Obtained 36 stack frames.
/usr/games/crawl-0.34(_Z17write_stack_traceP8_IO_FILE+0x3e) [0x5b3f5f03fb1e]: write_stack_trace(_IO_FILE*)
/usr/games/crawl-0.34(_Z20crash_signal_handleri+0x18f) [0x5b3f5f03ff8f]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x42910) [0x7ba552e42910]: 
/usr/games/crawl-0.34(+0xce264b) [0x5b3f5f82d64b]: 
/usr/games/crawl-0.34(lua_next+0x32) [0x5b3f5f81fc52]: 
/usr/games/crawl-0.34(+0xced371) [0x5b3f5f838371]: 
/usr/games/crawl-0.34(+0xcd7c33) [0x5b3f5f822c33]: 
/usr/games/crawl-0.34(+0xcd7e82) [0x5b3f5f822e82]: 
/usr/games/crawl-0.34(+0xce6784) [0x5b3f5f831784]: 
/usr/games/crawl-0.34(+0xcd7f4d) [0x5b3f5f822f4d]: 
/usr/games/crawl-0.34(+0xcd6d93) [0x5b3f5f821d93]: 
/usr/games/crawl-0.34(+0xcd8374) [0x5b3f5f823374]: 
/usr/games/crawl-0.34(lua_pcallk+0x95) [0x5b3f5f81f625]: 
/usr/games/crawl-0.34(_ZN4CLua5pcallEii+0x60) [0x5b3f5f024a40]: CLua::pcall(int, int)
/usr/games/crawl-0.34(_ZN4CLua6callfnEPKcii+0xb4) [0x5b3f5f026364]: CLua::callfn(char const*, int, int)
/usr/games/crawl-0.34(_Z13do_crash_dumpv+0x1b94) [0x5b3f5f04f4d4]: do_crash_dump()
/usr/games/crawl-0.34(_Z20crash_signal_handleri+0x1fa) [0x5b3f5f03fffa]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x42910) [0x7ba552e42910]: 
/lib/x86_64-linux-gnu/libc.so.6(pthread_kill+0x11b) [0x7ba552e9999b]: 
/lib/x86_64-linux-gnu/libc.so.6(raise+0x16) [0x7ba552e42866]: 
/lib/x86_64-linux-gnu/libc.so.6(abort+0xd7) [0x7ba552e268b7]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x27750) [0x7ba552e27750]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xa3c67) [0x7ba552ea3c67]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xa5c5c) [0x7ba552ea5c5c]: 
/lib/x86_64-linux-gnu/libc.so.6(free+0x73) [0x7ba552ea87f3]: 
/usr/games/crawl-0.34(+0xcea911) [0x5b3f5f835911]: 
/usr/games/crawl-0.34(+0xcdbf19) [0x5b3f5f826f19]: 
/usr/games/crawl-0.34(+0xcd9261) [0x5b3f5f824261]: 
/usr/games/crawl-0.34(+0xcdb676) [0x5b3f5f826676]: 
/usr/games/crawl-0.34(+0xce1366) [0x5b3f5f82c366]: 
/usr/games/crawl-0.34(_ZN4CLua5closeEv+0xbe) [0x5b3f5f026c4e]: CLua::close()
/usr/games/crawl-0.34(+0x2f50ac) [0x5b3f5ee400ac]: 
/usr/games/crawl-0.34(+0x2f8075) [0x5b3f5ee43075]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x280d0) [0x7ba552e280d0]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0x89) [0x7ba552e28189]: 
/usr/games/crawl-0.34(_start+0x25) [0x5b3f5ef72015]: