Obtained 36 stack frames.
/usr/games/crawl-git-05560da471(_Z17write_stack_traceP8_IO_FILEi+0x28) [0x559593e84c88]: write_stack_trace(_IO_FILE*, int)
/usr/games/crawl-git-05560da471(_Z20crash_signal_handleri+0x1bf) [0x559593e850cf]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x33060) [0x7ff2b4934060]: 
/lib/x86_64-linux-gnu/libc.so.6(sigprocmask+0x10) [0x7ff2b49342e0]: 
/lib/x86_64-linux-gnu/libc.so.6(abort+0xe1) [0x7ff2b49353a1]: 
/usr/games/crawl-git-05560da471(+0x33e6fb) [0x559593e8c6fb]: 
/usr/games/crawl-git-05560da471(+0x33e98d) [0x559593e8c98d]: 
/usr/games/crawl-git-05560da471(+0x75ed99) [0x5595942acd99]: 
/usr/games/crawl-git-05560da471(_Z14spells_in_bookRK8item_def+0x2ca) [0x5595942add9a]: spells_in_book(item_def const&)
/usr/games/crawl-git-05560da471(_Z15is_useless_itemRK8item_defb+0x4c6) [0x5595940317a6]: is_useless_item(item_def const&, bool)
/usr/games/crawl-git-05560da471(_Z17is_dangerous_itemRK8item_defb+0x2e) [0x559594031f4e]: is_dangerous_item(item_def const&, bool)
/usr/games/crawl-git-05560da471(_Z11item_prefixB5cxx11RK8item_defb+0x163) [0x559594032163]: item_prefix[abi:cxx11](item_def const&, bool)
/usr/games/crawl-git-05560da471(+0x749d48) [0x559594297d48]: 
/usr/games/crawl-git-05560da471(_Z14get_cell_glyphRK9coord_defbi+0x359) [0x559594298d69]: get_cell_glyph(coord_def const&, bool, int)
/usr/games/crawl-git-05560da471(_Z10screenshotB5cxx11v+0x178) [0x5595943a2738]: screenshot[abi:cxx11]()
/usr/games/crawl-git-05560da471(_Z13do_crash_dumpv+0x2364) [0x559593e8ee24]: do_crash_dump()
/usr/games/crawl-git-05560da471(_Z20crash_signal_handleri+0x7e) [0x559593e84f8e]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x33060) [0x7ff2b4934060]: 
/lib/x86_64-linux-gnu/libpthread.so.0(raise+0xcf) [0x7ff2b4cb0f9f]: 
/usr/games/crawl-git-05560da471(+0x33e6f6) [0x559593e8c6f6]: 
/usr/games/crawl-git-05560da471(+0x33e98d) [0x559593e8c98d]: 
/usr/games/crawl-git-05560da471(+0x75ed99) [0x5595942acd99]: 
/usr/games/crawl-git-05560da471(_Z14spells_in_bookRK8item_def+0x2ca) [0x5595942add9a]: spells_in_book(item_def const&)
/usr/games/crawl-git-05560da471(_Z15is_useless_itemRK8item_defb+0x4c6) [0x5595940317a6]: is_useless_item(item_def const&, bool)
/usr/games/crawl-git-05560da471(_Z17is_dangerous_itemRK8item_defb+0x2e) [0x559594031f4e]: is_dangerous_item(item_def const&, bool)
/usr/games/crawl-git-05560da471(_Z11item_prefixB5cxx11RK8item_defb+0x163) [0x559594032163]: item_prefix[abi:cxx11](item_def const&, bool)
/usr/games/crawl-git-05560da471(_Z21item_needs_autopickupRK8item_defb+0x124) [0x55959403ee84]: item_needs_autopickup(item_def const&, bool)
/usr/games/crawl-git-05560da471(_Z18tile_draw_map_cellRK9coord_defb+0x777) [0x5595943f9057]: tile_draw_map_cell(coord_def const&, bool)
/usr/games/crawl-git-05560da471(_Z8tag_readR6reader8tag_type+0x3211) [0x559594347d91]: tag_read(reader&, tag_type)
/usr/games/crawl-git-05560da471(+0x3fc443) [0x559593f4a443]: 
/usr/games/crawl-git-05560da471(_Z10load_level20dungeon_feature_type14load_mode_typeRK8level_id+0x228e) [0x559593f56a4e]: load_level(dungeon_feature_type, load_mode_type, level_id const&)
/usr/games/crawl-git-05560da471(_Z12startup_stepv+0x15ab) [0x55959430ba9b]: startup_step()
/usr/games/crawl-git-05560da471(+0x8c9724) [0x559594417724]: 
/usr/games/crawl-git-05560da471(main+0x13b) [0x559593de91ab]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf1) [0x7ff2b49212e1]: 
/usr/games/crawl-git-05560da471(_start+0x2a) [0x559593de9cea]: