Obtained 36 stack frames.
/usr/games/crawl-git-17a993e2a6(_Z17write_stack_traceP8_IO_FILE+0x3e) [0x55dfe7a6439e]: write_stack_trace(_IO_FILE*)
/usr/games/crawl-git-17a993e2a6(_Z20crash_signal_handleri+0x18f) [0x55dfe7a6480f]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x45330) [0x778843b52330]: 
/usr/games/crawl-git-17a993e2a6(+0xcd77eb) [0x55dfe824a7eb]: 
/usr/games/crawl-git-17a993e2a6(lua_next+0x32) [0x55dfe823cda2]: 
/usr/games/crawl-git-17a993e2a6(+0xce23b1) [0x55dfe82553b1]: 
/usr/games/crawl-git-17a993e2a6(+0xcccd83) [0x55dfe823fd83]: 
/usr/games/crawl-git-17a993e2a6(+0xcccfd2) [0x55dfe823ffd2]: 
/usr/games/crawl-git-17a993e2a6(+0xcdb884) [0x55dfe824e884]: 
/usr/games/crawl-git-17a993e2a6(+0xccd09d) [0x55dfe824009d]: 
/usr/games/crawl-git-17a993e2a6(+0xccbee3) [0x55dfe823eee3]: 
/usr/games/crawl-git-17a993e2a6(+0xccd4c4) [0x55dfe82404c4]: 
/usr/games/crawl-git-17a993e2a6(lua_pcallk+0x95) [0x55dfe823c775]: 
/usr/games/crawl-git-17a993e2a6(_ZN4CLua5pcallEii+0x60) [0x55dfe7a49390]: CLua::pcall(int, int)
/usr/games/crawl-git-17a993e2a6(_ZN4CLua6callfnEPKcii+0xb4) [0x55dfe7a4acb4]: CLua::callfn(char const*, int, int)
/usr/games/crawl-git-17a993e2a6(_Z13do_crash_dumpv+0x1b84) [0x55dfe7a73d24]: do_crash_dump()
/usr/games/crawl-git-17a993e2a6(_Z20crash_signal_handleri+0x1fa) [0x55dfe7a6487a]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x45330) [0x778843b52330]: 
/lib/x86_64-linux-gnu/libc.so.6(pthread_kill+0x11c) [0x778843babb2c]: 
/lib/x86_64-linux-gnu/libc.so.6(gsignal+0x1e) [0x778843b5227e]: 
/lib/x86_64-linux-gnu/libc.so.6(abort+0xdf) [0x778843b358ff]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x297b6) [0x778843b367b6]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xa8ff5) [0x778843bb5ff5]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xab12c) [0x778843bb812c]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_free+0x7e) [0x778843bbadae]: 
/usr/games/crawl-git-17a993e2a6(+0xcdfa11) [0x55dfe8252a11]: 
/usr/games/crawl-git-17a993e2a6(+0xcd1069) [0x55dfe8244069]: 
/usr/games/crawl-git-17a993e2a6(+0xcce3d9) [0x55dfe82413d9]: 
/usr/games/crawl-git-17a993e2a6(+0xcd07c6) [0x55dfe82437c6]: 
/usr/games/crawl-git-17a993e2a6(+0xcd64d6) [0x55dfe82494d6]: 
/usr/games/crawl-git-17a993e2a6(_ZN4CLua5closeEv+0xbe) [0x55dfe7a4b59e]: CLua::close()
/usr/games/crawl-git-17a993e2a6(+0x2f2c74) [0x55dfe7865c74]: 
/usr/games/crawl-git-17a993e2a6(+0x2f5c40) [0x55dfe7868c40]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x2a1ca) [0x778843b371ca]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0x8b) [0x778843b3728b]: 
/usr/games/crawl-git-17a993e2a6(_start+0x25) [0x55dfe7996f45]: