Obtained 36 stack frames.
/usr/games/crawl-git-2e14fdc65b(_Z17write_stack_traceP8_IO_FILE+0x3e) [0x5f2cecd5c39e]: write_stack_trace(_IO_FILE*)
/usr/games/crawl-git-2e14fdc65b(_Z20crash_signal_handleri+0x18f) [0x5f2cecd5c80f]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x45330) [0x713540621330]: 
/usr/games/crawl-git-2e14fdc65b(+0xcd767f) [0x5f2ced54267f]: 
/usr/games/crawl-git-2e14fdc65b(lua_rawget+0x1d) [0x5f2ced533cad]: 
/usr/games/crawl-git-2e14fdc65b(+0xcdfbcb) [0x5f2ced54abcb]: 
/usr/games/crawl-git-2e14fdc65b(+0xce2907) [0x5f2ced54d907]: 
/usr/games/crawl-git-2e14fdc65b(+0xcccd63) [0x5f2ced537d63]: 
/usr/games/crawl-git-2e14fdc65b(+0xcdbf85) [0x5f2ced546f85]: 
/usr/games/crawl-git-2e14fdc65b(+0xccd07d) [0x5f2ced53807d]: 
/usr/games/crawl-git-2e14fdc65b(+0xccbec3) [0x5f2ced536ec3]: 
/usr/games/crawl-git-2e14fdc65b(+0xccd4a4) [0x5f2ced5384a4]: 
/usr/games/crawl-git-2e14fdc65b(lua_pcallk+0x95) [0x5f2ced534755]: 
/usr/games/crawl-git-2e14fdc65b(_ZN4CLua5pcallEii+0x60) [0x5f2cecd41390]: CLua::pcall(int, int)
/usr/games/crawl-git-2e14fdc65b(_ZN4CLua6callfnEPKcii+0xb4) [0x5f2cecd42cb4]: CLua::callfn(char const*, int, int)
/usr/games/crawl-git-2e14fdc65b(_Z13do_crash_dumpv+0x1b84) [0x5f2cecd6bd24]: do_crash_dump()
/usr/games/crawl-git-2e14fdc65b(_Z20crash_signal_handleri+0x1fa) [0x5f2cecd5c87a]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x45330) [0x713540621330]: 
/lib/x86_64-linux-gnu/libc.so.6(pthread_kill+0x11c) [0x71354067ab2c]: 
/lib/x86_64-linux-gnu/libc.so.6(gsignal+0x1e) [0x71354062127e]: 
/lib/x86_64-linux-gnu/libc.so.6(abort+0xdf) [0x7135406048ff]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x297b6) [0x7135406057b6]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xa8ff5) [0x713540684ff5]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xab12c) [0x71354068712c]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_free+0x7e) [0x713540689dae]: 
/usr/games/crawl-git-2e14fdc65b(+0xcdf9f1) [0x5f2ced54a9f1]: 
/usr/games/crawl-git-2e14fdc65b(+0xcd1049) [0x5f2ced53c049]: 
/usr/games/crawl-git-2e14fdc65b(+0xcce391) [0x5f2ced539391]: 
/usr/games/crawl-git-2e14fdc65b(+0xcd07a6) [0x5f2ced53b7a6]: 
/usr/games/crawl-git-2e14fdc65b(+0xcd64b6) [0x5f2ced5414b6]: 
/usr/games/crawl-git-2e14fdc65b(_ZN4CLua5closeEv+0xbe) [0x5f2cecd4359e]: CLua::close()
/usr/games/crawl-git-2e14fdc65b(+0x2f2c80) [0x5f2cecb5dc80]: 
/usr/games/crawl-git-2e14fdc65b(+0x2f5c4c) [0x5f2cecb60c4c]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x2a1ca) [0x7135406061ca]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0x8b) [0x71354060628b]: 
/usr/games/crawl-git-2e14fdc65b(_start+0x25) [0x5f2cecc8ef45]: