Obtained 26 stack frames.
/usr/games/crawl-git-332d4de64d(_Z17write_stack_traceP8_IO_FILE+0x3e) [0x573f5315c2ee]: write_stack_trace(_IO_FILE*)
/usr/games/crawl-git-332d4de64d(_Z20crash_signal_handleri+0x18f) [0x573f5315c75f]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x45330) [0x7fc2a9f71330]: 
/usr/games/crawl-git-332d4de64d(+0xcd79e8) [0x573f539429e8]: 
/usr/games/crawl-git-332d4de64d(lua_getglobal+0x84) [0x573f53933904]: 
/usr/games/crawl-git-332d4de64d(_ZN4CLua10pushglobalERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE+0x16d) [0x573f5314065d]: CLua::pushglobal(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)
/usr/games/crawl-git-332d4de64d(_ZN4CLua6callfnEPKcii+0x80) [0x573f53142bd0]: CLua::callfn(char const*, int, int)
/usr/games/crawl-git-332d4de64d(_Z13do_crash_dumpv+0x1b84) [0x573f5316bc74]: do_crash_dump()
/usr/games/crawl-git-332d4de64d(_Z20crash_signal_handleri+0x1fa) [0x573f5315c7ca]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x45330) [0x7fc2a9f71330]: 
/lib/x86_64-linux-gnu/libc.so.6(pthread_kill+0x11c) [0x7fc2a9fcab2c]: 
/lib/x86_64-linux-gnu/libc.so.6(gsignal+0x1e) [0x7fc2a9f7127e]: 
/lib/x86_64-linux-gnu/libc.so.6(abort+0xdf) [0x7fc2a9f548ff]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x297b6) [0x7fc2a9f557b6]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xa8ff5) [0x7fc2a9fd4ff5]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xab12c) [0x7fc2a9fd712c]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_free+0x7e) [0x7fc2a9fd9dae]: 
/usr/games/crawl-git-332d4de64d(+0xcdf8d1) [0x573f5394a8d1]: 
/usr/games/crawl-git-332d4de64d(+0xcd0f29) [0x573f5393bf29]: 
/usr/games/crawl-git-332d4de64d(+0xcd63bd) [0x573f539413bd]: 
/usr/games/crawl-git-332d4de64d(_ZN4CLua5closeEv+0xbe) [0x573f531434ee]: CLua::close()
/usr/games/crawl-git-332d4de64d(+0x2f2b44) [0x573f52f5db44]: 
/usr/games/crawl-git-332d4de64d(+0x2f5b10) [0x573f52f60b10]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x2a1ca) [0x7fc2a9f561ca]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0x8b) [0x7fc2a9f5628b]: 
/usr/games/crawl-git-332d4de64d(_start+0x25) [0x573f5308eeb5]: