Obtained 35 stack frames.
/usr/games/crawl-0.34(_Z17write_stack_traceP8_IO_FILE+0x3e) [0x62bf0c6f695e]: write_stack_trace(_IO_FILE*)
/usr/games/crawl-0.34(_Z20crash_signal_handleri+0x18f) [0x62bf0c6f6dcf]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x42910) [0x7ef890042910]: 
/lib/x86_64-linux-gnu/libc.so.6(abort+0x8f) [0x7ef89002686f]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x27750) [0x7ef890027750]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xa3c67) [0x7ef8900a3c67]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xa4978) [0x7ef8900a4978]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xa65b8) [0x7ef8900a65b8]: 
/lib/x86_64-linux-gnu/libc.so.6(malloc+0x19a) [0x7ef8900a824a]: 
/lib/x86_64-linux-gnu/libstdc++.so.6(_Znwm+0x1c) [0x7ef8904b75ec]
/lib/x86_64-linux-gnu/libstdc++.so.6(_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE7reserveEm+0x45) [0x7ef890559585]
/usr/games/crawl-0.34(_Z17get_last_messagesB5cxx11ib+0x456) [0x62bf0ca62836]: get_last_messages[abi:cxx11](int, bool)
/usr/games/crawl-0.34(_Z13do_crash_dumpv+0xaa4) [0x62bf0c705204]: do_crash_dump()
/usr/games/crawl-0.34(_Z20crash_signal_handleri+0x1fa) [0x62bf0c6f6e3a]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x42910) [0x7ef890042910]: 
/lib/x86_64-linux-gnu/libc.so.6(pthread_kill+0x11b) [0x7ef89009999b]: 
/lib/x86_64-linux-gnu/libc.so.6(raise+0x16) [0x7ef890042866]: 
/lib/x86_64-linux-gnu/libc.so.6(abort+0xd7) [0x7ef8900268b7]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x27750) [0x7ef890027750]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xa3c67) [0x7ef8900a3c67]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xa4794) [0x7ef8900a4794]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xa4939) [0x7ef8900a4939]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xa5905) [0x7ef8900a5905]: 
/lib/x86_64-linux-gnu/libc.so.6(free+0x73) [0x7ef8900a87f3]: 
/usr/games/crawl-0.34(+0xce85c1) [0x62bf0ceea5c1]: 
/usr/games/crawl-0.34(+0xcd9bc9) [0x62bf0cedbbc9]: 
/usr/games/crawl-0.34(+0xcd6f11) [0x62bf0ced8f11]: 
/usr/games/crawl-0.34(+0xcd9326) [0x62bf0cedb326]: 
/usr/games/crawl-0.34(+0xcdf016) [0x62bf0cee1016]: 
/usr/games/crawl-0.34(_ZN4CLua5closeEv+0xbe) [0x62bf0c6dda8e]: CLua::close()
/usr/games/crawl-0.34(+0x2f4f36) [0x62bf0c4f6f36]: 
/usr/games/crawl-0.34(+0x2f7eff) [0x62bf0c4f9eff]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x280d0) [0x7ef8900280d0]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0x89) [0x7ef890028189]: 
/usr/games/crawl-0.34(_start+0x25) [0x62bf0c628ea5]: