depth_first_visit_impl(const IncidenceGraph&, typename boost::graph_traits<Graph>::vertex_descriptor, DFSVisitor&, ColorMap, TerminatorFunc) [with IncidenceGraph = boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >; DFSVisitor = boost::topo_sort_visitor<std::back_insert_iterator<std::vector<int> > >; ColorMap = boost::shared_array_property_map<boost::default_color_type, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int> >; TerminatorFunc = nontruth2; typename boost::graph_traits<Graph>::vertex_descriptor = long unsigned int]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:286:39:   required from 'void boost::depth_first_search(const VertexListGraph&, DFSVisitor, ColorMap, typename graph_traits<Graph>::vertex_descriptor) [with VertexListGraph = adjacency_list<vecS, vecS, directedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_index_t, int, property<edge_weight_t, double> > >; DFSVisitor = topo_sort_visitor<std::back_insert_iterator<std::vector<int> > >; ColorMap = shared_array_property_map<default_color_type, vec_adj_list_vertex_id_map<property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int> >; typename graph_traits<Graph>::vertex_descriptor = long unsigned int]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:397:42:   required from 'void boost::graph::detail::depth_first_search_impl<Graph>::operator()(const Graph&, const ArgPack&) const [with ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<boost::graph::keywords::tag::visitor, const boost::topo_sort_visitor<std::back_insert_iterator<std::vector<int> > > >, boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<boost::graph::keywords::tag::buffer, const int>, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >, std::integral_constant<bool, true> >; Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:406:5:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type boost::graph::depth_first_search_with_named_params(const Param0&, const ArgPack&) [with Param0 = boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >; ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<keywords::tag::visitor, const boost::topo_sort_visitor<std::back_insert_iterator<std::vector<int> > > >, boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<keywords::tag::buffer, const int>, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >, std::integral_constant<bool, true> >; typename boost::result_of<detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type = void]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:409:1:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const typename boost::detail::convert_bgl_params_to_boost_parameter<boost::bgl_named_params<T, Tag, Base> >::type&)>::type boost::depth_first_search(const Param0&, const bgl_named_params<T, Tag, Base>&) [with Param0 = adjacency_list<vecS, vecS, directedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_index_t, int, property<edge_weight_t, double> > >; P = topo_sort_visitor<std::back_insert_iterator<std::vector<int> > >; T = graph_visitor_t; R = bgl_named_params<int, buffer_param_t>; typename result_of<graph::detail::depth_first_search_impl<Param0>(Param0, const typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type&)>::type = void; typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type = parameter::aux::arg_list<parameter::aux::tagged_argument<graph::keywords::tag::visitor, const topo_sort_visitor<std::back_insert_iterator<std::vector<int> > > >, parameter::aux::arg_list<parameter::aux::tagged_argument<graph::keywords::tag::buffer, const int>, parameter::aux::empty_arg_list, std::integral_constant<bool, true> >, std::integral_constant<bool, true> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/topological_sort.hpp:69:23:   required from 'void boost::topological_sort(VertexListGraph&, OutputIterator, const bgl_named_params<P, T, R>&) [with VertexListGraph = adjacency_list<vecS, vecS, directedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_index_t, int, property<edge_weight_t, double> > >; OutputIterator = std::back_insert_iterator<std::vector<int> >; P = int; T = buffer_param_t; R = no_property]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/topological_sort.hpp:75:21:   required from 'void boost::topological_sort(VertexListGraph&, OutputIterator) [with VertexListGraph = adjacency_list<vecS, vecS, directedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_index_t, int, property<edge_weight_t, double> > >; OutputIterator = std::back_insert_iterator<std::vector<int> >]'
bh.cpp:280:19:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47: warning: 'this' pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:75:15: note: in a call to non-static member function 'boost::concepts::IncidenceGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > > >::~IncidenceGraphConcept()'
   75 | BOOST_concept(IncidenceGraph, (G)) : Graph< G >
      |               ^~~~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/preprocessor/cat.hpp:29:34: note: in definition of macro 'BOOST_PP_CAT_I'
   29 | #    define BOOST_PP_CAT_I(a, b) a ## b
      |                                  ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/concept_def.hpp:23:12: note: in expansion of macro 'BOOST_PP_CAT'
   23 |     struct BOOST_PP_CAT(name,Concept)                                           \
      |            ^~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:75:1: note: in expansion of macro 'BOOST_concept'
   75 | BOOST_concept(IncidenceGraph, (G)) : Graph< G >
      | ^~~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::concepts::MultiPassInputIterator<boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >*, std::vector<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >, std::allocator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> > >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:52:50:   required from 'struct boost::concepts::MultiPassInputIterator<boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >*, std::vector<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >, std::allocator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::concepts::MultiPassInputIterator<boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >*, std::vector<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >, std::allocator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::concepts::MultiPassInputIterator<boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >*, std::vector<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >, std::allocator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> > >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::concepts::MultiPassInputIterator<boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >*, std::vector<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >, std::allocator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::concepts::MultiPassInputIterator<boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >*, std::vector<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >, std::allocator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> >)>'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:89:9:   [ skipping 3 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:286:39:   required from 'void boost::depth_first_search(const VertexListGraph&, DFSVisitor, ColorMap, typename graph_traits<Graph>::vertex_descriptor) [with VertexListGraph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; DFSVisitor = detail::components_recorder<int*>; ColorMap = shared_array_property_map<default_color_type, vec_adj_list_vertex_id_map<property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int> >; typename graph_traits<Graph>::vertex_descriptor = long unsigned int]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:397:42:   required from 'void boost::graph::detail::depth_first_search_impl<Graph>::operator()(const Graph&, const ArgPack&) const [with ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<boost::graph::keywords::tag::visitor, const boost::detail::components_recorder<int*> >, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >; Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:406:5:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type boost::graph::depth_first_search_with_named_params(const Param0&, const ArgPack&) [with Param0 = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<keywords::tag::visitor, const boost::detail::components_recorder<int*> >, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >; typename boost::result_of<detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type = void]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:409:1:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const typename boost::detail::convert_bgl_params_to_boost_parameter<boost::bgl_named_params<T, Tag, Base> >::type&)>::type boost::depth_first_search(const Param0&, const bgl_named_params<T, Tag, Base>&) [with Param0 = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; P = detail::components_recorder<int*>; T = graph_visitor_t; R = no_property; typename result_of<graph::detail::depth_first_search_impl<Param0>(Param0, const typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type&)>::type = void; typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type = parameter::aux::arg_list<parameter::aux::tagged_argument<graph::keywords::tag::visitor, const detail::components_recorder<int*> >, parameter::aux::empty_arg_list, std::integral_constant<bool, true> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/connected_components.hpp:106:23:   required from 'typename boost::property_traits<IndexMap>::value_type boost::connected_components(const Graph&, ComponentMap, typename enable_if_c<is_base_and_derived<vertex_list_graph_tag, typename graph_traits<Graph>::traversal_category>::value, graph::detail::no_parameter>::type) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; ComponentMap = int*; typename property_traits<IndexMap>::value_type = int; typename enable_if_c<is_base_and_derived<vertex_list_graph_tag, typename graph_traits<Graph>::traversal_category>::value, graph::detail::no_parameter>::type = graph::detail::no_parameter; typename graph_traits<Graph>::traversal_category = undir_adj_list_traversal_tag]'
bh.cpp:146:23:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47: warning: 'this' pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:5: note: in a call to non-static member function 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::concepts::MultiPassInputIterator<boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >*, std::vector<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >, std::allocator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> >]'
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |     ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::MultiPassInputIterator<boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >*, std::vector<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >, std::allocator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:89:9:   required from 'boost::concepts::IncidenceGraph<G>::~IncidenceGraph() [with G = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:75:1:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::IncidenceGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:129:9:   required from 'void boost::detail::depth_first_visit_impl(const IncidenceGraph&, typename boost::graph_traits<Graph>::vertex_descriptor, DFSVisitor&, ColorMap, TerminatorFunc) [with IncidenceGraph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; DFSVisitor = components_recorder<int*>; ColorMap = boost::shared_array_property_map<boost::default_color_type, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int> >; TerminatorFunc = nontruth2; typename boost::graph_traits<Graph>::vertex_descriptor = long unsigned int]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:286:39:   required from 'void boost::depth_first_search(const VertexListGraph&, DFSVisitor, ColorMap, typename graph_traits<Graph>::vertex_descriptor) [with VertexListGraph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; DFSVisitor = detail::components_recorder<int*>; ColorMap = shared_array_property_map<default_color_type, vec_adj_list_vertex_id_map<property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int> >; typename graph_traits<Graph>::vertex_descriptor = long unsigned int]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:397:42:   required from 'void boost::graph::detail::depth_first_search_impl<Graph>::operator()(const Graph&, const ArgPack&) const [with ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<boost::graph::keywords::tag::visitor, const boost::detail::components_recorder<int*> >, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >; Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:406:5:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type boost::graph::depth_first_search_with_named_params(const Param0&, const ArgPack&) [with Param0 = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<keywords::tag::visitor, const boost::detail::components_recorder<int*> >, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >; typename boost::result_of<detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type = void]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:409:1:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const typename boost::detail::convert_bgl_params_to_boost_parameter<boost::bgl_named_params<T, Tag, Base> >::type&)>::type boost::depth_first_search(const Param0&, const bgl_named_params<T, Tag, Base>&) [with Param0 = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; P = detail::components_recorder<int*>; T = graph_visitor_t; R = no_property; typename result_of<graph::detail::depth_first_search_impl<Param0>(Param0, const typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type&)>::type = void; typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type = parameter::aux::arg_list<parameter::aux::tagged_argument<graph::keywords::tag::visitor, const detail::components_recorder<int*> >, parameter::aux::empty_arg_list, std::integral_constant<bool, true> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/connected_components.hpp:106:23:   required from 'typename boost::property_traits<IndexMap>::value_type boost::connected_components(const Graph&, ComponentMap, typename enable_if_c<is_base_and_derived<vertex_list_graph_tag, typename graph_traits<Graph>::traversal_category>::value, graph::detail::no_parameter>::type) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; ComponentMap = int*; typename property_traits<IndexMap>::value_type = int; typename enable_if_c<is_base_and_derived<vertex_list_graph_tag, typename graph_traits<Graph>::traversal_category>::value, graph::detail::no_parameter>::type = graph::detail::no_parameter; typename graph_traits<Graph>::traversal_category = undir_adj_list_traversal_tag]'
bh.cpp:146:23:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47: warning: 'this' pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:37:7: note: in a call to non-static member function 'boost::concepts::MultiPassInputIterator<T>::~MultiPassInputIterator() [with T = boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >*, std::vector<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >, std::allocator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int>]'
   37 |       ~model()
      |       ^
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:52:50: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
   52 |     BOOST_concept(MultiPassInputIterator, (T)) { BOOST_CONCEPT_USAGE(
      |                                                  ^~~~~~~~~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::Convertible<boost::undir_adj_list_traversal_tag, boost::incidence_graph_tag> >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:208:5:   required from 'struct boost::Convertible<boost::undir_adj_list_traversal_tag, boost::incidence_graph_tag>'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::Convertible<boost::undir_adj_list_traversal_tag, boost::incidence_graph_tag>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::Convertible<boost::undir_adj_list_traversal_tag, boost::incidence_graph_tag> >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::Convertible<boost::undir_adj_list_traversal_tag, boost::incidence_graph_tag> >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::Convertible<boost::undir_adj_list_traversal_tag, boost::incidence_graph_tag>)>'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:93:9:   [ skipping 3 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:286:39:   required from 'void boost::depth_first_search(const VertexListGraph&, DFSVisitor, ColorMap, typename graph_traits<Graph>::vertex_descriptor) [with VertexListGraph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; DFSVisitor = detail::components_recorder<int*>; ColorMap = shared_array_property_map<default_color_type, vec_adj_list_vertex_id_map<property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int> >; typename graph_traits<Graph>::vertex_descriptor = long unsigned int]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:397:42:   required from 'void boost::graph::detail::depth_first_search_impl<Graph>::operator()(const Graph&, const ArgPack&) const [with ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<boost::graph::keywords::tag::visitor, const boost::detail::components_recorder<int*> >, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >; Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:406:5:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type boost::graph::depth_first_search_with_named_params(const Param0&, const ArgPack&) [with Param0 = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<keywords::tag::visitor, const boost::detail::components_recorder<int*> >, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >; typename boost::result_of<detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type = void]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:409:1:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const typename boost::detail::convert_bgl_params_to_boost_parameter<boost::bgl_named_params<T, Tag, Base> >::type&)>::type boost::depth_first_search(const Param0&, const bgl_named_params<T, Tag, Base>&) [with Param0 = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; P = detail::components_recorder<int*>; T = graph_visitor_t; R = no_property; typename result_of<graph::detail::depth_first_search_impl<Param0>(Param0, const typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type&)>::type = void; typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type = parameter::aux::arg_list<parameter::aux::tagged_argument<graph::keywords::tag::visitor, const detail::components_recorder<int*> >, parameter::aux::empty_arg_list, std::integral_constant<bool, true> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/connected_components.hpp:106:23:   required from 'typename boost::property_traits<IndexMap>::value_type boost::connected_components(const Graph&, ComponentMap, typename enable_if_c<is_base_and_derived<vertex_list_graph_tag, typename graph_traits<Graph>::traversal_category>::value, graph::detail::no_parameter>::type) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; ComponentMap = int*; typename property_traits<IndexMap>::value_type = int; typename enable_if_c<is_base_and_derived<vertex_list_graph_tag, typename graph_traits<Graph>::traversal_category>::value, graph::detail::no_parameter>::type = graph::detail::no_parameter; typename graph_traits<Graph>::traversal_category = undir_adj_list_traversal_tag]'
bh.cpp:146:23:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47: warning: 'this' pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:5: note: in a call to non-static member function 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::Convertible<boost::undir_adj_list_traversal_tag, boost::incidence_graph_tag>]'
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |     ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::Convertible<boost::undir_adj_list_traversal_tag, boost::incidence_graph_tag>]':
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:93:9:   required from 'boost::concepts::IncidenceGraph<G>::~IncidenceGraph() [with G = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:75:1:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::IncidenceGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:129:9:   required from 'void boost::detail::depth_first_visit_impl(const IncidenceGraph&, typename boost::graph_traits<Graph>::vertex_descriptor, DFSVisitor&, ColorMap, TerminatorFunc) [with IncidenceGraph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; DFSVisitor = components_recorder<int*>; ColorMap = boost::shared_array_property_map<boost::default_color_type, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int> >; TerminatorFunc = nontruth2; typename boost::graph_traits<Graph>::vertex_descriptor = long unsigned int]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:286:39:   required from 'void boost::depth_first_search(const VertexListGraph&, DFSVisitor, ColorMap, typename graph_traits<Graph>::vertex_descriptor) [with VertexListGraph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; DFSVisitor = detail::components_recorder<int*>; ColorMap = shared_array_property_map<default_color_type, vec_adj_list_vertex_id_map<property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int> >; typename graph_traits<Graph>::vertex_descriptor = long unsigned int]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:397:42:   required from 'void boost::graph::detail::depth_first_search_impl<Graph>::operator()(const Graph&, const ArgPack&) const [with ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<boost::graph::keywords::tag::visitor, const boost::detail::components_recorder<int*> >, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >; Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:406:5:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type boost::graph::depth_first_search_with_named_params(const Param0&, const ArgPack&) [with Param0 = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<keywords::tag::visitor, const boost::detail::components_recorder<int*> >, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >; typename boost::result_of<detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type = void]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:409:1:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const typename boost::detail::convert_bgl_params_to_boost_parameter<boost::bgl_named_params<T, Tag, Base> >::type&)>::type boost::depth_first_search(const Param0&, const bgl_named_params<T, Tag, Base>&) [with Param0 = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; P = detail::components_recorder<int*>; T = graph_visitor_t; R = no_property; typename result_of<graph::detail::depth_first_search_impl<Param0>(Param0, const typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type&)>::type = void; typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type = parameter::aux::arg_list<parameter::aux::tagged_argument<graph::keywords::tag::visitor, const detail::components_recorder<int*> >, parameter::aux::empty_arg_list, std::integral_constant<bool, true> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/connected_components.hpp:106:23:   required from 'typename boost::property_traits<IndexMap>::value_type boost::connected_components(const Graph&, ComponentMap, typename enable_if_c<is_base_and_derived<vertex_list_graph_tag, typename graph_traits<Graph>::traversal_category>::value, graph::detail::no_parameter>::type) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; ComponentMap = int*; typename property_traits<IndexMap>::value_type = int; typename enable_if_c<is_base_and_derived<vertex_list_graph_tag, typename graph_traits<Graph>::traversal_category>::value, graph::detail::no_parameter>::type = graph::detail::no_parameter; typename graph_traits<Graph>::traversal_category = undir_adj_list_traversal_tag]'
bh.cpp:146:23:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47: warning: 'this' pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:37:7: note: in a call to non-static member function 'boost::Convertible<X, Y>::~Convertible() [with X = boost::undir_adj_list_traversal_tag; Y = boost::incidence_graph_tag]'
   37 |       ~model()
      |       ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:208:5: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
  208 |     BOOST_CONCEPT_USAGE(Convertible) {
      |     ^~~~~~~~~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::Convertible<boost::iterators::detail::iterator_category_with_traversal<std::input_iterator_tag, boost::iterators::bidirectional_traversal_tag>, std::input_iterator_tag> >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:208:5:   required from 'struct boost::Convertible<boost::iterators::detail::iterator_category_with_traversal<std::input_iterator_tag, boost::iterators::bidirectional_traversal_tag>, std::input_iterator_tag>'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::Convertible<boost::iterators::detail::iterator_category_with_traversal<std::input_iterator_tag, boost::iterators::bidirectional_traversal_tag>, std::input_iterator_tag>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::Convertible<boost::iterators::detail::iterator_category_with_traversal<std::input_iterator_tag, boost::iterators::bidirectional_traversal_tag>, std::input_iterator_tag> >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::Convertible<boost::iterators::detail::iterator_category_with_traversal<std::input_iterator_tag, boost::iterators::bidirectional_traversal_tag>, std::input_iterator_tag> >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::Convertible<boost::iterators::detail::iterator_category_with_traversal<std::input_iterator_tag, boost::iterators::bidirectional_traversal_tag>, std::input_iterator_tag>)>'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:515:9:   [ skipping 3 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::MultiPassInputIterator<boost::detail::undirected_edge_iter<std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:235:9:   required from 'boost::concepts::EdgeListGraph<G>::~EdgeListGraph() [with G = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:226:1:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::EdgeListGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:56:9:   required from 'void boost::detail::kruskal_mst_impl(const Graph&, OutputIterator, Rank, Parent, Weight) [with Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<edge_desc_impl<boost::undirected_tag, long unsigned int> > >; Rank = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Parent = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Weight = boost::adj_list_edge_property_map<boost::undirected_tag, double, const double&, long unsigned int, const boost::property<boost::edge_weight_t, double>, boost::edge_weight_t>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:112:29:   required from 'void boost::kruskal_minimum_spanning_tree(const Graph&, OutputIterator) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<detail::edge_desc_impl<undirected_tag, long unsigned int> > >]'
bh.cpp:256:32:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47: warning: 'this' pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:5: note: in a call to non-static member function 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::Convertible<boost::iterators::detail::iterator_category_with_traversal<std::input_iterator_tag, boost::iterators::bidirectional_traversal_tag>, std::input_iterator_tag>]'
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |     ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::Convertible<boost::iterators::detail::iterator_category_with_traversal<std::input_iterator_tag, boost::iterators::bidirectional_traversal_tag>, std::input_iterator_tag>]':
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:515:9:   required from 'boost::InputIterator<TT>::~InputIterator() [with TT = boost::detail::undirected_edge_iter<std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::InputIterator<boost::detail::undirected_edge_iter<std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:53:35:   required from 'boost::concepts::MultiPassInputIterator<T>::~MultiPassInputIterator() [with T = boost::detail::undirected_edge_iter<std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::MultiPassInputIterator<boost::detail::undirected_edge_iter<std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:235:9:   required from 'boost::concepts::EdgeListGraph<G>::~EdgeListGraph() [with G = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:226:1:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::EdgeListGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:56:9:   required from 'void boost::detail::kruskal_mst_impl(const Graph&, OutputIterator, Rank, Parent, Weight) [with Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<edge_desc_impl<boost::undirected_tag, long unsigned int> > >; Rank = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Parent = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Weight = boost::adj_list_edge_property_map<boost::undirected_tag, double, const double&, long unsigned int, const boost::property<boost::edge_weight_t, double>, boost::edge_weight_t>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:112:29:   required from 'void boost::kruskal_minimum_spanning_tree(const Graph&, OutputIterator) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<detail::edge_desc_impl<undirected_tag, long unsigned int> > >]'
bh.cpp:256:32:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47: warning: 'this' pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:37:7: note: in a call to non-static member function 'boost::Convertible<X, Y>::~Convertible() [with X = boost::iterators::detail::iterator_category_with_traversal<std::input_iterator_tag, boost::iterators::bidirectional_traversal_tag>; Y = std::input_iterator_tag]'
   37 |       ~model()
      |       ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:208:5: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
  208 |     BOOST_CONCEPT_USAGE(Convertible) {
      |     ^~~~~~~~~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp: In instantiation of 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::CopyConstructible<boost::topo_sort_visitor<std::back_insert_iterator<std::vector<int> > > >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::CopyConstructible<boost::topo_sort_visitor<std::back_insert_iterator<std::vector<int> > > > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:167:5:   required from 'struct boost::CopyConstructible<boost::topo_sort_visitor<std::back_insert_iterator<std::vector<int> > > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:165:3:   required from 'struct boost::CopyConstructibleConcept<boost::topo_sort_visitor<std::back_insert_iterator<std::vector<int> > > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::CopyConstructibleConcept<boost::topo_sort_visitor<std::back_insert_iterator<std::vector<int> > > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::CopyConstructibleConcept<boost::topo_sort_visitor<std::back_insert_iterator<std::vector<int> > > > >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   [ skipping 8 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:397:42:   required from 'void boost::graph::detail::depth_first_search_impl<Graph>::operator()(const Graph&, const ArgPack&) const [with ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<boost::graph::keywords::tag::visitor, const boost::topo_sort_visitor<std::back_insert_iterator<std::vector<int> > > >, boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<boost::graph::keywords::tag::buffer, const int>, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >, std::integral_constant<bool, true> >; Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:406:5:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type boost::graph::depth_first_search_with_named_params(const Param0&, const ArgPack&) [with Param0 = boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >; ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<keywords::tag::visitor, const boost::topo_sort_visitor<std::back_insert_iterator<std::vector<int> > > >, boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<keywords::tag::buffer, const int>, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >, std::integral_constant<bool, true> >; typename boost::result_of<detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type = void]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:409:1:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const typename boost::detail::convert_bgl_params_to_boost_parameter<boost::bgl_named_params<T, Tag, Base> >::type&)>::type boost::depth_first_search(const Param0&, const bgl_named_params<T, Tag, Base>&) [with Param0 = adjacency_list<vecS, vecS, directedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_index_t, int, property<edge_weight_t, double> > >; P = topo_sort_visitor<std::back_insert_iterator<std::vector<int> > >; T = graph_visitor_t; R = bgl_named_params<int, buffer_param_t>; typename result_of<graph::detail::depth_first_search_impl<Param0>(Param0, const typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type&)>::type = void; typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type = parameter::aux::arg_list<parameter::aux::tagged_argument<graph::keywords::tag::visitor, const topo_sort_visitor<std::back_insert_iterator<std::vector<int> > > >, parameter::aux::arg_list<parameter::aux::tagged_argument<graph::keywords::tag::buffer, const int>, parameter::aux::empty_arg_list, std::integral_constant<bool, true> >, std::integral_constant<bool, true> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/topological_sort.hpp:69:23:   required from 'void boost::topological_sort(VertexListGraph&, OutputIterator, const bgl_named_params<P, T, R>&) [with VertexListGraph = adjacency_list<vecS, vecS, directedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_index_t, int, property<edge_weight_t, double> > >; OutputIterator = std::back_insert_iterator<std::vector<int> >; P = int; T = buffer_param_t; R = no_property]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/topological_sort.hpp:75:21:   required from 'void boost::topological_sort(VertexListGraph&, OutputIterator) [with VertexListGraph = adjacency_list<vecS, vecS, directedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_index_t, int, property<edge_weight_t, double> > >; OutputIterator = std::back_insert_iterator<std::vector<int> >]'
bh.cpp:280:19:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:48: warning: 'this' pointer is null [-Wnonnull]
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |                             ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:37:7: note: in a call to non-static member function 'boost::CopyConstructible<TT>::~CopyConstructible() [with TT = boost::topo_sort_visitor<std::back_insert_iterator<std::vector<int> > >]'
   37 |       ~model()
      |       ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:167:5: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
  167 |     BOOST_CONCEPT_USAGE(CopyConstructible) {
      |     ^~~~~~~~~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp: In instantiation of 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::concepts::Graph<boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > > >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::concepts::Graph<boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > > > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:66:5:   required from 'struct boost::concepts::Graph<boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:75:1:   required from 'struct boost::concepts::IncidenceGraph<boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:75:1:   required from 'struct boost::concepts::IncidenceGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::concepts::IncidenceGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   [ skipping 5 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:397:42:   required from 'void boost::graph::detail::depth_first_search_impl<Graph>::operator()(const Graph&, const ArgPack&) const [with ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<boost::graph::keywords::tag::visitor, const boost::topo_sort_visitor<std::back_insert_iterator<std::vector<int> > > >, boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<boost::graph::keywords::tag::buffer, const int>, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >, std::integral_constant<bool, true> >; Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:406:5:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type boost::graph::depth_first_search_with_named_params(const Param0&, const ArgPack&) [with Param0 = boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >; ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<keywords::tag::visitor, const boost::topo_sort_visitor<std::back_insert_iterator<std::vector<int> > > >, boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<keywords::tag::buffer, const int>, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >, std::integral_constant<bool, true> >; typename boost::result_of<detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type = void]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:409:1:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const typename boost::detail::convert_bgl_params_to_boost_parameter<boost::bgl_named_params<T, Tag, Base> >::type&)>::type boost::depth_first_search(const Param0&, const bgl_named_params<T, Tag, Base>&) [with Param0 = adjacency_list<vecS, vecS, directedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_index_t, int, property<edge_weight_t, double> > >; P = topo_sort_visitor<std::back_insert_iterator<std::vector<int> > >; T = graph_visitor_t; R = bgl_named_params<int, buffer_param_t>; typename result_of<graph::detail::depth_first_search_impl<Param0>(Param0, const typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type&)>::type = void; typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type = parameter::aux::arg_list<parameter::aux::tagged_argument<graph::keywords::tag::visitor, const topo_sort_visitor<std::back_insert_iterator<std::vector<int> > > >, parameter::aux::arg_list<parameter::aux::tagged_argument<graph::keywords::tag::buffer, const int>, parameter::aux::empty_arg_list, std::integral_constant<bool, true> >, std::integral_constant<bool, true> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/topological_sort.hpp:69:23:   required from 'void boost::topological_sort(VertexListGraph&, OutputIterator, const bgl_named_params<P, T, R>&) [with VertexListGraph = adjacency_list<vecS, vecS, directedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_index_t, int, property<edge_weight_t, double> > >; OutputIterator = std::back_insert_iterator<std::vector<int> >; P = int; T = buffer_param_t; R = no_property]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/topological_sort.hpp:75:21:   required from 'void boost::topological_sort(VertexListGraph&, OutputIterator) [with VertexListGraph = adjacency_list<vecS, vecS, directedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_index_t, int, property<edge_weight_t, double> > >; OutputIterator = std::back_insert_iterator<std::vector<int> >]'
bh.cpp:280:19:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:48: warning: 'this' pointer is null [-Wnonnull]
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |                             ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:37:7: note: in a call to non-static member function 'boost::concepts::Graph<G>::~Graph() [with G = boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >]'
   37 |       ~model()
      |       ^
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:66:5: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
   66 |     BOOST_CONCEPT_USAGE(Graph)
      |     ^~~~~~~~~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp: In instantiation of 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::concepts::IncidenceGraph<boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > > >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::concepts::IncidenceGraph<boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > > > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:87:5:   required from 'struct boost::concepts::IncidenceGraph<boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:75:1:   required from 'struct boost::concepts::IncidenceGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::concepts::IncidenceGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::concepts::IncidenceGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > > > >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   [ skipping 4 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:397:42:   required from 'void boost::graph::detail::depth_first_search_impl<Graph>::operator()(const Graph&, const ArgPack&) const [with ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<boost::graph::keywords::tag::visitor, const boost::topo_sort_visitor<std::back_insert_iterator<std::vector<int> > > >, boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<boost::graph::keywords::tag::buffer, const int>, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >, std::integral_constant<bool, true> >; Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:406:5:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type boost::graph::depth_first_search_with_named_params(const Param0&, const ArgPack&) [with Param0 = boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >; ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<keywords::tag::visitor, const boost::topo_sort_visitor<std::back_insert_iterator<std::vector<int> > > >, boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<keywords::tag::buffer, const int>, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >, std::integral_constant<bool, true> >; typename boost::result_of<detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type = void]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:409:1:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const typename boost::detail::convert_bgl_params_to_boost_parameter<boost::bgl_named_params<T, Tag, Base> >::type&)>::type boost::depth_first_search(const Param0&, const bgl_named_params<T, Tag, Base>&) [with Param0 = adjacency_list<vecS, vecS, directedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_index_t, int, property<edge_weight_t, double> > >; P = topo_sort_visitor<std::back_insert_iterator<std::vector<int> > >; T = graph_visitor_t; R = bgl_named_params<int, buffer_param_t>; typename result_of<graph::detail::depth_first_search_impl<Param0>(Param0, const typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type&)>::type = void; typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type = parameter::aux::arg_list<parameter::aux::tagged_argument<graph::keywords::tag::visitor, const topo_sort_visitor<std::back_insert_iterator<std::vector<int> > > >, parameter::aux::arg_list<parameter::aux::tagged_argument<graph::keywords::tag::buffer, const int>, parameter::aux::empty_arg_list, std::integral_constant<bool, true> >, std::integral_constant<bool, true> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/topological_sort.hpp:69:23:   required from 'void boost::topological_sort(VertexListGraph&, OutputIterator, const bgl_named_params<P, T, R>&) [with VertexListGraph = adjacency_list<vecS, vecS, directedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_index_t, int, property<edge_weight_t, double> > >; OutputIterator = std::back_insert_iterator<std::vector<int> >; P = int; T = buffer_param_t; R = no_property]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/topological_sort.hpp:75:21:   required from 'void boost::topological_sort(VertexListGraph&, OutputIterator) [with VertexListGraph = adjacency_list<vecS, vecS, directedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_index_t, int, property<edge_weight_t, double> > >; OutputIterator = std::back_insert_iterator<std::vector<int> >]'
bh.cpp:280:19:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:48: warning: 'this' pointer is null [-Wnonnull]
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |                             ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:37:7: note: in a call to non-static member function 'boost::concepts::IncidenceGraph<G>::~IncidenceGraph() [with G = boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >]'
   37 |       ~model()
      |       ^
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:87:5: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
   87 |     BOOST_CONCEPT_USAGE(IncidenceGraph)
      |     ^~~~~~~~~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp: In instantiation of 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::concepts::MultiPassInputIterator<boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >*, std::vector<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >, std::allocator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::concepts::MultiPassInputIterator<boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >*, std::vector<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >, std::allocator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:52:50:   required from 'struct boost::concepts::MultiPassInputIterator<boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >*, std::vector<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >, std::allocator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::concepts::MultiPassInputIterator<boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >*, std::vector<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >, std::allocator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::concepts::MultiPassInputIterator<boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >*, std::vector<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >, std::allocator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> > >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::concepts::MultiPassInputIterator<boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >*, std::vector<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >, std::allocator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   [ skipping 4 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:286:39:   required from 'void boost::depth_first_search(const VertexListGraph&, DFSVisitor, ColorMap, typename graph_traits<Graph>::vertex_descriptor) [with VertexListGraph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; DFSVisitor = detail::components_recorder<int*>; ColorMap = shared_array_property_map<default_color_type, vec_adj_list_vertex_id_map<property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int> >; typename graph_traits<Graph>::vertex_descriptor = long unsigned int]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:397:42:   required from 'void boost::graph::detail::depth_first_search_impl<Graph>::operator()(const Graph&, const ArgPack&) const [with ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<boost::graph::keywords::tag::visitor, const boost::detail::components_recorder<int*> >, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >; Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:406:5:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type boost::graph::depth_first_search_with_named_params(const Param0&, const ArgPack&) [with Param0 = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<keywords::tag::visitor, const boost::detail::components_recorder<int*> >, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >; typename boost::result_of<detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type = void]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:409:1:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const typename boost::detail::convert_bgl_params_to_boost_parameter<boost::bgl_named_params<T, Tag, Base> >::type&)>::type boost::depth_first_search(const Param0&, const bgl_named_params<T, Tag, Base>&) [with Param0 = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; P = detail::components_recorder<int*>; T = graph_visitor_t; R = no_property; typename result_of<graph::detail::depth_first_search_impl<Param0>(Param0, const typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type&)>::type = void; typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type = parameter::aux::arg_list<parameter::aux::tagged_argument<graph::keywords::tag::visitor, const detail::components_recorder<int*> >, parameter::aux::empty_arg_list, std::integral_constant<bool, true> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/connected_components.hpp:106:23:   required from 'typename boost::property_traits<IndexMap>::value_type boost::connected_components(const Graph&, ComponentMap, typename enable_if_c<is_base_and_derived<vertex_list_graph_tag, typename graph_traits<Graph>::traversal_category>::value, graph::detail::no_parameter>::type) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; ComponentMap = int*; typename property_traits<IndexMap>::value_type = int; typename enable_if_c<is_base_and_derived<vertex_list_graph_tag, typename graph_traits<Graph>::traversal_category>::value, graph::detail::no_parameter>::type = graph::detail::no_parameter; typename graph_traits<Graph>::traversal_category = undir_adj_list_traversal_tag]'
bh.cpp:146:23:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:48: warning: 'this' pointer is null [-Wnonnull]
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |                             ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:37:7: note: in a call to non-static member function 'boost::concepts::MultiPassInputIterator<T>::~MultiPassInputIterator() [with T = boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >*, std::vector<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >, std::allocator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int>]'
   37 |       ~model()
      |       ^
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:52:50: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
   52 |     BOOST_concept(MultiPassInputIterator, (T)) { BOOST_CONCEPT_USAGE(
      |                                                  ^~~~~~~~~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp: In instantiation of 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::Convertible<boost::undir_adj_list_traversal_tag, boost::incidence_graph_tag>]':
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::Convertible<boost::undir_adj_list_traversal_tag, boost::incidence_graph_tag> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:208:5:   required from 'struct boost::Convertible<boost::undir_adj_list_traversal_tag, boost::incidence_graph_tag>'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::Convertible<boost::undir_adj_list_traversal_tag, boost::incidence_graph_tag>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::Convertible<boost::undir_adj_list_traversal_tag, boost::incidence_graph_tag> >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::Convertible<boost::undir_adj_list_traversal_tag, boost::incidence_graph_tag> >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   [ skipping 4 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:286:39:   required from 'void boost::depth_first_search(const VertexListGraph&, DFSVisitor, ColorMap, typename graph_traits<Graph>::vertex_descriptor) [with VertexListGraph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; DFSVisitor = detail::components_recorder<int*>; ColorMap = shared_array_property_map<default_color_type, vec_adj_list_vertex_id_map<property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int> >; typename graph_traits<Graph>::vertex_descriptor = long unsigned int]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:397:42:   required from 'void boost::graph::detail::depth_first_search_impl<Graph>::operator()(const Graph&, const ArgPack&) const [with ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<boost::graph::keywords::tag::visitor, const boost::detail::components_recorder<int*> >, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >; Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:406:5:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type boost::graph::depth_first_search_with_named_params(const Param0&, const ArgPack&) [with Param0 = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<keywords::tag::visitor, const boost::detail::components_recorder<int*> >, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >; typename boost::result_of<detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type = void]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:409:1:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const typename boost::detail::convert_bgl_params_to_boost_parameter<boost::bgl_named_params<T, Tag, Base> >::type&)>::type boost::depth_first_search(const Param0&, const bgl_named_params<T, Tag, Base>&) [with Param0 = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; P = detail::components_recorder<int*>; T = graph_visitor_t; R = no_property; typename result_of<graph::detail::depth_first_search_impl<Param0>(Param0, const typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type&)>::type = void; typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type = parameter::aux::arg_list<parameter::aux::tagged_argument<graph::keywords::tag::visitor, const detail::components_recorder<int*> >, parameter::aux::empty_arg_list, std::integral_constant<bool, true> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/connected_components.hpp:106:23:   required from 'typename boost::property_traits<IndexMap>::value_type boost::connected_components(const Graph&, ComponentMap, typename enable_if_c<is_base_and_derived<vertex_list_graph_tag, typename graph_traits<Graph>::traversal_category>::value, graph::detail::no_parameter>::type) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; ComponentMap = int*; typename property_traits<IndexMap>::value_type = int; typename enable_if_c<is_base_and_derived<vertex_list_graph_tag, typename graph_traits<Graph>::traversal_category>::value, graph::detail::no_parameter>::type = graph::detail::no_parameter; typename graph_traits<Graph>::traversal_category = undir_adj_list_traversal_tag]'
bh.cpp:146:23:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:48: warning: 'this' pointer is null [-Wnonnull]
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |                             ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:37:7: note: in a call to non-static member function 'boost::Convertible<X, Y>::~Convertible() [with X = boost::undir_adj_list_traversal_tag; Y = boost::incidence_graph_tag]'
   37 |       ~model()
      |       ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:208:5: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
  208 |     BOOST_CONCEPT_USAGE(Convertible) {
      |     ^~~~~~~~~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp: In instantiation of 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::Convertible<boost::iterators::detail::iterator_category_with_traversal<std::input_iterator_tag, boost::iterators::bidirectional_traversal_tag>, std::input_iterator_tag>]':
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::Convertible<boost::iterators::detail::iterator_category_with_traversal<std::input_iterator_tag, boost::iterators::bidirectional_traversal_tag>, std::input_iterator_tag> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:208:5:   required from 'struct boost::Convertible<boost::iterators::detail::iterator_category_with_traversal<std::input_iterator_tag, boost::iterators::bidirectional_traversal_tag>, std::input_iterator_tag>'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::Convertible<boost::iterators::detail::iterator_category_with_traversal<std::input_iterator_tag, boost::iterators::bidirectional_traversal_tag>, std::input_iterator_tag>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::Convertible<boost::iterators::detail::iterator_category_with_traversal<std::input_iterator_tag, boost::iterators::bidirectional_traversal_tag>, std::input_iterator_tag> >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::Convertible<boost::iterators::detail::iterator_category_with_traversal<std::input_iterator_tag, boost::iterators::bidirectional_traversal_tag>, std::input_iterator_tag> >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   [ skipping 4 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::MultiPassInputIterator<boost::detail::undirected_edge_iter<std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:235:9:   required from 'boost::concepts::EdgeListGraph<G>::~EdgeListGraph() [with G = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:226:1:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::EdgeListGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:56:9:   required from 'void boost::detail::kruskal_mst_impl(const Graph&, OutputIterator, Rank, Parent, Weight) [with Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<edge_desc_impl<boost::undirected_tag, long unsigned int> > >; Rank = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Parent = boost::iterator_property_map<__gnu_cxx::__normal_iterator<long unsigned int*, std::vector<long unsigned int, std::allocator<long unsigned int> > >, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int>, long unsigned int, long unsigned int&>; Weight = boost::adj_list_edge_property_map<boost::undirected_tag, double, const double&, long unsigned int, const boost::property<boost::edge_weight_t, double>, boost::edge_weight_t>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/kruskal_min_spanning_tree.hpp:112:29:   required from 'void boost::kruskal_minimum_spanning_tree(const Graph&, OutputIterator) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; OutputIterator = std::back_insert_iterator<std::vector<detail::edge_desc_impl<undirected_tag, long unsigned int> > >]'
bh.cpp:256:32:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:48: warning: 'this' pointer is null [-Wnonnull]
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |                             ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:37:7: note: in a call to non-static member function 'boost::Convertible<X, Y>::~Convertible() [with X = boost::iterators::detail::iterator_category_with_traversal<std::input_iterator_tag, boost::iterators::bidirectional_traversal_tag>; Y = std::input_iterator_tag]'
   37 |       ~model()
      |       ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:208:5: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
  208 |     BOOST_CONCEPT_USAGE(Convertible) {
      |     ^~~~~~~~~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::concepts::MultiPassInputIterator<boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >*, std::vector<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >, std::allocator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::directed_tag, long unsigned int>, long int> > >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:52:50:   required from 'struct boost::concepts::MultiPassInputIterator<boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >*, std::vector<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >, std::allocator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::directed_tag, long unsigned int>, long int> >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::concepts::MultiPassInputIterator<boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >*, std::vector<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >, std::allocator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::directed_tag, long unsigned int>, long int> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::concepts::MultiPassInputIterator<boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >*, std::vector<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >, std::allocator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::directed_tag, long unsigned int>, long int> > >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::concepts::MultiPassInputIterator<boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >*, std::vector<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >, std::allocator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::directed_tag, long unsigned int>, long int> > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::concepts::MultiPassInputIterator<boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >*, std::vector<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >, std::allocator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::directed_tag, long unsigned int>, long int> >)>'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:89:9:   [ skipping 4 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:397:42:   required from 'void boost::graph::detail::depth_first_search_impl<Graph>::operator()(const Graph&, const ArgPack&) const [with ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<boost::graph::keywords::tag::visitor, const boost::topo_sort_visitor<std::back_insert_iterator<std::vector<int> > > >, boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<boost::graph::keywords::tag::buffer, const int>, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >, std::integral_constant<bool, true> >; Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:406:5:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type boost::graph::depth_first_search_with_named_params(const Param0&, const ArgPack&) [with Param0 = boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >; ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<keywords::tag::visitor, const boost::topo_sort_visitor<std::back_insert_iterator<std::vector<int> > > >, boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<keywords::tag::buffer, const int>, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >, std::integral_constant<bool, true> >; typename boost::result_of<detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type = void]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:409:1:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const typename boost::detail::convert_bgl_params_to_boost_parameter<boost::bgl_named_params<T, Tag, Base> >::type&)>::type boost::depth_first_search(const Param0&, const bgl_named_params<T, Tag, Base>&) [with Param0 = adjacency_list<vecS, vecS, directedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_index_t, int, property<edge_weight_t, double> > >; P = topo_sort_visitor<std::back_insert_iterator<std::vector<int> > >; T = graph_visitor_t; R = bgl_named_params<int, buffer_param_t>; typename result_of<graph::detail::depth_first_search_impl<Param0>(Param0, const typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type&)>::type = void; typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type = parameter::aux::arg_list<parameter::aux::tagged_argument<graph::keywords::tag::visitor, const topo_sort_visitor<std::back_insert_iterator<std::vector<int> > > >, parameter::aux::arg_list<parameter::aux::tagged_argument<graph::keywords::tag::buffer, const int>, parameter::aux::empty_arg_list, std::integral_constant<bool, true> >, std::integral_constant<bool, true> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/topological_sort.hpp:69:23:   required from 'void boost::topological_sort(VertexListGraph&, OutputIterator, const bgl_named_params<P, T, R>&) [with VertexListGraph = adjacency_list<vecS, vecS, directedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_index_t, int, property<edge_weight_t, double> > >; OutputIterator = std::back_insert_iterator<std::vector<int> >; P = int; T = buffer_param_t; R = no_property]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/topological_sort.hpp:75:21:   required from 'void boost::topological_sort(VertexListGraph&, OutputIterator) [with VertexListGraph = adjacency_list<vecS, vecS, directedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_index_t, int, property<edge_weight_t, double> > >; OutputIterator = std::back_insert_iterator<std::vector<int> >]'
bh.cpp:280:19:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47: warning: 'this' pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:5: note: in a call to non-static member function 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::concepts::MultiPassInputIterator<boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >*, std::vector<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >, std::allocator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::directed_tag, long unsigned int>, long int> >]'
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |     ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::MultiPassInputIterator<boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >*, std::vector<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >, std::allocator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::directed_tag, long unsigned int>, long int> >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:89:9:   required from 'boost::concepts::IncidenceGraph<G>::~IncidenceGraph() [with G = boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:75:1:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::IncidenceGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:129:9:   required from 'void boost::detail::depth_first_visit_impl(const IncidenceGraph&, typename boost::graph_traits<Graph>::vertex_descriptor, DFSVisitor&, ColorMap, TerminatorFunc) [with IncidenceGraph = boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >; DFSVisitor = boost::topo_sort_visitor<std::back_insert_iterator<std::vector<int> > >; ColorMap = boost::shared_array_property_map<boost::default_color_type, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int> >; TerminatorFunc = nontruth2; typename boost::graph_traits<Graph>::vertex_descriptor = long unsigned int]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:286:39:   required from 'void boost::depth_first_search(const VertexListGraph&, DFSVisitor, ColorMap, typename graph_traits<Graph>::vertex_descriptor) [with VertexListGraph = adjacency_list<vecS, vecS, directedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_index_t, int, property<edge_weight_t, double> > >; DFSVisitor = topo_sort_visitor<std::back_insert_iterator<std::vector<int> > >; ColorMap = shared_array_property_map<default_color_type, vec_adj_list_vertex_id_map<property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int> >; typename graph_traits<Graph>::vertex_descriptor = long unsigned int]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:397:42:   required from 'void boost::graph::detail::depth_first_search_impl<Graph>::operator()(const Graph&, const ArgPack&) const [with ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<boost::graph::keywords::tag::visitor, const boost::topo_sort_visitor<std::back_insert_iterator<std::vector<int> > > >, boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<boost::graph::keywords::tag::buffer, const int>, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >, std::integral_constant<bool, true> >; Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:406:5:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type boost::graph::depth_first_search_with_named_params(const Param0&, const ArgPack&) [with Param0 = boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >; ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<keywords::tag::visitor, const boost::topo_sort_visitor<std::back_insert_iterator<std::vector<int> > > >, boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<keywords::tag::buffer, const int>, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >, std::integral_constant<bool, true> >; typename boost::result_of<detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type = void]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:409:1:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const typename boost::detail::convert_bgl_params_to_boost_parameter<boost::bgl_named_params<T, Tag, Base> >::type&)>::type boost::depth_first_search(const Param0&, const bgl_named_params<T, Tag, Base>&) [with Param0 = adjacency_list<vecS, vecS, directedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_index_t, int, property<edge_weight_t, double> > >; P = topo_sort_visitor<std::back_insert_iterator<std::vector<int> > >; T = graph_visitor_t; R = bgl_named_params<int, buffer_param_t>; typename result_of<graph::detail::depth_first_search_impl<Param0>(Param0, const typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type&)>::type = void; typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type = parameter::aux::arg_list<parameter::aux::tagged_argument<graph::keywords::tag::visitor, const topo_sort_visitor<std::back_insert_iterator<std::vector<int> > > >, parameter::aux::arg_list<parameter::aux::tagged_argument<graph::keywords::tag::buffer, const int>, parameter::aux::empty_arg_list, std::integral_constant<bool, true> >, std::integral_constant<bool, true> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/topological_sort.hpp:69:23:   required from 'void boost::topological_sort(VertexListGraph&, OutputIterator, const bgl_named_params<P, T, R>&) [with VertexListGraph = adjacency_list<vecS, vecS, directedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_index_t, int, property<edge_weight_t, double> > >; OutputIterator = std::back_insert_iterator<std::vector<int> >; P = int; T = buffer_param_t; R = no_property]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/topological_sort.hpp:75:21:   required from 'void boost::topological_sort(VertexListGraph&, OutputIterator) [with VertexListGraph = adjacency_list<vecS, vecS, directedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_index_t, int, property<edge_weight_t, double> > >; OutputIterator = std::back_insert_iterator<std::vector<int> >]'
bh.cpp:280:19:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47: warning: 'this' pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:37:7: note: in a call to non-static member function 'boost::concepts::MultiPassInputIterator<T>::~MultiPassInputIterator() [with T = boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >*, std::vector<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >, std::allocator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::directed_tag, long unsigned int>, long int>]'
   37 |       ~model()
      |       ^
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:52:50: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
   52 |     BOOST_concept(MultiPassInputIterator, (T)) { BOOST_CONCEPT_USAGE(
      |                                                  ^~~~~~~~~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::DefaultConstructible<boost::detail::edge_desc_impl<boost::directed_tag, long unsigned int> > >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:137:5:   required from 'struct boost::DefaultConstructible<boost::detail::edge_desc_impl<boost::directed_tag, long unsigned int> >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::DefaultConstructible<boost::detail::edge_desc_impl<boost::directed_tag, long unsigned int> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::DefaultConstructible<boost::detail::edge_desc_impl<boost::directed_tag, long unsigned int> > >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::DefaultConstructible<boost::detail::edge_desc_impl<boost::directed_tag, long unsigned int> > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::DefaultConstructible<boost::detail::edge_desc_impl<boost::directed_tag, long unsigned int> >)>'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:90:9:   [ skipping 4 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:397:42:   required from 'void boost::graph::detail::depth_first_search_impl<Graph>::operator()(const Graph&, const ArgPack&) const [with ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<boost::graph::keywords::tag::visitor, const boost::topo_sort_visitor<std::back_insert_iterator<std::vector<int> > > >, boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<boost::graph::keywords::tag::buffer, const int>, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >, std::integral_constant<bool, true> >; Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:406:5:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type boost::graph::depth_first_search_with_named_params(const Param0&, const ArgPack&) [with Param0 = boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >; ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<keywords::tag::visitor, const boost::topo_sort_visitor<std::back_insert_iterator<std::vector<int> > > >, boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<keywords::tag::buffer, const int>, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >, std::integral_constant<bool, true> >; typename boost::result_of<detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type = void]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:409:1:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const typename boost::detail::convert_bgl_params_to_boost_parameter<boost::bgl_named_params<T, Tag, Base> >::type&)>::type boost::depth_first_search(const Param0&, const bgl_named_params<T, Tag, Base>&) [with Param0 = adjacency_list<vecS, vecS, directedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_index_t, int, property<edge_weight_t, double> > >; P = topo_sort_visitor<std::back_insert_iterator<std::vector<int> > >; T = graph_visitor_t; R = bgl_named_params<int, buffer_param_t>; typename result_of<graph::detail::depth_first_search_impl<Param0>(Param0, const typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type&)>::type = void; typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type = parameter::aux::arg_list<parameter::aux::tagged_argument<graph::keywords::tag::visitor, const topo_sort_visitor<std::back_insert_iterator<std::vector<int> > > >, parameter::aux::arg_list<parameter::aux::tagged_argument<graph::keywords::tag::buffer, const int>, parameter::aux::empty_arg_list, std::integral_constant<bool, true> >, std::integral_constant<bool, true> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/topological_sort.hpp:69:23:   required from 'void boost::topological_sort(VertexListGraph&, OutputIterator, const bgl_named_params<P, T, R>&) [with VertexListGraph = adjacency_list<vecS, vecS, directedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_index_t, int, property<edge_weight_t, double> > >; OutputIterator = std::back_insert_iterator<std::vector<int> >; P = int; T = buffer_param_t; R = no_property]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/topological_sort.hpp:75:21:   required from 'void boost::topological_sort(VertexListGraph&, OutputIterator) [with VertexListGraph = adjacency_list<vecS, vecS, directedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_index_t, int, property<edge_weight_t, double> > >; OutputIterator = std::back_insert_iterator<std::vector<int> >]'
bh.cpp:280:19:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47: warning: 'this' pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:5: note: in a call to non-static member function 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::DefaultConstructible<boost::detail::edge_desc_impl<boost::directed_tag, long unsigned int> >]'
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |     ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::DefaultConstructible<boost::detail::edge_desc_impl<boost::directed_tag, long unsigned int> >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:90:9:   required from 'boost::concepts::IncidenceGraph<G>::~IncidenceGraph() [with G = boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:75:1:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::IncidenceGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:129:9:   required from 'void boost::detail::depth_first_visit_impl(const IncidenceGraph&, typename boost::graph_traits<Graph>::vertex_descriptor, DFSVisitor&, ColorMap, TerminatorFunc) [with IncidenceGraph = boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >; DFSVisitor = boost::topo_sort_visitor<std::back_insert_iterator<std::vector<int> > >; ColorMap = boost::shared_array_property_map<boost::default_color_type, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int> >; TerminatorFunc = nontruth2; typename boost::graph_traits<Graph>::vertex_descriptor = long unsigned int]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:286:39:   required from 'void boost::depth_first_search(const VertexListGraph&, DFSVisitor, ColorMap, typename graph_traits<Graph>::vertex_descriptor) [with VertexListGraph = adjacency_list<vecS, vecS, directedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_index_t, int, property<edge_weight_t, double> > >; DFSVisitor = topo_sort_visitor<std::back_insert_iterator<std::vector<int> > >; ColorMap = shared_array_property_map<default_color_type, vec_adj_list_vertex_id_map<property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int> >; typename graph_traits<Graph>::vertex_descriptor = long unsigned int]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:397:42:   required from 'void boost::graph::detail::depth_first_search_impl<Graph>::operator()(const Graph&, const ArgPack&) const [with ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<boost::graph::keywords::tag::visitor, const boost::topo_sort_visitor<std::back_insert_iterator<std::vector<int> > > >, boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<boost::graph::keywords::tag::buffer, const int>, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >, std::integral_constant<bool, true> >; Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:406:5:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type boost::graph::depth_first_search_with_named_params(const Param0&, const ArgPack&) [with Param0 = boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >; ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<keywords::tag::visitor, const boost::topo_sort_visitor<std::back_insert_iterator<std::vector<int> > > >, boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<keywords::tag::buffer, const int>, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >, std::integral_constant<bool, true> >; typename boost::result_of<detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type = void]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:409:1:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const typename boost::detail::convert_bgl_params_to_boost_parameter<boost::bgl_named_params<T, Tag, Base> >::type&)>::type boost::depth_first_search(const Param0&, const bgl_named_params<T, Tag, Base>&) [with Param0 = adjacency_list<vecS, vecS, directedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_index_t, int, property<edge_weight_t, double> > >; P = topo_sort_visitor<std::back_insert_iterator<std::vector<int> > >; T = graph_visitor_t; R = bgl_named_params<int, buffer_param_t>; typename result_of<graph::detail::depth_first_search_impl<Param0>(Param0, const typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type&)>::type = void; typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type = parameter::aux::arg_list<parameter::aux::tagged_argument<graph::keywords::tag::visitor, const topo_sort_visitor<std::back_insert_iterator<std::vector<int> > > >, parameter::aux::arg_list<parameter::aux::tagged_argument<graph::keywords::tag::buffer, const int>, parameter::aux::empty_arg_list, std::integral_constant<bool, true> >, std::integral_constant<bool, true> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/topological_sort.hpp:69:23:   required from 'void boost::topological_sort(VertexListGraph&, OutputIterator, const bgl_named_params<P, T, R>&) [with VertexListGraph = adjacency_list<vecS, vecS, directedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_index_t, int, property<edge_weight_t, double> > >; OutputIterator = std::back_insert_iterator<std::vector<int> >; P = int; T = buffer_param_t; R = no_property]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/topological_sort.hpp:75:21:   required from 'void boost::topological_sort(VertexListGraph&, OutputIterator) [with VertexListGraph = adjacency_list<vecS, vecS, directedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_index_t, int, property<edge_weight_t, double> > >; OutputIterator = std::back_insert_iterator<std::vector<int> >]'
bh.cpp:280:19:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47: warning: 'this' pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:37:7: note: in a call to non-static member function 'boost::DefaultConstructible<TT>::~DefaultConstructible() [with TT = boost::detail::edge_desc_impl<boost::directed_tag, long unsigned int>]'
   37 |       ~model()
      |       ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:137:5: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
  137 |     BOOST_CONCEPT_USAGE(DefaultConstructible) {
      |     ^~~~~~~~~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::EqualityComparable<boost::detail::edge_desc_impl<boost::directed_tag, long unsigned int> > >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:233:5:   required from 'struct boost::EqualityComparable<boost::detail::edge_desc_impl<boost::directed_tag, long unsigned int> >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::EqualityComparable<boost::detail::edge_desc_impl<boost::directed_tag, long unsigned int> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::EqualityComparable<boost::detail::edge_desc_impl<boost::directed_tag, long unsigned int> > >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::EqualityComparable<boost::detail::edge_desc_impl<boost::directed_tag, long unsigned int> > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::EqualityComparable<boost::detail::edge_desc_impl<boost::directed_tag, long unsigned int> >)>'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:91:9:   [ skipping 4 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:397:42:   required from 'void boost::graph::detail::depth_first_search_impl<Graph>::operator()(const Graph&, const ArgPack&) const [with ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<boost::graph::keywords::tag::visitor, const boost::topo_sort_visitor<std::back_insert_iterator<std::vector<int> > > >, boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<boost::graph::keywords::tag::buffer, const int>, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >, std::integral_constant<bool, true> >; Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:406:5:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type boost::graph::depth_first_search_with_named_params(const Param0&, const ArgPack&) [with Param0 = boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >; ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<keywords::tag::visitor, const boost::topo_sort_visitor<std::back_insert_iterator<std::vector<int> > > >, boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<keywords::tag::buffer, const int>, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >, std::integral_constant<bool, true> >; typename boost::result_of<detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type = void]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:409:1:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const typename boost::detail::convert_bgl_params_to_boost_parameter<boost::bgl_named_params<T, Tag, Base> >::type&)>::type boost::depth_first_search(const Param0&, const bgl_named_params<T, Tag, Base>&) [with Param0 = adjacency_list<vecS, vecS, directedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_index_t, int, property<edge_weight_t, double> > >; P = topo_sort_visitor<std::back_insert_iterator<std::vector<int> > >; T = graph_visitor_t; R = bgl_named_params<int, buffer_param_t>; typename result_of<graph::detail::depth_first_search_impl<Param0>(Param0, const typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type&)>::type = void; typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type = parameter::aux::arg_list<parameter::aux::tagged_argument<graph::keywords::tag::visitor, const topo_sort_visitor<std::back_insert_iterator<std::vector<int> > > >, parameter::aux::arg_list<parameter::aux::tagged_argument<graph::keywords::tag::buffer, const int>, parameter::aux::empty_arg_list, std::integral_constant<bool, true> >, std::integral_constant<bool, true> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/topological_sort.hpp:69:23:   required from 'void boost::topological_sort(VertexListGraph&, OutputIterator, const bgl_named_params<P, T, R>&) [with VertexListGraph = adjacency_list<vecS, vecS, directedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_index_t, int, property<edge_weight_t, double> > >; OutputIterator = std::back_insert_iterator<std::vector<int> >; P = int; T = buffer_param_t; R = no_property]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/topological_sort.hpp:75:21:   required from 'void boost::topological_sort(VertexListGraph&, OutputIterator) [with VertexListGraph = adjacency_list<vecS, vecS, directedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_index_t, int, property<edge_weight_t, double> > >; OutputIterator = std::back_insert_iterator<std::vector<int> >]'
bh.cpp:280:19:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47: warning: 'this' pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:5: note: in a call to non-static member function 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::EqualityComparable<boost::detail::edge_desc_impl<boost::directed_tag, long unsigned int> >]'
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |     ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::EqualityComparable<boost::detail::edge_desc_impl<boost::directed_tag, long unsigned int> >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:91:9:   required from 'boost::concepts::IncidenceGraph<G>::~IncidenceGraph() [with G = boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:75:1:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::IncidenceGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:129:9:   required from 'void boost::detail::depth_first_visit_impl(const IncidenceGraph&, typename boost::graph_traits<Graph>::vertex_descriptor, DFSVisitor&, ColorMap, TerminatorFunc) [with IncidenceGraph = boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >; DFSVisitor = boost::topo_sort_visitor<std::back_insert_iterator<std::vector<int> > >; ColorMap = boost::shared_array_property_map<boost::default_color_type, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int> >; TerminatorFunc = nontruth2; typename boost::graph_traits<Graph>::vertex_descriptor = long unsigned int]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:286:39:   required from 'void boost::depth_first_search(const VertexListGraph&, DFSVisitor, ColorMap, typename graph_traits<Graph>::vertex_descriptor) [with VertexListGraph = adjacency_list<vecS, vecS, directedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_index_t, int, property<edge_weight_t, double> > >; DFSVisitor = topo_sort_visitor<std::back_insert_iterator<std::vector<int> > >; ColorMap = shared_array_property_map<default_color_type, vec_adj_list_vertex_id_map<property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int> >; typename graph_traits<Graph>::vertex_descriptor = long unsigned int]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:397:42:   required from 'void boost::graph::detail::depth_first_search_impl<Graph>::operator()(const Graph&, const ArgPack&) const [with ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<boost::graph::keywords::tag::visitor, const boost::topo_sort_visitor<std::back_insert_iterator<std::vector<int> > > >, boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<boost::graph::keywords::tag::buffer, const int>, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >, std::integral_constant<bool, true> >; Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:406:5:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type boost::graph::depth_first_search_with_named_params(const Param0&, const ArgPack&) [with Param0 = boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >; ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<keywords::tag::visitor, const boost::topo_sort_visitor<std::back_insert_iterator<std::vector<int> > > >, boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<keywords::tag::buffer, const int>, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >, std::integral_constant<bool, true> >; typename boost::result_of<detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type = void]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:409:1:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const typename boost::detail::convert_bgl_params_to_boost_parameter<boost::bgl_named_params<T, Tag, Base> >::type&)>::type boost::depth_first_search(const Param0&, const bgl_named_params<T, Tag, Base>&) [with Param0 = adjacency_list<vecS, vecS, directedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_index_t, int, property<edge_weight_t, double> > >; P = topo_sort_visitor<std::back_insert_iterator<std::vector<int> > >; T = graph_visitor_t; R = bgl_named_params<int, buffer_param_t>; typename result_of<graph::detail::depth_first_search_impl<Param0>(Param0, const typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type&)>::type = void; typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type = parameter::aux::arg_list<parameter::aux::tagged_argument<graph::keywords::tag::visitor, const topo_sort_visitor<std::back_insert_iterator<std::vector<int> > > >, parameter::aux::arg_list<parameter::aux::tagged_argument<graph::keywords::tag::buffer, const int>, parameter::aux::empty_arg_list, std::integral_constant<bool, true> >, std::integral_constant<bool, true> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/topological_sort.hpp:69:23:   required from 'void boost::topological_sort(VertexListGraph&, OutputIterator, const bgl_named_params<P, T, R>&) [with VertexListGraph = adjacency_list<vecS, vecS, directedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_index_t, int, property<edge_weight_t, double> > >; OutputIterator = std::back_insert_iterator<std::vector<int> >; P = int; T = buffer_param_t; R = no_property]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/topological_sort.hpp:75:21:   required from 'void boost::topological_sort(VertexListGraph&, OutputIterator) [with VertexListGraph = adjacency_list<vecS, vecS, directedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_index_t, int, property<edge_weight_t, double> > >; OutputIterator = std::back_insert_iterator<std::vector<int> >]'
bh.cpp:280:19:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47: warning: 'this' pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:37:7: note: in a call to non-static member function 'boost::EqualityComparable<TT>::~EqualityComparable() [with TT = boost::detail::edge_desc_impl<boost::directed_tag, long unsigned int>]'
   37 |       ~model()
      |       ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:233:5: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
  233 |     BOOST_CONCEPT_USAGE(EqualityComparable) {
      |     ^~~~~~~~~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::Assignable<boost::detail::edge_desc_impl<boost::directed_tag, long unsigned int> > >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:145:5:   required from 'struct boost::Assignable<boost::detail::edge_desc_impl<boost::directed_tag, long unsigned int> >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::Assignable<boost::detail::edge_desc_impl<boost::directed_tag, long unsigned int> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::Assignable<boost::detail::edge_desc_impl<boost::directed_tag, long unsigned int> > >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::Assignable<boost::detail::edge_desc_impl<boost::directed_tag, long unsigned int> > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::Assignable<boost::detail::edge_desc_impl<boost::directed_tag, long unsigned int> >)>'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:92:9:   [ skipping 4 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:397:42:   required from 'void boost::graph::detail::depth_first_search_impl<Graph>::operator()(const Graph&, const ArgPack&) const [with ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<boost::graph::keywords::tag::visitor, const boost::topo_sort_visitor<std::back_insert_iterator<std::vector<int> > > >, boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<boost::graph::keywords::tag::buffer, const int>, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >, std::integral_constant<bool, true> >; Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:406:5:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type boost::graph::depth_first_search_with_named_params(const Param0&, const ArgPack&) [with Param0 = boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >; ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<keywords::tag::visitor, const boost::topo_sort_visitor<std::back_insert_iterator<std::vector<int> > > >, boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<keywords::tag::buffer, const int>, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >, std::integral_constant<bool, true> >; typename boost::result_of<detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type = void]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:409:1:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const typename boost::detail::convert_bgl_params_to_boost_parameter<boost::bgl_named_params<T, Tag, Base> >::type&)>::type boost::depth_first_search(const Param0&, const bgl_named_params<T, Tag, Base>&) [with Param0 = adjacency_list<vecS, vecS, directedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_index_t, int, property<edge_weight_t, double> > >; P = topo_sort_visitor<std::back_insert_iterator<std::vector<int> > >; T = graph_visitor_t; R = bgl_named_params<int, buffer_param_t>; typename result_of<graph::detail::depth_first_search_impl<Param0>(Param0, const typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type&)>::type = void; typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type = parameter::aux::arg_list<parameter::aux::tagged_argument<graph::keywords::tag::visitor, const topo_sort_visitor<std::back_insert_iterator<std::vector<int> > > >, parameter::aux::arg_list<parameter::aux::tagged_argument<graph::keywords::tag::buffer, const int>, parameter::aux::empty_arg_list, std::integral_constant<bool, true> >, std::integral_constant<bool, true> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/topological_sort.hpp:69:23:   required from 'void boost::topological_sort(VertexListGraph&, OutputIterator, const bgl_named_params<P, T, R>&) [with VertexListGraph = adjacency_list<vecS, vecS, directedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_index_t, int, property<edge_weight_t, double> > >; OutputIterator = std::back_insert_iterator<std::vector<int> >; P = int; T = buffer_param_t; R = no_property]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/topological_sort.hpp:75:21:   required from 'void boost::topological_sort(VertexListGraph&, OutputIterator) [with VertexListGraph = adjacency_list<vecS, vecS, directedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_index_t, int, property<edge_weight_t, double> > >; OutputIterator = std::back_insert_iterator<std::vector<int> >]'
bh.cpp:280:19:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47: warning: 'this' pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:5: note: in a call to non-static member function 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::Assignable<boost::detail::edge_desc_impl<boost::directed_tag, long unsigned int> >]'
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |     ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::Assignable<boost::detail::edge_desc_impl<boost::directed_tag, long unsigned int> >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:92:9:   required from 'boost::concepts::IncidenceGraph<G>::~IncidenceGraph() [with G = boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:75:1:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::IncidenceGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:129:9:   required from 'void boost::detail::depth_first_visit_impl(const IncidenceGraph&, typename boost::graph_traits<Graph>::vertex_descriptor, DFSVisitor&, ColorMap, TerminatorFunc) [with IncidenceGraph = boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >; DFSVisitor = boost::topo_sort_visitor<std::back_insert_iterator<std::vector<int> > >; ColorMap = boost::shared_array_property_map<boost::default_color_type, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int> >; TerminatorFunc = nontruth2; typename boost::graph_traits<Graph>::vertex_descriptor = long unsigned int]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:286:39:   required from 'void boost::depth_first_search(const VertexListGraph&, DFSVisitor, ColorMap, typename graph_traits<Graph>::vertex_descriptor) [with VertexListGraph = adjacency_list<vecS, vecS, directedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_index_t, int, property<edge_weight_t, double> > >; DFSVisitor = topo_sort_visitor<std::back_insert_iterator<std::vector<int> > >; ColorMap = shared_array_property_map<default_color_type, vec_adj_list_vertex_id_map<property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int> >; typename graph_traits<Graph>::vertex_descriptor = long unsigned int]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:397:42:   required from 'void boost::graph::detail::depth_first_search_impl<Graph>::operator()(const Graph&, const ArgPack&) const [with ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<boost::graph::keywords::tag::visitor, const boost::topo_sort_visitor<std::back_insert_iterator<std::vector<int> > > >, boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<boost::graph::keywords::tag::buffer, const int>, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >, std::integral_constant<bool, true> >; Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:406:5:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type boost::graph::depth_first_search_with_named_params(const Param0&, const ArgPack&) [with Param0 = boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >; ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<keywords::tag::visitor, const boost::topo_sort_visitor<std::back_insert_iterator<std::vector<int> > > >, boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<keywords::tag::buffer, const int>, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >, std::integral_constant<bool, true> >; typename boost::result_of<detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type = void]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:409:1:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const typename boost::detail::convert_bgl_params_to_boost_parameter<boost::bgl_named_params<T, Tag, Base> >::type&)>::type boost::depth_first_search(const Param0&, const bgl_named_params<T, Tag, Base>&) [with Param0 = adjacency_list<vecS, vecS, directedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_index_t, int, property<edge_weight_t, double> > >; P = topo_sort_visitor<std::back_insert_iterator<std::vector<int> > >; T = graph_visitor_t; R = bgl_named_params<int, buffer_param_t>; typename result_of<graph::detail::depth_first_search_impl<Param0>(Param0, const typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type&)>::type = void; typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type = parameter::aux::arg_list<parameter::aux::tagged_argument<graph::keywords::tag::visitor, const topo_sort_visitor<std::back_insert_iterator<std::vector<int> > > >, parameter::aux::arg_list<parameter::aux::tagged_argument<graph::keywords::tag::buffer, const int>, parameter::aux::empty_arg_list, std::integral_constant<bool, true> >, std::integral_constant<bool, true> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/topological_sort.hpp:69:23:   required from 'void boost::topological_sort(VertexListGraph&, OutputIterator, const bgl_named_params<P, T, R>&) [with VertexListGraph = adjacency_list<vecS, vecS, directedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_index_t, int, property<edge_weight_t, double> > >; OutputIterator = std::back_insert_iterator<std::vector<int> >; P = int; T = buffer_param_t; R = no_property]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/topological_sort.hpp:75:21:   required from 'void boost::topological_sort(VertexListGraph&, OutputIterator) [with VertexListGraph = adjacency_list<vecS, vecS, directedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_index_t, int, property<edge_weight_t, double> > >; OutputIterator = std::back_insert_iterator<std::vector<int> >]'
bh.cpp:280:19:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47: warning: 'this' pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:37:7: note: in a call to non-static member function 'boost::Assignable<TT>::~Assignable() [with TT = boost::detail::edge_desc_impl<boost::directed_tag, long unsigned int>]'
   37 |       ~model()
      |       ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:145:5: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
  145 |     BOOST_CONCEPT_USAGE(Assignable) {
      |     ^~~~~~~~~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::Convertible<boost::adj_list_dir_traversal_tag, boost::incidence_graph_tag> >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:208:5:   required from 'struct boost::Convertible<boost::adj_list_dir_traversal_tag, boost::incidence_graph_tag>'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::Convertible<boost::adj_list_dir_traversal_tag, boost::incidence_graph_tag>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::Convertible<boost::adj_list_dir_traversal_tag, boost::incidence_graph_tag> >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::Convertible<boost::adj_list_dir_traversal_tag, boost::incidence_graph_tag> >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::Convertible<boost::adj_list_dir_traversal_tag, boost::incidence_graph_tag>)>'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:93:9:   [ skipping 4 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:397:42:   required from 'void boost::graph::detail::depth_first_search_impl<Graph>::operator()(const Graph&, const ArgPack&) const [with ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<boost::graph::keywords::tag::visitor, const boost::topo_sort_visitor<std::back_insert_iterator<std::vector<int> > > >, boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<boost::graph::keywords::tag::buffer, const int>, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >, std::integral_constant<bool, true> >; Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:406:5:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type boost::graph::depth_first_search_with_named_params(const Param0&, const ArgPack&) [with Param0 = boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >; ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<keywords::tag::visitor, const boost::topo_sort_visitor<std::back_insert_iterator<std::vector<int> > > >, boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<keywords::tag::buffer, const int>, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >, std::integral_constant<bool, true> >; typename boost::result_of<detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type = void]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:409:1:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const typename boost::detail::convert_bgl_params_to_boost_parameter<boost::bgl_named_params<T, Tag, Base> >::type&)>::type boost::depth_first_search(const Param0&, const bgl_named_params<T, Tag, Base>&) [with Param0 = adjacency_list<vecS, vecS, directedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_index_t, int, property<edge_weight_t, double> > >; P = topo_sort_visitor<std::back_insert_iterator<std::vector<int> > >; T = graph_visitor_t; R = bgl_named_params<int, buffer_param_t>; typename result_of<graph::detail::depth_first_search_impl<Param0>(Param0, const typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type&)>::type = void; typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type = parameter::aux::arg_list<parameter::aux::tagged_argument<graph::keywords::tag::visitor, const topo_sort_visitor<std::back_insert_iterator<std::vector<int> > > >, parameter::aux::arg_list<parameter::aux::tagged_argument<graph::keywords::tag::buffer, const int>, parameter::aux::empty_arg_list, std::integral_constant<bool, true> >, std::integral_constant<bool, true> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/topological_sort.hpp:69:23:   required from 'void boost::topological_sort(VertexListGraph&, OutputIterator, const bgl_named_params<P, T, R>&) [with VertexListGraph = adjacency_list<vecS, vecS, directedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_index_t, int, property<edge_weight_t, double> > >; OutputIterator = std::back_insert_iterator<std::vector<int> >; P = int; T = buffer_param_t; R = no_property]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/topological_sort.hpp:75:21:   required from 'void boost::topological_sort(VertexListGraph&, OutputIterator) [with VertexListGraph = adjacency_list<vecS, vecS, directedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_index_t, int, property<edge_weight_t, double> > >; OutputIterator = std::back_insert_iterator<std::vector<int> >]'
bh.cpp:280:19:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47: warning: 'this' pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:5: note: in a call to non-static member function 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::Convertible<boost::adj_list_dir_traversal_tag, boost::incidence_graph_tag>]'
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |     ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::Convertible<boost::adj_list_dir_traversal_tag, boost::incidence_graph_tag>]':
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:93:9:   required from 'boost::concepts::IncidenceGraph<G>::~IncidenceGraph() [with G = boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:75:1:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::IncidenceGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:129:9:   required from 'void boost::detail::depth_first_visit_impl(const IncidenceGraph&, typename boost::graph_traits<Graph>::vertex_descriptor, DFSVisitor&, ColorMap, TerminatorFunc) [with IncidenceGraph = boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >; DFSVisitor = boost::topo_sort_visitor<std::back_insert_iterator<std::vector<int> > >; ColorMap = boost::shared_array_property_map<boost::default_color_type, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int> >; TerminatorFunc = nontruth2; typename boost::graph_traits<Graph>::vertex_descriptor = long unsigned int]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:286:39:   required from 'void boost::depth_first_search(const VertexListGraph&, DFSVisitor, ColorMap, typename graph_traits<Graph>::vertex_descriptor) [with VertexListGraph = adjacency_list<vecS, vecS, directedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_index_t, int, property<edge_weight_t, double> > >; DFSVisitor = topo_sort_visitor<std::back_insert_iterator<std::vector<int> > >; ColorMap = shared_array_property_map<default_color_type, vec_adj_list_vertex_id_map<property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int> >; typename graph_traits<Graph>::vertex_descriptor = long unsigned int]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:397:42:   required from 'void boost::graph::detail::depth_first_search_impl<Graph>::operator()(const Graph&, const ArgPack&) const [with ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<boost::graph::keywords::tag::visitor, const boost::topo_sort_visitor<std::back_insert_iterator<std::vector<int> > > >, boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<boost::graph::keywords::tag::buffer, const int>, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >, std::integral_constant<bool, true> >; Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:406:5:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type boost::graph::depth_first_search_with_named_params(const Param0&, const ArgPack&) [with Param0 = boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >; ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<keywords::tag::visitor, const boost::topo_sort_visitor<std::back_insert_iterator<std::vector<int> > > >, boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<keywords::tag::buffer, const int>, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >, std::integral_constant<bool, true> >; typename boost::result_of<detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type = void]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:409:1:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const typename boost::detail::convert_bgl_params_to_boost_parameter<boost::bgl_named_params<T, Tag, Base> >::type&)>::type boost::depth_first_search(const Param0&, const bgl_named_params<T, Tag, Base>&) [with Param0 = adjacency_list<vecS, vecS, directedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_index_t, int, property<edge_weight_t, double> > >; P = topo_sort_visitor<std::back_insert_iterator<std::vector<int> > >; T = graph_visitor_t; R = bgl_named_params<int, buffer_param_t>; typename result_of<graph::detail::depth_first_search_impl<Param0>(Param0, const typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type&)>::type = void; typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type = parameter::aux::arg_list<parameter::aux::tagged_argument<graph::keywords::tag::visitor, const topo_sort_visitor<std::back_insert_iterator<std::vector<int> > > >, parameter::aux::arg_list<parameter::aux::tagged_argument<graph::keywords::tag::buffer, const int>, parameter::aux::empty_arg_list, std::integral_constant<bool, true> >, std::integral_constant<bool, true> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/topological_sort.hpp:69:23:   required from 'void boost::topological_sort(VertexListGraph&, OutputIterator, const bgl_named_params<P, T, R>&) [with VertexListGraph = adjacency_list<vecS, vecS, directedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_index_t, int, property<edge_weight_t, double> > >; OutputIterator = std::back_insert_iterator<std::vector<int> >; P = int; T = buffer_param_t; R = no_property]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/topological_sort.hpp:75:21:   required from 'void boost::topological_sort(VertexListGraph&, OutputIterator) [with VertexListGraph = adjacency_list<vecS, vecS, directedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_index_t, int, property<edge_weight_t, double> > >; OutputIterator = std::back_insert_iterator<std::vector<int> >]'
bh.cpp:280:19:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47: warning: 'this' pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:37:7: note: in a call to non-static member function 'boost::Convertible<X, Y>::~Convertible() [with X = boost::adj_list_dir_traversal_tag; Y = boost::incidence_graph_tag]'
   37 |       ~model()
      |       ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:208:5: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
  208 |     BOOST_CONCEPT_USAGE(Convertible) {
      |     ^~~~~~~~~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::Assignable<boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >*, std::vector<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >, std::allocator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> > >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:145:5:   required from 'struct boost::Assignable<boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >*, std::vector<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >, std::allocator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:502:3:   required from 'struct boost::InputIterator<boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >*, std::vector<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >, std::allocator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::InputIterator<boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >*, std::vector<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >, std::allocator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::InputIterator<boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >*, std::vector<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >, std::allocator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> > >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::InputIterator<boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >*, std::vector<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >, std::allocator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   [ skipping 6 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:286:39:   required from 'void boost::depth_first_search(const VertexListGraph&, DFSVisitor, ColorMap, typename graph_traits<Graph>::vertex_descriptor) [with VertexListGraph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; DFSVisitor = detail::components_recorder<int*>; ColorMap = shared_array_property_map<default_color_type, vec_adj_list_vertex_id_map<property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int> >; typename graph_traits<Graph>::vertex_descriptor = long unsigned int]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:397:42:   required from 'void boost::graph::detail::depth_first_search_impl<Graph>::operator()(const Graph&, const ArgPack&) const [with ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<boost::graph::keywords::tag::visitor, const boost::detail::components_recorder<int*> >, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >; Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:406:5:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type boost::graph::depth_first_search_with_named_params(const Param0&, const ArgPack&) [with Param0 = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<keywords::tag::visitor, const boost::detail::components_recorder<int*> >, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >; typename boost::result_of<detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type = void]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:409:1:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const typename boost::detail::convert_bgl_params_to_boost_parameter<boost::bgl_named_params<T, Tag, Base> >::type&)>::type boost::depth_first_search(const Param0&, const bgl_named_params<T, Tag, Base>&) [with Param0 = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; P = detail::components_recorder<int*>; T = graph_visitor_t; R = no_property; typename result_of<graph::detail::depth_first_search_impl<Param0>(Param0, const typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type&)>::type = void; typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type = parameter::aux::arg_list<parameter::aux::tagged_argument<graph::keywords::tag::visitor, const detail::components_recorder<int*> >, parameter::aux::empty_arg_list, std::integral_constant<bool, true> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/connected_components.hpp:106:23:   required from 'typename boost::property_traits<IndexMap>::value_type boost::connected_components(const Graph&, ComponentMap, typename enable_if_c<is_base_and_derived<vertex_list_graph_tag, typename graph_traits<Graph>::traversal_category>::value, graph::detail::no_parameter>::type) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; ComponentMap = int*; typename property_traits<IndexMap>::value_type = int; typename enable_if_c<is_base_and_derived<vertex_list_graph_tag, typename graph_traits<Graph>::traversal_category>::value, graph::detail::no_parameter>::type = graph::detail::no_parameter; typename graph_traits<Graph>::traversal_category = undir_adj_list_traversal_tag]'
bh.cpp:146:23:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47: warning: 'this' pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:5: note: in a call to non-static member function 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::Assignable<boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >*, std::vector<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >, std::allocator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> >]'
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |     ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::EqualityComparable<boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >*, std::vector<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >, std::allocator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> > >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:233:5:   required from 'struct boost::EqualityComparable<boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >*, std::vector<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >, std::allocator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:502:3:   required from 'struct boost::InputIterator<boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >*, std::vector<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >, std::allocator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::InputIterator<boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >*, std::vector<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >, std::allocator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::InputIterator<boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >*, std::vector<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >, std::allocator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> > >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::InputIterator<boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >*, std::vector<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >, std::allocator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   [ skipping 6 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:286:39:   required from 'void boost::depth_first_search(const VertexListGraph&, DFSVisitor, ColorMap, typename graph_traits<Graph>::vertex_descriptor) [with VertexListGraph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; DFSVisitor = detail::components_recorder<int*>; ColorMap = shared_array_property_map<default_color_type, vec_adj_list_vertex_id_map<property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int> >; typename graph_traits<Graph>::vertex_descriptor = long unsigned int]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:397:42:   required from 'void boost::graph::detail::depth_first_search_impl<Graph>::operator()(const Graph&, const ArgPack&) const [with ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<boost::graph::keywords::tag::visitor, const boost::detail::components_recorder<int*> >, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >; Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:406:5:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type boost::graph::depth_first_search_with_named_params(const Param0&, const ArgPack&) [with Param0 = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<keywords::tag::visitor, const boost::detail::components_recorder<int*> >, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >; typename boost::result_of<detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type = void]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:409:1:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const typename boost::detail::convert_bgl_params_to_boost_parameter<boost::bgl_named_params<T, Tag, Base> >::type&)>::type boost::depth_first_search(const Param0&, const bgl_named_params<T, Tag, Base>&) [with Param0 = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; P = detail::components_recorder<int*>; T = graph_visitor_t; R = no_property; typename result_of<graph::detail::depth_first_search_impl<Param0>(Param0, const typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type&)>::type = void; typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type = parameter::aux::arg_list<parameter::aux::tagged_argument<graph::keywords::tag::visitor, const detail::components_recorder<int*> >, parameter::aux::empty_arg_list, std::integral_constant<bool, true> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/connected_components.hpp:106:23:   required from 'typename boost::property_traits<IndexMap>::value_type boost::connected_components(const Graph&, ComponentMap, typename enable_if_c<is_base_and_derived<vertex_list_graph_tag, typename graph_traits<Graph>::traversal_category>::value, graph::detail::no_parameter>::type) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; ComponentMap = int*; typename property_traits<IndexMap>::value_type = int; typename enable_if_c<is_base_and_derived<vertex_list_graph_tag, typename graph_traits<Graph>::traversal_category>::value, graph::detail::no_parameter>::type = graph::detail::no_parameter; typename graph_traits<Graph>::traversal_category = undir_adj_list_traversal_tag]'
bh.cpp:146:23:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47: warning: 'this' pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:5: note: in a call to non-static member function 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::EqualityComparable<boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >*, std::vector<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >, std::allocator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> >]'
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |     ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::InputIterator<boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >*, std::vector<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >, std::allocator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> > >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:512:7:   required from 'struct boost::InputIterator<boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >*, std::vector<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >, std::allocator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::InputIterator<boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >*, std::vector<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >, std::allocator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::InputIterator<boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >*, std::vector<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >, std::allocator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> > >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::InputIterator<boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >*, std::vector<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >, std::allocator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::InputIterator<boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >*, std::vector<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >, std::allocator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> >)>'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:53:35:   [ skipping 5 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:286:39:   required from 'void boost::depth_first_search(const VertexListGraph&, DFSVisitor, ColorMap, typename graph_traits<Graph>::vertex_descriptor) [with VertexListGraph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; DFSVisitor = detail::components_recorder<int*>; ColorMap = shared_array_property_map<default_color_type, vec_adj_list_vertex_id_map<property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int> >; typename graph_traits<Graph>::vertex_descriptor = long unsigned int]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:397:42:   required from 'void boost::graph::detail::depth_first_search_impl<Graph>::operator()(const Graph&, const ArgPack&) const [with ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<boost::graph::keywords::tag::visitor, const boost::detail::components_recorder<int*> >, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >; Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:406:5:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type boost::graph::depth_first_search_with_named_params(const Param0&, const ArgPack&) [with Param0 = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<keywords::tag::visitor, const boost::detail::components_recorder<int*> >, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >; typename boost::result_of<detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type = void]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:409:1:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const typename boost::detail::convert_bgl_params_to_boost_parameter<boost::bgl_named_params<T, Tag, Base> >::type&)>::type boost::depth_first_search(const Param0&, const bgl_named_params<T, Tag, Base>&) [with Param0 = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; P = detail::components_recorder<int*>; T = graph_visitor_t; R = no_property; typename result_of<graph::detail::depth_first_search_impl<Param0>(Param0, const typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type&)>::type = void; typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type = parameter::aux::arg_list<parameter::aux::tagged_argument<graph::keywords::tag::visitor, const detail::components_recorder<int*> >, parameter::aux::empty_arg_list, std::integral_constant<bool, true> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/connected_components.hpp:106:23:   required from 'typename boost::property_traits<IndexMap>::value_type boost::connected_components(const Graph&, ComponentMap, typename enable_if_c<is_base_and_derived<vertex_list_graph_tag, typename graph_traits<Graph>::traversal_category>::value, graph::detail::no_parameter>::type) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; ComponentMap = int*; typename property_traits<IndexMap>::value_type = int; typename enable_if_c<is_base_and_derived<vertex_list_graph_tag, typename graph_traits<Graph>::traversal_category>::value, graph::detail::no_parameter>::type = graph::detail::no_parameter; typename graph_traits<Graph>::traversal_category = undir_adj_list_traversal_tag]'
bh.cpp:146:23:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47: warning: 'this' pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:5: note: in a call to non-static member function 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::InputIterator<boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >*, std::vector<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >, std::allocator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> >]'
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |     ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::InputIterator<boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >*, std::vector<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >, std::allocator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:53:35:   required from 'boost::concepts::MultiPassInputIterator<T>::~MultiPassInputIterator() [with T = boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >*, std::vector<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >, std::allocator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::MultiPassInputIterator<boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >*, std::vector<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >, std::allocator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:89:9:   required from 'boost::concepts::IncidenceGraph<G>::~IncidenceGraph() [with G = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:75:1:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::IncidenceGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:129:9:   required from 'void boost::detail::depth_first_visit_impl(const IncidenceGraph&, typename boost::graph_traits<Graph>::vertex_descriptor, DFSVisitor&, ColorMap, TerminatorFunc) [with IncidenceGraph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; DFSVisitor = components_recorder<int*>; ColorMap = boost::shared_array_property_map<boost::default_color_type, boost::vec_adj_list_vertex_id_map<boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int> >; TerminatorFunc = nontruth2; typename boost::graph_traits<Graph>::vertex_descriptor = long unsigned int]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:286:39:   required from 'void boost::depth_first_search(const VertexListGraph&, DFSVisitor, ColorMap, typename graph_traits<Graph>::vertex_descriptor) [with VertexListGraph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; DFSVisitor = detail::components_recorder<int*>; ColorMap = shared_array_property_map<default_color_type, vec_adj_list_vertex_id_map<property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int> >; typename graph_traits<Graph>::vertex_descriptor = long unsigned int]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:397:42:   required from 'void boost::graph::detail::depth_first_search_impl<Graph>::operator()(const Graph&, const ArgPack&) const [with ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<boost::graph::keywords::tag::visitor, const boost::detail::components_recorder<int*> >, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >; Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:406:5:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type boost::graph::depth_first_search_with_named_params(const Param0&, const ArgPack&) [with Param0 = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<keywords::tag::visitor, const boost::detail::components_recorder<int*> >, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >; typename boost::result_of<detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type = void]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:409:1:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const typename boost::detail::convert_bgl_params_to_boost_parameter<boost::bgl_named_params<T, Tag, Base> >::type&)>::type boost::depth_first_search(const Param0&, const bgl_named_params<T, Tag, Base>&) [with Param0 = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; P = detail::components_recorder<int*>; T = graph_visitor_t; R = no_property; typename result_of<graph::detail::depth_first_search_impl<Param0>(Param0, const typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type&)>::type = void; typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type = parameter::aux::arg_list<parameter::aux::tagged_argument<graph::keywords::tag::visitor, const detail::components_recorder<int*> >, parameter::aux::empty_arg_list, std::integral_constant<bool, true> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/connected_components.hpp:106:23:   required from 'typename boost::property_traits<IndexMap>::value_type boost::connected_components(const Graph&, ComponentMap, typename enable_if_c<is_base_and_derived<vertex_list_graph_tag, typename graph_traits<Graph>::traversal_category>::value, graph::detail::no_parameter>::type) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; ComponentMap = int*; typename property_traits<IndexMap>::value_type = int; typename enable_if_c<is_base_and_derived<vertex_list_graph_tag, typename graph_traits<Graph>::traversal_category>::value, graph::detail::no_parameter>::type = graph::detail::no_parameter; typename graph_traits<Graph>::traversal_category = undir_adj_list_traversal_tag]'
bh.cpp:146:23:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47: warning: 'this' pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:37:7: note: in a call to non-static member function 'boost::InputIterator<TT>::~InputIterator() [with TT = boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >*, std::vector<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >, std::allocator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int>]'
   37 |       ~model()
      |       ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:512:7: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
  512 |       BOOST_CONCEPT_USAGE(InputIterator)
      |       ^~~~~~~~~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp: In instantiation of 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::concepts::MultiPassInputIterator<boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >*, std::vector<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >, std::allocator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::directed_tag, long unsigned int>, long int> >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::concepts::MultiPassInputIterator<boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >*, std::vector<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >, std::allocator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::directed_tag, long unsigned int>, long int> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:52:50:   required from 'struct boost::concepts::MultiPassInputIterator<boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >*, std::vector<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >, std::allocator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::directed_tag, long unsigned int>, long int> >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::concepts::MultiPassInputIterator<boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >*, std::vector<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >, std::allocator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::directed_tag, long unsigned int>, long int> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::concepts::MultiPassInputIterator<boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >*, std::vector<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >, std::allocator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::directed_tag, long unsigned int>, long int> > >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::concepts::MultiPassInputIterator<boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >*, std::vector<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >, std::allocator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::directed_tag, long unsigned int>, long int> > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   [ skipping 5 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:397:42:   required from 'void boost::graph::detail::depth_first_search_impl<Graph>::operator()(const Graph&, const ArgPack&) const [with ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<boost::graph::keywords::tag::visitor, const boost::topo_sort_visitor<std::back_insert_iterator<std::vector<int> > > >, boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<boost::graph::keywords::tag::buffer, const int>, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >, std::integral_constant<bool, true> >; Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:406:5:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type boost::graph::depth_first_search_with_named_params(const Param0&, const ArgPack&) [with Param0 = boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >; ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<keywords::tag::visitor, const boost::topo_sort_visitor<std::back_insert_iterator<std::vector<int> > > >, boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<keywords::tag::buffer, const int>, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >, std::integral_constant<bool, true> >; typename boost::result_of<detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type = void]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:409:1:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const typename boost::detail::convert_bgl_params_to_boost_parameter<boost::bgl_named_params<T, Tag, Base> >::type&)>::type boost::depth_first_search(const Param0&, const bgl_named_params<T, Tag, Base>&) [with Param0 = adjacency_list<vecS, vecS, directedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_index_t, int, property<edge_weight_t, double> > >; P = topo_sort_visitor<std::back_insert_iterator<std::vector<int> > >; T = graph_visitor_t; R = bgl_named_params<int, buffer_param_t>; typename result_of<graph::detail::depth_first_search_impl<Param0>(Param0, const typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type&)>::type = void; typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type = parameter::aux::arg_list<parameter::aux::tagged_argument<graph::keywords::tag::visitor, const topo_sort_visitor<std::back_insert_iterator<std::vector<int> > > >, parameter::aux::arg_list<parameter::aux::tagged_argument<graph::keywords::tag::buffer, const int>, parameter::aux::empty_arg_list, std::integral_constant<bool, true> >, std::integral_constant<bool, true> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/topological_sort.hpp:69:23:   required from 'void boost::topological_sort(VertexListGraph&, OutputIterator, const bgl_named_params<P, T, R>&) [with VertexListGraph = adjacency_list<vecS, vecS, directedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_index_t, int, property<edge_weight_t, double> > >; OutputIterator = std::back_insert_iterator<std::vector<int> >; P = int; T = buffer_param_t; R = no_property]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/topological_sort.hpp:75:21:   required from 'void boost::topological_sort(VertexListGraph&, OutputIterator) [with VertexListGraph = adjacency_list<vecS, vecS, directedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_index_t, int, property<edge_weight_t, double> > >; OutputIterator = std::back_insert_iterator<std::vector<int> >]'
bh.cpp:280:19:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:48: warning: 'this' pointer is null [-Wnonnull]
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |                             ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:37:7: note: in a call to non-static member function 'boost::concepts::MultiPassInputIterator<T>::~MultiPassInputIterator() [with T = boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >*, std::vector<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >, std::allocator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::directed_tag, long unsigned int>, long int>]'
   37 |       ~model()
      |       ^
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:52:50: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
   52 |     BOOST_concept(MultiPassInputIterator, (T)) { BOOST_CONCEPT_USAGE(
      |                                                  ^~~~~~~~~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp: In instantiation of 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::DefaultConstructible<boost::detail::edge_desc_impl<boost::directed_tag, long unsigned int> >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::DefaultConstructible<boost::detail::edge_desc_impl<boost::directed_tag, long unsigned int> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:137:5:   required from 'struct boost::DefaultConstructible<boost::detail::edge_desc_impl<boost::directed_tag, long unsigned int> >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::DefaultConstructible<boost::detail::edge_desc_impl<boost::directed_tag, long unsigned int> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::DefaultConstructible<boost::detail::edge_desc_impl<boost::directed_tag, long unsigned int> > >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::DefaultConstructible<boost::detail::edge_desc_impl<boost::directed_tag, long unsigned int> > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   [ skipping 5 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:397:42:   required from 'void boost::graph::detail::depth_first_search_impl<Graph>::operator()(const Graph&, const ArgPack&) const [with ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<boost::graph::keywords::tag::visitor, const boost::topo_sort_visitor<std::back_insert_iterator<std::vector<int> > > >, boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<boost::graph::keywords::tag::buffer, const int>, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >, std::integral_constant<bool, true> >; Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:406:5:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type boost::graph::depth_first_search_with_named_params(const Param0&, const ArgPack&) [with Param0 = boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >; ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<keywords::tag::visitor, const boost::topo_sort_visitor<std::back_insert_iterator<std::vector<int> > > >, boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<keywords::tag::buffer, const int>, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >, std::integral_constant<bool, true> >; typename boost::result_of<detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type = void]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:409:1:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const typename boost::detail::convert_bgl_params_to_boost_parameter<boost::bgl_named_params<T, Tag, Base> >::type&)>::type boost::depth_first_search(const Param0&, const bgl_named_params<T, Tag, Base>&) [with Param0 = adjacency_list<vecS, vecS, directedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_index_t, int, property<edge_weight_t, double> > >; P = topo_sort_visitor<std::back_insert_iterator<std::vector<int> > >; T = graph_visitor_t; R = bgl_named_params<int, buffer_param_t>; typename result_of<graph::detail::depth_first_search_impl<Param0>(Param0, const typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type&)>::type = void; typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type = parameter::aux::arg_list<parameter::aux::tagged_argument<graph::keywords::tag::visitor, const topo_sort_visitor<std::back_insert_iterator<std::vector<int> > > >, parameter::aux::arg_list<parameter::aux::tagged_argument<graph::keywords::tag::buffer, const int>, parameter::aux::empty_arg_list, std::integral_constant<bool, true> >, std::integral_constant<bool, true> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/topological_sort.hpp:69:23:   required from 'void boost::topological_sort(VertexListGraph&, OutputIterator, const bgl_named_params<P, T, R>&) [with VertexListGraph = adjacency_list<vecS, vecS, directedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_index_t, int, property<edge_weight_t, double> > >; OutputIterator = std::back_insert_iterator<std::vector<int> >; P = int; T = buffer_param_t; R = no_property]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/topological_sort.hpp:75:21:   required from 'void boost::topological_sort(VertexListGraph&, OutputIterator) [with VertexListGraph = adjacency_list<vecS, vecS, directedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_index_t, int, property<edge_weight_t, double> > >; OutputIterator = std::back_insert_iterator<std::vector<int> >]'
bh.cpp:280:19:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:48: warning: 'this' pointer is null [-Wnonnull]
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |                             ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:37:7: note: in a call to non-static member function 'boost::DefaultConstructible<TT>::~DefaultConstructible() [with TT = boost::detail::edge_desc_impl<boost::directed_tag, long unsigned int>]'
   37 |       ~model()
      |       ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:137:5: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
  137 |     BOOST_CONCEPT_USAGE(DefaultConstructible) {
      |     ^~~~~~~~~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp: In instantiation of 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::EqualityComparable<boost::detail::edge_desc_impl<boost::directed_tag, long unsigned int> >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::EqualityComparable<boost::detail::edge_desc_impl<boost::directed_tag, long unsigned int> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:233:5:   required from 'struct boost::EqualityComparable<boost::detail::edge_desc_impl<boost::directed_tag, long unsigned int> >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::EqualityComparable<boost::detail::edge_desc_impl<boost::directed_tag, long unsigned int> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::EqualityComparable<boost::detail::edge_desc_impl<boost::directed_tag, long unsigned int> > >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::EqualityComparable<boost::detail::edge_desc_impl<boost::directed_tag, long unsigned int> > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   [ skipping 5 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:397:42:   required from 'void boost::graph::detail::depth_first_search_impl<Graph>::operator()(const Graph&, const ArgPack&) const [with ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<boost::graph::keywords::tag::visitor, const boost::topo_sort_visitor<std::back_insert_iterator<std::vector<int> > > >, boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<boost::graph::keywords::tag::buffer, const int>, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >, std::integral_constant<bool, true> >; Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:406:5:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type boost::graph::depth_first_search_with_named_params(const Param0&, const ArgPack&) [with Param0 = boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >; ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<keywords::tag::visitor, const boost::topo_sort_visitor<std::back_insert_iterator<std::vector<int> > > >, boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<keywords::tag::buffer, const int>, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >, std::integral_constant<bool, true> >; typename boost::result_of<detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type = void]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:409:1:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const typename boost::detail::convert_bgl_params_to_boost_parameter<boost::bgl_named_params<T, Tag, Base> >::type&)>::type boost::depth_first_search(const Param0&, const bgl_named_params<T, Tag, Base>&) [with Param0 = adjacency_list<vecS, vecS, directedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_index_t, int, property<edge_weight_t, double> > >; P = topo_sort_visitor<std::back_insert_iterator<std::vector<int> > >; T = graph_visitor_t; R = bgl_named_params<int, buffer_param_t>; typename result_of<graph::detail::depth_first_search_impl<Param0>(Param0, const typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type&)>::type = void; typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type = parameter::aux::arg_list<parameter::aux::tagged_argument<graph::keywords::tag::visitor, const topo_sort_visitor<std::back_insert_iterator<std::vector<int> > > >, parameter::aux::arg_list<parameter::aux::tagged_argument<graph::keywords::tag::buffer, const int>, parameter::aux::empty_arg_list, std::integral_constant<bool, true> >, std::integral_constant<bool, true> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/topological_sort.hpp:69:23:   required from 'void boost::topological_sort(VertexListGraph&, OutputIterator, const bgl_named_params<P, T, R>&) [with VertexListGraph = adjacency_list<vecS, vecS, directedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_index_t, int, property<edge_weight_t, double> > >; OutputIterator = std::back_insert_iterator<std::vector<int> >; P = int; T = buffer_param_t; R = no_property]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/topological_sort.hpp:75:21:   required from 'void boost::topological_sort(VertexListGraph&, OutputIterator) [with VertexListGraph = adjacency_list<vecS, vecS, directedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_index_t, int, property<edge_weight_t, double> > >; OutputIterator = std::back_insert_iterator<std::vector<int> >]'
bh.cpp:280:19:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:48: warning: 'this' pointer is null [-Wnonnull]
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |                             ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:37:7: note: in a call to non-static member function 'boost::EqualityComparable<TT>::~EqualityComparable() [with TT = boost::detail::edge_desc_impl<boost::directed_tag, long unsigned int>]'
   37 |       ~model()
      |       ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:233:5: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
  233 |     BOOST_CONCEPT_USAGE(EqualityComparable) {
      |     ^~~~~~~~~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp: In instantiation of 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::Assignable<boost::detail::edge_desc_impl<boost::directed_tag, long unsigned int> >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::Assignable<boost::detail::edge_desc_impl<boost::directed_tag, long unsigned int> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:145:5:   required from 'struct boost::Assignable<boost::detail::edge_desc_impl<boost::directed_tag, long unsigned int> >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::Assignable<boost::detail::edge_desc_impl<boost::directed_tag, long unsigned int> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::Assignable<boost::detail::edge_desc_impl<boost::directed_tag, long unsigned int> > >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::Assignable<boost::detail::edge_desc_impl<boost::directed_tag, long unsigned int> > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   [ skipping 5 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:397:42:   required from 'void boost::graph::detail::depth_first_search_impl<Graph>::operator()(const Graph&, const ArgPack&) const [with ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<boost::graph::keywords::tag::visitor, const boost::topo_sort_visitor<std::back_insert_iterator<std::vector<int> > > >, boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<boost::graph::keywords::tag::buffer, const int>, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >, std::integral_constant<bool, true> >; Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:406:5:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type boost::graph::depth_first_search_with_named_params(const Param0&, const ArgPack&) [with Param0 = boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >; ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<keywords::tag::visitor, const boost::topo_sort_visitor<std::back_insert_iterator<std::vector<int> > > >, boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<keywords::tag::buffer, const int>, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >, std::integral_constant<bool, true> >; typename boost::result_of<detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type = void]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:409:1:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const typename boost::detail::convert_bgl_params_to_boost_parameter<boost::bgl_named_params<T, Tag, Base> >::type&)>::type boost::depth_first_search(const Param0&, const bgl_named_params<T, Tag, Base>&) [with Param0 = adjacency_list<vecS, vecS, directedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_index_t, int, property<edge_weight_t, double> > >; P = topo_sort_visitor<std::back_insert_iterator<std::vector<int> > >; T = graph_visitor_t; R = bgl_named_params<int, buffer_param_t>; typename result_of<graph::detail::depth_first_search_impl<Param0>(Param0, const typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type&)>::type = void; typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type = parameter::aux::arg_list<parameter::aux::tagged_argument<graph::keywords::tag::visitor, const topo_sort_visitor<std::back_insert_iterator<std::vector<int> > > >, parameter::aux::arg_list<parameter::aux::tagged_argument<graph::keywords::tag::buffer, const int>, parameter::aux::empty_arg_list, std::integral_constant<bool, true> >, std::integral_constant<bool, true> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/topological_sort.hpp:69:23:   required from 'void boost::topological_sort(VertexListGraph&, OutputIterator, const bgl_named_params<P, T, R>&) [with VertexListGraph = adjacency_list<vecS, vecS, directedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_index_t, int, property<edge_weight_t, double> > >; OutputIterator = std::back_insert_iterator<std::vector<int> >; P = int; T = buffer_param_t; R = no_property]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/topological_sort.hpp:75:21:   required from 'void boost::topological_sort(VertexListGraph&, OutputIterator) [with VertexListGraph = adjacency_list<vecS, vecS, directedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_index_t, int, property<edge_weight_t, double> > >; OutputIterator = std::back_insert_iterator<std::vector<int> >]'
bh.cpp:280:19:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:48: warning: 'this' pointer is null [-Wnonnull]
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |                             ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:37:7: note: in a call to non-static member function 'boost::Assignable<TT>::~Assignable() [with TT = boost::detail::edge_desc_impl<boost::directed_tag, long unsigned int>]'
   37 |       ~model()
      |       ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:145:5: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
  145 |     BOOST_CONCEPT_USAGE(Assignable) {
      |     ^~~~~~~~~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp: In instantiation of 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::Convertible<boost::adj_list_dir_traversal_tag, boost::incidence_graph_tag>]':
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::Convertible<boost::adj_list_dir_traversal_tag, boost::incidence_graph_tag> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:208:5:   required from 'struct boost::Convertible<boost::adj_list_dir_traversal_tag, boost::incidence_graph_tag>'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::Convertible<boost::adj_list_dir_traversal_tag, boost::incidence_graph_tag>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::Convertible<boost::adj_list_dir_traversal_tag, boost::incidence_graph_tag> >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::Convertible<boost::adj_list_dir_traversal_tag, boost::incidence_graph_tag> >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   [ skipping 5 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:397:42:   required from 'void boost::graph::detail::depth_first_search_impl<Graph>::operator()(const Graph&, const ArgPack&) const [with ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<boost::graph::keywords::tag::visitor, const boost::topo_sort_visitor<std::back_insert_iterator<std::vector<int> > > >, boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<boost::graph::keywords::tag::buffer, const int>, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >, std::integral_constant<bool, true> >; Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:406:5:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type boost::graph::depth_first_search_with_named_params(const Param0&, const ArgPack&) [with Param0 = boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >; ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<keywords::tag::visitor, const boost::topo_sort_visitor<std::back_insert_iterator<std::vector<int> > > >, boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<keywords::tag::buffer, const int>, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >, std::integral_constant<bool, true> >; typename boost::result_of<detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type = void]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:409:1:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const typename boost::detail::convert_bgl_params_to_boost_parameter<boost::bgl_named_params<T, Tag, Base> >::type&)>::type boost::depth_first_search(const Param0&, const bgl_named_params<T, Tag, Base>&) [with Param0 = adjacency_list<vecS, vecS, directedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_index_t, int, property<edge_weight_t, double> > >; P = topo_sort_visitor<std::back_insert_iterator<std::vector<int> > >; T = graph_visitor_t; R = bgl_named_params<int, buffer_param_t>; typename result_of<graph::detail::depth_first_search_impl<Param0>(Param0, const typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type&)>::type = void; typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type = parameter::aux::arg_list<parameter::aux::tagged_argument<graph::keywords::tag::visitor, const topo_sort_visitor<std::back_insert_iterator<std::vector<int> > > >, parameter::aux::arg_list<parameter::aux::tagged_argument<graph::keywords::tag::buffer, const int>, parameter::aux::empty_arg_list, std::integral_constant<bool, true> >, std::integral_constant<bool, true> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/topological_sort.hpp:69:23:   required from 'void boost::topological_sort(VertexListGraph&, OutputIterator, const bgl_named_params<P, T, R>&) [with VertexListGraph = adjacency_list<vecS, vecS, directedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_index_t, int, property<edge_weight_t, double> > >; OutputIterator = std::back_insert_iterator<std::vector<int> >; P = int; T = buffer_param_t; R = no_property]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/topological_sort.hpp:75:21:   required from 'void boost::topological_sort(VertexListGraph&, OutputIterator) [with VertexListGraph = adjacency_list<vecS, vecS, directedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_index_t, int, property<edge_weight_t, double> > >; OutputIterator = std::back_insert_iterator<std::vector<int> >]'
bh.cpp:280:19:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:48: warning: 'this' pointer is null [-Wnonnull]
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |                             ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:37:7: note: in a call to non-static member function 'boost::Convertible<X, Y>::~Convertible() [with X = boost::adj_list_dir_traversal_tag; Y = boost::incidence_graph_tag]'
   37 |       ~model()
      |       ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:208:5: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
  208 |     BOOST_CONCEPT_USAGE(Convertible) {
      |     ^~~~~~~~~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp: In instantiation of 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::Assignable<boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >*, std::vector<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >, std::allocator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::Assignable<boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >*, std::vector<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >, std::allocator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:145:5:   required from 'struct boost::Assignable<boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >*, std::vector<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >, std::allocator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:502:3:   required from 'struct boost::InputIterator<boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >*, std::vector<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >, std::allocator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::InputIterator<boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >*, std::vector<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >, std::allocator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::InputIterator<boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >*, std::vector<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >, std::allocator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> > >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   [ skipping 7 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:286:39:   required from 'void boost::depth_first_search(const VertexListGraph&, DFSVisitor, ColorMap, typename graph_traits<Graph>::vertex_descriptor) [with VertexListGraph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; DFSVisitor = detail::components_recorder<int*>; ColorMap = shared_array_property_map<default_color_type, vec_adj_list_vertex_id_map<property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int> >; typename graph_traits<Graph>::vertex_descriptor = long unsigned int]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:397:42:   required from 'void boost::graph::detail::depth_first_search_impl<Graph>::operator()(const Graph&, const ArgPack&) const [with ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<boost::graph::keywords::tag::visitor, const boost::detail::components_recorder<int*> >, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >; Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:406:5:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type boost::graph::depth_first_search_with_named_params(const Param0&, const ArgPack&) [with Param0 = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<keywords::tag::visitor, const boost::detail::components_recorder<int*> >, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >; typename boost::result_of<detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type = void]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:409:1:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const typename boost::detail::convert_bgl_params_to_boost_parameter<boost::bgl_named_params<T, Tag, Base> >::type&)>::type boost::depth_first_search(const Param0&, const bgl_named_params<T, Tag, Base>&) [with Param0 = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; P = detail::components_recorder<int*>; T = graph_visitor_t; R = no_property; typename result_of<graph::detail::depth_first_search_impl<Param0>(Param0, const typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type&)>::type = void; typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type = parameter::aux::arg_list<parameter::aux::tagged_argument<graph::keywords::tag::visitor, const detail::components_recorder<int*> >, parameter::aux::empty_arg_list, std::integral_constant<bool, true> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/connected_components.hpp:106:23:   required from 'typename boost::property_traits<IndexMap>::value_type boost::connected_components(const Graph&, ComponentMap, typename enable_if_c<is_base_and_derived<vertex_list_graph_tag, typename graph_traits<Graph>::traversal_category>::value, graph::detail::no_parameter>::type) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; ComponentMap = int*; typename property_traits<IndexMap>::value_type = int; typename enable_if_c<is_base_and_derived<vertex_list_graph_tag, typename graph_traits<Graph>::traversal_category>::value, graph::detail::no_parameter>::type = graph::detail::no_parameter; typename graph_traits<Graph>::traversal_category = undir_adj_list_traversal_tag]'
bh.cpp:146:23:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:48: warning: 'this' pointer is null [-Wnonnull]
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |                             ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:37:7: note: in a call to non-static member function 'boost::Assignable<TT>::~Assignable() [with TT = boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >*, std::vector<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >, std::allocator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int>]'
   37 |       ~model()
      |       ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:145:5: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
  145 |     BOOST_CONCEPT_USAGE(Assignable) {
      |     ^~~~~~~~~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp: In instantiation of 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::EqualityComparable<boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >*, std::vector<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >, std::allocator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::EqualityComparable<boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >*, std::vector<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >, std::allocator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:233:5:   required from 'struct boost::EqualityComparable<boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >*, std::vector<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >, std::allocator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:502:3:   required from 'struct boost::InputIterator<boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >*, std::vector<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >, std::allocator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::InputIterator<boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >*, std::vector<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >, std::allocator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::InputIterator<boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >*, std::vector<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >, std::allocator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> > >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   [ skipping 7 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:286:39:   required from 'void boost::depth_first_search(const VertexListGraph&, DFSVisitor, ColorMap, typename graph_traits<Graph>::vertex_descriptor) [with VertexListGraph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; DFSVisitor = detail::components_recorder<int*>; ColorMap = shared_array_property_map<default_color_type, vec_adj_list_vertex_id_map<property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int> >; typename graph_traits<Graph>::vertex_descriptor = long unsigned int]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:397:42:   required from 'void boost::graph::detail::depth_first_search_impl<Graph>::operator()(const Graph&, const ArgPack&) const [with ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<boost::graph::keywords::tag::visitor, const boost::detail::components_recorder<int*> >, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >; Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:406:5:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type boost::graph::depth_first_search_with_named_params(const Param0&, const ArgPack&) [with Param0 = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<keywords::tag::visitor, const boost::detail::components_recorder<int*> >, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >; typename boost::result_of<detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type = void]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:409:1:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const typename boost::detail::convert_bgl_params_to_boost_parameter<boost::bgl_named_params<T, Tag, Base> >::type&)>::type boost::depth_first_search(const Param0&, const bgl_named_params<T, Tag, Base>&) [with Param0 = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; P = detail::components_recorder<int*>; T = graph_visitor_t; R = no_property; typename result_of<graph::detail::depth_first_search_impl<Param0>(Param0, const typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type&)>::type = void; typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type = parameter::aux::arg_list<parameter::aux::tagged_argument<graph::keywords::tag::visitor, const detail::components_recorder<int*> >, parameter::aux::empty_arg_list, std::integral_constant<bool, true> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/connected_components.hpp:106:23:   required from 'typename boost::property_traits<IndexMap>::value_type boost::connected_components(const Graph&, ComponentMap, typename enable_if_c<is_base_and_derived<vertex_list_graph_tag, typename graph_traits<Graph>::traversal_category>::value, graph::detail::no_parameter>::type) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; ComponentMap = int*; typename property_traits<IndexMap>::value_type = int; typename enable_if_c<is_base_and_derived<vertex_list_graph_tag, typename graph_traits<Graph>::traversal_category>::value, graph::detail::no_parameter>::type = graph::detail::no_parameter; typename graph_traits<Graph>::traversal_category = undir_adj_list_traversal_tag]'
bh.cpp:146:23:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:48: warning: 'this' pointer is null [-Wnonnull]
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |                             ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:37:7: note: in a call to non-static member function 'boost::EqualityComparable<TT>::~EqualityComparable() [with TT = boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >*, std::vector<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >, std::allocator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int>]'
   37 |       ~model()
      |       ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:233:5: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
  233 |     BOOST_CONCEPT_USAGE(EqualityComparable) {
      |     ^~~~~~~~~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp: In instantiation of 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::InputIterator<boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >*, std::vector<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >, std::allocator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::InputIterator<boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >*, std::vector<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >, std::allocator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:512:7:   required from 'struct boost::InputIterator<boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >*, std::vector<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >, std::allocator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::InputIterator<boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >*, std::vector<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >, std::allocator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::InputIterator<boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >*, std::vector<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >, std::allocator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> > >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::InputIterator<boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >*, std::vector<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >, std::allocator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   [ skipping 6 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:286:39:   required from 'void boost::depth_first_search(const VertexListGraph&, DFSVisitor, ColorMap, typename graph_traits<Graph>::vertex_descriptor) [with VertexListGraph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; DFSVisitor = detail::components_recorder<int*>; ColorMap = shared_array_property_map<default_color_type, vec_adj_list_vertex_id_map<property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int> >; typename graph_traits<Graph>::vertex_descriptor = long unsigned int]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:397:42:   required from 'void boost::graph::detail::depth_first_search_impl<Graph>::operator()(const Graph&, const ArgPack&) const [with ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<boost::graph::keywords::tag::visitor, const boost::detail::components_recorder<int*> >, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >; Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:406:5:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type boost::graph::depth_first_search_with_named_params(const Param0&, const ArgPack&) [with Param0 = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<keywords::tag::visitor, const boost::detail::components_recorder<int*> >, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >; typename boost::result_of<detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type = void]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:409:1:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const typename boost::detail::convert_bgl_params_to_boost_parameter<boost::bgl_named_params<T, Tag, Base> >::type&)>::type boost::depth_first_search(const Param0&, const bgl_named_params<T, Tag, Base>&) [with Param0 = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; P = detail::components_recorder<int*>; T = graph_visitor_t; R = no_property; typename result_of<graph::detail::depth_first_search_impl<Param0>(Param0, const typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type&)>::type = void; typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type = parameter::aux::arg_list<parameter::aux::tagged_argument<graph::keywords::tag::visitor, const detail::components_recorder<int*> >, parameter::aux::empty_arg_list, std::integral_constant<bool, true> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/connected_components.hpp:106:23:   required from 'typename boost::property_traits<IndexMap>::value_type boost::connected_components(const Graph&, ComponentMap, typename enable_if_c<is_base_and_derived<vertex_list_graph_tag, typename graph_traits<Graph>::traversal_category>::value, graph::detail::no_parameter>::type) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; ComponentMap = int*; typename property_traits<IndexMap>::value_type = int; typename enable_if_c<is_base_and_derived<vertex_list_graph_tag, typename graph_traits<Graph>::traversal_category>::value, graph::detail::no_parameter>::type = graph::detail::no_parameter; typename graph_traits<Graph>::traversal_category = undir_adj_list_traversal_tag]'
bh.cpp:146:23:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:48: warning: 'this' pointer is null [-Wnonnull]
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |                             ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:37:7: note: in a call to non-static member function 'boost::InputIterator<TT>::~InputIterator() [with TT = boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >*, std::vector<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >, std::allocator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int>]'
   37 |       ~model()
      |       ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:512:7: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
  512 |       BOOST_CONCEPT_USAGE(InputIterator)
      |       ^~~~~~~~~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::Assignable<boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >*, std::vector<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >, std::allocator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::directed_tag, long unsigned int>, long int> > >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:145:5:   required from 'struct boost::Assignable<boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >*, std::vector<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >, std::allocator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::directed_tag, long unsigned int>, long int> >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:502:3:   required from 'struct boost::InputIterator<boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >*, std::vector<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >, std::allocator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::directed_tag, long unsigned int>, long int> >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::InputIterator<boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >*, std::vector<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >, std::allocator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::directed_tag, long unsigned int>, long int> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::InputIterator<boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >*, std::vector<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >, std::allocator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::directed_tag, long unsigned int>, long int> > >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::InputIterator<boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >*, std::vector<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >, std::allocator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::directed_tag, long unsigned int>, long int> > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   [ skipping 7 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:397:42:   required from 'void boost::graph::detail::depth_first_search_impl<Graph>::operator()(const Graph&, const ArgPack&) const [with ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<boost::graph::keywords::tag::visitor, const boost::topo_sort_visitor<std::back_insert_iterator<std::vector<int> > > >, boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<boost::graph::keywords::tag::buffer, const int>, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >, std::integral_constant<bool, true> >; Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:406:5:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type boost::graph::depth_first_search_with_named_params(const Param0&, const ArgPack&) [with Param0 = boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >; ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<keywords::tag::visitor, const boost::topo_sort_visitor<std::back_insert_iterator<std::vector<int> > > >, boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<keywords::tag::buffer, const int>, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >, std::integral_constant<bool, true> >; typename boost::result_of<detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type = void]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:409:1:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const typename boost::detail::convert_bgl_params_to_boost_parameter<boost::bgl_named_params<T, Tag, Base> >::type&)>::type boost::depth_first_search(const Param0&, const bgl_named_params<T, Tag, Base>&) [with Param0 = adjacency_list<vecS, vecS, directedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_index_t, int, property<edge_weight_t, double> > >; P = topo_sort_visitor<std::back_insert_iterator<std::vector<int> > >; T = graph_visitor_t; R = bgl_named_params<int, buffer_param_t>; typename result_of<graph::detail::depth_first_search_impl<Param0>(Param0, const typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type&)>::type = void; typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type = parameter::aux::arg_list<parameter::aux::tagged_argument<graph::keywords::tag::visitor, const topo_sort_visitor<std::back_insert_iterator<std::vector<int> > > >, parameter::aux::arg_list<parameter::aux::tagged_argument<graph::keywords::tag::buffer, const int>, parameter::aux::empty_arg_list, std::integral_constant<bool, true> >, std::integral_constant<bool, true> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/topological_sort.hpp:69:23:   required from 'void boost::topological_sort(VertexListGraph&, OutputIterator, const bgl_named_params<P, T, R>&) [with VertexListGraph = adjacency_list<vecS, vecS, directedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_index_t, int, property<edge_weight_t, double> > >; OutputIterator = std::back_insert_iterator<std::vector<int> >; P = int; T = buffer_param_t; R = no_property]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/topological_sort.hpp:75:21:   required from 'void boost::topological_sort(VertexListGraph&, OutputIterator) [with VertexListGraph = adjacency_list<vecS, vecS, directedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_index_t, int, property<edge_weight_t, double> > >; OutputIterator = std::back_insert_iterator<std::vector<int> >]'
bh.cpp:280:19:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47: warning: 'this' pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:5: note: in a call to non-static member function 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::Assignable<boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >*, std::vector<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >, std::allocator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::directed_tag, long unsigned int>, long int> >]'
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |     ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::EqualityComparable<boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >*, std::vector<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >, std::allocator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::directed_tag, long unsigned int>, long int> > >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:233:5:   required from 'struct boost::EqualityComparable<boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >*, std::vector<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >, std::allocator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::directed_tag, long unsigned int>, long int> >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:502:3:   required from 'struct boost::InputIterator<boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >*, std::vector<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >, std::allocator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::directed_tag, long unsigned int>, long int> >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::InputIterator<boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >*, std::vector<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >, std::allocator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::directed_tag, long unsigned int>, long int> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::InputIterator<boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >*, std::vector<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >, std::allocator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::directed_tag, long unsigned int>, long int> > >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::InputIterator<boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >*, std::vector<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >, std::allocator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::directed_tag, long unsigned int>, long int> > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   [ skipping 7 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:397:42:   required from 'void boost::graph::detail::depth_first_search_impl<Graph>::operator()(const Graph&, const ArgPack&) const [with ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<boost::graph::keywords::tag::visitor, const boost::topo_sort_visitor<std::back_insert_iterator<std::vector<int> > > >, boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<boost::graph::keywords::tag::buffer, const int>, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >, std::integral_constant<bool, true> >; Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:406:5:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type boost::graph::depth_first_search_with_named_params(const Param0&, const ArgPack&) [with Param0 = boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >; ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<keywords::tag::visitor, const boost::topo_sort_visitor<std::back_insert_iterator<std::vector<int> > > >, boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<keywords::tag::buffer, const int>, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >, std::integral_constant<bool, true> >; typename boost::result_of<detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type = void]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:409:1:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const typename boost::detail::convert_bgl_params_to_boost_parameter<boost::bgl_named_params<T, Tag, Base> >::type&)>::type boost::depth_first_search(const Param0&, const bgl_named_params<T, Tag, Base>&) [with Param0 = adjacency_list<vecS, vecS, directedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_index_t, int, property<edge_weight_t, double> > >; P = topo_sort_visitor<std::back_insert_iterator<std::vector<int> > >; T = graph_visitor_t; R = bgl_named_params<int, buffer_param_t>; typename result_of<graph::detail::depth_first_search_impl<Param0>(Param0, const typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type&)>::type = void; typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type = parameter::aux::arg_list<parameter::aux::tagged_argument<graph::keywords::tag::visitor, const topo_sort_visitor<std::back_insert_iterator<std::vector<int> > > >, parameter::aux::arg_list<parameter::aux::tagged_argument<graph::keywords::tag::buffer, const int>, parameter::aux::empty_arg_list, std::integral_constant<bool, true> >, std::integral_constant<bool, true> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/topological_sort.hpp:69:23:   required from 'void boost::topological_sort(VertexListGraph&, OutputIterator, const bgl_named_params<P, T, R>&) [with VertexListGraph = adjacency_list<vecS, vecS, directedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_index_t, int, property<edge_weight_t, double> > >; OutputIterator = std::back_insert_iterator<std::vector<int> >; P = int; T = buffer_param_t; R = no_property]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/topological_sort.hpp:75:21:   required from 'void boost::topological_sort(VertexListGraph&, OutputIterator) [with VertexListGraph = adjacency_list<vecS, vecS, directedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_index_t, int, property<edge_weight_t, double> > >; OutputIterator = std::back_insert_iterator<std::vector<int> >]'
bh.cpp:280:19:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47: warning: 'this' pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:5: note: in a call to non-static member function 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::EqualityComparable<boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >*, std::vector<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >, std::allocator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::directed_tag, long unsigned int>, long int> >]'
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |     ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::InputIterator<boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >*, std::vector<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >, std::allocator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::directed_tag, long unsigned int>, long int> > >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:512:7:   required from 'struct boost::InputIterator<boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >*, std::vector<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >, std::allocator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::directed_tag, long unsigned int>, long int> >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::InputIterator<boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >*, std::vector<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >, std::allocator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::directed_tag, long unsigned int>, long int> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::InputIterator<boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >*, std::vector<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >, std::allocator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::directed_tag, long unsigned int>, long int> > >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::InputIterator<boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >*, std::vector<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >, std::allocator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::directed_tag, long unsigned int>, long int> > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::InputIterator<boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >*, std::vector<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >, std::allocator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::directed_tag, long unsigned int>, long int> >)>'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:53:35:   [ skipping 6 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:397:42:   required from 'void boost::graph::detail::depth_first_search_impl<Graph>::operator()(const Graph&, const ArgPack&) const [with ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<boost::graph::keywords::tag::visitor, const boost::topo_sort_visitor<std::back_insert_iterator<std::vector<int> > > >, boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<boost::graph::keywords::tag::buffer, const int>, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >, std::integral_constant<bool, true> >; Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:406:5:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type boost::graph::depth_first_search_with_named_params(const Param0&, const ArgPack&) [with Param0 = boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >; ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<keywords::tag::visitor, const boost::topo_sort_visitor<std::back_insert_iterator<std::vector<int> > > >, boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<keywords::tag::buffer, const int>, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >, std::integral_constant<bool, true> >; typename boost::result_of<detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type = void]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:409:1:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const typename boost::detail::convert_bgl_params_to_boost_parameter<boost::bgl_named_params<T, Tag, Base> >::type&)>::type boost::depth_first_search(const Param0&, const bgl_named_params<T, Tag, Base>&) [with Param0 = adjacency_list<vecS, vecS, directedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_index_t, int, property<edge_weight_t, double> > >; P = topo_sort_visitor<std::back_insert_iterator<std::vector<int> > >; T = graph_visitor_t; R = bgl_named_params<int, buffer_param_t>; typename result_of<graph::detail::depth_first_search_impl<Param0>(Param0, const typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type&)>::type = void; typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type = parameter::aux::arg_list<parameter::aux::tagged_argument<graph::keywords::tag::visitor, const topo_sort_visitor<std::back_insert_iterator<std::vector<int> > > >, parameter::aux::arg_list<parameter::aux::tagged_argument<graph::keywords::tag::buffer, const int>, parameter::aux::empty_arg_list, std::integral_constant<bool, true> >, std::integral_constant<bool, true> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/topological_sort.hpp:69:23:   required from 'void boost::topological_sort(VertexListGraph&, OutputIterator, const bgl_named_params<P, T, R>&) [with VertexListGraph = adjacency_list<vecS, vecS, directedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_index_t, int, property<edge_weight_t, double> > >; OutputIterator = std::back_insert_iterator<std::vector<int> >; P = int; T = buffer_param_t; R = no_property]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/topological_sort.hpp:75:21:   required from 'void boost::topological_sort(VertexListGraph&, OutputIterator) [with VertexListGraph = adjacency_list<vecS, vecS, directedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_index_t, int, property<edge_weight_t, double> > >; OutputIterator = std::back_insert_iterator<std::vector<int> >]'
bh.cpp:280:19:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47: warning: 'this' pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:5: note: in a call to non-static member function 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::InputIterator<boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >*, std::vector<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >, std::allocator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::directed_tag, long unsigned int>, long int> >]'
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |     ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::InputIterator<boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >*, std::vector<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >, std::allocator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::directed_tag, long unsigned int>, long int> >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:53:35:   required from 'boost::concepts::MultiPassInputIterator<T>::~MultiPassInputIterator() [with T = boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >*, std::vector<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >, std::allocator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::directed_tag, long unsigned int>, long int>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::MultiPassInputIterator<boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >*, std::vector<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >, std::allocator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::directed_tag, long unsigned int>, long int> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:89:9:   required from 'boost::concepts::IncidenceGraph<G>::~IncidenceGraph() [with G = boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:75:1:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::IncidenceGraphConcept<boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:129:9:   [ skipping 2 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:397:42:   required from 'void boost::graph::detail::depth_first_search_impl<Graph>::operator()(const Graph&, const ArgPack&) const [with ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<boost::graph::keywords::tag::visitor, const boost::topo_sort_visitor<std::back_insert_iterator<std::vector<int> > > >, boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<boost::graph::keywords::tag::buffer, const int>, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >, std::integral_constant<bool, true> >; Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:406:5:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type boost::graph::depth_first_search_with_named_params(const Param0&, const ArgPack&) [with Param0 = boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >; ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<keywords::tag::visitor, const boost::topo_sort_visitor<std::back_insert_iterator<std::vector<int> > > >, boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<keywords::tag::buffer, const int>, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >, std::integral_constant<bool, true> >; typename boost::result_of<detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type = void]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:409:1:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const typename boost::detail::convert_bgl_params_to_boost_parameter<boost::bgl_named_params<T, Tag, Base> >::type&)>::type boost::depth_first_search(const Param0&, const bgl_named_params<T, Tag, Base>&) [with Param0 = adjacency_list<vecS, vecS, directedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_index_t, int, property<edge_weight_t, double> > >; P = topo_sort_visitor<std::back_insert_iterator<std::vector<int> > >; T = graph_visitor_t; R = bgl_named_params<int, buffer_param_t>; typename result_of<graph::detail::depth_first_search_impl<Param0>(Param0, const typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type&)>::type = void; typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type = parameter::aux::arg_list<parameter::aux::tagged_argument<graph::keywords::tag::visitor, const topo_sort_visitor<std::back_insert_iterator<std::vector<int> > > >, parameter::aux::arg_list<parameter::aux::tagged_argument<graph::keywords::tag::buffer, const int>, parameter::aux::empty_arg_list, std::integral_constant<bool, true> >, std::integral_constant<bool, true> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/topological_sort.hpp:69:23:   required from 'void boost::topological_sort(VertexListGraph&, OutputIterator, const bgl_named_params<P, T, R>&) [with VertexListGraph = adjacency_list<vecS, vecS, directedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_index_t, int, property<edge_weight_t, double> > >; OutputIterator = std::back_insert_iterator<std::vector<int> >; P = int; T = buffer_param_t; R = no_property]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/topological_sort.hpp:75:21:   required from 'void boost::topological_sort(VertexListGraph&, OutputIterator) [with VertexListGraph = adjacency_list<vecS, vecS, directedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_index_t, int, property<edge_weight_t, double> > >; OutputIterator = std::back_insert_iterator<std::vector<int> >]'
bh.cpp:280:19:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47: warning: 'this' pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:37:7: note: in a call to non-static member function 'boost::InputIterator<TT>::~InputIterator() [with TT = boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >*, std::vector<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >, std::allocator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::directed_tag, long unsigned int>, long int>]'
   37 |       ~model()
      |       ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:512:7: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
  512 |       BOOST_CONCEPT_USAGE(InputIterator)
      |       ^~~~~~~~~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::Convertible<boost::iterators::detail::iterator_category_with_traversal<std::input_iterator_tag, boost::iterators::random_access_traversal_tag>, std::input_iterator_tag> >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:208:5:   required from 'struct boost::Convertible<boost::iterators::detail::iterator_category_with_traversal<std::input_iterator_tag, boost::iterators::random_access_traversal_tag>, std::input_iterator_tag>'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::Convertible<boost::iterators::detail::iterator_category_with_traversal<std::input_iterator_tag, boost::iterators::random_access_traversal_tag>, std::input_iterator_tag>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::Convertible<boost::iterators::detail::iterator_category_with_traversal<std::input_iterator_tag, boost::iterators::random_access_traversal_tag>, std::input_iterator_tag> >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::Convertible<boost::iterators::detail::iterator_category_with_traversal<std::input_iterator_tag, boost::iterators::random_access_traversal_tag>, std::input_iterator_tag> >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::Convertible<boost::iterators::detail::iterator_category_with_traversal<std::input_iterator_tag, boost::iterators::random_access_traversal_tag>, std::input_iterator_tag>)>'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:515:9:   [ skipping 7 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:286:39:   required from 'void boost::depth_first_search(const VertexListGraph&, DFSVisitor, ColorMap, typename graph_traits<Graph>::vertex_descriptor) [with VertexListGraph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; DFSVisitor = detail::components_recorder<int*>; ColorMap = shared_array_property_map<default_color_type, vec_adj_list_vertex_id_map<property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int> >; typename graph_traits<Graph>::vertex_descriptor = long unsigned int]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:397:42:   required from 'void boost::graph::detail::depth_first_search_impl<Graph>::operator()(const Graph&, const ArgPack&) const [with ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<boost::graph::keywords::tag::visitor, const boost::detail::components_recorder<int*> >, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >; Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:406:5:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type boost::graph::depth_first_search_with_named_params(const Param0&, const ArgPack&) [with Param0 = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<keywords::tag::visitor, const boost::detail::components_recorder<int*> >, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >; typename boost::result_of<detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type = void]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:409:1:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const typename boost::detail::convert_bgl_params_to_boost_parameter<boost::bgl_named_params<T, Tag, Base> >::type&)>::type boost::depth_first_search(const Param0&, const bgl_named_params<T, Tag, Base>&) [with Param0 = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; P = detail::components_recorder<int*>; T = graph_visitor_t; R = no_property; typename result_of<graph::detail::depth_first_search_impl<Param0>(Param0, const typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type&)>::type = void; typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type = parameter::aux::arg_list<parameter::aux::tagged_argument<graph::keywords::tag::visitor, const detail::components_recorder<int*> >, parameter::aux::empty_arg_list, std::integral_constant<bool, true> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/connected_components.hpp:106:23:   required from 'typename boost::property_traits<IndexMap>::value_type boost::connected_components(const Graph&, ComponentMap, typename enable_if_c<is_base_and_derived<vertex_list_graph_tag, typename graph_traits<Graph>::traversal_category>::value, graph::detail::no_parameter>::type) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; ComponentMap = int*; typename property_traits<IndexMap>::value_type = int; typename enable_if_c<is_base_and_derived<vertex_list_graph_tag, typename graph_traits<Graph>::traversal_category>::value, graph::detail::no_parameter>::type = graph::detail::no_parameter; typename graph_traits<Graph>::traversal_category = undir_adj_list_traversal_tag]'
bh.cpp:146:23:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47: warning: 'this' pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:5: note: in a call to non-static member function 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::Convertible<boost::iterators::detail::iterator_category_with_traversal<std::input_iterator_tag, boost::iterators::random_access_traversal_tag>, std::input_iterator_tag>]'
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |     ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::Convertible<boost::iterators::detail::iterator_category_with_traversal<std::input_iterator_tag, boost::iterators::random_access_traversal_tag>, std::input_iterator_tag>]':
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:515:9:   required from 'boost::InputIterator<TT>::~InputIterator() [with TT = boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >*, std::vector<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >, std::allocator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::InputIterator<boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >*, std::vector<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >, std::allocator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:53:35:   required from 'boost::concepts::MultiPassInputIterator<T>::~MultiPassInputIterator() [with T = boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >*, std::vector<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >, std::allocator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::MultiPassInputIterator<boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >*, std::vector<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> >, std::allocator<boost::detail::stored_edge_iter<long unsigned int, std::_List_iterator<boost::list_edge<long unsigned int, boost::property<boost::edge_weight_t, double> > >, boost::property<boost::edge_weight_t, double> > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::undirected_tag, long unsigned int>, long int> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:89:9:   required from 'boost::concepts::IncidenceGraph<G>::~IncidenceGraph() [with G = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/graph_concepts.hpp:75:1:   [ skipping 2 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:286:39:   required from 'void boost::depth_first_search(const VertexListGraph&, DFSVisitor, ColorMap, typename graph_traits<Graph>::vertex_descriptor) [with VertexListGraph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; DFSVisitor = detail::components_recorder<int*>; ColorMap = shared_array_property_map<default_color_type, vec_adj_list_vertex_id_map<property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int> >; typename graph_traits<Graph>::vertex_descriptor = long unsigned int]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:397:42:   required from 'void boost::graph::detail::depth_first_search_impl<Graph>::operator()(const Graph&, const ArgPack&) const [with ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<boost::graph::keywords::tag::visitor, const boost::detail::components_recorder<int*> >, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >; Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:406:5:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type boost::graph::depth_first_search_with_named_params(const Param0&, const ArgPack&) [with Param0 = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<keywords::tag::visitor, const boost::detail::components_recorder<int*> >, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >; typename boost::result_of<detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type = void]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:409:1:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const typename boost::detail::convert_bgl_params_to_boost_parameter<boost::bgl_named_params<T, Tag, Base> >::type&)>::type boost::depth_first_search(const Param0&, const bgl_named_params<T, Tag, Base>&) [with Param0 = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; P = detail::components_recorder<int*>; T = graph_visitor_t; R = no_property; typename result_of<graph::detail::depth_first_search_impl<Param0>(Param0, const typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type&)>::type = void; typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type = parameter::aux::arg_list<parameter::aux::tagged_argument<graph::keywords::tag::visitor, const detail::components_recorder<int*> >, parameter::aux::empty_arg_list, std::integral_constant<bool, true> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/connected_components.hpp:106:23:   required from 'typename boost::property_traits<IndexMap>::value_type boost::connected_components(const Graph&, ComponentMap, typename enable_if_c<is_base_and_derived<vertex_list_graph_tag, typename graph_traits<Graph>::traversal_category>::value, graph::detail::no_parameter>::type) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; ComponentMap = int*; typename property_traits<IndexMap>::value_type = int; typename enable_if_c<is_base_and_derived<vertex_list_graph_tag, typename graph_traits<Graph>::traversal_category>::value, graph::detail::no_parameter>::type = graph::detail::no_parameter; typename graph_traits<Graph>::traversal_category = undir_adj_list_traversal_tag]'
bh.cpp:146:23:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47: warning: 'this' pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:37:7: note: in a call to non-static member function 'boost::Convertible<X, Y>::~Convertible() [with X = boost::iterators::detail::iterator_category_with_traversal<std::input_iterator_tag, boost::iterators::random_access_traversal_tag>; Y = std::input_iterator_tag]'
   37 |       ~model()
      |       ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:208:5: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
  208 |     BOOST_CONCEPT_USAGE(Convertible) {
      |     ^~~~~~~~~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp: In instantiation of 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::Assignable<boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >*, std::vector<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >, std::allocator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::directed_tag, long unsigned int>, long int> >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::Assignable<boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >*, std::vector<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >, std::allocator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::directed_tag, long unsigned int>, long int> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:145:5:   required from 'struct boost::Assignable<boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >*, std::vector<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >, std::allocator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::directed_tag, long unsigned int>, long int> >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:502:3:   required from 'struct boost::InputIterator<boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >*, std::vector<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >, std::allocator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::directed_tag, long unsigned int>, long int> >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::InputIterator<boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >*, std::vector<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >, std::allocator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::directed_tag, long unsigned int>, long int> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::InputIterator<boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >*, std::vector<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >, std::allocator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::directed_tag, long unsigned int>, long int> > >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   [ skipping 8 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:397:42:   required from 'void boost::graph::detail::depth_first_search_impl<Graph>::operator()(const Graph&, const ArgPack&) const [with ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<boost::graph::keywords::tag::visitor, const boost::topo_sort_visitor<std::back_insert_iterator<std::vector<int> > > >, boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<boost::graph::keywords::tag::buffer, const int>, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >, std::integral_constant<bool, true> >; Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:406:5:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type boost::graph::depth_first_search_with_named_params(const Param0&, const ArgPack&) [with Param0 = boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >; ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<keywords::tag::visitor, const boost::topo_sort_visitor<std::back_insert_iterator<std::vector<int> > > >, boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<keywords::tag::buffer, const int>, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >, std::integral_constant<bool, true> >; typename boost::result_of<detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type = void]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:409:1:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const typename boost::detail::convert_bgl_params_to_boost_parameter<boost::bgl_named_params<T, Tag, Base> >::type&)>::type boost::depth_first_search(const Param0&, const bgl_named_params<T, Tag, Base>&) [with Param0 = adjacency_list<vecS, vecS, directedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_index_t, int, property<edge_weight_t, double> > >; P = topo_sort_visitor<std::back_insert_iterator<std::vector<int> > >; T = graph_visitor_t; R = bgl_named_params<int, buffer_param_t>; typename result_of<graph::detail::depth_first_search_impl<Param0>(Param0, const typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type&)>::type = void; typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type = parameter::aux::arg_list<parameter::aux::tagged_argument<graph::keywords::tag::visitor, const topo_sort_visitor<std::back_insert_iterator<std::vector<int> > > >, parameter::aux::arg_list<parameter::aux::tagged_argument<graph::keywords::tag::buffer, const int>, parameter::aux::empty_arg_list, std::integral_constant<bool, true> >, std::integral_constant<bool, true> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/topological_sort.hpp:69:23:   required from 'void boost::topological_sort(VertexListGraph&, OutputIterator, const bgl_named_params<P, T, R>&) [with VertexListGraph = adjacency_list<vecS, vecS, directedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_index_t, int, property<edge_weight_t, double> > >; OutputIterator = std::back_insert_iterator<std::vector<int> >; P = int; T = buffer_param_t; R = no_property]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/topological_sort.hpp:75:21:   required from 'void boost::topological_sort(VertexListGraph&, OutputIterator) [with VertexListGraph = adjacency_list<vecS, vecS, directedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_index_t, int, property<edge_weight_t, double> > >; OutputIterator = std::back_insert_iterator<std::vector<int> >]'
bh.cpp:280:19:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:48: warning: 'this' pointer is null [-Wnonnull]
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |                             ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:37:7: note: in a call to non-static member function 'boost::Assignable<TT>::~Assignable() [with TT = boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >*, std::vector<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >, std::allocator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::directed_tag, long unsigned int>, long int>]'
   37 |       ~model()
      |       ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:145:5: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
  145 |     BOOST_CONCEPT_USAGE(Assignable) {
      |     ^~~~~~~~~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp: In instantiation of 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::EqualityComparable<boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >*, std::vector<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >, std::allocator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::directed_tag, long unsigned int>, long int> >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::EqualityComparable<boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >*, std::vector<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >, std::allocator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::directed_tag, long unsigned int>, long int> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:233:5:   required from 'struct boost::EqualityComparable<boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >*, std::vector<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >, std::allocator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::directed_tag, long unsigned int>, long int> >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:502:3:   required from 'struct boost::InputIterator<boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >*, std::vector<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >, std::allocator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::directed_tag, long unsigned int>, long int> >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::InputIterator<boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >*, std::vector<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >, std::allocator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::directed_tag, long unsigned int>, long int> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::InputIterator<boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >*, std::vector<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >, std::allocator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::directed_tag, long unsigned int>, long int> > >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   [ skipping 8 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:397:42:   required from 'void boost::graph::detail::depth_first_search_impl<Graph>::operator()(const Graph&, const ArgPack&) const [with ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<boost::graph::keywords::tag::visitor, const boost::topo_sort_visitor<std::back_insert_iterator<std::vector<int> > > >, boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<boost::graph::keywords::tag::buffer, const int>, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >, std::integral_constant<bool, true> >; Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:406:5:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type boost::graph::depth_first_search_with_named_params(const Param0&, const ArgPack&) [with Param0 = boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >; ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<keywords::tag::visitor, const boost::topo_sort_visitor<std::back_insert_iterator<std::vector<int> > > >, boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<keywords::tag::buffer, const int>, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >, std::integral_constant<bool, true> >; typename boost::result_of<detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type = void]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:409:1:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const typename boost::detail::convert_bgl_params_to_boost_parameter<boost::bgl_named_params<T, Tag, Base> >::type&)>::type boost::depth_first_search(const Param0&, const bgl_named_params<T, Tag, Base>&) [with Param0 = adjacency_list<vecS, vecS, directedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_index_t, int, property<edge_weight_t, double> > >; P = topo_sort_visitor<std::back_insert_iterator<std::vector<int> > >; T = graph_visitor_t; R = bgl_named_params<int, buffer_param_t>; typename result_of<graph::detail::depth_first_search_impl<Param0>(Param0, const typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type&)>::type = void; typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type = parameter::aux::arg_list<parameter::aux::tagged_argument<graph::keywords::tag::visitor, const topo_sort_visitor<std::back_insert_iterator<std::vector<int> > > >, parameter::aux::arg_list<parameter::aux::tagged_argument<graph::keywords::tag::buffer, const int>, parameter::aux::empty_arg_list, std::integral_constant<bool, true> >, std::integral_constant<bool, true> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/topological_sort.hpp:69:23:   required from 'void boost::topological_sort(VertexListGraph&, OutputIterator, const bgl_named_params<P, T, R>&) [with VertexListGraph = adjacency_list<vecS, vecS, directedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_index_t, int, property<edge_weight_t, double> > >; OutputIterator = std::back_insert_iterator<std::vector<int> >; P = int; T = buffer_param_t; R = no_property]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/topological_sort.hpp:75:21:   required from 'void boost::topological_sort(VertexListGraph&, OutputIterator) [with VertexListGraph = adjacency_list<vecS, vecS, directedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_index_t, int, property<edge_weight_t, double> > >; OutputIterator = std::back_insert_iterator<std::vector<int> >]'
bh.cpp:280:19:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:48: warning: 'this' pointer is null [-Wnonnull]
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |                             ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:37:7: note: in a call to non-static member function 'boost::EqualityComparable<TT>::~EqualityComparable() [with TT = boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >*, std::vector<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >, std::allocator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::directed_tag, long unsigned int>, long int>]'
   37 |       ~model()
      |       ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:233:5: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
  233 |     BOOST_CONCEPT_USAGE(EqualityComparable) {
      |     ^~~~~~~~~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp: In instantiation of 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::InputIterator<boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >*, std::vector<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >, std::allocator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::directed_tag, long unsigned int>, long int> >]':
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::InputIterator<boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >*, std::vector<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >, std::allocator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::directed_tag, long unsigned int>, long int> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:512:7:   required from 'struct boost::InputIterator<boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >*, std::vector<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >, std::allocator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::directed_tag, long unsigned int>, long int> >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::InputIterator<boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >*, std::vector<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >, std::allocator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::directed_tag, long unsigned int>, long int> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::InputIterator<boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >*, std::vector<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >, std::allocator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::directed_tag, long unsigned int>, long int> > >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::InputIterator<boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >*, std::vector<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >, std::allocator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::directed_tag, long unsigned int>, long int> > >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   [ skipping 7 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:397:42:   required from 'void boost::graph::detail::depth_first_search_impl<Graph>::operator()(const Graph&, const ArgPack&) const [with ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<boost::graph::keywords::tag::visitor, const boost::topo_sort_visitor<std::back_insert_iterator<std::vector<int> > > >, boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<boost::graph::keywords::tag::buffer, const int>, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >, std::integral_constant<bool, true> >; Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:406:5:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type boost::graph::depth_first_search_with_named_params(const Param0&, const ArgPack&) [with Param0 = boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >; ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<keywords::tag::visitor, const boost::topo_sort_visitor<std::back_insert_iterator<std::vector<int> > > >, boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<keywords::tag::buffer, const int>, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >, std::integral_constant<bool, true> >; typename boost::result_of<detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type = void]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:409:1:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const typename boost::detail::convert_bgl_params_to_boost_parameter<boost::bgl_named_params<T, Tag, Base> >::type&)>::type boost::depth_first_search(const Param0&, const bgl_named_params<T, Tag, Base>&) [with Param0 = adjacency_list<vecS, vecS, directedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_index_t, int, property<edge_weight_t, double> > >; P = topo_sort_visitor<std::back_insert_iterator<std::vector<int> > >; T = graph_visitor_t; R = bgl_named_params<int, buffer_param_t>; typename result_of<graph::detail::depth_first_search_impl<Param0>(Param0, const typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type&)>::type = void; typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type = parameter::aux::arg_list<parameter::aux::tagged_argument<graph::keywords::tag::visitor, const topo_sort_visitor<std::back_insert_iterator<std::vector<int> > > >, parameter::aux::arg_list<parameter::aux::tagged_argument<graph::keywords::tag::buffer, const int>, parameter::aux::empty_arg_list, std::integral_constant<bool, true> >, std::integral_constant<bool, true> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/topological_sort.hpp:69:23:   required from 'void boost::topological_sort(VertexListGraph&, OutputIterator, const bgl_named_params<P, T, R>&) [with VertexListGraph = adjacency_list<vecS, vecS, directedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_index_t, int, property<edge_weight_t, double> > >; OutputIterator = std::back_insert_iterator<std::vector<int> >; P = int; T = buffer_param_t; R = no_property]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/topological_sort.hpp:75:21:   required from 'void boost::topological_sort(VertexListGraph&, OutputIterator) [with VertexListGraph = adjacency_list<vecS, vecS, directedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_index_t, int, property<edge_weight_t, double> > >; OutputIterator = std::back_insert_iterator<std::vector<int> >]'
bh.cpp:280:19:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:48: warning: 'this' pointer is null [-Wnonnull]
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |                             ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:37:7: note: in a call to non-static member function 'boost::InputIterator<TT>::~InputIterator() [with TT = boost::detail::out_edge_iter<__gnu_cxx::__normal_iterator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >*, std::vector<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > >, std::allocator<boost::detail::stored_edge_property<long unsigned int, boost::property<boost::edge_index_t, int, boost::property<boost::edge_weight_t, double> > > > > >, long unsigned int, boost::detail::edge_desc_impl<boost::directed_tag, long unsigned int>, long int>]'
   37 |       ~model()
      |       ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:512:7: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
  512 |       BOOST_CONCEPT_USAGE(InputIterator)
      |       ^~~~~~~~~~~~~~~~~~~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp: In instantiation of 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::Convertible<boost::iterators::detail::iterator_category_with_traversal<std::input_iterator_tag, boost::iterators::random_access_traversal_tag>, std::input_iterator_tag>]':
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:50:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::Convertible<boost::iterators::detail::iterator_category_with_traversal<std::input_iterator_tag, boost::iterators::random_access_traversal_tag>, std::input_iterator_tag> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:208:5:   required from 'struct boost::Convertible<boost::iterators::detail::iterator_category_with_traversal<std::input_iterator_tag, boost::iterators::random_access_traversal_tag>, std::input_iterator_tag>'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::Convertible<boost::iterators::detail::iterator_category_with_traversal<std::input_iterator_tag, boost::iterators::random_access_traversal_tag>, std::input_iterator_tag>]'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::Convertible<boost::iterators::detail::iterator_category_with_traversal<std::input_iterator_tag, boost::iterators::random_access_traversal_tag>, std::input_iterator_tag> >::value'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::Convertible<boost::iterators::detail::iterator_category_with_traversal<std::input_iterator_tag, boost::iterators::random_access_traversal_tag>, std::input_iterator_tag> >'
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/detail/general.hpp:72:8:   [ skipping 8 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:286:39:   required from 'void boost::depth_first_search(const VertexListGraph&, DFSVisitor, ColorMap, typename graph_traits<Graph>::vertex_descriptor) [with VertexListGraph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; DFSVisitor = detail::components_recorder<int*>; ColorMap = shared_array_property_map<default_color_type, vec_adj_list_vertex_id_map<property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, long unsigned int> >; typename graph_traits<Graph>::vertex_descriptor = long unsigned int]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:397:42:   required from 'void boost::graph::detail::depth_first_search_impl<Graph>::operator()(const Graph&, const ArgPack&) const [with ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<boost::graph::keywords::tag::visitor, const boost::detail::components_recorder<int*> >, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >; Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:406:5:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type boost::graph::depth_first_search_with_named_params(const Param0&, const ArgPack&) [with Param0 = boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS, boost::property<boost::vertex_index_t, int, boost::property<boost::vertex_name_t, std::__cxx11::basic_string<char> > >, boost::property<boost::edge_weight_t, double> >; ArgPack = boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<keywords::tag::visitor, const boost::detail::components_recorder<int*> >, boost::parameter::aux::empty_arg_list, std::integral_constant<bool, true> >; typename boost::result_of<detail::depth_first_search_impl<Param0>(Param0, const ArgPack&)>::type = void]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/depth_first_search.hpp:409:1:   required from 'typename boost::result_of<boost::graph::detail::depth_first_search_impl<Param0>(Param0, const typename boost::detail::convert_bgl_params_to_boost_parameter<boost::bgl_named_params<T, Tag, Base> >::type&)>::type boost::depth_first_search(const Param0&, const bgl_named_params<T, Tag, Base>&) [with Param0 = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; P = detail::components_recorder<int*>; T = graph_visitor_t; R = no_property; typename result_of<graph::detail::depth_first_search_impl<Param0>(Param0, const typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type&)>::type = void; typename detail::convert_bgl_params_to_boost_parameter<bgl_named_params<T, Tag, Base> >::type = parameter::aux::arg_list<parameter::aux::tagged_argument<graph::keywords::tag::visitor, const detail::components_recorder<int*> >, parameter::aux::empty_arg_list, std::integral_constant<bool, true> >]'
/data/gannet/ripley/R/test-dev/BH/include/boost/graph/connected_components.hpp:106:23:   required from 'typename boost::property_traits<IndexMap>::value_type boost::connected_components(const Graph&, ComponentMap, typename enable_if_c<is_base_and_derived<vertex_list_graph_tag, typename graph_traits<Graph>::traversal_category>::value, graph::detail::no_parameter>::type) [with Graph = adjacency_list<vecS, vecS, undirectedS, property<vertex_index_t, int, property<vertex_name_t, std::__cxx11::basic_string<char> > >, property<edge_weight_t, double> >; ComponentMap = int*; typename property_traits<IndexMap>::value_type = int; typename enable_if_c<is_base_and_derived<vertex_list_graph_tag, typename graph_traits<Graph>::traversal_category>::value, graph::detail::no_parameter>::type = graph::detail::no_parameter; typename graph_traits<Graph>::traversal_category = undir_adj_list_traversal_tag]'
bh.cpp:146:23:   required from here
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:20:48: warning: 'this' pointer is null [-Wnonnull]
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |                             ~~~~~~~~~~~~~~~~~~~^~
/data/gannet/ripley/R/test-dev/BH/include/boost/concept/usage.hpp:37:7: note: in a call to non-static member function 'boost::Convertible<X, Y>::~Convertible() [with X = boost::iterators::detail::iterator_category_with_traversal<std::input_iterator_tag, boost::iterators::random_access_traversal_tag>; Y = std::input_iterator_tag]'
   37 |       ~model()
      |       ^
/data/gannet/ripley/R/test-dev/BH/include/boost/concept_check.hpp:208:5: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
  208 |     BOOST_CONCEPT_USAGE(Convertible) {
      |     ^~~~~~~~~~~~~~~~~~~
g++-13 -std=gnu++17 -I"/data/gannet/ripley/R/R-devel/include" -DNDEBUG -I../inst/include -I'/data/gannet/ripley/R/test-dev/Rcpp/include' -I'/data/gannet/ripley/R/test-dev/BH/include' -I/usr/local/include    -fpic  -g -O2 -Wall -pedantic -mtune=native -Wno-ignored-attributes -Wno-parentheses -Wp,-D_FORTIFY_SOURCE=3 -fexceptions -fstack-protector-strong -fstack-clash-protection -fcf-protection   -c data.cpp -o data.o
g++-13 -std=gnu++17 -I"/data/gannet/ripley/R/R-devel/include" -DNDEBUG -I../inst/include -I'/data/gannet/ripley/R/test-dev/Rcpp/include' -I'/data/gannet/ripley/R/test-dev/BH/include' -I/usr/local/include    -fpic  -g -O2 -Wall -pedantic -mtune=native -Wno-ignored-attributes -Wno-parentheses -Wp,-D_FORTIFY_SOURCE=3 -fexceptions -fstack-protector-strong -fstack-clash-protection -fcf-protection   -c graph-internal.cpp -o graph-internal.o
g++-13 -std=gnu++17 -I"/data/gannet/ripley/R/R-devel/include" -DNDEBUG -I../inst/include -I'/data/gannet/ripley/R/test-dev/Rcpp/include' -I'/data/gannet/ripley/R/test-dev/BH/include' -I/usr/local/include    -fpic  -g -O2 -Wall -pedantic -mtune=native -Wno-ignored-attributes -Wno-parentheses -Wp,-D_FORTIFY_SOURCE=3 -fexceptions -fstack-protector-strong -fstack-clash-protection -fcf-protection   -c infer-test-wrappers.cpp -o infer-test-wrappers.o
g++-13 -std=gnu++17 -I"/data/gannet/ripley/R/R-devel/include" -DNDEBUG -I../inst/include -I'/data/gannet/ripley/R/test-dev/Rcpp/include' -I'/data/gannet/ripley/R/test-dev/BH/include' -I/usr/local/include    -fpic  -g -O2 -Wall -pedantic -mtune=native -Wno-ignored-attributes -Wno-parentheses -Wp,-D_FORTIFY_SOURCE=3 -fexceptions -fstack-protector-strong -fstack-clash-protection -fcf-protection   -c infer.cpp -o infer.o
g++-13 -std=gnu++17 -I"/data/gannet/ripley/R/R-devel/include" -DNDEBUG -I../inst/include -I'/data/gannet/ripley/R/test-dev/Rcpp/include' -I'/data/gannet/ripley/R/test-dev/BH/include' -I/usr/local/include    -fpic  -g -O2 -Wall -pedantic -mtune=native -Wno-ignored-attributes -Wno-parentheses -Wp,-D_FORTIFY_SOURCE=3 -fexceptions -fstack-protector-strong -fstack-clash-protection -fcf-protection   -c multidim-array.cpp -o multidim-array.o
g++-13 -std=gnu++17 -I"/data/gannet/ripley/R/R-devel/include" -DNDEBUG -I../inst/include -I'/data/gannet/ripley/R/test-dev/Rcpp/include' -I'/data/gannet/ripley/R/test-dev/BH/include' -I/usr/local/include    -fpic  -g -O2 -Wall -pedantic -mtune=native -Wno-ignored-attributes -Wno-parentheses -Wp,-D_FORTIFY_SOURCE=3 -fexceptions -fstack-protector-strong -fstack-clash-protection -fcf-protection   -c table.cpp -o table.o
g++-13 -std=gnu++17 -shared -L/usr/local/gcc13/lib64 -L/usr/local/lib64 -L/usr/local/clang18/lib/x86_64-unknown-linux-gnu -o bnclassify.so RcppExports.o anb-operate.o basic-misc.o basic-probs.o bh.o data.o graph-internal.o infer-test-wrappers.o infer.o multidim-array.o table.o
make[1]: Leaving directory '/data/gannet/ripley/R/packages/tests-devel/bnclassify/src'
make[1]: Entering directory '/data/gannet/ripley/R/packages/tests-devel/bnclassify/src'
make[1]: Leaving directory '/data/gannet/ripley/R/packages/tests-devel/bnclassify/src'
installing to /data/gannet/ripley/R/packages/tests-devel/bnclassify.Rcheck/00LOCK-bnclassify/00new/bnclassify/libs
** R
** data
** inst
** byte-compile and prepare package for lazy loading
** help
*** installing help indices
*** copying figures
** building package indices
** installing vignettes
** testing if installed package can be loaded from temporary location
** checking absolute paths in shared objects and dynamic libraries
** testing if installed package can be loaded from final location
** testing if installed package keeps a record of temporary installation path
* DONE (bnclassify)