Obtained 27 stack frames.
/usr/games/crawl-git-d0808f307f(_Z17write_stack_traceP8_IO_FILEi+0x23) [0x5a30b3]: write_stack_trace(_IO_FILE*, int)
/usr/games/crawl-git-d0808f307f(_Z20crash_signal_handleri+0x1a5) [0x5a3455]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x364c0) [0x7f36318164c0]: 
/lib/x86_64-linux-gnu/libpthread.so.0(raise+0x2b) [0x7f3631bacb7b]: 
/usr/games/crawl-git-d0808f307f() [0x5a9fa9]
/usr/games/crawl-git-d0808f307f() [0x5aa251]
/usr/games/crawl-git-d0808f307f() [0x5914e7]
/usr/games/crawl-git-d0808f307f(_Z11real_colourjRK9coord_def+0x22) [0x591662]: real_colour(unsigned int, coord_def const&)
/usr/games/crawl-git-d0808f307f(_Z14get_cell_glyphRK9coord_defbi+0x15b) [0x9760bb]: get_cell_glyph(coord_def const&, bool, int)
/usr/games/crawl-git-d0808f307f(_Z10screenshotv+0x132) [0xa75fd2]: screenshot()
/usr/games/crawl-git-d0808f307f(_Z13do_crash_dumpv+0x2111) [0x5ac5f1]: do_crash_dump()
/usr/games/crawl-git-d0808f307f(_Z20crash_signal_handleri+0x9c) [0x5a334c]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x364c0) [0x7f36318164c0]: 
/lib/x86_64-linux-gnu/libc.so.6(__write+0x10) [0x7f36318c5100]: 
/lib/x86_64-linux-gnu/libc.so.6(_IO_file_write+0x43) [0x7f3631859313]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x791da) [0x7f36318591da]: 
/lib/x86_64-linux-gnu/libc.so.6(_IO_file_xsputn+0x23e) [0x7f3631859c8e]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x4d016) [0x7f363182d016]: 
/lib/x86_64-linux-gnu/libc.so.6(_IO_vfprintf+0x59e) [0x7f3631827c1e]: 
/lib/x86_64-linux-gnu/libc.so.6(__fprintf_chk+0xeb) [0x7f36318e78cb]: 
/usr/games/crawl-git-d0808f307f(_Z3endibPKcz+0x237) [0x63eaf7]: end(int, bool, char const*, ...)
/usr/games/crawl-git-d0808f307f(_Z9save_gamebPKc+0x160) [0x65faa0]: save_game(bool, char const*)
/usr/games/crawl-git-d0808f307f() [0x79d863]
/usr/games/crawl-git-d0808f307f() [0x79e605]
/usr/games/crawl-git-d0808f307f(main+0x303) [0x7a1603]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xed) [0x7f363180176d]: 
/usr/games/crawl-git-d0808f307f() [0x5078d9]