Obtained 29 stack frames.
/usr/games/crawl-0.34(_Z17write_stack_traceP8_IO_FILE+0x3e) [0x5ca336ddc97e]: write_stack_trace(_IO_FILE*)
/usr/games/crawl-0.34(_Z20crash_signal_handleri+0x18f) [0x5ca336ddcdef]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x42910) [0x7e92c1e42910]: 
/lib/x86_64-linux-gnu/libc.so.6(abort+0x8f) [0x7e92c1e2686f]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x27750) [0x7e92c1e27750]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xa3c67) [0x7e92c1ea3c67]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xa47ae) [0x7e92c1ea47ae]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xa5c13) [0x7e92c1ea5c13]: 
/lib/x86_64-linux-gnu/libc.so.6(free+0x73) [0x7e92c1ea87f3]: 
/usr/games/crawl-0.34(_Z17get_last_messagesB5cxx11ib+0x526) [0x5ca337148936]: get_last_messages[abi:cxx11](int, bool)
/usr/games/crawl-0.34(_Z13do_crash_dumpv+0xaa4) [0x5ca336deb224]: do_crash_dump()
/usr/games/crawl-0.34(_Z20crash_signal_handleri+0x1fa) [0x5ca336ddce5a]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x42910) [0x7e92c1e42910]: 
/lib/x86_64-linux-gnu/libc.so.6(pthread_kill+0x11b) [0x7e92c1e9999b]: 
/lib/x86_64-linux-gnu/libc.so.6(raise+0x16) [0x7e92c1e42866]: 
/lib/x86_64-linux-gnu/libc.so.6(abort+0xd7) [0x7e92c1e268b7]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x27750) [0x7e92c1e27750]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xa3c67) [0x7e92c1ea3c67]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xa5c5c) [0x7e92c1ea5c5c]: 
/lib/x86_64-linux-gnu/libc.so.6(free+0x73) [0x7e92c1ea87f3]: 
/usr/games/crawl-0.34(+0xce82f1) [0x5ca3375d02f1]: 
/usr/games/crawl-0.34(+0xcd98f9) [0x5ca3375c18f9]: 
/usr/games/crawl-0.34(+0xcded6d) [0x5ca3375c6d6d]: 
/usr/games/crawl-0.34(_ZN4CLua5closeEv+0xbe) [0x5ca336dc3aae]: CLua::close()
/usr/games/crawl-0.34(+0x2f4ef2) [0x5ca336bdcef2]: 
/usr/games/crawl-0.34(+0x2f7ebb) [0x5ca336bdfebb]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x280d0) [0x7e92c1e280d0]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0x89) [0x7e92c1e28189]: 
/usr/games/crawl-0.34(_start+0x25) [0x5ca336d0ee55]: