Obtained 26 stack frames.
/usr/games/crawl-git-c46cf17215(_Z17write_stack_traceP8_IO_FILE+0x3e) [0x62ced1d7c37e]: write_stack_trace(_IO_FILE*)
/usr/games/crawl-git-c46cf17215(_Z20crash_signal_handleri+0x18f) [0x62ced1d7c7ef]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x45330) [0x713904981330]: 
/usr/games/crawl-git-c46cf17215(+0xcd7b68) [0x62ced2562b68]: 
/usr/games/crawl-git-c46cf17215(lua_getglobal+0x84) [0x62ced2553a84]: 
/usr/games/crawl-git-c46cf17215(_ZN4CLua10pushglobalERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE+0x16d) [0x62ced1d606ed]: CLua::pushglobal(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)
/usr/games/crawl-git-c46cf17215(_ZN4CLua6callfnEPKcii+0x80) [0x62ced1d62c60]: CLua::callfn(char const*, int, int)
/usr/games/crawl-git-c46cf17215(_Z13do_crash_dumpv+0x1b84) [0x62ced1d8bd04]: do_crash_dump()
/usr/games/crawl-git-c46cf17215(_Z20crash_signal_handleri+0x1fa) [0x62ced1d7c85a]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x45330) [0x713904981330]: 
/lib/x86_64-linux-gnu/libc.so.6(pthread_kill+0x11c) [0x7139049dab2c]: 
/lib/x86_64-linux-gnu/libc.so.6(gsignal+0x1e) [0x71390498127e]: 
/lib/x86_64-linux-gnu/libc.so.6(abort+0xdf) [0x7139049648ff]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x297b6) [0x7139049657b6]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xa8ff5) [0x7139049e4ff5]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xab12c) [0x7139049e712c]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_free+0x7e) [0x7139049e9dae]: 
/usr/games/crawl-git-c46cf17215(+0xcdfa51) [0x62ced256aa51]: 
/usr/games/crawl-git-c46cf17215(+0xcd10a9) [0x62ced255c0a9]: 
/usr/games/crawl-git-c46cf17215(+0xcd653d) [0x62ced256153d]: 
/usr/games/crawl-git-c46cf17215(_ZN4CLua5closeEv+0xbe) [0x62ced1d6357e]: CLua::close()
/usr/games/crawl-git-c46cf17215(+0x2f2c5a) [0x62ced1b7dc5a]: 
/usr/games/crawl-git-c46cf17215(+0x2f5c26) [0x62ced1b80c26]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x2a1ca) [0x7139049661ca]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0x8b) [0x71390496628b]: 
/usr/games/crawl-git-c46cf17215(_start+0x25) [0x62ced1caef25]: