Obtained 36 stack frames.
/usr/games/crawl-0.34(_Z17write_stack_traceP8_IO_FILE+0x3e) [0x5e4c7da43a9e]: write_stack_trace(_IO_FILE*)
/usr/games/crawl-0.34(_Z20crash_signal_handleri+0x18f) [0x5e4c7da43f0f]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x45330) [0x7eefc8ff6330]: 
/usr/games/crawl-0.34(+0xce0380) [0x5e4c7e22f380]: 
/usr/games/crawl-0.34(lua_rawget+0x1d) [0x5e4c7e22042d]: 
/usr/games/crawl-0.34(+0xce834b) [0x5e4c7e23734b]: 
/usr/games/crawl-0.34(+0xceb087) [0x5e4c7e23a087]: 
/usr/games/crawl-0.34(+0xcd54e3) [0x5e4c7e2244e3]: 
/usr/games/crawl-0.34(+0xce4705) [0x5e4c7e233705]: 
/usr/games/crawl-0.34(+0xcd57fd) [0x5e4c7e2247fd]: 
/usr/games/crawl-0.34(+0xcd4643) [0x5e4c7e223643]: 
/usr/games/crawl-0.34(+0xcd5c24) [0x5e4c7e224c24]: 
/usr/games/crawl-0.34(lua_pcallk+0x95) [0x5e4c7e220ed5]: 
/usr/games/crawl-0.34(_ZN4CLua5pcallEii+0x60) [0x5e4c7da28a90]: CLua::pcall(int, int)
/usr/games/crawl-0.34(_ZN4CLua6callfnEPKcii+0xb4) [0x5e4c7da2a3b4]: CLua::callfn(char const*, int, int)
/usr/games/crawl-0.34(_Z13do_crash_dumpv+0x1b84) [0x5e4c7da53424]: do_crash_dump()
/usr/games/crawl-0.34(_Z20crash_signal_handleri+0x1fa) [0x5e4c7da43f7a]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x45330) [0x7eefc8ff6330]: 
/lib/x86_64-linux-gnu/libc.so.6(pthread_kill+0x11c) [0x7eefc904fb2c]: 
/lib/x86_64-linux-gnu/libc.so.6(gsignal+0x1e) [0x7eefc8ff627e]: 
/lib/x86_64-linux-gnu/libc.so.6(abort+0xdf) [0x7eefc8fd98ff]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x297b6) [0x7eefc8fda7b6]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xa8ff5) [0x7eefc9059ff5]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xab38c) [0x7eefc905c38c]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_free+0x7e) [0x7eefc905edae]: 
/usr/games/crawl-0.34(+0xce8171) [0x5e4c7e237171]: 
/usr/games/crawl-0.34(+0xcd97c9) [0x5e4c7e2287c9]: 
/usr/games/crawl-0.34(+0xcd6b39) [0x5e4c7e225b39]: 
/usr/games/crawl-0.34(+0xcd8f26) [0x5e4c7e227f26]: 
/usr/games/crawl-0.34(+0xcdec36) [0x5e4c7e22dc36]: 
/usr/games/crawl-0.34(_ZN4CLua5closeEv+0xbe) [0x5e4c7da2ac9e]: CLua::close()
/usr/games/crawl-0.34(+0x2f51f8) [0x5e4c7d8441f8]: 
/usr/games/crawl-0.34(+0x2f81c4) [0x5e4c7d8471c4]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x2a1ca) [0x7eefc8fdb1ca]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0x8b) [0x7eefc8fdb28b]: 
/usr/games/crawl-0.34(_start+0x25) [0x5e4c7d976145]: