• using R Under development (unstable) (2026-09-22 r90584)
• using platform: x86_64-pc-linux-gnu
• R was compiled by     clang version 23.1.1     flang version 23.1.1
• running under: Fedora Linux 44 (Server Edition)
• using session charset: UTF-8 * current time: 2026-09-24 00:29:15 UTC
• using option ‘--no-stop-on-test-error’
• checking for file ‘s2/DESCRIPTION’ ... OK
• this is package ‘s2’ version ‘1.1.12’
• package encoding: UTF-8
• checking package namespace information ... OK
• checking package dependencies ... OK
• checking if this is a source package ... OK
• checking if there is a namespace ... OK
• checking for executable files ... OK
• checking for hidden files and directories ... OK
• checking for portable file names ... OK
• checking for sufficient/correct file permissions ... OK
• checking whether package ‘s2’ can be installed ... [422s/321s] WARNING Found the following significant warnings:   ../src/s2/util/coding/coder.h:161:44: warning: 'exchange<char *, char *>' is deprecated [-Wdeprecated-declarations]   ../src/s2/util/coding/coder.h:493:23: warning: 'is_trivially_copy_constructible' is deprecated [-Wdeprecated-declarations]   ../src/s2/util/coding/coder.h:495:23: warning: 'is_trivially_copy_assignable' is deprecated [-Wdeprecated-declarations]   ../src/s2/util/coding/coder.h:497:23: warning: 'is_trivially_destructible' is deprecated [-Wdeprecated-declarations]   ../src/s2/util/math/vector.h:62:34: warning: 'make_index_sequence' is deprecated: Use std::make_index_sequence instead. [-Wdeprecated-declarations]   ../src/s2/util/math/vector.h:70:31: warning: 'index_sequence' is deprecated: Use std::index_sequence instead. [-Wdeprecated-declarations]   ../src/s2/util/math/vector.h:311:53: warning: 'index_sequence' is deprecated: Use std::index_sequence instead. [-Wdeprecated-declarations]   ../src/s2/util/math/vector.h:317:46: warning: 'index_sequence' is deprecated: Use std::index_sequence instead. [-Wdeprecated-declarations]   ../src/s2/util/math/vector.h:322:47: warning: 'index_sequence' is deprecated: Use std::index_sequence instead. [-Wdeprecated-declarations]   ../src/s2/util/math/vector.h:327:38: warning: 'index_sequence' is deprecated: Use std::index_sequence instead. [-Wdeprecated-declarations]   ../src/s2/util/math/vector.h:332:38: warning: 'index_sequence' is deprecated: Use std::index_sequence instead. [-Wdeprecated-declarations]   ../src/s2/util/gtl/compact_array.h:523:23: warning: 'is_trivially_copy_constructible' is deprecated [-Wdeprecated-declarations]   ../src/s2/util/gtl/compact_array.h:524:23: warning: 'is_trivially_copy_assignable' is deprecated [-Wdeprecated-declarations]   ../src/s2/util/gtl/compact_array.h:525:23: warning: 'is_trivially_destructible' is deprecated [-Wdeprecated-declarations]   ../src/s2/util/gtl/compact_array.h:362:16: warning: 'is_trivially_default_constructible' is deprecated [-Wdeprecated-declarations]   ../src/s2/s2cell_iterator.h:89:3: warning: 'decay_t' is deprecated [-Wdeprecated-declarations]   s2/mutable_s2shape_index.cc:470:38: warning: 'exchange<int, int>' is deprecated [-Wdeprecated-declarations]   s2/mutable_s2shape_index.cc:483:36: warning: 'exchange<int, int>' is deprecated [-Wdeprecated-declarations]   s2/s2lax_loop_shape.cc:38:27: warning: 'exchange<int, int>' is deprecated [-Wdeprecated-declarations]   s2/s2lax_loop_shape.cc:43:25: warning: 'exchange<int, int>' is deprecated [-Wdeprecated-declarations]   s2/s2lax_loop_shape.cc:95:27: warning: 'exchange<int, int>' is deprecated [-Wdeprecated-declarations]   s2/s2lax_loop_shape.cc:102:25: warning: 'exchange<int, int>' is deprecated [-Wdeprecated-declarations]   s2/s2loop.cc:113:20: warning: 'exchange<int, int>' is deprecated [-Wdeprecated-declarations]   s2/s2loop.cc:114:27: warning: 'exchange<int, int>' is deprecated [-Wdeprecated-declarations]   s2/s2loop.cc:132:18: warning: 'exchange<int, int>' is deprecated [-Wdeprecated-declarations]   s2/s2loop.cc:133:25: warning: 'exchange<int, int>' is deprecated [-Wdeprecated-declarations]   /usr/local/clang/include/absl/strings/cord.h../src/s2/util/math/vector.h::98670::4031:: warning: warning: type nullability specifier '_Nonnull' is a Clang extension [-Wnullability-extension]'index_sequence' is deprecated: Use std::index_sequence instead. [-Wdeprecated-declarations]   ../src/s2/util/math/vector.h:332:38: warning: In file included from 'index_sequence' is deprecated: Use std::index_sequence instead. [-Wdeprecated-declarations]s2/s2predicates.cc   ../src/s2/util/math/vector.h../src/s2/util/math/matrix3x3.h::70276::315:: warning: warning: 'index_sequence' is deprecated: Use std::index_sequence instead. [-Wdeprecated-declarations]type nullability specifier '_Nonnull' is a Clang extension [-Wnullability-extension]   ../src/s2/util/math/vector.h:/usr/local/clang/include/absl/base/nullability.h70::24131::22 : warning: note: 'index_sequence' is deprecated: Use std::index_sequence instead. [-Wdeprecated-declarations]expanded from macro 'absl_nonnull'   ../src/s2/util/math/vector.h:70:31: warning: In file included from 'index_sequence' is deprecated: Use std::index_sequence instead. [-Wdeprecated-declarations]s2/s2region_term_indexer.cc   /usr/local/clang/include/absl/log/internal/check_op.h../src/s2/util/math/vector.h::52170::1731:: warning: warning: type nullability specifier '_Nullable' is a Clang extension [-Wnullability-extension]'index_sequence' is deprecated: Use std::index_sequence instead. [-Wdeprecated-declarations]   : warning: 'index_sequence' is deprecated: Use std::index_sequence instead. [-Wdeprecated-declarations]   ../src/s2/util/math/vector.h:../src/s2/s2point.h70::14631::18 : warning: note: 'index_sequence' is deprecated: Use std::index_sequence instead. [-Wdeprecated-declarations]   :31: warning: 'index_sequence' is deprecated: Use std::index_sequence instead. [-Wdeprecated-declarations]../src/s2/util/math/vector.h   ../src/s2/util/math/vector.h../src/s2/util/math/vector.h::20870::1231:: note: warning: in instantiation of function template specialization 'util::math::internal_vector::BasicVector<Vector3, double, 3>::Generate<Vector3<double>, (lambda at ../src/s2/util/math/vector.h:209:9), const Vector3<double> &>' requested here'index_sequence' is deprecated: Use std::index_sequence instead. [-Wdeprecated-declarations]   ../src/s2/util/math/vector.h:../src/s2/util/math/vector.h70::20831::12 : warning: note: 'index_sequence' is deprecated: Use std::index_sequence instead. [-Wdeprecated-declarations]   ../src/s2/util/math/vector.h:../src/s2/s2point.h70::16131::41 : warning: note: 'index_sequence' is deprecated: Use std::index_sequence instead. [-Wdeprecated-declarations]in instantiation of member function 'util::math::internal_vector::BasicVector<Vector3, double, 3>::FRound' requested here   ../src/s2/s2shape_index.h:308:3: warning: 'decay_t' is deprecated [-Wdeprecated-declarations]   ../src/s2/s2cell_range_iterator.h:122:36: warning: 'decay_t' is deprecated [-Wdeprecated-declarations]   32: warning: 'exchange<unsigned char *, std::nullptr_t>' is deprecated [-Wdeprecated-declarations]   s2/util/coding/coder.cc:44:18: warning: 'exchange<unsigned char *, std::nullptr_t>' is deprecated [-Wdeprecated-declarations] See the install log for details.
• used C compiler: ‘clang version 23.1.1’
• used C++ compiler: ‘clang version 23.1.1’
• checking C++ specification ... INFO   specified C++17
• checking installed package size ... INFO   installed size is 6.6Mb   sub-directories of 1Mb or more:     libs 5.3Mb
• checking package directory ... OK
• checking DESCRIPTION meta-information ... OK
• checking top-level files ... OK
• checking for left-over files ... OK
• checking index information ... OK
• checking package subdirectories ... OK
• checking code files for non-ASCII characters ... OK
• checking R files for syntax errors ... OK
• checking whether the package can be loaded ... OK
• checking whether the package can be loaded with stated dependencies ... OK
• checking whether the package can be unloaded cleanly ... OK
• checking whether the namespace can be loaded with stated dependencies ... OK
• checking whether the namespace can be unloaded cleanly ... OK
• checking loading without being on the library search path ... OK
• checking whether startup messages can be suppressed ... OK
• checking use of S3 registration ... OK
• checking dependencies in R code ... OK
• checking S3 generic/method consistency ... OK
• checking replacement functions ... OK
• checking foreign function calls ... OK
• checking R code for possible problems ... OK
• checking Rd files ... OK
• checking Rd metadata ... OK
• checking Rd line widths ... OK
• checking Rd cross-references ... INFO Undeclared package ‘sf’ in Rd xrefs
• checking for missing documentation entries ... OK
• checking for code/documentation mismatches ... OK
• checking Rd \usage sections ... OK
• checking Rd contents ... OK
• checking for unstated dependencies in examples ... OK
• checking contents of ‘data’ directory ... OK
• checking data for non-ASCII characters ... OK
• checking LazyData ... OK
• checking data for ASCII and uncompressed saves ... OK
• checking line endings in shell scripts ... OK
• checking line endings in C/C++/Fortran sources/headers ... OK
• checking line endings in Makefiles ... OK
• checking compilation flags in Makevars ... OK
• checking for GNU extensions in Makefiles ... OK
• checking for portable use of $(BLAS_LIBS) and $(LAPACK_LIBS) ... OK
• checking use of PKG_*FLAGS in Makefiles ... OK
• checking use of SHLIB_OPENMP_*FLAGS in Makefiles ... OK
• checking pragmas in C/C++ headers and code ... OK
• checking compilation flags used ... OK
• checking compiled code ... OK
• checking examples ... OK
• checking for unstated dependencies in ‘tests’ ... OK
• checking tests ... [17s/18s] OK   Running ‘area.R’   Comparing ‘area.Rout’ to ‘area.Rout.save’ ... OK   Running ‘testthat.R’ [16s/17s]
• checking PDF version of manual ... OK
• checking HTML version of manual ... OK
• checking for non-standard things in the check directory ... OK
• checking for detritus in the temp directory ... OK
• DONE

Status: 1 WARNING