Obtained 36 stack frames.
/usr/games/crawl-0.34(_Z17write_stack_traceP8_IO_FILE+0x3e) [0x641578bc895e]: write_stack_trace(_IO_FILE*)
/usr/games/crawl-0.34(_Z20crash_signal_handleri+0x18f) [0x641578bc8dcf]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x42910) [0x752378042910]: 
/usr/games/crawl-0.34(+0xce02fb) [0x6415793b42fb]: 
/usr/games/crawl-0.34(lua_next+0x32) [0x6415793a6902]: 
/usr/games/crawl-0.34(+0xceb021) [0x6415793bf021]: 
/usr/games/crawl-0.34(+0xcd58e3) [0x6415793a98e3]: 
/usr/games/crawl-0.34(+0xcd5b32) [0x6415793a9b32]: 
/usr/games/crawl-0.34(+0xce4434) [0x6415793b8434]: 
/usr/games/crawl-0.34(+0xcd5bfd) [0x6415793a9bfd]: 
/usr/games/crawl-0.34(+0xcd4a43) [0x6415793a8a43]: 
/usr/games/crawl-0.34(+0xcd6024) [0x6415793aa024]: 
/usr/games/crawl-0.34(lua_pcallk+0x95) [0x6415793a62d5]: 
/usr/games/crawl-0.34(_ZN4CLua5pcallEii+0x60) [0x641578bad880]: CLua::pcall(int, int)
/usr/games/crawl-0.34(_ZN4CLua6callfnEPKcii+0xb4) [0x641578baf1a4]: CLua::callfn(char const*, int, int)
/usr/games/crawl-0.34(_Z13do_crash_dumpv+0x1b94) [0x641578bd82f4]: do_crash_dump()
/usr/games/crawl-0.34(_Z20crash_signal_handleri+0x1fa) [0x641578bc8e3a]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x42910) [0x752378042910]: 
/lib/x86_64-linux-gnu/libc.so.6(pthread_kill+0x11b) [0x75237809999b]: 
/lib/x86_64-linux-gnu/libc.so.6(raise+0x16) [0x752378042866]: 
/lib/x86_64-linux-gnu/libc.so.6(abort+0xd7) [0x7523780268b7]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x27750) [0x752378027750]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xa3c67) [0x7523780a3c67]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xa5ea4) [0x7523780a5ea4]: 
/lib/x86_64-linux-gnu/libc.so.6(free+0x73) [0x7523780a87f3]: 
/usr/games/crawl-0.34(+0xce85c1) [0x6415793bc5c1]: 
/usr/games/crawl-0.34(+0xcd9bc9) [0x6415793adbc9]: 
/usr/games/crawl-0.34(+0xcd6f49) [0x6415793aaf49]: 
/usr/games/crawl-0.34(+0xcd9326) [0x6415793ad326]: 
/usr/games/crawl-0.34(+0xcdf016) [0x6415793b3016]: 
/usr/games/crawl-0.34(_ZN4CLua5closeEv+0xbe) [0x641578bafa8e]: CLua::close()
/usr/games/crawl-0.34(+0x2f4f36) [0x6415789c8f36]: 
/usr/games/crawl-0.34(+0x2f7eff) [0x6415789cbeff]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x280d0) [0x7523780280d0]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0x89) [0x752378028189]: 
/usr/games/crawl-0.34(_start+0x25) [0x641578afaea5]: