Obtained 26 stack frames.
/usr/games/crawl-git-5877fddc77(_Z17write_stack_traceP8_IO_FILE+0x3e) [0x592d6db559ce]: write_stack_trace(_IO_FILE*)
/usr/games/crawl-git-5877fddc77(_Z20crash_signal_handleri+0x18f) [0x592d6db55e3f]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x45330) [0x7e7c3b02a330]: 
/usr/games/crawl-git-5877fddc77(+0xcdfcb8) [0x592d6e340cb8]: 
/usr/games/crawl-git-5877fddc77(lua_getglobal+0x84) [0x592d6e331bd4]: 
/usr/games/crawl-git-5877fddc77(_ZN4CLua10pushglobalERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE+0x16d) [0x592d6db39d3d]: CLua::pushglobal(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)
/usr/games/crawl-git-5877fddc77(_ZN4CLua6callfnEPKcii+0x80) [0x592d6db3c2b0]: CLua::callfn(char const*, int, int)
/usr/games/crawl-git-5877fddc77(_Z13do_crash_dumpv+0x1b84) [0x592d6db65354]: do_crash_dump()
/usr/games/crawl-git-5877fddc77(_Z20crash_signal_handleri+0x1fa) [0x592d6db55eaa]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x45330) [0x7e7c3b02a330]: 
/lib/x86_64-linux-gnu/libc.so.6(pthread_kill+0x11c) [0x7e7c3b083b2c]: 
/lib/x86_64-linux-gnu/libc.so.6(gsignal+0x1e) [0x7e7c3b02a27e]: 
/lib/x86_64-linux-gnu/libc.so.6(abort+0xdf) [0x7e7c3b00d8ff]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x297b6) [0x7e7c3b00e7b6]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xa8ff5) [0x7e7c3b08dff5]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xab12c) [0x7e7c3b09012c]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_free+0x7e) [0x7e7c3b092dae]: 
/usr/games/crawl-git-5877fddc77(+0xce7ba1) [0x592d6e348ba1]: 
/usr/games/crawl-git-5877fddc77(+0xcd91f9) [0x592d6e33a1f9]: 
/usr/games/crawl-git-5877fddc77(+0xcde68d) [0x592d6e33f68d]: 
/usr/games/crawl-git-5877fddc77(_ZN4CLua5closeEv+0xbe) [0x592d6db3cbce]: CLua::close()
/usr/games/crawl-git-5877fddc77(+0x2f50e8) [0x592d6d9560e8]: 
/usr/games/crawl-git-5877fddc77(+0x2f80b4) [0x592d6d9590b4]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x2a1ca) [0x7e7c3b00f1ca]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0x8b) [0x7e7c3b00f28b]: 
/usr/games/crawl-git-5877fddc77(_start+0x25) [0x592d6da88055]: