Obtained 37 stack frames.
/usr/games/crawl-0.34(_Z17write_stack_traceP8_IO_FILE+0x3e) [0x5a51a62f7a1e]: write_stack_trace(_IO_FILE*)
/usr/games/crawl-0.34(_Z20crash_signal_handleri+0x18f) [0x5a51a62f7e8f]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x42910) [0x7e9df0242910]: 
/usr/games/crawl-0.34(+0xce15fb) [0x5a51a6ae45fb]: 
/usr/games/crawl-0.34(lua_next+0x32) [0x5a51a6ad6c02]: 
/usr/games/crawl-0.34(+0xcec321) [0x5a51a6aef321]: 
/usr/games/crawl-0.34(+0xcd6be3) [0x5a51a6ad9be3]: 
/usr/games/crawl-0.34(+0xcd6e32) [0x5a51a6ad9e32]: 
/usr/games/crawl-0.34(+0xce5734) [0x5a51a6ae8734]: 
/usr/games/crawl-0.34(+0xcd6efd) [0x5a51a6ad9efd]: 
/usr/games/crawl-0.34(+0xcd5d43) [0x5a51a6ad8d43]: 
/usr/games/crawl-0.34(+0xcd7324) [0x5a51a6ada324]: 
/usr/games/crawl-0.34(lua_pcallk+0x95) [0x5a51a6ad65d5]: 
/usr/games/crawl-0.34(_ZN4CLua5pcallEii+0x60) [0x5a51a62dc940]: CLua::pcall(int, int)
/usr/games/crawl-0.34(_ZN4CLua6callfnEPKcii+0xb4) [0x5a51a62de264]: CLua::callfn(char const*, int, int)
/usr/games/crawl-0.34(_Z13do_crash_dumpv+0x1b94) [0x5a51a63073b4]: do_crash_dump()
/usr/games/crawl-0.34(_Z20crash_signal_handleri+0x1fa) [0x5a51a62f7efa]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x42910) [0x7e9df0242910]: 
/lib/x86_64-linux-gnu/libc.so.6(pthread_kill+0x11b) [0x7e9df029999b]: 
/lib/x86_64-linux-gnu/libc.so.6(raise+0x16) [0x7e9df0242866]: 
/lib/x86_64-linux-gnu/libc.so.6(abort+0xd7) [0x7e9df02268b7]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x27750) [0x7e9df0227750]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xa3c67) [0x7e9df02a3c67]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xa47ae) [0x7e9df02a47ae]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xa5c13) [0x7e9df02a5c13]: 
/lib/x86_64-linux-gnu/libc.so.6(free+0x73) [0x7e9df02a87f3]: 
/usr/games/crawl-0.34(+0xce98c1) [0x5a51a6aec8c1]: 
/usr/games/crawl-0.34(+0xcdaec9) [0x5a51a6addec9]: 
/usr/games/crawl-0.34(+0xce1765) [0x5a51a6ae4765]: 
/usr/games/crawl-0.34(+0xcda626) [0x5a51a6add626]: 
/usr/games/crawl-0.34(+0xce0316) [0x5a51a6ae3316]: 
/usr/games/crawl-0.34(_ZN4CLua5closeEv+0xbe) [0x5a51a62deb4e]: CLua::close()
/usr/games/crawl-0.34(+0x2f4ffa) [0x5a51a60f7ffa]: 
/usr/games/crawl-0.34(+0x2f7fc3) [0x5a51a60fafc3]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x280d0) [0x7e9df02280d0]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0x89) [0x7e9df0228189]: 
/usr/games/crawl-0.34(_start+0x25) [0x5a51a6229f65]: