Obtained 27 stack frames.
/usr/games/crawl-git-d3d859414d(_Z17write_stack_traceP8_IO_FILEi+0x23) [0x5a8453]: write_stack_trace(_IO_FILE*, int)
/usr/games/crawl-git-d3d859414d(_Z20crash_signal_handleri+0x1a5) [0x5a87f5]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x364c0) [0x7f262c48d4c0]: 
/lib/x86_64-linux-gnu/libpthread.so.0(raise+0x2b) [0x7f262c823b7b]: 
/usr/games/crawl-git-d3d859414d() [0x5af349]
/usr/games/crawl-git-d3d859414d() [0x5af5f1]
/usr/games/crawl-git-d3d859414d() [0x5967a7]
/usr/games/crawl-git-d3d859414d(_Z11real_colourjRK9coord_def+0x22) [0x596922]: real_colour(unsigned int, coord_def const&)
/usr/games/crawl-git-d3d859414d(_Z14get_cell_glyphRK9coord_defbi+0x15b) [0x97d61b]: get_cell_glyph(coord_def const&, bool, int)
/usr/games/crawl-git-d3d859414d(_Z10screenshotv+0x132) [0xa85402]: screenshot()
/usr/games/crawl-git-d3d859414d(_Z13do_crash_dumpv+0x2101) [0x5b1981]: do_crash_dump()
/usr/games/crawl-git-d3d859414d(_Z20crash_signal_handleri+0x9c) [0x5a86ec]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x364c0) [0x7f262c48d4c0]: 
/lib/x86_64-linux-gnu/libc.so.6(__write+0x10) [0x7f262c53c100]: 
/lib/x86_64-linux-gnu/libc.so.6(_IO_file_write+0x43) [0x7f262c4d0313]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x791da) [0x7f262c4d01da]: 
/lib/x86_64-linux-gnu/libc.so.6(_IO_file_xsputn+0x23e) [0x7f262c4d0c8e]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x4d016) [0x7f262c4a4016]: 
/lib/x86_64-linux-gnu/libc.so.6(_IO_vfprintf+0x59e) [0x7f262c49ec1e]: 
/lib/x86_64-linux-gnu/libc.so.6(__fprintf_chk+0xeb) [0x7f262c55e8cb]: 
/usr/games/crawl-git-d3d859414d(_Z3endibPKcz+0x227) [0x646d77]: end(int, bool, char const*, ...)
/usr/games/crawl-git-d3d859414d(_Z9save_gamebPKc+0x160) [0x6687c0]: save_game(bool, char const*)
/usr/games/crawl-git-d3d859414d() [0x7a78f3]
/usr/games/crawl-git-d3d859414d() [0x7a86bd]
/usr/games/crawl-git-d3d859414d(main+0x2eb) [0x7ab74b]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xed) [0x7f262c47876d]: 
/usr/games/crawl-git-d3d859414d() [0x50c079]