Obtained 38 stack frames.
/usr/games/crawl-0.34(_Z17write_stack_traceP8_IO_FILE+0x3e) [0x5701a1af38ae]: write_stack_trace(_IO_FILE*)
/usr/games/crawl-0.34(_Z20crash_signal_handleri+0x18f) [0x5701a1af3d1f]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x42910) [0x792ba6842910]: 
/lib/x86_64-linux-gnu/libc.so.6(pthread_kill+0x11b) [0x792ba689999b]: 
/lib/x86_64-linux-gnu/libc.so.6(raise+0x16) [0x792ba6842866]: 
/lib/x86_64-linux-gnu/libc.so.6(abort+0xd7) [0x792ba68268b7]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x27750) [0x792ba6827750]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xa3c67) [0x792ba68a3c67]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xa4794) [0x792ba68a4794]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xa4939) [0x792ba68a4939]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xa65b8) [0x792ba68a65b8]: 
/lib/x86_64-linux-gnu/libc.so.6(malloc+0x19a) [0x792ba68a824a]: 
/lib/x86_64-linux-gnu/libstdc++.so.6(_Znwm+0x1c) [0x792ba6cb75ec]
/lib/x86_64-linux-gnu/libstdc++.so.6(_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE7reserveEm+0x45) [0x792ba6d59585]
/usr/games/crawl-0.34(_Z17get_last_messagesB5cxx11ib+0x456) [0x5701a1e5f796]: get_last_messages[abi:cxx11](int, bool)
/usr/games/crawl-0.34(_Z13do_crash_dumpv+0xaa4) [0x5701a1b02154]: do_crash_dump()
/usr/games/crawl-0.34(_Z20crash_signal_handleri+0x1fa) [0x5701a1af3d8a]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x42910) [0x792ba6842910]: 
/lib/x86_64-linux-gnu/libc.so.6(pthread_kill+0x11b) [0x792ba689999b]: 
/lib/x86_64-linux-gnu/libc.so.6(raise+0x16) [0x792ba6842866]: 
/lib/x86_64-linux-gnu/libc.so.6(abort+0xd7) [0x792ba68268b7]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x27750) [0x792ba6827750]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xa3c67) [0x792ba68a3c67]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xa4794) [0x792ba68a4794]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xa4939) [0x792ba68a4939]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xa5905) [0x792ba68a5905]: 
/lib/x86_64-linux-gnu/libc.so.6(free+0x73) [0x792ba68a87f3]: 
/usr/games/crawl-0.34(+0xce8361) [0x5701a22e7361]: 
/usr/games/crawl-0.34(+0xcd9969) [0x5701a22d8969]: 
/usr/games/crawl-0.34(+0xcd6cd9) [0x5701a22d5cd9]: 
/usr/games/crawl-0.34(+0xcd90c6) [0x5701a22d80c6]: 
/usr/games/crawl-0.34(+0xcdedb6) [0x5701a22dddb6]: 
/usr/games/crawl-0.34(_ZN4CLua5closeEv+0xbe) [0x5701a1ada9de]: CLua::close()
/usr/games/crawl-0.34(+0x2f4e9c) [0x5701a18f3e9c]: 
/usr/games/crawl-0.34(+0x2f7e65) [0x5701a18f6e65]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x280d0) [0x792ba68280d0]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0x89) [0x792ba6828189]: 
/usr/games/crawl-0.34(_start+0x25) [0x5701a1a25de5]: