Obtained 27 stack frames.
/usr/games/crawl-evoker-god(_Z17write_stack_traceP8_IO_FILEi+0x23) [0x59cf03]: write_stack_trace(_IO_FILE*, int)
/usr/games/crawl-evoker-god(_Z20crash_signal_handleri+0x1a5) [0x59d2a5]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x364c0) [0x7f907bdb94c0]: 
/lib/x86_64-linux-gnu/libpthread.so.0(raise+0x2b) [0x7f907c14fb7b]: 
/usr/games/crawl-evoker-god() [0x5a3df9]
/usr/games/crawl-evoker-god() [0x5a40a1]
/usr/games/crawl-evoker-god() [0x58b2b7]
/usr/games/crawl-evoker-god(_Z11real_colourjRK9coord_def+0x22) [0x58b5d2]: real_colour(unsigned int, coord_def const&)
/usr/games/crawl-evoker-god(_Z14get_cell_glyphRK9coord_defbi+0x15b) [0x96220b]: get_cell_glyph(coord_def const&, bool, int)
/usr/games/crawl-evoker-god(_Z10screenshotv+0x132) [0xa5e042]: screenshot()
/usr/games/crawl-evoker-god(_Z13do_crash_dumpv+0x2111) [0x5a6441]: do_crash_dump()
/usr/games/crawl-evoker-god(_Z20crash_signal_handleri+0x9c) [0x59d19c]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x364c0) [0x7f907bdb94c0]: 
/lib/x86_64-linux-gnu/libc.so.6(__write+0x10) [0x7f907be68100]: 
/lib/x86_64-linux-gnu/libc.so.6(_IO_file_write+0x43) [0x7f907bdfc313]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x791da) [0x7f907bdfc1da]: 
/lib/x86_64-linux-gnu/libc.so.6(_IO_file_xsputn+0x23e) [0x7f907bdfcc8e]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x4d016) [0x7f907bdd0016]: 
/lib/x86_64-linux-gnu/libc.so.6(_IO_vfprintf+0x59e) [0x7f907bdcac1e]: 
/lib/x86_64-linux-gnu/libc.so.6(__fprintf_chk+0xeb) [0x7f907be8a8cb]: 
/usr/games/crawl-evoker-god(_Z3endibPKcz+0x237) [0x637ae7]: end(int, bool, char const*, ...)
/usr/games/crawl-evoker-god(_Z9save_gamebPKc+0x156) [0x65a086]: save_game(bool, char const*)
/usr/games/crawl-evoker-god() [0x791f35]
/usr/games/crawl-evoker-god() [0x792b0d]
/usr/games/crawl-evoker-god(main+0x303) [0x795993]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xed) [0x7f907bda476d]: 
/usr/games/crawl-evoker-god() [0x504429]