Obtained 36 stack frames.
/usr/games/crawl-git-6d9ebc1a8c(_Z17write_stack_traceP8_IO_FILE+0x3e) [0x5b07b083377e]: write_stack_trace(_IO_FILE*)
/usr/games/crawl-git-6d9ebc1a8c(_Z20crash_signal_handleri+0x18f) [0x5b07b0833bef]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x45330) [0x7b52538ae330]: 
/usr/games/crawl-git-6d9ebc1a8c(+0xcd57cb) [0x5b07b10167cb]: 
/usr/games/crawl-git-6d9ebc1a8c(lua_next+0x32) [0x5b07b1008d82]: 
/usr/games/crawl-git-6d9ebc1a8c(+0xce0391) [0x5b07b1021391]: 
/usr/games/crawl-git-6d9ebc1a8c(+0xccad63) [0x5b07b100bd63]: 
/usr/games/crawl-git-6d9ebc1a8c(+0xccafb2) [0x5b07b100bfb2]: 
/usr/games/crawl-git-6d9ebc1a8c(+0xcd9864) [0x5b07b101a864]: 
/usr/games/crawl-git-6d9ebc1a8c(+0xccb07d) [0x5b07b100c07d]: 
/usr/games/crawl-git-6d9ebc1a8c(+0xcc9ec3) [0x5b07b100aec3]: 
/usr/games/crawl-git-6d9ebc1a8c(+0xccb4a4) [0x5b07b100c4a4]: 
/usr/games/crawl-git-6d9ebc1a8c(lua_pcallk+0x95) [0x5b07b1008755]: 
/usr/games/crawl-git-6d9ebc1a8c(_ZN4CLua5pcallEii+0x60) [0x5b07b0818770]: CLua::pcall(int, int)
/usr/games/crawl-git-6d9ebc1a8c(_ZN4CLua6callfnEPKcii+0xb4) [0x5b07b081a094]: CLua::callfn(char const*, int, int)
/usr/games/crawl-git-6d9ebc1a8c(_Z13do_crash_dumpv+0x1b84) [0x5b07b0843104]: do_crash_dump()
/usr/games/crawl-git-6d9ebc1a8c(_Z20crash_signal_handleri+0x1fa) [0x5b07b0833c5a]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x45330) [0x7b52538ae330]: 
/lib/x86_64-linux-gnu/libc.so.6(pthread_kill+0x11c) [0x7b5253907b2c]: 
/lib/x86_64-linux-gnu/libc.so.6(gsignal+0x1e) [0x7b52538ae27e]: 
/lib/x86_64-linux-gnu/libc.so.6(abort+0xdf) [0x7b52538918ff]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x297b6) [0x7b52538927b6]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xa8ff5) [0x7b5253911ff5]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xab38c) [0x7b525391438c]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_free+0x7e) [0x7b5253916dae]: 
/usr/games/crawl-git-6d9ebc1a8c(+0xcdd9f1) [0x5b07b101e9f1]: 
/usr/games/crawl-git-6d9ebc1a8c(+0xccf049) [0x5b07b1010049]: 
/usr/games/crawl-git-6d9ebc1a8c(+0xccc3b9) [0x5b07b100d3b9]: 
/usr/games/crawl-git-6d9ebc1a8c(+0xcce7a6) [0x5b07b100f7a6]: 
/usr/games/crawl-git-6d9ebc1a8c(+0xcd44b6) [0x5b07b10154b6]: 
/usr/games/crawl-git-6d9ebc1a8c(_ZN4CLua5closeEv+0xbe) [0x5b07b081a97e]: CLua::close()
/usr/games/crawl-git-6d9ebc1a8c(+0x2f3288) [0x5b07b0634288]: 
/usr/games/crawl-git-6d9ebc1a8c(+0x2f6254) [0x5b07b0637254]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x2a1ca) [0x7b52538931ca]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0x8b) [0x7b525389328b]: 
/usr/games/crawl-git-6d9ebc1a8c(_start+0x25) [0x5b07b07654f5]: