Obtained 24 stack frames.
/usr/games/crawl-git-e8ded9265a(_Z17write_stack_traceP8_IO_FILEi+0x23) [0x602183]: write_stack_trace(_IO_FILE*, int)
/usr/games/crawl-git-e8ded9265a(_Z20crash_signal_handleri+0x174) [0x6024f4]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x324f0) [0x7fc52afc34f0]: 
/lib/x86_64-linux-gnu/libpthread.so.0(raise+0x2b) [0x7fc52b329efb]: 
/usr/games/crawl-git-e8ded9265a() [0x608704]
/usr/games/crawl-git-e8ded9265a() [0x60896a]
/usr/games/crawl-git-e8ded9265a() [0x5eae16]
/usr/games/crawl-git-e8ded9265a(_Z11real_colourjRK9coord_def+0x22) [0x5eaf92]: real_colour(unsigned int, coord_def const&)
/usr/games/crawl-git-e8ded9265a(_Z14get_cell_glyphRK9coord_defbi+0x15b) [0x96adcb]: get_cell_glyph(coord_def const&, bool, int)
/usr/games/crawl-git-e8ded9265a(_Z10screenshotv+0x16a) [0xa3cbfa]: screenshot()
/usr/games/crawl-git-e8ded9265a(_Z13do_crash_dumpv+0x1e31) [0x60a9c1]: do_crash_dump()
/usr/games/crawl-git-e8ded9265a(_Z20crash_signal_handleri+0x74) [0x6023f4]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x324f0) [0x7fc52afc34f0]: 
/lib/x86_64-linux-gnu/libc.so.6(__write+0x10) [0x7fc52b05faf0]: 
/lib/x86_64-linux-gnu/libc.so.6(_IO_file_write+0x43) [0x7fc52b003e53]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x72aca) [0x7fc52b003aca]: 
/lib/x86_64-linux-gnu/libc.so.6(_IO_file_xsputn+0x1fe) [0x7fc52b003dbe]: 
/lib/x86_64-linux-gnu/libc.so.6(fputs+0x9c) [0x7fc52aff9a0c]: 
/usr/games/crawl-git-e8ded9265a(_Z3endibPKcz+0x20b) [0x6997ab]: end(int, bool, char const*, ...)
/usr/games/crawl-git-e8ded9265a(_Z9save_gamebPKc+0x1b5) [0x6af255]: save_game(bool, char const*)
/usr/games/crawl-git-e8ded9265a() [0x7c77fd]
/usr/games/crawl-git-e8ded9265a(main+0x5f5) [0x4fdee5]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xfd) [0x7fc52afafead]: 
/usr/games/crawl-git-e8ded9265a() [0x570319]