Obtained 37 stack frames.
/usr/games/crawl-git-17a993e2a6(_Z17write_stack_traceP8_IO_FILE+0x3e) [0x5cf40cc6439e]: write_stack_trace(_IO_FILE*)
/usr/games/crawl-git-17a993e2a6(_Z20crash_signal_handleri+0x18f) [0x5cf40cc6480f]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x45330) [0x7aed34846330]: 
/usr/games/crawl-git-17a993e2a6(+0xcd77eb) [0x5cf40d44a7eb]: 
/usr/games/crawl-git-17a993e2a6(lua_next+0x32) [0x5cf40d43cda2]: 
/usr/games/crawl-git-17a993e2a6(+0xce23b1) [0x5cf40d4553b1]: 
/usr/games/crawl-git-17a993e2a6(+0xcccd83) [0x5cf40d43fd83]: 
/usr/games/crawl-git-17a993e2a6(+0xcccfd2) [0x5cf40d43ffd2]: 
/usr/games/crawl-git-17a993e2a6(+0xcdb884) [0x5cf40d44e884]: 
/usr/games/crawl-git-17a993e2a6(+0xccd09d) [0x5cf40d44009d]: 
/usr/games/crawl-git-17a993e2a6(+0xccbee3) [0x5cf40d43eee3]: 
/usr/games/crawl-git-17a993e2a6(+0xccd4c4) [0x5cf40d4404c4]: 
/usr/games/crawl-git-17a993e2a6(lua_pcallk+0x95) [0x5cf40d43c775]: 
/usr/games/crawl-git-17a993e2a6(_ZN4CLua5pcallEii+0x60) [0x5cf40cc49390]: CLua::pcall(int, int)
/usr/games/crawl-git-17a993e2a6(_ZN4CLua6callfnEPKcii+0xb4) [0x5cf40cc4acb4]: CLua::callfn(char const*, int, int)
/usr/games/crawl-git-17a993e2a6(_Z13do_crash_dumpv+0x1b84) [0x5cf40cc73d24]: do_crash_dump()
/usr/games/crawl-git-17a993e2a6(_Z20crash_signal_handleri+0x1fa) [0x5cf40cc6487a]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x45330) [0x7aed34846330]: 
/lib/x86_64-linux-gnu/libc.so.6(pthread_kill+0x11c) [0x7aed3489fb2c]: 
/lib/x86_64-linux-gnu/libc.so.6(gsignal+0x1e) [0x7aed3484627e]: 
/lib/x86_64-linux-gnu/libc.so.6(abort+0xdf) [0x7aed348298ff]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x297b6) [0x7aed3482a7b6]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xa8ff5) [0x7aed348a9ff5]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xa9b96) [0x7aed348aab96]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xab0e3) [0x7aed348ac0e3]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_free+0x7e) [0x7aed348aedae]: 
/usr/games/crawl-git-17a993e2a6(+0xcdfa11) [0x5cf40d452a11]: 
/usr/games/crawl-git-17a993e2a6(+0xcd1069) [0x5cf40d444069]: 
/usr/games/crawl-git-17a993e2a6(+0xcd7955) [0x5cf40d44a955]: 
/usr/games/crawl-git-17a993e2a6(+0xcd07c6) [0x5cf40d4437c6]: 
/usr/games/crawl-git-17a993e2a6(+0xcd64d6) [0x5cf40d4494d6]: 
/usr/games/crawl-git-17a993e2a6(_ZN4CLua5closeEv+0xbe) [0x5cf40cc4b59e]: CLua::close()
/usr/games/crawl-git-17a993e2a6(+0x2f2c74) [0x5cf40ca65c74]: 
/usr/games/crawl-git-17a993e2a6(+0x2f5c40) [0x5cf40ca68c40]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x2a1ca) [0x7aed3482b1ca]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0x8b) [0x7aed3482b28b]: 
/usr/games/crawl-git-17a993e2a6(_start+0x25) [0x5cf40cb96f45]: