Obtained 36 stack frames.
/usr/games/crawl-git-43051b6e75(_Z17write_stack_traceP8_IO_FILE+0x3e) [0x5b3e2350b39e]: write_stack_trace(_IO_FILE*)
/usr/games/crawl-git-43051b6e75(_Z20crash_signal_handleri+0x18f) [0x5b3e2350b80f]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x45330) [0x7693fa5e5330]: 
/usr/games/crawl-git-43051b6e75(+0xcd77cb) [0x5b3e23cf17cb]: 
/usr/games/crawl-git-43051b6e75(lua_next+0x32) [0x5b3e23ce3d82]: 
/usr/games/crawl-git-43051b6e75(+0xce2391) [0x5b3e23cfc391]: 
/usr/games/crawl-git-43051b6e75(+0xcccd63) [0x5b3e23ce6d63]: 
/usr/games/crawl-git-43051b6e75(+0xcccfb2) [0x5b3e23ce6fb2]: 
/usr/games/crawl-git-43051b6e75(+0xcdb864) [0x5b3e23cf5864]: 
/usr/games/crawl-git-43051b6e75(+0xccd07d) [0x5b3e23ce707d]: 
/usr/games/crawl-git-43051b6e75(+0xccbec3) [0x5b3e23ce5ec3]: 
/usr/games/crawl-git-43051b6e75(+0xccd4a4) [0x5b3e23ce74a4]: 
/usr/games/crawl-git-43051b6e75(lua_pcallk+0x95) [0x5b3e23ce3755]: 
/usr/games/crawl-git-43051b6e75(_ZN4CLua5pcallEii+0x60) [0x5b3e234f0390]: CLua::pcall(int, int)
/usr/games/crawl-git-43051b6e75(_ZN4CLua6callfnEPKcii+0xb4) [0x5b3e234f1cb4]: CLua::callfn(char const*, int, int)
/usr/games/crawl-git-43051b6e75(_Z13do_crash_dumpv+0x1b84) [0x5b3e2351ad24]: do_crash_dump()
/usr/games/crawl-git-43051b6e75(_Z20crash_signal_handleri+0x1fa) [0x5b3e2350b87a]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x45330) [0x7693fa5e5330]: 
/lib/x86_64-linux-gnu/libc.so.6(pthread_kill+0x11c) [0x7693fa63eb2c]: 
/lib/x86_64-linux-gnu/libc.so.6(gsignal+0x1e) [0x7693fa5e527e]: 
/lib/x86_64-linux-gnu/libc.so.6(abort+0xdf) [0x7693fa5c88ff]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x297b6) [0x7693fa5c97b6]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xa8ff5) [0x7693fa648ff5]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xab12c) [0x7693fa64b12c]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_free+0x7e) [0x7693fa64ddae]: 
/usr/games/crawl-git-43051b6e75(+0xcdf9f1) [0x5b3e23cf99f1]: 
/usr/games/crawl-git-43051b6e75(+0xcd1049) [0x5b3e23ceb049]: 
/usr/games/crawl-git-43051b6e75(+0xcce3b9) [0x5b3e23ce83b9]: 
/usr/games/crawl-git-43051b6e75(+0xcd07a6) [0x5b3e23cea7a6]: 
/usr/games/crawl-git-43051b6e75(+0xcd64b6) [0x5b3e23cf04b6]: 
/usr/games/crawl-git-43051b6e75(_ZN4CLua5closeEv+0xbe) [0x5b3e234f259e]: CLua::close()
/usr/games/crawl-git-43051b6e75(+0x2f2c74) [0x5b3e2330cc74]: 
/usr/games/crawl-git-43051b6e75(+0x2f5c40) [0x5b3e2330fc40]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x2a1ca) [0x7693fa5ca1ca]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0x8b) [0x7693fa5ca28b]: 
/usr/games/crawl-git-43051b6e75(_start+0x25) [0x5b3e2343df45]: