Obtained 28 stack frames.
/usr/games/crawl-git-008097b4cb(_Z17write_stack_traceP8_IO_FILE+0x3e) [0x5dd5e49b4dae]: write_stack_trace(_IO_FILE*)
/usr/games/crawl-git-008097b4cb(_Z20crash_signal_handleri+0x18f) [0x5dd5e49b521f]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x45320) [0x7fcfbfa06320]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x188620) [0x7fcfbfb49620]: 
/usr/games/crawl-git-008097b4cb(_ZNKSt8_Rb_treeINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4pairIKS5_15CrawlStoreValueESt10_Select1stIS9_ESt4lessIS5_ESaIS9_EE4findERS7_+0x68) [0x5dd5e4fe33d8]: std::_Rb_tree<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, CrawlStoreValue>, std::_Select1st<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, CrawlStoreValue> >, std::less<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, CrawlStoreValue> > >::find(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&) const
/usr/games/crawl-git-008097b4cb(_ZNK14CrawlHashTable6existsERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE+0x11) [0x5dd5e4fe02a1]: CrawlHashTable::exists(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&) const
/usr/games/crawl-git-008097b4cb(_Z17artefact_propertyRK8item_def18artefact_prop_type+0x76) [0x5dd5e4942226]: artefact_property(item_def const&, artefact_prop_type)
/usr/games/crawl-git-008097b4cb(_Z14count_worn_egoi+0x70) [0x5dd5e4e94cd0]: count_worn_ego(int)
/usr/games/crawl-git-008097b4cb(_ZNK6player8max_statE9stat_typeb+0x29a) [0x5dd5e4e89cca]: player::max_stat(stat_type, bool) const
/usr/games/crawl-git-008097b4cb(_Z13do_crash_dumpv+0xc8b) [0x5dd5e49c369b]: do_crash_dump()
/usr/games/crawl-git-008097b4cb(_Z20crash_signal_handleri+0x1fa) [0x5dd5e49b528a]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x45320) [0x7fcfbfa06320]: 
/lib/x86_64-linux-gnu/libc.so.6(pthread_kill+0x11c) [0x7fcfbfa5fb1c]: 
/lib/x86_64-linux-gnu/libc.so.6(gsignal+0x1e) [0x7fcfbfa0626e]: 
/lib/x86_64-linux-gnu/libc.so.6(abort+0xdf) [0x7fcfbf9e98ff]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x297b6) [0x7fcfbf9ea7b6]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xa8fe5) [0x7fcfbfa69fe5]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xab37c) [0x7fcfbfa6c37c]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_free+0x7e) [0x7fcfbfa6ed9e]: 
/usr/games/crawl-git-008097b4cb(_ZN12monster_infoD1Ev+0x8f) [0x5dd5e497547f]: monster_info::~monster_info()
/usr/games/crawl-git-008097b4cb(_ZN14TilesFramework10_send_cellERK9coord_defRK13screen_cell_tS5_RK8map_cellS8_RSt3mapIjS0_St4lessIjESaISt4pairIKjS0_EEEb+0xf33) [0x5dd5e5124d23]: TilesFramework::_send_cell(coord_def const&, screen_cell_t const&, screen_cell_t const&, map_cell const&, map_cell const&, std::map<unsigned int, coord_def, std::less<unsigned int>, std::allocator<std::pair<unsigned int const, coord_def> > >&, bool)
/usr/games/crawl-git-008097b4cb(_ZN14TilesFramework9_send_mapEb+0x486) [0x5dd5e51254e6]: TilesFramework::_send_map(bool)
/usr/games/crawl-git-008097b4cb(_ZN14TilesFramework6redrawEv+0xf3) [0x5dd5e5126603]: TilesFramework::redraw()
/usr/games/crawl-git-008097b4cb(+0xc304e1) [0x5dd5e51394e1]: 
/usr/games/crawl-git-008097b4cb(main+0x1f7) [0x5dd5e48ee6f7]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x2a1ca) [0x7fcfbf9eb1ca]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0x8b) [0x7fcfbf9eb28b]: 
/usr/games/crawl-git-008097b4cb(_start+0x25) [0x5dd5e48ef115]: