Obtained 25 stack frames.
/usr/games/crawl-git-e955d0971c(_Z17write_stack_traceP8_IO_FILEi+0x23) [0x5edac3]: write_stack_trace(_IO_FILE*, int)
/usr/games/crawl-git-e955d0971c() [0x5ede34]
/lib/x86_64-linux-gnu/libc.so.6(+0x324f0) [0x7fd0527e94f0]: 
/lib/x86_64-linux-gnu/libpthread.so.0(raise+0x2b) [0x7fd052b4fefb]: 
/usr/games/crawl-git-e955d0971c() [0x5f3984]
/usr/games/crawl-git-e955d0971c() [0x5f3bea]
/usr/games/crawl-git-e955d0971c() [0x5d6846]
/usr/games/crawl-git-e955d0971c(_Z11real_colourjRK9coord_def+0x22) [0x5d6a02]: real_colour(unsigned int, coord_def const&)
/usr/games/crawl-git-e955d0971c(_Z14get_cell_glyphRK9coord_defbi+0x198) [0x95ce78]: get_cell_glyph(coord_def const&, bool, int)
/usr/games/crawl-git-e955d0971c(_Z10screenshotv+0x16a) [0xa35f7a]: screenshot()
/usr/games/crawl-git-e955d0971c(_Z13do_crash_dumpv+0x1696) [0x5f5476]: do_crash_dump()
/usr/games/crawl-git-e955d0971c() [0x5edd34]
/lib/x86_64-linux-gnu/libc.so.6(+0x324f0) [0x7fd0527e94f0]: 
/lib/x86_64-linux-gnu/libc.so.6(__write+0x10) [0x7fd052885af0]: 
/lib/x86_64-linux-gnu/libc.so.6(_IO_file_write+0x43) [0x7fd052829e53]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x72aca) [0x7fd052829aca]: 
/lib/x86_64-linux-gnu/libc.so.6(_IO_file_xsputn+0x1fe) [0x7fd052829dbe]: 
/lib/x86_64-linux-gnu/libc.so.6(fputs+0x9c) [0x7fd05281fa0c]: 
/usr/games/crawl-git-e955d0971c(_Z3endibPKcz+0x2db) [0x9e626b]: end(int, bool, char const*, ...)
/usr/games/crawl-git-e955d0971c(_Z9save_gamebPKc+0x142) [0x69cee2]: save_game(bool, char const*)
/usr/games/crawl-git-e955d0971c() [0x7b2eed]
/usr/games/crawl-git-e955d0971c() [0x7b399d]
/usr/games/crawl-git-e955d0971c(main+0x2f9) [0x4f9969]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xfd) [0x7fd0527d5ead]: 
/usr/games/crawl-git-e955d0971c() [0x567efd]