Obtained 37 stack frames.
/usr/games/crawl-0.34(_Z17write_stack_traceP8_IO_FILE+0x3e) [0x606ef9b5bf1e]: write_stack_trace(_IO_FILE*)
/usr/games/crawl-0.34(_Z20crash_signal_handleri+0x18f) [0x606ef9b5c38f]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x45330) [0x716daeb86330]: 
/usr/games/crawl-0.34(+0xce18ab) [0x606efa3488ab]: 
/usr/games/crawl-0.34(lua_next+0x32) [0x606efa33ae62]: 
/usr/games/crawl-0.34(+0xcec471) [0x606efa353471]: 
/usr/games/crawl-0.34(+0xcd6e43) [0x606efa33de43]: 
/usr/games/crawl-0.34(+0xcd7092) [0x606efa33e092]: 
/usr/games/crawl-0.34(+0xce5944) [0x606efa34c944]: 
/usr/games/crawl-0.34(+0xcd715d) [0x606efa33e15d]: 
/usr/games/crawl-0.34(+0xcd5fa3) [0x606efa33cfa3]: 
/usr/games/crawl-0.34(+0xcd7584) [0x606efa33e584]: 
/usr/games/crawl-0.34(lua_pcallk+0x95) [0x606efa33a835]: 
/usr/games/crawl-0.34(_ZN4CLua5pcallEii+0x60) [0x606ef9b40f10]: CLua::pcall(int, int)
/usr/games/crawl-0.34(_ZN4CLua6callfnEPKcii+0xb4) [0x606ef9b42834]: CLua::callfn(char const*, int, int)
/usr/games/crawl-0.34(_Z13do_crash_dumpv+0x1b84) [0x606ef9b6b8a4]: do_crash_dump()
/usr/games/crawl-0.34(_Z20crash_signal_handleri+0x1fa) [0x606ef9b5c3fa]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x45330) [0x716daeb86330]: 
/lib/x86_64-linux-gnu/libc.so.6(pthread_kill+0x11c) [0x716daebdfb2c]: 
/lib/x86_64-linux-gnu/libc.so.6(gsignal+0x1e) [0x716daeb8627e]: 
/lib/x86_64-linux-gnu/libc.so.6(abort+0xdf) [0x716daeb698ff]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x297b6) [0x716daeb6a7b6]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xa8ff5) [0x716daebe9ff5]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xa9b96) [0x716daebeab96]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xab0e3) [0x716daebec0e3]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_free+0x7e) [0x716daebeedae]: 
/usr/games/crawl-0.34(+0xce9ad1) [0x606efa350ad1]: 
/usr/games/crawl-0.34(+0xcdb129) [0x606efa342129]: 
/usr/games/crawl-0.34(+0xce1a15) [0x606efa348a15]: 
/usr/games/crawl-0.34(+0xcda886) [0x606efa341886]: 
/usr/games/crawl-0.34(+0xce0596) [0x606efa347596]: 
/usr/games/crawl-0.34(_ZN4CLua5closeEv+0xbe) [0x606ef9b4311e]: CLua::close()
/usr/games/crawl-0.34(+0x2f5636) [0x606ef995c636]: 
/usr/games/crawl-0.34(+0x2f8602) [0x606ef995f602]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x2a1ca) [0x716daeb6b1ca]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0x8b) [0x716daeb6b28b]: 
/usr/games/crawl-0.34(_start+0x25) [0x606ef9a8e5a5]: