Obtained 38 stack frames.
/usr/games/crawl-git-dd2af9e06e(_Z17write_stack_traceP8_IO_FILE+0x3b) [0x563ab787671b]: write_stack_trace(_IO_FILE*)
/usr/games/crawl-git-dd2af9e06e(_Z20crash_signal_handleri+0x1e5) [0x563ab7876bc5]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x3ef20) [0x7fb1914faf20]: 
/lib/x86_64-linux-gnu/libc.so.6(sigprocmask+0xd) [0x7fb1914fb14d]: 
/lib/x86_64-linux-gnu/libc.so.6(abort+0xac) [0x7fb1914fc76c]: 
/usr/games/crawl-git-dd2af9e06e(+0x354400) [0x563ab787e400]: 
/usr/games/crawl-git-dd2af9e06e(+0x35466e) [0x563ab787e66e]: 
/usr/games/crawl-git-dd2af9e06e(_Z7trap_atRK9coord_def+0xa2) [0x563ab7d95a22]: trap_at(coord_def const&)
/usr/games/crawl-git-dd2af9e06e(_Z13get_trap_typeRK9coord_def+0x9) [0x563ab7d95d59]: get_trap_type(coord_def const&)
/usr/games/crawl-git-dd2af9e06e(_Z23raw_feature_descriptionB5cxx11RK9coord_def+0xac) [0x563ab78ee85c]: raw_feature_description[abi:cxx11](coord_def const&)
/usr/games/crawl-git-dd2af9e06e(_Z13do_crash_dumpv+0x2527) [0x563ab7880e37]: do_crash_dump()
/usr/games/crawl-git-dd2af9e06e(_Z20crash_signal_handleri+0xae) [0x563ab7876a8e]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x3ef20) [0x7fb1914faf20]: 
/lib/x86_64-linux-gnu/libpthread.so.0(raise+0xc7) [0x7fb1918bf727]: 
/usr/games/crawl-git-dd2af9e06e(+0x3543fb) [0x563ab787e3fb]: 
/usr/games/crawl-git-dd2af9e06e(+0x35466e) [0x563ab787e66e]: 
/usr/games/crawl-git-dd2af9e06e(_Z7trap_atRK9coord_def+0xa2) [0x563ab7d95a22]: trap_at(coord_def const&)
/usr/games/crawl-git-dd2af9e06e(_Z13get_trap_typeRK9coord_def+0x9) [0x563ab7d95d59]: get_trap_type(coord_def const&)
/usr/games/crawl-git-dd2af9e06e(_Z14show_update_atRK9coord_def13enum_bitfieldI10layer_typeLi5EE+0xec0) [0x563ab7cac0c0]: show_update_at(coord_def const&, enum_bitfield<layer_type, 5>)
/usr/games/crawl-git-dd2af9e06e(_Z9show_init13enum_bitfieldI10layer_typeLi5EE+0x9f) [0x563ab7cade5f]: show_init(enum_bitfield<layer_type, 5>)
/usr/games/crawl-git-dd2af9e06e(_Z10viewwindowbbP9animation+0x118) [0x563ab7dc8e18]: viewwindow(bool, bool, animation*)
/usr/games/crawl-git-dd2af9e06e(_Z19move_player_to_gridRK9coord_defb+0x132) [0x563ab7c5bb92]: move_player_to_grid(coord_def const&, bool)
/usr/games/crawl-git-dd2af9e06e(+0x853b7a) [0x563ab7d7db7a]: 
/usr/games/crawl-git-dd2af9e06e(_Z23dungeon_terrain_changedRK9coord_def20dungeon_feature_typebbbb+0x328) [0x563ab7d7ded8]: dungeon_terrain_changed(coord_def const&, dungeon_feature_type, bool, bool, bool, bool)
/usr/games/crawl-git-dd2af9e06e(_Z21revert_terrain_change9coord_def19terrain_change_type+0xf8) [0x563ab7d7e458]: revert_terrain_change(coord_def, terrain_change_type)
/usr/games/crawl-git-dd2af9e06e(_Z23timeout_terrain_changesib+0xf9) [0x563ab7d8d1a9]: timeout_terrain_changes(int, bool)
/usr/games/crawl-git-dd2af9e06e(_Z24fire_monster_death_eventP7monster11killer_typeb+0x100) [0x563ab7b62340]: fire_monster_death_event(monster*, killer_type, bool)
/usr/games/crawl-git-dd2af9e06e(_Z19change_monster_typeP7monster12monster_type+0x13d) [0x563ab7ba6dbd]: change_monster_type(monster*, monster_type)
/usr/games/crawl-git-dd2af9e06e(_Z17monster_polymorphP7monster12monster_type15poly_power_typeb+0x38a) [0x563ab7ba7cda]: monster_polymorph(monster*, monster_type, poly_power_type, bool)
/usr/games/crawl-git-dd2af9e06e(_ZN7monster17apply_enchantmentERK11mon_enchant+0xb9c) [0x563ab7b757cc]: monster::apply_enchantment(mon_enchant const&)
/usr/games/crawl-git-dd2af9e06e(_ZN7monster18apply_enchantmentsEv+0xd7) [0x563ab7b77f37]: monster::apply_enchantments()
/usr/games/crawl-git-dd2af9e06e(_Z15handle_monstersb+0x511) [0x563ab7b36c11]: handle_monsters(bool)
/usr/games/crawl-git-dd2af9e06e(_Z12world_reactsv+0xda) [0x563ab7e4164a]: world_reacts()
/usr/games/crawl-git-dd2af9e06e(+0x919970) [0x563ab7e43970]: 
/usr/games/crawl-git-dd2af9e06e(+0x919f65) [0x563ab7e43f65]: 
/usr/games/crawl-git-dd2af9e06e(main+0x32f) [0x563ab77d599f]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xe7) [0x7fb1914ddb97]: 
/usr/games/crawl-git-dd2af9e06e(_start+0x2a) [0x563ab77d60ca]: