Obtained 24 stack frames.
/usr/games/crawl-git-89529d69ea(_Z17write_stack_traceP8_IO_FILEi+0x23) [0x5f27b3]: write_stack_trace(_IO_FILE*, int)
/usr/games/crawl-git-89529d69ea(_Z20crash_signal_handleri+0x174) [0x5f2b24]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x324f0) [0x7fd69b0f64f0]: 
/lib/x86_64-linux-gnu/libpthread.so.0(raise+0x2b) [0x7fd69b45cefb]: 
/usr/games/crawl-git-89529d69ea() [0x5f8734]
/usr/games/crawl-git-89529d69ea() [0x5f899a]
/usr/games/crawl-git-89529d69ea() [0x5db816]
/usr/games/crawl-git-89529d69ea(_Z11real_colourjRK9coord_def+0x22) [0x5db9d2]: real_colour(unsigned int, coord_def const&)
/usr/games/crawl-git-89529d69ea(_Z14get_cell_glyphRK9coord_defbi+0x15b) [0x94815b]: get_cell_glyph(coord_def const&, bool, int)
/usr/games/crawl-git-89529d69ea(_Z10screenshotv+0x16a) [0xa175da]: screenshot()
/usr/games/crawl-git-89529d69ea(_Z13do_crash_dumpv+0x1eb7) [0x5faa77]: do_crash_dump()
/usr/games/crawl-git-89529d69ea(_Z20crash_signal_handleri+0x74) [0x5f2a24]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x324f0) [0x7fd69b0f64f0]: 
/lib/x86_64-linux-gnu/libc.so.6(__write+0x10) [0x7fd69b192af0]: 
/lib/x86_64-linux-gnu/libc.so.6(_IO_file_write+0x43) [0x7fd69b136e53]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x72aca) [0x7fd69b136aca]: 
/lib/x86_64-linux-gnu/libc.so.6(_IO_file_xsputn+0x1fe) [0x7fd69b136dbe]: 
/lib/x86_64-linux-gnu/libc.so.6(fputs+0x9c) [0x7fd69b12ca0c]: 
/usr/games/crawl-git-89529d69ea(_Z3endibPKcz+0x20b) [0x9c98cb]: end(int, bool, char const*, ...)
/usr/games/crawl-git-89529d69ea(_Z9save_gamebPKc+0x121) [0x69d3f1]: save_game(bool, char const*)
/usr/games/crawl-git-89529d69ea() [0x7ab68f]
/usr/games/crawl-git-89529d69ea(main+0x575) [0x4fa795]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xfd) [0x7fd69b0e2ead]: 
/usr/games/crawl-git-89529d69ea() [0x56ce59]