Obtained 36 stack frames.
/usr/games/crawl-git-5d7b2d6c54(_Z17write_stack_traceP8_IO_FILE+0x3e) [0x5a0b48ca815e]: write_stack_trace(_IO_FILE*)
/usr/games/crawl-git-5d7b2d6c54(_Z20crash_signal_handleri+0x18f) [0x5a0b48ca85cf]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x45330) [0x7bd55a04d330]: 
/usr/games/crawl-git-5d7b2d6c54(+0xcdf1ab) [0x5a0b494931ab]: 
/usr/games/crawl-git-5d7b2d6c54(lua_next+0x32) [0x5a0b49485762]: 
/usr/games/crawl-git-5d7b2d6c54(+0xce9d71) [0x5a0b4949dd71]: 
/usr/games/crawl-git-5d7b2d6c54(+0xcd4743) [0x5a0b49488743]: 
/usr/games/crawl-git-5d7b2d6c54(+0xcd4992) [0x5a0b49488992]: 
/usr/games/crawl-git-5d7b2d6c54(+0xce3244) [0x5a0b49497244]: 
/usr/games/crawl-git-5d7b2d6c54(+0xcd4a5d) [0x5a0b49488a5d]: 
/usr/games/crawl-git-5d7b2d6c54(+0xcd38a3) [0x5a0b494878a3]: 
/usr/games/crawl-git-5d7b2d6c54(+0xcd4e84) [0x5a0b49488e84]: 
/usr/games/crawl-git-5d7b2d6c54(lua_pcallk+0x95) [0x5a0b49485135]: 
/usr/games/crawl-git-5d7b2d6c54(_ZN4CLua5pcallEii+0x60) [0x5a0b48c8d150]: CLua::pcall(int, int)
/usr/games/crawl-git-5d7b2d6c54(_ZN4CLua6callfnEPKcii+0xb4) [0x5a0b48c8ea74]: CLua::callfn(char const*, int, int)
/usr/games/crawl-git-5d7b2d6c54(_Z13do_crash_dumpv+0x1b84) [0x5a0b48cb7ae4]: do_crash_dump()
/usr/games/crawl-git-5d7b2d6c54(_Z20crash_signal_handleri+0x1fa) [0x5a0b48ca863a]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x45330) [0x7bd55a04d330]: 
/lib/x86_64-linux-gnu/libc.so.6(pthread_kill+0x11c) [0x7bd55a0a6b2c]: 
/lib/x86_64-linux-gnu/libc.so.6(gsignal+0x1e) [0x7bd55a04d27e]: 
/lib/x86_64-linux-gnu/libc.so.6(abort+0xdf) [0x7bd55a0308ff]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x297b6) [0x7bd55a0317b6]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xa8ff5) [0x7bd55a0b0ff5]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xab12c) [0x7bd55a0b312c]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_free+0x7e) [0x7bd55a0b5dae]: 
/usr/games/crawl-git-5d7b2d6c54(+0xce73d1) [0x5a0b4949b3d1]: 
/usr/games/crawl-git-5d7b2d6c54(+0xcd8a29) [0x5a0b4948ca29]: 
/usr/games/crawl-git-5d7b2d6c54(+0xcd5d99) [0x5a0b49489d99]: 
/usr/games/crawl-git-5d7b2d6c54(+0xcd8186) [0x5a0b4948c186]: 
/usr/games/crawl-git-5d7b2d6c54(+0xcdde96) [0x5a0b49491e96]: 
/usr/games/crawl-git-5d7b2d6c54(_ZN4CLua5closeEv+0xbe) [0x5a0b48c8f35e]: CLua::close()
/usr/games/crawl-git-5d7b2d6c54(+0x2f4afc) [0x5a0b48aa8afc]: 
/usr/games/crawl-git-5d7b2d6c54(+0x2f7ac8) [0x5a0b48aabac8]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x2a1ca) [0x7bd55a0321ca]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0x8b) [0x7bd55a03228b]: 
/usr/games/crawl-git-5d7b2d6c54(_start+0x25) [0x5a0b48bda7a5]: