Obtained 37 stack frames.
/usr/games/crawl-git-289a535e89(_Z17write_stack_traceP8_IO_FILE+0x3f) [0x55ef6bc28c8f]: write_stack_trace(_IO_FILE*)
/usr/games/crawl-git-289a535e89(_Z20crash_signal_handleri+0x18f) [0x55ef6bc290af]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x46210) [0x7f60f09c4210]: 
/lib/x86_64-linux-gnu/libc.so.6(sigprocmask+0x4b) [0x7f60f09c448b]: 
/lib/x86_64-linux-gnu/libc.so.6(abort+0xb4) [0x7f60f09a37e2]: 
/usr/games/crawl-git-289a535e89(+0x47b882) [0x55ef6bc32882]: 
/usr/games/crawl-git-289a535e89(+0x47ba35) [0x55ef6bc32a35]: 
/usr/games/crawl-git-289a535e89(+0x68803b) [0x55ef6be3f03b]: 
/usr/games/crawl-git-289a535e89(_ZNK6player27base_ac_with_specific_itemsEiSt6vectorIPK8item_defSaIS3_EE+0x3c) [0x55ef6c0a0b0c]: player::base_ac_with_specific_items(int, std::vector<item_def const*, std::allocator<item_def const*> >) const
/usr/games/crawl-git-289a535e89(_ZNK6player32armour_class_with_specific_itemsESt6vectorIPK8item_defSaIS3_EE+0xc2) [0x55ef6c0a0e12]: player::armour_class_with_specific_items(std::vector<item_def const*, std::allocator<item_def const*> >) const
/usr/games/crawl-git-289a535e89(_ZNK6player12armour_classEv+0x37) [0x55ef6c0b1bc7]: player::armour_class() const
/usr/games/crawl-git-289a535e89(_ZN15scorefile_entry4initEl+0x69f) [0x55ef6bda718f]: scorefile_entry::init(long)
/usr/games/crawl-git-289a535e89(_ZN15scorefile_entryC2EijiPKcbS1_l+0x318) [0x55ef6bda7d98]: scorefile_entry::scorefile_entry(int, unsigned int, int, char const*, bool, char const*, long)
/usr/games/crawl-git-289a535e89(_Z14mark_milestoneRKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES6_S6_l+0x1e7) [0x55ef6bda7f97]: mark_milestone(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, long)
/usr/games/crawl-git-289a535e89(_Z13do_crash_dumpv+0x23ca) [0x55ef6bc350ea]: do_crash_dump()
/usr/games/crawl-git-289a535e89(_Z20crash_signal_handleri+0x1fa) [0x55ef6bc2911a]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x46210) [0x7f60f09c4210]: 
/lib/x86_64-linux-gnu/libpthread.so.0(raise+0xcb) [0x7f60f0b8524b]: 
/usr/games/crawl-git-289a535e89(+0x47b87d) [0x55ef6bc3287d]: 
/usr/games/crawl-git-289a535e89(+0x47ba35) [0x55ef6bc32a35]: 
/usr/games/crawl-git-289a535e89(+0x68803b) [0x55ef6be3f03b]: 
/usr/games/crawl-git-289a535e89(_ZNK6player27base_ac_with_specific_itemsEiSt6vectorIPK8item_defSaIS3_EE+0x3c) [0x55ef6c0a0b0c]: player::base_ac_with_specific_items(int, std::vector<item_def const*, std::allocator<item_def const*> >) const
/usr/games/crawl-git-289a535e89(_ZNK6player32armour_class_with_specific_itemsESt6vectorIPK8item_defSaIS3_EE+0xc2) [0x55ef6c0a0e12]: player::armour_class_with_specific_items(std::vector<item_def const*, std::allocator<item_def const*> >) const
/usr/games/crawl-git-289a535e89(_ZNK6player12armour_classEv+0x37) [0x55ef6c0b1bc7]: player::armour_class() const
/usr/games/crawl-git-289a535e89(_ZNK5actor8apply_acEii7ac_typeb+0x2e) [0x55ef6bba3dfe]: actor::apply_ac(int, int, ac_type, bool) const
/usr/games/crawl-git-289a535e89(_ZN12melee_attack16handle_phase_hitEv+0x87) [0x55ef6bf3a837]: melee_attack::handle_phase_hit()
/usr/games/crawl-git-289a535e89(_ZN12melee_attack6attackEv+0x5f3) [0x55ef6bf3d283]: melee_attack::attack()
/usr/games/crawl-git-289a535e89(_Z11fight_meleeP5actorS0_Pbb+0x219) [0x55ef6bd10279]: fight_melee(actor*, actor*, bool*, bool)
/usr/games/crawl-git-289a535e89(+0x7ab7d0) [0x55ef6bf627d0]: 
/usr/games/crawl-git-289a535e89(_Z19handle_monster_moveP7monster+0x259f) [0x55ef6bf6cd5f]: handle_monster_move(monster*)
/usr/games/crawl-git-289a535e89(_Z15handle_monstersb+0xb32) [0x55ef6bf6da02]: handle_monsters(bool)
/usr/games/crawl-git-289a535e89(_Z12world_reactsv+0x13d) [0x55ef6c2dbb0d]: world_reacts()
/usr/games/crawl-git-289a535e89(+0xb26055) [0x55ef6c2dd055]: 
/usr/games/crawl-git-289a535e89(+0xb26f15) [0x55ef6c2ddf15]: 
/usr/games/crawl-git-289a535e89(main+0x1ab) [0x55ef6bb7848b]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf3) [0x7f60f09a50b3]: 
/usr/games/crawl-git-289a535e89(_start+0x2e) [0x55ef6bb7901e]: