Obtained 25 stack frames.
/usr/games/crawl-git-f0858a56f2(_Z17write_stack_traceP8_IO_FILEi+0x23) [0x5eda53]: write_stack_trace(_IO_FILE*, int)
/usr/games/crawl-git-f0858a56f2() [0x5eddc4]
/lib/x86_64-linux-gnu/libc.so.6(+0x324f0) [0x7f24c58db4f0]: 
/lib/x86_64-linux-gnu/libpthread.so.0(raise+0x2b) [0x7f24c5c41efb]: 
/usr/games/crawl-git-f0858a56f2() [0x5f3914]
/usr/games/crawl-git-f0858a56f2() [0x5f3b7a]
/usr/games/crawl-git-f0858a56f2() [0x5d67d6]
/usr/games/crawl-git-f0858a56f2(_Z11real_colourjRK9coord_def+0x22) [0x5d6992]: real_colour(unsigned int, coord_def const&)
/usr/games/crawl-git-f0858a56f2(_Z14get_cell_glyphRK9coord_defbi+0x198) [0x95ce58]: get_cell_glyph(coord_def const&, bool, int)
/usr/games/crawl-git-f0858a56f2(_Z10screenshotv+0x16a) [0xa3654a]: screenshot()
/usr/games/crawl-git-f0858a56f2(_Z13do_crash_dumpv+0x1696) [0x5f5406]: do_crash_dump()
/usr/games/crawl-git-f0858a56f2() [0x5edcc4]
/lib/x86_64-linux-gnu/libc.so.6(+0x324f0) [0x7f24c58db4f0]: 
/lib/x86_64-linux-gnu/libc.so.6(__write+0x10) [0x7f24c5977af0]: 
/lib/x86_64-linux-gnu/libc.so.6(_IO_file_write+0x43) [0x7f24c591be53]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x72aca) [0x7f24c591baca]: 
/lib/x86_64-linux-gnu/libc.so.6(_IO_file_xsputn+0x1fe) [0x7f24c591bdbe]: 
/lib/x86_64-linux-gnu/libc.so.6(fputs+0x9c) [0x7f24c5911a0c]: 
/usr/games/crawl-git-f0858a56f2(_Z3endibPKcz+0x2db) [0x9e624b]: end(int, bool, char const*, ...)
/usr/games/crawl-git-f0858a56f2(_Z9save_gamebPKc+0x142) [0x69ce72]: save_game(bool, char const*)
/usr/games/crawl-git-f0858a56f2() [0x7b2ead]
/usr/games/crawl-git-f0858a56f2() [0x7b395d]
/usr/games/crawl-git-f0858a56f2(main+0x2f9) [0x4f9909]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xfd) [0x7f24c58c7ead]: 
/usr/games/crawl-git-f0858a56f2() [0x567e8d]