Obtained 36 stack frames.
/usr/games/crawl-git-17a993e2a6(_Z17write_stack_traceP8_IO_FILE+0x3e) [0x63d528f0e39e]: write_stack_trace(_IO_FILE*)
/usr/games/crawl-git-17a993e2a6(_Z20crash_signal_handleri+0x18f) [0x63d528f0e80f]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x45330) [0x7897953c3330]: 
/usr/games/crawl-git-17a993e2a6(+0xcd77eb) [0x63d5296f47eb]: 
/usr/games/crawl-git-17a993e2a6(lua_next+0x32) [0x63d5296e6da2]: 
/usr/games/crawl-git-17a993e2a6(+0xce23b1) [0x63d5296ff3b1]: 
/usr/games/crawl-git-17a993e2a6(+0xcccd83) [0x63d5296e9d83]: 
/usr/games/crawl-git-17a993e2a6(+0xcccfd2) [0x63d5296e9fd2]: 
/usr/games/crawl-git-17a993e2a6(+0xcdb884) [0x63d5296f8884]: 
/usr/games/crawl-git-17a993e2a6(+0xccd09d) [0x63d5296ea09d]: 
/usr/games/crawl-git-17a993e2a6(+0xccbee3) [0x63d5296e8ee3]: 
/usr/games/crawl-git-17a993e2a6(+0xccd4c4) [0x63d5296ea4c4]: 
/usr/games/crawl-git-17a993e2a6(lua_pcallk+0x95) [0x63d5296e6775]: 
/usr/games/crawl-git-17a993e2a6(_ZN4CLua5pcallEii+0x60) [0x63d528ef3390]: CLua::pcall(int, int)
/usr/games/crawl-git-17a993e2a6(_ZN4CLua6callfnEPKcii+0xb4) [0x63d528ef4cb4]: CLua::callfn(char const*, int, int)
/usr/games/crawl-git-17a993e2a6(_Z13do_crash_dumpv+0x1b84) [0x63d528f1dd24]: do_crash_dump()
/usr/games/crawl-git-17a993e2a6(_Z20crash_signal_handleri+0x1fa) [0x63d528f0e87a]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x45330) [0x7897953c3330]: 
/lib/x86_64-linux-gnu/libc.so.6(pthread_kill+0x11c) [0x78979541cb2c]: 
/lib/x86_64-linux-gnu/libc.so.6(gsignal+0x1e) [0x7897953c327e]: 
/lib/x86_64-linux-gnu/libc.so.6(abort+0xdf) [0x7897953a68ff]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x297b6) [0x7897953a77b6]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xa8ff5) [0x789795426ff5]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xab12c) [0x78979542912c]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_free+0x7e) [0x78979542bdae]: 
/usr/games/crawl-git-17a993e2a6(+0xcdfa11) [0x63d5296fca11]: 
/usr/games/crawl-git-17a993e2a6(+0xcd1069) [0x63d5296ee069]: 
/usr/games/crawl-git-17a993e2a6(+0xcce3d9) [0x63d5296eb3d9]: 
/usr/games/crawl-git-17a993e2a6(+0xcd07c6) [0x63d5296ed7c6]: 
/usr/games/crawl-git-17a993e2a6(+0xcd64d6) [0x63d5296f34d6]: 
/usr/games/crawl-git-17a993e2a6(_ZN4CLua5closeEv+0xbe) [0x63d528ef559e]: CLua::close()
/usr/games/crawl-git-17a993e2a6(+0x2f2c74) [0x63d528d0fc74]: 
/usr/games/crawl-git-17a993e2a6(+0x2f5c40) [0x63d528d12c40]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x2a1ca) [0x7897953a81ca]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0x8b) [0x7897953a828b]: 
/usr/games/crawl-git-17a993e2a6(_start+0x25) [0x63d528e40f45]: