Obtained 25 stack frames.
/usr/games/crawl-git-3ffea203fb(_Z17write_stack_traceP8_IO_FILEi+0x23) [0x5f48c3]: write_stack_trace(_IO_FILE*, int)
/usr/games/crawl-git-3ffea203fb() [0x5f4c34]
/lib/x86_64-linux-gnu/libc.so.6(+0x324f0) [0x7f51497fa4f0]: 
/lib/x86_64-linux-gnu/libpthread.so.0(raise+0x2b) [0x7f5149b60efb]: 
/usr/games/crawl-git-3ffea203fb() [0x5fa884]
/usr/games/crawl-git-3ffea203fb() [0x5faaea]
/usr/games/crawl-git-3ffea203fb() [0x5dd366]
/usr/games/crawl-git-3ffea203fb(_Z11real_colourjRK9coord_def+0x22) [0x5dd522]: real_colour(unsigned int, coord_def const&)
/usr/games/crawl-git-3ffea203fb(_Z14get_cell_glyphRK9coord_defbi+0x15b) [0x965f2b]: get_cell_glyph(coord_def const&, bool, int)
/usr/games/crawl-git-3ffea203fb(_Z10screenshotv+0x16a) [0xa41a1a]: screenshot()
/usr/games/crawl-git-3ffea203fb(_Z13do_crash_dumpv+0x16bf) [0x5fc39f]: do_crash_dump()
/usr/games/crawl-git-3ffea203fb() [0x5f4b34]
/lib/x86_64-linux-gnu/libc.so.6(+0x324f0) [0x7f51497fa4f0]: 
/lib/x86_64-linux-gnu/libc.so.6(__write+0x10) [0x7f5149896af0]: 
/lib/x86_64-linux-gnu/libc.so.6(_IO_file_write+0x43) [0x7f514983ae53]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x72aca) [0x7f514983aaca]: 
/lib/x86_64-linux-gnu/libc.so.6(_IO_file_xsputn+0x1fe) [0x7f514983adbe]: 
/lib/x86_64-linux-gnu/libc.so.6(fputs+0x9c) [0x7f5149830a0c]: 
/usr/games/crawl-git-3ffea203fb(_Z3endibPKcz+0x20b) [0x9f06ab]: end(int, bool, char const*, ...)
/usr/games/crawl-git-3ffea203fb(_Z9save_gamebPKc+0x152) [0x6a3c32]: save_game(bool, char const*)
/usr/games/crawl-git-3ffea203fb() [0x7bb0a2]
/usr/games/crawl-git-3ffea203fb() [0x7bbb9d]
/usr/games/crawl-git-3ffea203fb(main+0x2f9) [0x4fbaa9]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xfd) [0x7f51497e6ead]: 
/usr/games/crawl-git-3ffea203fb() [0x56d74d]