Obtained 24 stack frames.
/usr/games/crawl-git-38284ead5c(_Z17write_stack_traceP8_IO_FILEi+0x21) [0x5526c1]: write_stack_trace(_IO_FILE*, int)
/usr/games/crawl-git-38284ead5c(_Z20crash_signal_handleri+0x1a8) [0x552a88]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x364c0) [0x7fc5996ee4c0]: 
/lib/x86_64-linux-gnu/libpthread.so.0(raise+0x2b) [0x7fc599a84b7b]: 
/usr/games/crawl-git-38284ead5c() [0x5598e9]
/usr/games/crawl-git-38284ead5c() [0x559bc7]
/usr/games/crawl-git-38284ead5c() [0x53ab36]
/usr/games/crawl-git-38284ead5c(_Z11real_colourjRK9coord_def+0x22) [0x53add2]: real_colour(unsigned int, coord_def const&)
/usr/games/crawl-git-38284ead5c(_Z14get_cell_glyphRK9coord_defbi+0x4b6) [0x8f89a6]: get_cell_glyph(coord_def const&, bool, int)
/usr/games/crawl-git-38284ead5c(_Z10screenshotv+0x1a5) [0x9db1a5]: screenshot()
/usr/games/crawl-git-38284ead5c(_Z13do_crash_dumpv+0x1d0f) [0x55bb5f]: do_crash_dump()
/usr/games/crawl-git-38284ead5c(_Z20crash_signal_handleri+0x9c) [0x55297c]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x364c0) [0x7fc5996ee4c0]: 
/lib/x86_64-linux-gnu/libc.so.6(__write+0x10) [0x7fc59979d100]: 
/lib/x86_64-linux-gnu/libc.so.6(_IO_file_write+0x43) [0x7fc599731313]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x791da) [0x7fc5997311da]: 
/lib/x86_64-linux-gnu/libc.so.6(_IO_file_xsputn+0x23e) [0x7fc599731c8e]: 
/lib/x86_64-linux-gnu/libc.so.6(fputs+0x9d) [0x7fc59972707d]: 
/usr/games/crawl-git-38284ead5c(_Z3endibPKcz+0x221) [0x988d51]: end(int, bool, char const*, ...)
/usr/games/crawl-git-38284ead5c(_Z9save_gamebPKc+0x1b5) [0x60a105]: save_game(bool, char const*)
/usr/games/crawl-git-38284ead5c() [0x72d4df]
/usr/games/crawl-git-38284ead5c(main+0x605) [0x732425]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xed) [0x7fc5996d976d]: 
/usr/games/crawl-git-38284ead5c() [0x4bfa29]