Obtained 31 stack frames.
/usr/games/crawl-git-6dac4ea423(_Z17write_stack_traceP8_IO_FILE+0x3f) [0x55b60c5a98ff]: write_stack_trace(_IO_FILE*)
/usr/games/crawl-git-6dac4ea423(_Z20crash_signal_handleri+0x18f) [0x55b60c5a9d1f]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x46210) [0x7f65c98ec210]: 
/usr/games/crawl-git-6dac4ea423(_Z23raw_feature_descriptionB5cxx11RK9coord_def+0x6c) [0x55b60c62b19c]: raw_feature_description[abi:cxx11](coord_def const&)
/usr/games/crawl-git-6dac4ea423(_Z13do_crash_dumpv+0x21a3) [0x55b60c5b3263]: do_crash_dump()
/usr/games/crawl-git-6dac4ea423(_Z20crash_signal_handleri+0x1fa) [0x55b60c5a9d8a]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x46210) [0x7f65c98ec210]: 
/lib/x86_64-linux-gnu/libpthread.so.0(raise+0xcb) [0x7f65c9aad24b]: 
/usr/games/crawl-git-6dac4ea423(+0x435c1d) [0x55b60c5b0c1d]: 
/usr/games/crawl-git-6dac4ea423(+0x435dd5) [0x55b60c5b0dd5]: 
/usr/games/crawl-git-6dac4ea423(+0x60d2e2) [0x55b60c7882e2]: 
/usr/games/crawl-git-6dac4ea423(+0x60dbf5) [0x55b60c788bf5]: 
/usr/games/crawl-git-6dac4ea423(_ZNK6player27base_ac_with_specific_itemsEiSt6vectorIPK8item_defSaIS3_EE+0x3c) [0x55b60c9d3a2c]: player::base_ac_with_specific_items(int, std::vector<item_def const*, std::allocator<item_def const*> >) const
/usr/games/crawl-git-6dac4ea423(_ZNK6player32armour_class_with_specific_itemsESt6vectorIPK8item_defSaIS3_EE+0xc2) [0x55b60c9d3cf2]: player::armour_class_with_specific_items(std::vector<item_def const*, std::allocator<item_def const*> >) const
/usr/games/crawl-git-6dac4ea423(_ZNK6player12armour_classEv+0x37) [0x55b60c9e2e57]: player::armour_class() const
/usr/games/crawl-git-6dac4ea423(_ZN14TilesFramework12_send_playerEb+0x7f2) [0x55b60cbe7892]: TilesFramework::_send_player(bool)
/usr/games/crawl-git-6dac4ea423(_ZN14TilesFramework6redrawEv+0xa6) [0x55b60cbed816]: TilesFramework::redraw()
/usr/games/crawl-git-6dac4ea423(_Z8getch_ckv+0xb9) [0x55b60cbf1cc9]: getch_ck()
/usr/games/crawl-git-6dac4ea423(_ZN2ui11pump_eventsEi+0xcc) [0x55b60cb65b6c]: ui::pump_events(int)
/usr/games/crawl-git-6dac4ea423(_ZN2ui10run_layoutESt10shared_ptrINS_6WidgetEERKbS2_+0x9a) [0x55b60cb66a5a]: ui::run_layout(std::shared_ptr<ui::Widget>, bool const&, std::shared_ptr<ui::Widget>)
/usr/games/crawl-git-6dac4ea423(_Z10skill_menuii+0x3e9) [0x55b60ca56db9]: skill_menu(int, int)
/usr/games/crawl-git-6dac4ea423(_Z12fixup_skillsv+0x12b) [0x55b60ca5cb7b]: fixup_skills()
/usr/games/crawl-git-6dac4ea423(_Z8tag_readR6reader8tag_type+0x209b) [0x55b60cb0618b]: tag_read(reader&, tag_type)
/usr/games/crawl-git-6dac4ea423(+0x50c039) [0x55b60c687039]: 
/usr/games/crawl-git-6dac4ea423(+0x50f75d) [0x55b60c68a75d]: 
/usr/games/crawl-git-6dac4ea423(_Z12restore_gameRKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE+0x21) [0x55b60c68b441]: restore_game(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)
/usr/games/crawl-git-6dac4ea423(_Z12startup_stepv+0x1497) [0x55b60cac5e87]: startup_step()
/usr/games/crawl-git-6dac4ea423(+0xa7e79f) [0x55b60cbf979f]: 
/usr/games/crawl-git-6dac4ea423(main+0x1a5) [0x55b60c4ff895]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf3) [0x7f65c98cd0b3]: 
/usr/games/crawl-git-6dac4ea423(_start+0x2e) [0x55b60c5003be]: