Obtained 25 stack frames.
/usr/games/crawl-git-bdcfb354d7(_Z17write_stack_traceP8_IO_FILEi+0x23) [0x5f32b3]: write_stack_trace(_IO_FILE*, int)
/usr/games/crawl-git-bdcfb354d7() [0x5f3624]
/lib/x86_64-linux-gnu/libc.so.6(+0x324f0) [0x7fc0ce2824f0]: 
/lib/x86_64-linux-gnu/libpthread.so.0(raise+0x2b) [0x7fc0ce5e8efb]: 
/usr/games/crawl-git-bdcfb354d7() [0x5f9274]
/usr/games/crawl-git-bdcfb354d7() [0x5f94da]
/usr/games/crawl-git-bdcfb354d7() [0x5dbc26]
/usr/games/crawl-git-bdcfb354d7(_Z11real_colourjRK9coord_def+0x22) [0x5dbde2]: real_colour(unsigned int, coord_def const&)
/usr/games/crawl-git-bdcfb354d7(_Z14get_cell_glyphRK9coord_defbi+0x15b) [0x96507b]: get_cell_glyph(coord_def const&, bool, int)
/usr/games/crawl-git-bdcfb354d7(_Z10screenshotv+0x16a) [0xa412fa]: screenshot()
/usr/games/crawl-git-bdcfb354d7(_Z13do_crash_dumpv+0x16bf) [0x5fad8f]: do_crash_dump()
/usr/games/crawl-git-bdcfb354d7() [0x5f3524]
/lib/x86_64-linux-gnu/libc.so.6(+0x324f0) [0x7fc0ce2824f0]: 
/lib/x86_64-linux-gnu/libc.so.6(__write+0x10) [0x7fc0ce31eaf0]: 
/lib/x86_64-linux-gnu/libc.so.6(_IO_file_write+0x43) [0x7fc0ce2c2e53]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x72aca) [0x7fc0ce2c2aca]: 
/lib/x86_64-linux-gnu/libc.so.6(_IO_file_xsputn+0x1fe) [0x7fc0ce2c2dbe]: 
/lib/x86_64-linux-gnu/libc.so.6(fputs+0x9c) [0x7fc0ce2b8a0c]: 
/usr/games/crawl-git-bdcfb354d7(_Z3endibPKcz+0x20b) [0x9efdbb]: end(int, bool, char const*, ...)
/usr/games/crawl-git-bdcfb354d7(_Z9save_gamebPKc+0x142) [0x6a29a2]: save_game(bool, char const*)
/usr/games/crawl-git-bdcfb354d7() [0x7b98e4]
/usr/games/crawl-git-bdcfb354d7() [0x7ba405]
/usr/games/crawl-git-bdcfb354d7(main+0x2f9) [0x4fb9b9]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xfd) [0x7fc0ce26eead]: 
/usr/games/crawl-git-bdcfb354d7() [0x56c0dd]