Obtained 27 stack frames.
/usr/games/crawl-evoker-god(_Z17write_stack_traceP8_IO_FILEi+0x23) [0x597033]: write_stack_trace(_IO_FILE*, int)
/usr/games/crawl-evoker-god(_Z20crash_signal_handleri+0x1a5) [0x5973d5]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x364c0) [0x7fbd7e3344c0]: 
/lib/x86_64-linux-gnu/libpthread.so.0(raise+0x2b) [0x7fbd7e6cab7b]: 
/usr/games/crawl-evoker-god() [0x59dd89]
/usr/games/crawl-evoker-god() [0x59e031]
/usr/games/crawl-evoker-god() [0x5855e7]
/usr/games/crawl-evoker-god(_Z11real_colourjRK9coord_def+0x22) [0x585902]: real_colour(unsigned int, coord_def const&)
/usr/games/crawl-evoker-god(_Z14get_cell_glyphRK9coord_defbi+0x15b) [0x954e9b]: get_cell_glyph(coord_def const&, bool, int)
/usr/games/crawl-evoker-god(_Z10screenshotv+0x132) [0xa4f742]: screenshot()
/usr/games/crawl-evoker-god(_Z13do_crash_dumpv+0x2111) [0x5a03d1]: do_crash_dump()
/usr/games/crawl-evoker-god(_Z20crash_signal_handleri+0x9c) [0x5972cc]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x364c0) [0x7fbd7e3344c0]: 
/lib/x86_64-linux-gnu/libc.so.6(__write+0x10) [0x7fbd7e3e3100]: 
/lib/x86_64-linux-gnu/libc.so.6(_IO_file_write+0x43) [0x7fbd7e377313]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x791da) [0x7fbd7e3771da]: 
/lib/x86_64-linux-gnu/libc.so.6(_IO_file_xsputn+0x23e) [0x7fbd7e377c8e]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x4d016) [0x7fbd7e34b016]: 
/lib/x86_64-linux-gnu/libc.so.6(_IO_vfprintf+0x59e) [0x7fbd7e345c1e]: 
/lib/x86_64-linux-gnu/libc.so.6(__fprintf_chk+0xeb) [0x7fbd7e4058cb]: 
/usr/games/crawl-evoker-god(_Z3endibPKcz+0x237) [0x630067]: end(int, bool, char const*, ...)
/usr/games/crawl-evoker-god(_Z9save_gamebPKc+0x156) [0x652236]: save_game(bool, char const*)
/usr/games/crawl-evoker-god() [0x7871f7]
/usr/games/crawl-evoker-god() [0x787fed]
/usr/games/crawl-evoker-god(main+0x303) [0x78aeb3]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xed) [0x7fbd7e31f76d]: 
/usr/games/crawl-evoker-god() [0x502159]