Obtained 29 stack frames.
/usr/games/crawl-git-5558ef20da(_Z17write_stack_traceP8_IO_FILE+0x3e) [0x61e12ead5b9e]: write_stack_trace(_IO_FILE*)
/usr/games/crawl-git-5558ef20da(_Z20crash_signal_handleri+0x18f) [0x61e12ead600f]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x42910) [0x7738b1642910]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xa6ecf) [0x7738b16a6ecf]: 
/lib/x86_64-linux-gnu/libc.so.6(malloc+0x19a) [0x7738b16a824a]: 
/lib/x86_64-linux-gnu/libstdc++.so.6(_Znwm+0x1c) [0x7738b1ab75ec]
/lib/x86_64-linux-gnu/libstdc++.so.6(_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE7reserveEm+0x45) [0x7738b1b59585]
/usr/games/crawl-git-5558ef20da(_Z17get_last_messagesB5cxx11ib+0x456) [0x61e12ee41a66]: get_last_messages[abi:cxx11](int, bool)
/usr/games/crawl-git-5558ef20da(_Z13do_crash_dumpv+0xaa4) [0x61e12eae4444]: do_crash_dump()
/usr/games/crawl-git-5558ef20da(_Z20crash_signal_handleri+0x1fa) [0x61e12ead607a]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x42910) [0x7738b1642910]: 
/lib/x86_64-linux-gnu/libc.so.6(pthread_kill+0x11b) [0x7738b169999b]: 
/lib/x86_64-linux-gnu/libc.so.6(raise+0x16) [0x7738b1642866]: 
/lib/x86_64-linux-gnu/libc.so.6(abort+0xd7) [0x7738b16268b7]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x27750) [0x7738b1627750]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xa3c67) [0x7738b16a3c67]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xa5ea4) [0x7738b16a5ea4]: 
/lib/x86_64-linux-gnu/libc.so.6(free+0x73) [0x7738b16a87f3]: 
/usr/games/crawl-git-5558ef20da(+0xce7161) [0x61e12f2c9161]: 
/usr/games/crawl-git-5558ef20da(+0xcd8769) [0x61e12f2ba769]: 
/usr/games/crawl-git-5558ef20da(+0xcd5b25) [0x61e12f2b7b25]: 
/usr/games/crawl-git-5558ef20da(+0xcd7ec6) [0x61e12f2b9ec6]: 
/usr/games/crawl-git-5558ef20da(+0xcddbb6) [0x61e12f2bfbb6]: 
/usr/games/crawl-git-5558ef20da(_ZN4CLua5closeEv+0xbe) [0x61e12eabccce]: CLua::close()
/usr/games/crawl-git-5558ef20da(+0x2f44aa) [0x61e12e8d64aa]: 
/usr/games/crawl-git-5558ef20da(+0x2f7473) [0x61e12e8d9473]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x280d0) [0x7738b16280d0]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0x89) [0x7738b1628189]: 
/usr/games/crawl-git-5558ef20da(_start+0x25) [0x61e12ea08155]: