Obtained 31 stack frames.
/usr/games/crawl-git-6dac4ea423(_Z17write_stack_traceP8_IO_FILE+0x3f) [0x563589c018ff]: write_stack_trace(_IO_FILE*)
/usr/games/crawl-git-6dac4ea423(_Z20crash_signal_handleri+0x18f) [0x563589c01d1f]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x46210) [0x7fa805e74210]: 
/usr/games/crawl-git-6dac4ea423(_Z23raw_feature_descriptionB5cxx11RK9coord_def+0x6c) [0x563589c8319c]: raw_feature_description[abi:cxx11](coord_def const&)
/usr/games/crawl-git-6dac4ea423(_Z13do_crash_dumpv+0x21a3) [0x563589c0b263]: do_crash_dump()
/usr/games/crawl-git-6dac4ea423(_Z20crash_signal_handleri+0x1fa) [0x563589c01d8a]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x46210) [0x7fa805e74210]: 
/lib/x86_64-linux-gnu/libpthread.so.0(raise+0xcb) [0x7fa80603524b]: 
/usr/games/crawl-git-6dac4ea423(+0x435c1d) [0x563589c08c1d]: 
/usr/games/crawl-git-6dac4ea423(+0x435dd5) [0x563589c08dd5]: 
/usr/games/crawl-git-6dac4ea423(+0x60d2e2) [0x563589de02e2]: 
/usr/games/crawl-git-6dac4ea423(+0x60dbf5) [0x563589de0bf5]: 
/usr/games/crawl-git-6dac4ea423(_ZNK6player27base_ac_with_specific_itemsEiSt6vectorIPK8item_defSaIS3_EE+0x3c) [0x56358a02ba2c]: 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) [0x56358a02bcf2]: 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) [0x56358a03ae57]: player::armour_class() const
/usr/games/crawl-git-6dac4ea423(_ZN14TilesFramework12_send_playerEb+0x7f2) [0x56358a23f892]: TilesFramework::_send_player(bool)
/usr/games/crawl-git-6dac4ea423(_ZN14TilesFramework6redrawEv+0xa6) [0x56358a245816]: TilesFramework::redraw()
/usr/games/crawl-git-6dac4ea423(_Z8getch_ckv+0xb9) [0x56358a249cc9]: getch_ck()
/usr/games/crawl-git-6dac4ea423(_ZN2ui11pump_eventsEi+0xcc) [0x56358a1bdb6c]: ui::pump_events(int)
/usr/games/crawl-git-6dac4ea423(_ZN2ui10run_layoutESt10shared_ptrINS_6WidgetEERKbS2_+0x9a) [0x56358a1bea5a]: ui::run_layout(std::shared_ptr<ui::Widget>, bool const&, std::shared_ptr<ui::Widget>)
/usr/games/crawl-git-6dac4ea423(_Z10skill_menuii+0x3e9) [0x56358a0aedb9]: skill_menu(int, int)
/usr/games/crawl-git-6dac4ea423(_Z12fixup_skillsv+0x12b) [0x56358a0b4b7b]: fixup_skills()
/usr/games/crawl-git-6dac4ea423(_Z8tag_readR6reader8tag_type+0x209b) [0x56358a15e18b]: tag_read(reader&, tag_type)
/usr/games/crawl-git-6dac4ea423(+0x50c039) [0x563589cdf039]: 
/usr/games/crawl-git-6dac4ea423(+0x50f75d) [0x563589ce275d]: 
/usr/games/crawl-git-6dac4ea423(_Z12restore_gameRKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE+0x21) [0x563589ce3441]: restore_game(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)
/usr/games/crawl-git-6dac4ea423(_Z12startup_stepv+0x1497) [0x56358a11de87]: startup_step()
/usr/games/crawl-git-6dac4ea423(+0xa7e79f) [0x56358a25179f]: 
/usr/games/crawl-git-6dac4ea423(main+0x1a5) [0x563589b57895]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf3) [0x7fa805e550b3]: 
/usr/games/crawl-git-6dac4ea423(_start+0x2e) [0x563589b583be]: