Obtained 36 stack frames.
/usr/games/crawl-0.34(_Z17write_stack_traceP8_IO_FILE+0x3e) [0x5b0f621a2a9e]: write_stack_trace(_IO_FILE*)
/usr/games/crawl-0.34(_Z20crash_signal_handleri+0x18f) [0x5b0f621a2f0f]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x45330) [0x716e0a170330]: 
/usr/games/crawl-0.34(+0xce0380) [0x5b0f6298e380]: 
/usr/games/crawl-0.34(lua_rawget+0x1d) [0x5b0f6297f42d]: 
/usr/games/crawl-0.34(+0xce834b) [0x5b0f6299634b]: 
/usr/games/crawl-0.34(+0xceb087) [0x5b0f62999087]: 
/usr/games/crawl-0.34(+0xcd54e3) [0x5b0f629834e3]: 
/usr/games/crawl-0.34(+0xce4705) [0x5b0f62992705]: 
/usr/games/crawl-0.34(+0xcd57fd) [0x5b0f629837fd]: 
/usr/games/crawl-0.34(+0xcd4643) [0x5b0f62982643]: 
/usr/games/crawl-0.34(+0xcd5c24) [0x5b0f62983c24]: 
/usr/games/crawl-0.34(lua_pcallk+0x95) [0x5b0f6297fed5]: 
/usr/games/crawl-0.34(_ZN4CLua5pcallEii+0x60) [0x5b0f62187a90]: CLua::pcall(int, int)
/usr/games/crawl-0.34(_ZN4CLua6callfnEPKcii+0xb4) [0x5b0f621893b4]: CLua::callfn(char const*, int, int)
/usr/games/crawl-0.34(_Z13do_crash_dumpv+0x1b84) [0x5b0f621b2424]: do_crash_dump()
/usr/games/crawl-0.34(_Z20crash_signal_handleri+0x1fa) [0x5b0f621a2f7a]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x45330) [0x716e0a170330]: 
/lib/x86_64-linux-gnu/libc.so.6(pthread_kill+0x11c) [0x716e0a1c9b2c]: 
/lib/x86_64-linux-gnu/libc.so.6(gsignal+0x1e) [0x716e0a17027e]: 
/lib/x86_64-linux-gnu/libc.so.6(abort+0xdf) [0x716e0a1538ff]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x297b6) [0x716e0a1547b6]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xa8ff5) [0x716e0a1d3ff5]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xab38c) [0x716e0a1d638c]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_free+0x7e) [0x716e0a1d8dae]: 
/usr/games/crawl-0.34(+0xce8171) [0x5b0f62996171]: 
/usr/games/crawl-0.34(+0xcd97c9) [0x5b0f629877c9]: 
/usr/games/crawl-0.34(+0xcd6b71) [0x5b0f62984b71]: 
/usr/games/crawl-0.34(+0xcd8f26) [0x5b0f62986f26]: 
/usr/games/crawl-0.34(+0xcdec36) [0x5b0f6298cc36]: 
/usr/games/crawl-0.34(_ZN4CLua5closeEv+0xbe) [0x5b0f62189c9e]: CLua::close()
/usr/games/crawl-0.34(+0x2f51f8) [0x5b0f61fa31f8]: 
/usr/games/crawl-0.34(+0x2f81c4) [0x5b0f61fa61c4]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x2a1ca) [0x716e0a1551ca]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0x8b) [0x716e0a15528b]: 
/usr/games/crawl-0.34(_start+0x25) [0x5b0f620d5145]: