Obtained 36 stack frames.
/usr/games/crawl-0.34(_Z17write_stack_traceP8_IO_FILE+0x3e) [0x5949fae5ef1e]: write_stack_trace(_IO_FILE*)
/usr/games/crawl-0.34(_Z20crash_signal_handleri+0x18f) [0x5949fae5f38f]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x45330) [0x7ef6a9952330]: 
/usr/games/crawl-0.34(+0xce18ab) [0x5949fb64b8ab]: 
/usr/games/crawl-0.34(lua_next+0x32) [0x5949fb63de62]: 
/usr/games/crawl-0.34(+0xcec471) [0x5949fb656471]: 
/usr/games/crawl-0.34(+0xcd6e43) [0x5949fb640e43]: 
/usr/games/crawl-0.34(+0xcd7092) [0x5949fb641092]: 
/usr/games/crawl-0.34(+0xce5944) [0x5949fb64f944]: 
/usr/games/crawl-0.34(+0xcd715d) [0x5949fb64115d]: 
/usr/games/crawl-0.34(+0xcd5fa3) [0x5949fb63ffa3]: 
/usr/games/crawl-0.34(+0xcd7584) [0x5949fb641584]: 
/usr/games/crawl-0.34(lua_pcallk+0x95) [0x5949fb63d835]: 
/usr/games/crawl-0.34(_ZN4CLua5pcallEii+0x60) [0x5949fae43f10]: CLua::pcall(int, int)
/usr/games/crawl-0.34(_ZN4CLua6callfnEPKcii+0xb4) [0x5949fae45834]: CLua::callfn(char const*, int, int)
/usr/games/crawl-0.34(_Z13do_crash_dumpv+0x1b84) [0x5949fae6e8a4]: do_crash_dump()
/usr/games/crawl-0.34(_Z20crash_signal_handleri+0x1fa) [0x5949fae5f3fa]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x45330) [0x7ef6a9952330]: 
/lib/x86_64-linux-gnu/libc.so.6(pthread_kill+0x11c) [0x7ef6a99abb2c]: 
/lib/x86_64-linux-gnu/libc.so.6(gsignal+0x1e) [0x7ef6a995227e]: 
/lib/x86_64-linux-gnu/libc.so.6(abort+0xdf) [0x7ef6a99358ff]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x297b6) [0x7ef6a99367b6]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xa8ff5) [0x7ef6a99b5ff5]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xab38c) [0x7ef6a99b838c]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_free+0x7e) [0x7ef6a99badae]: 
/usr/games/crawl-0.34(+0xce9ad1) [0x5949fb653ad1]: 
/usr/games/crawl-0.34(+0xcdb129) [0x5949fb645129]: 
/usr/games/crawl-0.34(+0xcd84e5) [0x5949fb6424e5]: 
/usr/games/crawl-0.34(+0xcda886) [0x5949fb644886]: 
/usr/games/crawl-0.34(+0xce0596) [0x5949fb64a596]: 
/usr/games/crawl-0.34(_ZN4CLua5closeEv+0xbe) [0x5949fae4611e]: CLua::close()
/usr/games/crawl-0.34(+0x2f5636) [0x5949fac5f636]: 
/usr/games/crawl-0.34(+0x2f8602) [0x5949fac62602]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x2a1ca) [0x7ef6a99371ca]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0x8b) [0x7ef6a993728b]: 
/usr/games/crawl-0.34(_start+0x25) [0x5949fad915a5]: