Obtained 27 stack frames.
/usr/games/crawl-git-1c51eb15a6(_Z17write_stack_traceP8_IO_FILEi+0x23) [0x59cb53]: write_stack_trace(_IO_FILE*, int)
/usr/games/crawl-git-1c51eb15a6(_Z20crash_signal_handleri+0x1a5) [0x59cef5]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x364c0) [0x7f72710404c0]: 
/lib/x86_64-linux-gnu/libpthread.so.0(raise+0x2b) [0x7f72713d6b7b]: 
/usr/games/crawl-git-1c51eb15a6() [0x5a3a49]
/usr/games/crawl-git-1c51eb15a6() [0x5a3cf1]
/usr/games/crawl-git-1c51eb15a6() [0x58afe7]
/usr/games/crawl-git-1c51eb15a6(_Z11real_colourjRK9coord_def+0x22) [0x58b302]: real_colour(unsigned int, coord_def const&)
/usr/games/crawl-git-1c51eb15a6(_Z14get_cell_glyphRK9coord_defbi+0x15b) [0x9630eb]: get_cell_glyph(coord_def const&, bool, int)
/usr/games/crawl-git-1c51eb15a6(_Z10screenshotv+0x132) [0xa5efd2]: screenshot()
/usr/games/crawl-git-1c51eb15a6(_Z13do_crash_dumpv+0x2111) [0x5a6091]: do_crash_dump()
/usr/games/crawl-git-1c51eb15a6(_Z20crash_signal_handleri+0x9c) [0x59cdec]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x364c0) [0x7f72710404c0]: 
/lib/x86_64-linux-gnu/libc.so.6(__write+0x10) [0x7f72710ef100]: 
/lib/x86_64-linux-gnu/libc.so.6(_IO_file_write+0x43) [0x7f7271083313]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x791da) [0x7f72710831da]: 
/lib/x86_64-linux-gnu/libc.so.6(_IO_file_xsputn+0x23e) [0x7f7271083c8e]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x4d016) [0x7f7271057016]: 
/lib/x86_64-linux-gnu/libc.so.6(_IO_vfprintf+0x59e) [0x7f7271051c1e]: 
/lib/x86_64-linux-gnu/libc.so.6(__fprintf_chk+0xeb) [0x7f72711118cb]: 
/usr/games/crawl-git-1c51eb15a6(_Z3endibPKcz+0x237) [0x637837]: end(int, bool, char const*, ...)
/usr/games/crawl-git-1c51eb15a6(_Z9save_gamebPKc+0x156) [0x659516]: save_game(bool, char const*)
/usr/games/crawl-git-1c51eb15a6() [0x7927ff]
/usr/games/crawl-git-1c51eb15a6() [0x79368d]
/usr/games/crawl-git-1c51eb15a6(main+0x303) [0x796473]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xed) [0x7f727102b76d]: 
/usr/games/crawl-git-1c51eb15a6() [0x504e89]