Found the following significant warnings:
  D:/RCompile/CRANpkg/lib/4.2/BH/include/boost/container/detail/copy_move_algo.hpp:184:19: warning: 'void* memmove(void*, const void*, size_t)' writing to an object of type 'value_type' {aka 'struct std::pair<CGAL::SM_Halfedge_index, CGAL::SM_Halfedge_index>'} with no trivial copy-assignment; use copy-assignment or copy-initialization instead [-Wclass-memaccess]
  D:/RCompile/CRANpkg/lib/4.2/BH/include/boost/container/detail/copy_move_algo.hpp:214:19: warning: 'void* memmove(void*, const void*, size_t)' writing to an object of type 'boost::movelib::detail::iterator_to_element_ptr<std::pair<CGAL::SM_Halfedge_index, CGAL::SM_Halfedge_index>*>::element_type' {aka 'struct std::pair<CGAL::SM_Halfedge_index, CGAL::SM_Halfedge_index>'} with no trivial copy-assignment; use copy-assignment or copy-initialization instead [-Wclass-memaccess]
  D:/RCompile/CRANpkg/lib/4.2/BH/include/boost/container/detail/copy_move_algo.hpp:184:19: warning: 'void* memmove(void*, const void*, size_t)' writing to an object of type 'value_type' {aka 'struct std::pair<CGAL::internal::CC_iterator<CGAL::Compact_container<CGAL::Constrained_triangulation_face_base_2<CGAL::Projection_traits_3<CGAL::Epeck, true>, CGAL::Triangulation_face_base_with_info_2<CGAL::nef_to_pm::FaceInfo2, CGAL::Projection_traits_3<CGAL::Epeck, true>, CGAL::Triangulation_face_base_2<CGAL::Projection_traits_3<CGAL::Epeck, true>, CGAL::Triangulation_ds_face_base_2<CGAL::Triangulation_data_structure_2<CGAL::Triangulation_vertex_base_with_info_2<long long unsigned int, CGAL::Projection_traits_3<CGAL::Epeck, true>, CGAL::Triangulation_vertex_base_2<CGAL::Projection_traits_3<CGAL::Epeck, true>, CGAL::Triangulation_ds_vertex_base_2<void> > >, CGAL::Constrained_triangulation_face_base_2<CGAL::Projection_traits_3<CGAL::Epeck, true>, CGAL::Triangulation_face_base_with_info_2<CGAL::nef_to_pm::FaceInfo2, CGAL::Projection_traits_3<CGAL::Epeck, true>, CGAL::Triangulation_face_base_2<CGAL::Projection_traits_3<CGAL::Epeck, true>, CGAL::Triangulation_ds_face_base_2<void> > > > > > > > >, CGAL::Default, CGAL::Default, CGAL::Default>, false>, int>'} with no trivial copy-assignment; use copy-assignment or copy-initialization instead [-Wclass-memaccess]
  D:/RCompile/CRANpkg/lib/4.2/BH/include/boost/container/detail/copy_move_algo.hpp:184:19: warning: 'void* memmove(void*, const void*, size_t)' writing to an object of type 'value_type' {aka 'struct std::pair<CGAL::internal::CC_iterator<CGAL::Compact_container<CGAL::Constrained_triangulation_face_base_2<CGAL::Projection_traits_3<CGAL::Epeck, true>, CGAL::Triangulation_face_base_2<CGAL::Projection_traits_3<CGAL::Epeck, true>, CGAL::Triangulation_ds_face_base_2<CGAL::Triangulation_data_structure_2<CGAL::Triangulation_vertex_base_with_info_2<long long unsigned int, CGAL::Projection_traits_3<CGAL::Epeck, true>, CGAL::Triangulation_vertex_base_2<CGAL::Projection_traits_3<CGAL::Epeck, true>, CGAL::Triangulation_ds_vertex_base_2<void> > >, CGAL::Constrained_triangulation_face_base_2<CGAL::Projection_traits_3<CGAL::Epeck, true>, CGAL::Triangulation_face_base_2<CGAL::Projection_traits_3<CGAL::Epeck, true>, CGAL::Triangulation_ds_face_base_2<void> > > > > > >, CGAL::Default, CGAL::Default, CGAL::Default>, false>, int>'} with no trivial copy-assignment; use copy-assignment or copy-initialization instead [-Wclass-memaccess]
  D:/RCompile/CRANpkg/lib/4.2/BH/include/boost/container/detail/copy_move_algo.hpp:184:19: warning: 'void* memmove(void*, const void*, size_t)' writing to an object of type 'value_type' {aka 'struct std::pair<CGAL::internal::CC_iterator<CGAL::Compact_container<CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_with_info_3<int, CGAL::Epick, CGAL::Triangulation_vertex_base_3<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_3<void> > >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_cell_base_3<CGAL::Epick, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > > >, CGAL::Default, CGAL::Default, CGAL::Default>, false>, int>'} with no trivial copy-assignment; use copy-assignment or copy-initialization instead [-Wclass-memaccess]
  D:/RCompile/CRANpkg/lib/4.2/BH/include/boost/container/detail/copy_move_algo.hpp:184:19: warning: 'void* memmove(void*, const void*, size_t)' writing to an object of type 'value_type' {aka 'struct std::pair<CGAL::internal::CC_iterator<CGAL::Compact_container<CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epeck, CGAL::Triangulation_cell_base_3<CGAL::Epeck, CGAL::Triangulation_ds_cell_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_with_info_3<int, CGAL::Epeck, CGAL::Triangulation_vertex_base_3<CGAL::Epeck, CGAL::Triangulation_ds_vertex_base_3<void> > >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Epeck, CGAL::Triangulation_cell_base_3<CGAL::Epeck, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > > >, CGAL::Default, CGAL::Default, CGAL::Default>, false>, int>'} with no trivial copy-assignment; use copy-assignment or copy-initialization instead [-Wclass-memaccess]
  D:/RCompile/CRANpkg/lib/4.2/BH/include/boost/container/detail/copy_move_algo.hpp:184:19: warning: 'void* memmove(void*, const void*, size_t)' writing to an object of type 'value_type' {aka 'struct std::pair<CGAL::internal::CC_iterator<CGAL::Compact_container<CGAL::Delaunay_triangulation_cell_base_3<CGAL::Cartesian<CGAL::Gmpq>, CGAL::Triangulation_cell_base_3<CGAL::Cartesian<CGAL::Gmpq>, CGAL::Triangulation_ds_cell_base_3<CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_with_info_3<int, CGAL::Cartesian<CGAL::Gmpq>, CGAL::Triangulation_vertex_base_3<CGAL::Cartesian<CGAL::Gmpq>, CGAL::Triangulation_ds_vertex_base_3<void> > >, CGAL::Delaunay_triangulation_cell_base_3<CGAL::Cartesian<CGAL::Gmpq>, CGAL::Triangulation_cell_base_3<CGAL::Cartesian<CGAL::Gmpq>, CGAL::Triangulation_ds_cell_base_3<void> > >, CGAL::Sequential_tag> > > >, CGAL::Default, CGAL::Default, CGAL::Default>, false>, int>'} with no trivial copy-assignment; use copy-assignment or copy-initialization instead [-Wclass-memaccess]
  D:/RCompile/CRANpkg/lib/4.2/BH/include/boost/container/detail/copy_move_algo.hpp:184:19: warning: 'void* memmove(void*, const void*, size_t)' writing to an object of type 'value_type' {aka 'struct std::pair<CGAL::internal::CC_iterator<CGAL::Compact_container<CGAL::Constrained_triangulation_face_base_2<CGAL::Projection_traits_3<CGAL::Cartesian<CGAL::Gmpq>, false>, CGAL::Triangulation_face_base_with_info_2<bool, CGAL::Projection_traits_3<CGAL::Cartesian<CGAL::Gmpq>, false>, CGAL::Triangulation_face_base_2<CGAL::Projection_traits_3<CGAL::Cartesian<CGAL::Gmpq>, false>, CGAL::Triangulation_ds_face_base_2<CGAL::Triangulation_data_structure_2<CGAL::Triangulation_vertex_base_with_info_2<long long unsigned int, CGAL::Projection_traits_3<CGAL::Cartesian<CGAL::Gmpq>, false>, CGAL::Triangulation_vertex_base_2<CGAL::Projection_traits_3<CGAL::Cartesian<CGAL::Gmpq>, false>, CGAL::Triangulation_ds_vertex_base_2<void> > >, CGAL::Constrained_triangulation_face_base_2<CGAL::Projection_traits_3<CGAL::Cartesian<CGAL::Gmpq>, false>, CGAL::Triangulation_face_base_with_info_2<bool, CGAL::Projection_traits_3<CGAL::Cartesian<CGAL::Gmpq>, false>, CGAL::Triangulation_face_base_2<CGAL::Projection_traits_3<CGAL::Cartesian<CGAL::Gmpq>, false>, CGAL::Triangulation_ds_face_base_2<void> > > > > > > > >, CGAL::Default, CGAL::Default, CGAL::Default>, false>, int>'} with no trivial copy-assignment; use copy-assignment or copy-initialization instead [-Wclass-memaccess]
  D:/RCompile/CRANpkg/lib/4.2/BH/include/boost/container/detail/copy_move_algo.hpp:184:19: warning: 'void* memmove(void*, const void*, size_t)' writing to an object of type 'value_type' {aka 'struct std::pair<CGAL::internal::CC_iterator<CGAL::Compact_container<CGAL::Constrained_triangulation_face_base_2<CGAL::Projection_traits_3<CGAL::Epeck, true>, CGAL::Triangulation_face_base_with_info_2<bool, CGAL::Projection_traits_3<CGAL::Epeck, true>, CGAL::Triangulation_face_base_2<CGAL::Projection_traits_3<CGAL::Epeck, true>, CGAL::Triangulation_ds_face_base_2<CGAL::Triangulation_data_structure_2<CGAL::Triangulation_vertex_base_with_info_2<long long unsigned int, CGAL::Projection_traits_3<CGAL::Epeck, true>, CGAL::Triangulation_vertex_base_2<CGAL::Projection_traits_3<CGAL::Epeck, true>, CGAL::Triangulation_ds_vertex_base_2<void> > >, CGAL::Constrained_triangulation_face_base_2<CGAL::Projection_traits_3<CGAL::Epeck, true>, CGAL::Triangulation_face_base_with_info_2<bool, CGAL::Projection_traits_3<CGAL::Epeck, true>, CGAL::Triangulation_face_base_2<CGAL::Projection_traits_3<CGAL::Epeck, true>, CGAL::Triangulation_ds_face_base_2<void> > > > > > > > >, CGAL::Default, CGAL::Default, CGAL::Default>, false>, int>'} with no trivial copy-assignment; use copy-assignment or copy-initialization instead [-Wclass-memaccess]
  D:/RCompile/CRANpkg/lib/4.2/BH/include/boost/container/detail/copy_move_algo.hpp:184:19: warning: 'void* memmove(void*, const void*, size_t)' writing to an object of type 'value_type' {aka 'struct std::pair<CGAL::internal::CC_iterator<CGAL::Compact_container<CGAL::Constrained_triangulation_face_base_2<CGAL::Projection_traits_3<CGAL::Epick, true>, CGAL::Triangulation_face_base_with_info_2<bool, CGAL::Projection_traits_3<CGAL::Epick, true>, CGAL::Triangulation_face_base_2<CGAL::Projection_traits_3<CGAL::Epick, true>, CGAL::Triangulation_ds_face_base_2<CGAL::Triangulation_data_structure_2<CGAL::Triangulation_vertex_base_with_info_2<long long unsigned int, CGAL::Projection_traits_3<CGAL::Epick, true>, CGAL::Triangulation_vertex_base_2<CGAL::Projection_traits_3<CGAL::Epick, true>, CGAL::Triangulation_ds_vertex_base_2<void> > >, CGAL::Constrained_triangulation_face_base_2<CGAL::Projection_traits_3<CGAL::Epick, true>, CGAL::Triangulation_face_base_with_info_2<bool, CGAL::Projection_traits_3<CGAL::Epick, true>, CGAL::Triangulation_face_base_2<CGAL::Projection_traits_3<CGAL::Epick, true>, CGAL::Triangulation_ds_face_base_2<void> > > > > > > > >, CGAL::Default, CGAL::Default, CGAL::Default>, false>, int>'} with no trivial copy-assignment; use copy-assignment or copy-initialization instead [-Wclass-memaccess]
  D:/RCompile/CRANpkg/lib/4.2/BH/include/boost/container/detail/copy_move_algo.hpp:184:19: warning: 'void* memmove(void*, const void*, size_t)' writing to an object of type 'value_type' {aka 'struct std::pair<CGAL::internal::CC_iterator<CGAL::Compact_container<CGAL::Constrained_triangulation_face_base_2<CGAL::Projection_traits_3<CGAL::Cartesian<CGAL::Gmpq>, false>, CGAL::Triangulation_face_base_with_info_2<CGAL::Polygon_mesh_processing::internal::Triangulate_modifier<CGAL::Surface_mesh<CGAL::Point_3<CGAL::Cartesian<CGAL::Gmpq> > >, CGAL::Surface_mesh<CGAL::Point_3<CGAL::Cartesian<CGAL::Gmpq> > >::Property_map<CGAL::SM_Vertex_index, CGAL::Point_3<CGAL::Cartesian<CGAL::Gmpq> > >, CGAL::Cartesian<CGAL::Gmpq>, CGAL::Polygon_mesh_processing::Triangulate_faces::Default_visitor<CGAL::Surface_mesh<CGAL::Point_3<CGAL::Cartesian<CGAL::Gmpq> > > > >::Face_info, CGAL::Projection_traits_3<CGAL::Cartesian<CGAL::Gmpq>, false>, CGAL::Triangulation_face_base_2<CGAL::Projection_traits_3<CGAL::Cartesian<CGAL::Gmpq>, false>, CGAL::Triangulation_ds_face_base_2<CGAL::Triangulation_data_structure_2<CGAL::Triangulation_vertex_base_with_info_2<CGAL::SM_Halfedge_index, CGAL::Projection_traits_3<CGAL::Cartesian<CGAL::Gmpq>, false>, CGAL::Triangulation_vertex_base_2<CGAL::Projection_traits_3<CGAL::Cartesian<CGAL::Gmpq>, false>, CGAL::Triangulation_ds_vertex_base_2<void> > >, CGAL::Constrained_triangulation_face_base_2<CGAL::Projection_traits_3<CGAL::Cartesian<CGAL::Gmpq>, false>, CGAL::Triangulation_face_base_with_info_2<CGAL::Polygon_mesh_processing::internal::Triangulate_modifier<CGAL::Surface_mesh<CGAL::Point_3<CGAL::Cartesian<CGAL::Gmpq> > >, CGAL::Surface_mesh<CGAL::Point_3<CGAL::Cartesian<CGAL::Gmpq> > >::Property_map<CGAL::SM_Vertex_index, CGAL::Point_3<CGAL::Cartesian<CGAL::Gmpq> > >, CGAL::Cartesian<CGAL::Gmpq>, CGAL::Polygon_mesh_processing::Triangulate_faces::Default_visitor<CGAL::Surface_mesh<CGAL::Point_3<CGAL::Cartesian<CGAL::Gmpq> > > > >::Face_info, CGAL::Projection_traits_3<CGAL::Cartesian<CGAL::Gmpq>, false>, CGAL::Triangulation_face_base_2<CGAL::Projection_traits_3<CGAL::Cartesian<CGAL::Gmpq>, false>, CGAL::Triangulation_ds_face_base_2<void> > > > > > > > >, CGAL::Default, CGAL::Default, CGAL::Default>, false>, int>'} with no trivial copy-assignment; use copy-assignment or copy-initialization instead [-Wclass-memaccess]
  D:/RCompile/CRANpkg/lib/4.2/BH/include/boost/container/detail/copy_move_algo.hpp:184:19: warning: 'void* memmove(void*, const void*, size_t)' writing to an object of type 'value_type' {aka 'struct std::pair<CGAL::internal::CC_iterator<CGAL::Compact_container<CGAL::Constrained_triangulation_face_base_2<CGAL::Projection_traits_3<CGAL::Epeck, true>, CGAL::Triangulation_face_base_with_info_2<CGAL::Polygon_mesh_processing::internal::Triangulate_modifier<CGAL::Surface_mesh<CGAL::Point_3<CGAL::Epeck> >, CGAL::Surface_mesh<CGAL::Point_3<CGAL::Epeck> >::Property_map<CGAL::SM_Vertex_index, CGAL::Point_3<CGAL::Epeck> >, CGAL::Epeck, CGAL::Polygon_mesh_processing::Triangulate_faces::Default_visitor<CGAL::Surface_mesh<CGAL::Point_3<CGAL::Epeck> > > >::Face_info, CGAL::Projection_traits_3<CGAL::Epeck, true>, CGAL::Triangulation_face_base_2<CGAL::Projection_traits_3<CGAL::Epeck, true>, CGAL::Triangulation_ds_face_base_2<CGAL::Triangulation_data_structure_2<CGAL::Triangulation_vertex_base_with_info_2<CGAL::SM_Halfedge_index, CGAL::Projection_traits_3<CGAL::Epeck, true>, CGAL::Triangulation_vertex_base_2<CGAL::Projection_traits_3<CGAL::Epeck, true>, CGAL::Triangulation_ds_vertex_base_2<void> > >, CGAL::Constrained_triangulation_face_base_2<CGAL::Projection_traits_3<CGAL::Epeck, true>, CGAL::Triangulation_face_base_with_info_2<CGAL::Polygon_mesh_processing::internal::Triangulate_modifier<CGAL::Surface_mesh<CGAL::Point_3<CGAL::Epeck> >, CGAL::Surface_mesh<CGAL::Point_3<CGAL::Epeck> >::Property_map<CGAL::SM_Vertex_index, CGAL::Point_3<CGAL::Epeck> >, CGAL::Epeck, CGAL::Polygon_mesh_processing::Triangulate_faces::Default_visitor<CGAL::Surface_mesh<CGAL::Point_3<CGAL::Epeck> > > >::Face_info, CGAL::Projection_traits_3<CGAL::Epeck, true>, CGAL::Triangulation_face_base_2<CGAL::Projection_traits_3<CGAL::Epeck, true>, CGAL::Triangulation_ds_face_base_2<void> > > > > > > > >, CGAL::Default, CGAL::Default, CGAL::Default>, false>, int>'} with no trivial copy-assignment; use copy-assignment or copy-initialization instead [-Wclass-memaccess]
  D:/RCompile/CRANpkg/lib/4.2/BH/include/boost/container/detail/copy_move_algo.hpp:184:19: warning: 'void* memmove(void*, const void*, size_t)' writing to an object of type 'value_type' {aka 'struct std::pair<CGAL::internal::CC_iterator<CGAL::Compact_container<CGAL::Constrained_triangulation_face_base_2<CGAL::Projection_traits_3<CGAL::Epick, true>, CGAL::Triangulation_face_base_with_info_2<CGAL::Polygon_mesh_processing::internal::Triangulate_modifier<CGAL::Surface_mesh<CGAL::Point_3<CGAL::Epick> >, CGAL::Surface_mesh<CGAL::Point_3<CGAL::Epick> >::Property_map<CGAL::SM_Vertex_index, CGAL::Point_3<CGAL::Epick> >, CGAL::Epick, CGAL::Polygon_mesh_processing::Triangulate_faces::Default_visitor<CGAL::Surface_mesh<CGAL::Point_3<CGAL::Epick> > > >::Face_info, CGAL::Projection_traits_3<CGAL::Epick, true>, CGAL::Triangulation_face_base_2<CGAL::Projection_traits_3<CGAL::Epick, true>, CGAL::Triangulation_ds_face_base_2<CGAL::Triangulation_data_structure_2<CGAL::Triangulation_vertex_base_with_info_2<CGAL::SM_Halfedge_index, CGAL::Projection_traits_3<CGAL::Epick, true>, CGAL::Triangulation_vertex_base_2<CGAL::Projection_traits_3<CGAL::Epick, true>, CGAL::Triangulation_ds_vertex_base_2<void> > >, CGAL::Constrained_triangulation_face_base_2<CGAL::Projection_traits_3<CGAL::Epick, true>, CGAL::Triangulation_face_base_with_info_2<CGAL::Polygon_mesh_processing::internal::Triangulate_modifier<CGAL::Surface_mesh<CGAL::Point_3<CGAL::Epick> >, CGAL::Surface_mesh<CGAL::Point_3<CGAL::Epick> >::Property_map<CGAL::SM_Vertex_index, CGAL::Point_3<CGAL::Epick> >, CGAL::Epick, CGAL::Polygon_mesh_processing::Triangulate_faces::Default_visitor<CGAL::Surface_mesh<CGAL::Point_3<CGAL::Epick> > > >::Face_info, CGAL::Projection_traits_3<CGAL::Epick, true>, CGAL::Triangulation_face_base_2<CGAL::Projection_traits_3<CGAL::Epick, true>, CGAL::Triangulation_ds_face_base_2<void> > > > > > > > >, CGAL::Default, CGAL::Default, CGAL::Default>, false>, int>'} with no trivial copy-assignment; use copy-assignment or copy-initialization instead [-Wclass-memaccess]
  D:/RCompile/CRANpkg/lib/4.2/BH/include/boost/container/detail/copy_move_algo.hpp:184:19: warning: 'void* memmove(void*, const void*, size_t)' writing to an object of type 'value_type' {aka 'struct std::pair<CGAL::internal::CC_iterator<CGAL::Compact_container<CGAL::Constrained_triangulation_face_base_2<CGAL::Projection_traits_3<CGAL::Cartesian<CGAL::Gmpq>, false>, CGAL::Triangulation_face_base_2<CGAL::Projection_traits_3<CGAL::Cartesian<CGAL::Gmpq>, false>, CGAL::Triangulation_ds_face_base_2<CGAL::Triangulation_data_structure_2<CGAL::Triangulation_vertex_base_with_info_2<long long unsigned int, CGAL::Projection_traits_3<CGAL::Cartesian<CGAL::Gmpq>, false>, CGAL::Triangulation_vertex_base_2<CGAL::Projection_traits_3<CGAL::Cartesian<CGAL::Gmpq>, false>, CGAL::Triangulation_ds_vertex_base_2<void> > >, CGAL::Constrained_triangulation_face_base_2<CGAL::Projection_traits_3<CGAL::Cartesian<CGAL::Gmpq>, false>, CGAL::Triangulation_face_base_2<CGAL::Projection_traits_3<CGAL::Cartesian<CGAL::Gmpq>, false>, CGAL::Triangulation_ds_face_base_2<void> > > > > > >, CGAL::Default, CGAL::Default, CGAL::Default>, false>, int>'} with no trivial copy-assignment; use copy-assignment or copy-initialization instead [-Wclass-memaccess]
See 'd:/Rcompile/CRANpkg/local/4.2/MeshesOperations.Rcheck/00install.out' for details.