Obtained 38 stack frames.
/usr/games/crawl-git-17a993e2a6(_Z17write_stack_traceP8_IO_FILE+0x3e) [0x6477b4f8c39e]: write_stack_trace(_IO_FILE*)
/usr/games/crawl-git-17a993e2a6(_Z20crash_signal_handleri+0x18f) [0x6477b4f8c80f]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x45330) [0x75f238d55330]: 
/lib/x86_64-linux-gnu/libc.so.6(pthread_kill+0x11c) [0x75f238daeb2c]: 
/lib/x86_64-linux-gnu/libc.so.6(gsignal+0x1e) [0x75f238d5527e]: 
/lib/x86_64-linux-gnu/libc.so.6(abort+0xdf) [0x75f238d388ff]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x297b6) [0x75f238d397b6]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xa8ff5) [0x75f238db8ff5]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xa9b7c) [0x75f238db9b7c]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xa9d2b) [0x75f238db9d2b]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xaba90) [0x75f238dbba90]: 
/lib/x86_64-linux-gnu/libc.so.6(malloc+0x1a2) [0x75f238dbd7f2]: 
/lib/x86_64-linux-gnu/libstdc++.so.6(_Znwm+0x24) [0x75f2390f4904]
/lib/x86_64-linux-gnu/libstdc++.so.6(_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE7reserveEm+0x4c) [0x75f2391a1dac]
/usr/games/crawl-git-17a993e2a6(_Z17get_last_messagesB5cxx11ib+0x456) [0x6477b52f7066]: get_last_messages[abi:cxx11](int, bool)
/usr/games/crawl-git-17a993e2a6(_Z13do_crash_dumpv+0xa94) [0x6477b4f9ac34]: do_crash_dump()
/usr/games/crawl-git-17a993e2a6(_Z20crash_signal_handleri+0x1fa) [0x6477b4f8c87a]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x45330) [0x75f238d55330]: 
/lib/x86_64-linux-gnu/libc.so.6(pthread_kill+0x11c) [0x75f238daeb2c]: 
/lib/x86_64-linux-gnu/libc.so.6(gsignal+0x1e) [0x75f238d5527e]: 
/lib/x86_64-linux-gnu/libc.so.6(abort+0xdf) [0x75f238d388ff]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x297b6) [0x75f238d397b6]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xa8ff5) [0x75f238db8ff5]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xa9b7c) [0x75f238db9b7c]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xa9cda) [0x75f238db9cda]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xaada5) [0x75f238dbada5]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_free+0x7e) [0x75f238dbddae]: 
/usr/games/crawl-git-17a993e2a6(+0xcdfa11) [0x6477b577aa11]: 
/usr/games/crawl-git-17a993e2a6(+0xcd1069) [0x6477b576c069]: 
/usr/games/crawl-git-17a993e2a6(+0xcd7955) [0x6477b5772955]: 
/usr/games/crawl-git-17a993e2a6(+0xcd07c6) [0x6477b576b7c6]: 
/usr/games/crawl-git-17a993e2a6(+0xcd64d6) [0x6477b57714d6]: 
/usr/games/crawl-git-17a993e2a6(_ZN4CLua5closeEv+0xbe) [0x6477b4f7359e]: CLua::close()
/usr/games/crawl-git-17a993e2a6(+0x2f2c74) [0x6477b4d8dc74]: 
/usr/games/crawl-git-17a993e2a6(+0x2f5c40) [0x6477b4d90c40]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x2a1ca) [0x75f238d3a1ca]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0x8b) [0x75f238d3a28b]: 
/usr/games/crawl-git-17a993e2a6(_start+0x25) [0x6477b4ebef45]: