Obtained 27 stack frames.
/usr/games/crawl-evoker-god(_Z17write_stack_traceP8_IO_FILEi+0x23) [0x59ceb3]: write_stack_trace(_IO_FILE*, int)
/usr/games/crawl-evoker-god(_Z20crash_signal_handleri+0x1a5) [0x59d255]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x364c0) [0x7f52ba5c24c0]: 
/lib/x86_64-linux-gnu/libpthread.so.0(raise+0x2b) [0x7f52ba958b7b]: 
/usr/games/crawl-evoker-god() [0x5a3da9]
/usr/games/crawl-evoker-god() [0x5a4051]
/usr/games/crawl-evoker-god() [0x58b267]
/usr/games/crawl-evoker-god(_Z11real_colourjRK9coord_def+0x22) [0x58b582]: real_colour(unsigned int, coord_def const&)
/usr/games/crawl-evoker-god(_Z14get_cell_glyphRK9coord_defbi+0x15b) [0x9620bb]: get_cell_glyph(coord_def const&, bool, int)
/usr/games/crawl-evoker-god(_Z10screenshotv+0x132) [0xa5df02]: screenshot()
/usr/games/crawl-evoker-god(_Z13do_crash_dumpv+0x2111) [0x5a63f1]: do_crash_dump()
/usr/games/crawl-evoker-god(_Z20crash_signal_handleri+0x9c) [0x59d14c]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x364c0) [0x7f52ba5c24c0]: 
/lib/x86_64-linux-gnu/libc.so.6(__write+0x10) [0x7f52ba671100]: 
/lib/x86_64-linux-gnu/libc.so.6(_IO_file_write+0x43) [0x7f52ba605313]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x791da) [0x7f52ba6051da]: 
/lib/x86_64-linux-gnu/libc.so.6(_IO_file_xsputn+0x23e) [0x7f52ba605c8e]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x4d016) [0x7f52ba5d9016]: 
/lib/x86_64-linux-gnu/libc.so.6(_IO_vfprintf+0x59e) [0x7f52ba5d3c1e]: 
/lib/x86_64-linux-gnu/libc.so.6(__fprintf_chk+0xeb) [0x7f52ba6938cb]: 
/usr/games/crawl-evoker-god(_Z3endibPKcz+0x237) [0x637a97]: end(int, bool, char const*, ...)
/usr/games/crawl-evoker-god(_Z9save_gamebPKc+0x156) [0x65a036]: save_game(bool, char const*)
/usr/games/crawl-evoker-god() [0x791cc7]
/usr/games/crawl-evoker-god() [0x792abd]
/usr/games/crawl-evoker-god(main+0x303) [0x795943]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xed) [0x7f52ba5ad76d]: 
/usr/games/crawl-evoker-god() [0x504429]