Obtained 43 stack frames.
/usr/games/crawl-git-ff61f77f9c(_Z17write_stack_traceP8_IO_FILE+0x3e) [0x63b78eb5c9ce]: write_stack_trace(_IO_FILE*)
/usr/games/crawl-git-ff61f77f9c(_Z20crash_signal_handleri+0x18f) [0x63b78eb5ce3f]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x45330) [0x75b99221b330]: 
/lib/x86_64-linux-gnu/libc.so.6(pthread_kill+0x11c) [0x75b992274b2c]: 
/lib/x86_64-linux-gnu/libc.so.6(gsignal+0x1e) [0x75b99221b27e]: 
/lib/x86_64-linux-gnu/libc.so.6(abort+0xdf) [0x75b9921fe8ff]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x297b6) [0x75b9921ff7b6]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xa8ff5) [0x75b99227eff5]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xad13c) [0x75b99228313c]: 
/lib/x86_64-linux-gnu/libc.so.6(realloc+0x255) [0x75b9922842f5]: 
/usr/games/crawl-git-ff61f77f9c(+0xcd9194) [0x63b78f341194]: 
/usr/games/crawl-git-ff61f77f9c(+0xcd40f5) [0x63b78f33c0f5]: 
/usr/games/crawl-git-ff61f77f9c(+0xcd4f62) [0x63b78f33cf62]: 
/usr/games/crawl-git-ff61f77f9c(+0xcd5174) [0x63b78f33d174]: 
/usr/games/crawl-git-ff61f77f9c(+0xcd3fd3) [0x63b78f33bfd3]: 
/usr/games/crawl-git-ff61f77f9c(+0xcd55b4) [0x63b78f33d5b4]: 
/usr/games/crawl-git-ff61f77f9c(lua_pcallk+0x95) [0x63b78f339865]: 
/usr/games/crawl-git-ff61f77f9c(_ZN4CLua5pcallEii+0x60) [0x63b78eb419c0]: CLua::pcall(int, int)
/usr/games/crawl-git-ff61f77f9c(_ZN4CLua6callfnEPKcii+0xb4) [0x63b78eb432e4]: CLua::callfn(char const*, int, int)
/usr/games/crawl-git-ff61f77f9c(_Z13do_crash_dumpv+0x1b84) [0x63b78eb6c354]: do_crash_dump()
/usr/games/crawl-git-ff61f77f9c(_Z20crash_signal_handleri+0x1fa) [0x63b78eb5ceaa]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x45330) [0x75b99221b330]: 
/lib/x86_64-linux-gnu/libc.so.6(pthread_kill+0x11c) [0x75b992274b2c]: 
/lib/x86_64-linux-gnu/libc.so.6(gsignal+0x1e) [0x75b99221b27e]: 
/lib/x86_64-linux-gnu/libc.so.6(abort+0xdf) [0x75b9921fe8ff]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x297b6) [0x75b9921ff7b6]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xa8ff5) [0x75b99227eff5]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xab38c) [0x75b99228138c]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_free+0x7e) [0x75b992283dae]: 
/usr/games/crawl-git-ff61f77f9c(+0x76ae4d) [0x63b78edd2e4d]: 
/usr/games/crawl-git-ff61f77f9c(+0xcd4e73) [0x63b78f33ce73]: 
/usr/games/crawl-git-ff61f77f9c(+0xcd5174) [0x63b78f33d174]: 
/usr/games/crawl-git-ff61f77f9c(+0xcd3fd3) [0x63b78f33bfd3]: 
/usr/games/crawl-git-ff61f77f9c(+0xcd55b4) [0x63b78f33d5b4]: 
/usr/games/crawl-git-ff61f77f9c(+0xcd69f6) [0x63b78f33e9f6]: 
/usr/games/crawl-git-ff61f77f9c(+0xcd8888) [0x63b78f340888]: 
/usr/games/crawl-git-ff61f77f9c(+0xcde5c6) [0x63b78f3465c6]: 
/usr/games/crawl-git-ff61f77f9c(_ZN4CLua5closeEv+0xbe) [0x63b78eb43bce]: CLua::close()
/usr/games/crawl-git-ff61f77f9c(+0x2f50e0) [0x63b78e95d0e0]: 
/usr/games/crawl-git-ff61f77f9c(+0x2f80b8) [0x63b78e9600b8]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x2a1ca) [0x75b9922001ca]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0x8b) [0x75b99220028b]: 
/usr/games/crawl-git-ff61f77f9c(_start+0x25) [0x63b78ea8f055]: