Obtained 36 stack frames.
/usr/games/crawl-0.34(_Z17write_stack_traceP8_IO_FILE+0x3e) [0x61e98d45e97e]: write_stack_trace(_IO_FILE*)
/usr/games/crawl-0.34(_Z20crash_signal_handleri+0x18f) [0x61e98d45edef]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x42910) [0x738cce442910]: 
/usr/games/crawl-0.34(+0xce002b) [0x61e98dc4a02b]: 
/usr/games/crawl-0.34(lua_next+0x32) [0x61e98dc3c632]: 
/usr/games/crawl-0.34(+0xcead51) [0x61e98dc54d51]: 
/usr/games/crawl-0.34(+0xcd5613) [0x61e98dc3f613]: 
/usr/games/crawl-0.34(+0xcd5862) [0x61e98dc3f862]: 
/usr/games/crawl-0.34(+0xce4164) [0x61e98dc4e164]: 
/usr/games/crawl-0.34(+0xcd592d) [0x61e98dc3f92d]: 
/usr/games/crawl-0.34(+0xcd4773) [0x61e98dc3e773]: 
/usr/games/crawl-0.34(+0xcd5d54) [0x61e98dc3fd54]: 
/usr/games/crawl-0.34(lua_pcallk+0x95) [0x61e98dc3c005]: 
/usr/games/crawl-0.34(_ZN4CLua5pcallEii+0x60) [0x61e98d4438a0]: CLua::pcall(int, int)
/usr/games/crawl-0.34(_ZN4CLua6callfnEPKcii+0xb4) [0x61e98d4451c4]: CLua::callfn(char const*, int, int)
/usr/games/crawl-0.34(_Z13do_crash_dumpv+0x1b94) [0x61e98d46e314]: do_crash_dump()
/usr/games/crawl-0.34(_Z20crash_signal_handleri+0x1fa) [0x61e98d45ee5a]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x42910) [0x738cce442910]: 
/lib/x86_64-linux-gnu/libc.so.6(pthread_kill+0x11b) [0x738cce49999b]: 
/lib/x86_64-linux-gnu/libc.so.6(raise+0x16) [0x738cce442866]: 
/lib/x86_64-linux-gnu/libc.so.6(abort+0xd7) [0x738cce4268b7]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x27750) [0x738cce427750]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xa3c67) [0x738cce4a3c67]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xa5ea4) [0x738cce4a5ea4]: 
/lib/x86_64-linux-gnu/libc.so.6(free+0x73) [0x738cce4a87f3]: 
/usr/games/crawl-0.34(+0xce82f1) [0x61e98dc522f1]: 
/usr/games/crawl-0.34(+0xcd98f9) [0x61e98dc438f9]: 
/usr/games/crawl-0.34(+0xcd6cb5) [0x61e98dc40cb5]: 
/usr/games/crawl-0.34(+0xcd9056) [0x61e98dc43056]: 
/usr/games/crawl-0.34(+0xcded46) [0x61e98dc48d46]: 
/usr/games/crawl-0.34(_ZN4CLua5closeEv+0xbe) [0x61e98d445aae]: CLua::close()
/usr/games/crawl-0.34(+0x2f4ef2) [0x61e98d25eef2]: 
/usr/games/crawl-0.34(+0x2f7ebb) [0x61e98d261ebb]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x280d0) [0x738cce4280d0]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0x89) [0x738cce428189]: 
/usr/games/crawl-0.34(_start+0x25) [0x61e98d390e55]: