Obtained 27 stack frames.
/usr/games/crawl-0.16(_Z17write_stack_traceP8_IO_FILEi+0x23) [0x5a2fa3]: write_stack_trace(_IO_FILE*, int)
/usr/games/crawl-0.16(_Z20crash_signal_handleri+0x1a5) [0x5a3345]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x364c0) [0x7f9f70b9d4c0]: 
/lib/x86_64-linux-gnu/libpthread.so.0(raise+0x2b) [0x7f9f70f33b7b]: 
/usr/games/crawl-0.16() [0x5a9e99]
/usr/games/crawl-0.16() [0x5aa141]
/usr/games/crawl-0.16() [0x5913d7]
/usr/games/crawl-0.16(_Z11real_colourjRK9coord_def+0x22) [0x591552]: real_colour(unsigned int, coord_def const&)
/usr/games/crawl-0.16(_Z14get_cell_glyphRK9coord_defbi+0x15b) [0x97634b]: get_cell_glyph(coord_def const&, bool, int)
/usr/games/crawl-0.16(_Z10screenshotv+0x132) [0xa76332]: screenshot()
/usr/games/crawl-0.16(_Z13do_crash_dumpv+0x2111) [0x5ac4e1]: do_crash_dump()
/usr/games/crawl-0.16(_Z20crash_signal_handleri+0x9c) [0x5a323c]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x364c0) [0x7f9f70b9d4c0]: 
/lib/x86_64-linux-gnu/libc.so.6(__write+0x10) [0x7f9f70c4c100]: 
/lib/x86_64-linux-gnu/libc.so.6(_IO_file_write+0x43) [0x7f9f70be0313]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x791da) [0x7f9f70be01da]: 
/lib/x86_64-linux-gnu/libc.so.6(_IO_file_xsputn+0x23e) [0x7f9f70be0c8e]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x4d016) [0x7f9f70bb4016]: 
/lib/x86_64-linux-gnu/libc.so.6(_IO_vfprintf+0x59e) [0x7f9f70baec1e]: 
/lib/x86_64-linux-gnu/libc.so.6(__fprintf_chk+0xeb) [0x7f9f70c6e8cb]: 
/usr/games/crawl-0.16(_Z3endibPKcz+0x237) [0x63eb47]: end(int, bool, char const*, ...)
/usr/games/crawl-0.16(_Z9save_gamebPKc+0x160) [0x65fa40]: save_game(bool, char const*)
/usr/games/crawl-0.16() [0x79d6e3]
/usr/games/crawl-0.16() [0x79e485]
/usr/games/crawl-0.16(main+0x303) [0x7a1513]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xed) [0x7f9f70b8876d]: 
/usr/games/crawl-0.16() [0x5077d9]