Obtained 38 stack frames.
/usr/games/crawl-git-903b2947ba(_Z17write_stack_traceP8_IO_FILE+0x3e) [0x5c8774e748fe]: write_stack_trace(_IO_FILE*)
/usr/games/crawl-git-903b2947ba(_Z20crash_signal_handleri+0x18f) [0x5c8774e74d6f]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x45330) [0x7d6a85035330]: 
/lib/x86_64-linux-gnu/libc.so.6(pthread_kill+0x11c) [0x7d6a8508eb2c]: 
/lib/x86_64-linux-gnu/libc.so.6(gsignal+0x1e) [0x7d6a8503527e]: 
/lib/x86_64-linux-gnu/libc.so.6(abort+0xdf) [0x7d6a850188ff]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x297b6) [0x7d6a850197b6]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xa8ff5) [0x7d6a85098ff5]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xa9b7c) [0x7d6a85099b7c]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xa9cda) [0x7d6a85099cda]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xaba90) [0x7d6a8509ba90]: 
/lib/x86_64-linux-gnu/libc.so.6(malloc+0x1a2) [0x7d6a8509d7f2]: 
/lib/x86_64-linux-gnu/libstdc++.so.6(_Znwm+0x24) [0x7d6a853d4904]
/lib/x86_64-linux-gnu/libstdc++.so.6(_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE7reserveEm+0x4c) [0x7d6a85481dac]
/usr/games/crawl-git-903b2947ba(_Z17get_last_messagesB5cxx11ib+0x456) [0x5c87751df816]: get_last_messages[abi:cxx11](int, bool)
/usr/games/crawl-git-903b2947ba(_Z13do_crash_dumpv+0xa94) [0x5c8774e83194]: do_crash_dump()
/usr/games/crawl-git-903b2947ba(_Z20crash_signal_handleri+0x1fa) [0x5c8774e74dda]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x45330) [0x7d6a85035330]: 
/lib/x86_64-linux-gnu/libc.so.6(pthread_kill+0x11c) [0x7d6a8508eb2c]: 
/lib/x86_64-linux-gnu/libc.so.6(gsignal+0x1e) [0x7d6a8503527e]: 
/lib/x86_64-linux-gnu/libc.so.6(abort+0xdf) [0x7d6a850188ff]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x297b6) [0x7d6a850197b6]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xa8ff5) [0x7d6a85098ff5]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xa9b7c) [0x7d6a85099b7c]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xa9d2b) [0x7d6a85099d2b]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xaada5) [0x7d6a8509ada5]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_free+0x7e) [0x7d6a8509ddae]: 
/usr/games/crawl-git-903b2947ba(+0xcde1c1) [0x5c87756601c1]: 
/usr/games/crawl-git-903b2947ba(+0xccf819) [0x5c8775651819]: 
/usr/games/crawl-git-903b2947ba(+0xcd6105) [0x5c8775658105]: 
/usr/games/crawl-git-903b2947ba(+0xccef76) [0x5c8775650f76]: 
/usr/games/crawl-git-903b2947ba(+0xcd4c86) [0x5c8775656c86]: 
/usr/games/crawl-git-903b2947ba(_ZN4CLua5closeEv+0xbe) [0x5c8774e5bafe]: CLua::close()
/usr/games/crawl-git-903b2947ba(+0x2f3410) [0x5c8774c75410]: 
/usr/games/crawl-git-903b2947ba(+0x2f63dc) [0x5c8774c783dc]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x2a1ca) [0x7d6a8501a1ca]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0x8b) [0x7d6a8501a28b]: 
/usr/games/crawl-git-903b2947ba(_start+0x25) [0x5c8774da6675]: