Obtained 38 stack frames.
/usr/games/crawl-0.34(_Z17write_stack_traceP8_IO_FILE+0x3e) [0x5f5a28e50a9e]: write_stack_trace(_IO_FILE*)
/usr/games/crawl-0.34(_Z20crash_signal_handleri+0x18f) [0x5f5a28e50f0f]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x42910) [0x7371c2842910]: 
/usr/games/crawl-0.34(+0xce1cdb) [0x5f5a2963dcdb]: 
/usr/games/crawl-0.34(lua_next+0x32) [0x5f5a296302e2]: 
/usr/games/crawl-0.34(+0xceca01) [0x5f5a29648a01]: 
/usr/games/crawl-0.34(+0xcd72c3) [0x5f5a296332c3]: 
/usr/games/crawl-0.34(+0xcd7512) [0x5f5a29633512]: 
/usr/games/crawl-0.34(+0xce5e14) [0x5f5a29641e14]: 
/usr/games/crawl-0.34(+0xcd75dd) [0x5f5a296335dd]: 
/usr/games/crawl-0.34(+0xcd6423) [0x5f5a29632423]: 
/usr/games/crawl-0.34(+0xcd7a04) [0x5f5a29633a04]: 
/usr/games/crawl-0.34(lua_pcallk+0x95) [0x5f5a2962fcb5]: 
/usr/games/crawl-0.34(_ZN4CLua5pcallEii+0x60) [0x5f5a28e359c0]: CLua::pcall(int, int)
/usr/games/crawl-0.34(_ZN4CLua6callfnEPKcii+0xb4) [0x5f5a28e372e4]: CLua::callfn(char const*, int, int)
/usr/games/crawl-0.34(_Z13do_crash_dumpv+0x1b94) [0x5f5a28e60454]: do_crash_dump()
/usr/games/crawl-0.34(_Z20crash_signal_handleri+0x1fa) [0x5f5a28e50f7a]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x42910) [0x7371c2842910]: 
/lib/x86_64-linux-gnu/libc.so.6(pthread_kill+0x11b) [0x7371c289999b]: 
/lib/x86_64-linux-gnu/libc.so.6(raise+0x16) [0x7371c2842866]: 
/lib/x86_64-linux-gnu/libc.so.6(abort+0xd7) [0x7371c28268b7]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x27750) [0x7371c2827750]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xa3c67) [0x7371c28a3c67]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xa4794) [0x7371c28a4794]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xa48eb) [0x7371c28a48eb]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xa5905) [0x7371c28a5905]: 
/lib/x86_64-linux-gnu/libc.so.6(free+0x73) [0x7371c28a87f3]: 
/usr/games/crawl-0.34(+0xce9fa1) [0x5f5a29645fa1]: 
/usr/games/crawl-0.34(+0xcdb5a9) [0x5f5a296375a9]: 
/usr/games/crawl-0.34(+0xcd88f1) [0x5f5a296348f1]: 
/usr/games/crawl-0.34(+0xcdad06) [0x5f5a29636d06]: 
/usr/games/crawl-0.34(+0xce09f6) [0x5f5a2963c9f6]: 
/usr/games/crawl-0.34(_ZN4CLua5closeEv+0xbe) [0x5f5a28e37bce]: CLua::close()
/usr/games/crawl-0.34(+0x2f5028) [0x5f5a28c51028]: 
/usr/games/crawl-0.34(+0x2f7ff1) [0x5f5a28c53ff1]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x280d0) [0x7371c28280d0]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0x89) [0x7371c2828189]: 
/usr/games/crawl-0.34(_start+0x25) [0x5f5a28d82f95]: