Obtained 27 stack frames.
/usr/games/crawl-git-7e03aa0adb(_Z17write_stack_traceP8_IO_FILEi+0x23) [0x5809c3]: write_stack_trace(_IO_FILE*, int)
/usr/games/crawl-git-7e03aa0adb(_Z20crash_signal_handleri+0x1a5) [0x580d65]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x364c0) [0x7ff90ac334c0]: 
/lib/x86_64-linux-gnu/libpthread.so.0(raise+0x2b) [0x7ff90afc9b7b]: 
/usr/games/crawl-git-7e03aa0adb() [0x5875a9]
/usr/games/crawl-git-7e03aa0adb() [0x587851]
/usr/games/crawl-git-7e03aa0adb() [0x5699e7]
/usr/games/crawl-git-7e03aa0adb(_Z11real_colourjRK9coord_def+0x22) [0x569b62]: real_colour(unsigned int, coord_def const&)
/usr/games/crawl-git-7e03aa0adb(_Z14get_cell_glyphRK9coord_defbi+0x15b) [0x91db5b]: get_cell_glyph(coord_def const&, bool, int)
/usr/games/crawl-git-7e03aa0adb(_Z10screenshotv+0x13a) [0xa02e2a]: screenshot()
/usr/games/crawl-git-7e03aa0adb(_Z13do_crash_dumpv+0x1f51) [0x589a31]: do_crash_dump()
/usr/games/crawl-git-7e03aa0adb(_Z20crash_signal_handleri+0x9c) [0x580c5c]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x364c0) [0x7ff90ac334c0]: 
/lib/x86_64-linux-gnu/libc.so.6(__write+0x10) [0x7ff90ace2100]: 
/lib/x86_64-linux-gnu/libc.so.6(_IO_file_write+0x43) [0x7ff90ac76313]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x791da) [0x7ff90ac761da]: 
/lib/x86_64-linux-gnu/libc.so.6(_IO_file_xsputn+0x23e) [0x7ff90ac76c8e]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x4d016) [0x7ff90ac4a016]: 
/lib/x86_64-linux-gnu/libc.so.6(_IO_vfprintf+0x59e) [0x7ff90ac44c1e]: 
/lib/x86_64-linux-gnu/libc.so.6(__fprintf_chk+0xeb) [0x7ff90ad048cb]: 
/usr/games/crawl-git-7e03aa0adb(_Z3endibPKcz+0x237) [0x61e697]: end(int, bool, char const*, ...)
/usr/games/crawl-git-7e03aa0adb(_Z9save_gamebPKc+0x156) [0x63d206]: save_game(bool, char const*)
/usr/games/crawl-git-7e03aa0adb() [0x75cccd]
/usr/games/crawl-git-7e03aa0adb() [0x75d8bd]
/usr/games/crawl-git-7e03aa0adb(main+0x2f9) [0x760389]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xed) [0x7ff90ac1e76d]: 
/usr/games/crawl-git-7e03aa0adb() [0x4ec4a9]