Obtained 36 stack frames.
/usr/games/crawl-git-c6910b0dee(_Z17write_stack_traceP8_IO_FILE+0x3e) [0x57af4a3092ce]: write_stack_trace(_IO_FILE*)
/usr/games/crawl-git-c6910b0dee(_Z20crash_signal_handleri+0x18f) [0x57af4a30973f]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x42910) [0x7a48c9842910]: 
/usr/games/crawl-git-c6910b0dee(+0xcd5b6b) [0x57af4aaecb6b]: 
/usr/games/crawl-git-c6910b0dee(lua_next+0x32) [0x57af4aadf172]: 
/usr/games/crawl-git-c6910b0dee(+0xce0891) [0x57af4aaf7891]: 
/usr/games/crawl-git-c6910b0dee(+0xccb153) [0x57af4aae2153]: 
/usr/games/crawl-git-c6910b0dee(+0xccb3a2) [0x57af4aae23a2]: 
/usr/games/crawl-git-c6910b0dee(+0xcd9ca4) [0x57af4aaf0ca4]: 
/usr/games/crawl-git-c6910b0dee(+0xccb46d) [0x57af4aae246d]: 
/usr/games/crawl-git-c6910b0dee(+0xcca2b3) [0x57af4aae12b3]: 
/usr/games/crawl-git-c6910b0dee(+0xccb894) [0x57af4aae2894]: 
/usr/games/crawl-git-c6910b0dee(lua_pcallk+0x95) [0x57af4aadeb45]: 
/usr/games/crawl-git-c6910b0dee(_ZN4CLua5pcallEii+0x60) [0x57af4a2ee1f0]: CLua::pcall(int, int)
/usr/games/crawl-git-c6910b0dee(_ZN4CLua6callfnEPKcii+0xb4) [0x57af4a2efb14]: CLua::callfn(char const*, int, int)
/usr/games/crawl-git-c6910b0dee(_Z13do_crash_dumpv+0x1b94) [0x57af4a318c64]: do_crash_dump()
/usr/games/crawl-git-c6910b0dee(_Z20crash_signal_handleri+0x1fa) [0x57af4a3097aa]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x42910) [0x7a48c9842910]: 
/lib/x86_64-linux-gnu/libc.so.6(pthread_kill+0x11b) [0x7a48c989999b]: 
/lib/x86_64-linux-gnu/libc.so.6(raise+0x16) [0x7a48c9842866]: 
/lib/x86_64-linux-gnu/libc.so.6(abort+0xd7) [0x7a48c98268b7]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x27750) [0x7a48c9827750]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xa3c67) [0x7a48c98a3c67]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xa5ea4) [0x7a48c98a5ea4]: 
/lib/x86_64-linux-gnu/libc.so.6(free+0x73) [0x7a48c98a87f3]: 
/usr/games/crawl-git-c6910b0dee(+0xcdde31) [0x57af4aaf4e31]: 
/usr/games/crawl-git-c6910b0dee(+0xccf439) [0x57af4aae6439]: 
/usr/games/crawl-git-c6910b0dee(+0xccc7b9) [0x57af4aae37b9]: 
/usr/games/crawl-git-c6910b0dee(+0xcceb96) [0x57af4aae5b96]: 
/usr/games/crawl-git-c6910b0dee(+0xcd4886) [0x57af4aaeb886]: 
/usr/games/crawl-git-c6910b0dee(_ZN4CLua5closeEv+0xbe) [0x57af4a2f03fe]: CLua::close()
/usr/games/crawl-git-c6910b0dee(+0x2f2d06) [0x57af4a109d06]: 
/usr/games/crawl-git-c6910b0dee(+0x2f5ccf) [0x57af4a10cccf]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x280d0) [0x7a48c98280d0]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0x89) [0x7a48c9828189]: 
/usr/games/crawl-git-c6910b0dee(_start+0x25) [0x57af4a23af75]: