Obtained 36 stack frames.
/usr/games/crawl-git-c6910b0dee(_Z17write_stack_traceP8_IO_FILE+0x3e) [0x60e4dd00c88e]: write_stack_trace(_IO_FILE*)
/usr/games/crawl-git-c6910b0dee(_Z20crash_signal_handleri+0x18f) [0x60e4dd00ccff]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x45330) [0x78c9d0b12330]: 
/usr/games/crawl-git-c6910b0dee(+0xcd5dfb) [0x60e4dd7efdfb]: 
/usr/games/crawl-git-c6910b0dee(lua_next+0x32) [0x60e4dd7e23b2]: 
/usr/games/crawl-git-c6910b0dee(+0xce09c1) [0x60e4dd7fa9c1]: 
/usr/games/crawl-git-c6910b0dee(+0xccb393) [0x60e4dd7e5393]: 
/usr/games/crawl-git-c6910b0dee(+0xccb5e2) [0x60e4dd7e55e2]: 
/usr/games/crawl-git-c6910b0dee(+0xcd9e94) [0x60e4dd7f3e94]: 
/usr/games/crawl-git-c6910b0dee(+0xccb6ad) [0x60e4dd7e56ad]: 
/usr/games/crawl-git-c6910b0dee(+0xcca4f3) [0x60e4dd7e44f3]: 
/usr/games/crawl-git-c6910b0dee(+0xccbad4) [0x60e4dd7e5ad4]: 
/usr/games/crawl-git-c6910b0dee(lua_pcallk+0x95) [0x60e4dd7e1d85]: 
/usr/games/crawl-git-c6910b0dee(_ZN4CLua5pcallEii+0x60) [0x60e4dcff1880]: CLua::pcall(int, int)
/usr/games/crawl-git-c6910b0dee(_ZN4CLua6callfnEPKcii+0xb4) [0x60e4dcff31a4]: CLua::callfn(char const*, int, int)
/usr/games/crawl-git-c6910b0dee(_Z13do_crash_dumpv+0x1b84) [0x60e4dd01c214]: do_crash_dump()
/usr/games/crawl-git-c6910b0dee(_Z20crash_signal_handleri+0x1fa) [0x60e4dd00cd6a]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x45330) [0x78c9d0b12330]: 
/lib/x86_64-linux-gnu/libc.so.6(pthread_kill+0x11c) [0x78c9d0b6bb2c]: 
/lib/x86_64-linux-gnu/libc.so.6(gsignal+0x1e) [0x78c9d0b1227e]: 
/lib/x86_64-linux-gnu/libc.so.6(abort+0xdf) [0x78c9d0af58ff]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x297b6) [0x78c9d0af67b6]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xa8ff5) [0x78c9d0b75ff5]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xab12c) [0x78c9d0b7812c]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_free+0x7e) [0x78c9d0b7adae]: 
/usr/games/crawl-git-c6910b0dee(+0xcde021) [0x60e4dd7f8021]: 
/usr/games/crawl-git-c6910b0dee(+0xccf679) [0x60e4dd7e9679]: 
/usr/games/crawl-git-c6910b0dee(+0xccc9e9) [0x60e4dd7e69e9]: 
/usr/games/crawl-git-c6910b0dee(+0xccedd6) [0x60e4dd7e8dd6]: 
/usr/games/crawl-git-c6910b0dee(+0xcd4ae6) [0x60e4dd7eeae6]: 
/usr/games/crawl-git-c6910b0dee(_ZN4CLua5closeEv+0xbe) [0x60e4dcff3a8e]: CLua::close()
/usr/games/crawl-git-c6910b0dee(+0x2f33a0) [0x60e4dce0d3a0]: 
/usr/games/crawl-git-c6910b0dee(+0x2f636c) [0x60e4dce1036c]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x2a1ca) [0x78c9d0af71ca]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0x8b) [0x78c9d0af728b]: 
/usr/games/crawl-git-c6910b0dee(_start+0x25) [0x60e4dcf3e605]: