Obtained 24 stack frames.
/usr/games/crawl-0.14(_Z17write_stack_traceP8_IO_FILEi+0x21) [0x552951]: write_stack_trace(_IO_FILE*, int)
/usr/games/crawl-0.14(_Z20crash_signal_handleri+0x1a8) [0x552d18]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x364c0) [0x7fe7614d84c0]: 
/lib/x86_64-linux-gnu/libpthread.so.0(raise+0x2b) [0x7fe76186eb7b]: 
/usr/games/crawl-0.14() [0x559b79]
/usr/games/crawl-0.14() [0x559e57]
/usr/games/crawl-0.14() [0x53ace6]
/usr/games/crawl-0.14(_Z11real_colourjRK9coord_def+0x22) [0x53af82]: real_colour(unsigned int, coord_def const&)
/usr/games/crawl-0.14(_Z14get_cell_glyphRK9coord_defbi+0x4b6) [0x8fa606]: get_cell_glyph(coord_def const&, bool, int)
/usr/games/crawl-0.14(_Z10screenshotv+0x1a5) [0x9dd3f5]: screenshot()
/usr/games/crawl-0.14(_Z13do_crash_dumpv+0x1d0f) [0x55bdef]: do_crash_dump()
/usr/games/crawl-0.14(_Z20crash_signal_handleri+0x9c) [0x552c0c]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x364c0) [0x7fe7614d84c0]: 
/lib/x86_64-linux-gnu/libc.so.6(__write+0x10) [0x7fe761587100]: 
/lib/x86_64-linux-gnu/libc.so.6(_IO_file_write+0x43) [0x7fe76151b313]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x791da) [0x7fe76151b1da]: 
/lib/x86_64-linux-gnu/libc.so.6(_IO_file_xsputn+0x23e) [0x7fe76151bc8e]: 
/lib/x86_64-linux-gnu/libc.so.6(fputs+0x9d) [0x7fe76151107d]: 
/usr/games/crawl-0.14(_Z3endibPKcz+0x221) [0x98a8b1]: end(int, bool, char const*, ...)
/usr/games/crawl-0.14(_Z9save_gamebPKc+0x1b5) [0x60a125]: save_game(bool, char const*)
/usr/games/crawl-0.14() [0x730ecf]
/usr/games/crawl-0.14(main+0x5fd) [0x735e5d]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xed) [0x7fe7614c376d]: 
/usr/games/crawl-0.14() [0x4bfa29]