Obtained 36 stack frames.
/usr/games/crawl-git-7991ae8747(_Z17write_stack_traceP8_IO_FILE+0x3e) [0x5c126a6d477e]: write_stack_trace(_IO_FILE*)
/usr/games/crawl-git-7991ae8747(_Z20crash_signal_handleri+0x18f) [0x5c126a6d4bef]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x45330) [0x78c773826330]: 
/usr/games/crawl-git-7991ae8747(+0xcd587b) [0x5c126aeb787b]: 
/usr/games/crawl-git-7991ae8747(lua_next+0x32) [0x5c126aea9e32]: 
/usr/games/crawl-git-7991ae8747(+0xce0441) [0x5c126aec2441]: 
/usr/games/crawl-git-7991ae8747(+0xccae13) [0x5c126aeace13]: 
/usr/games/crawl-git-7991ae8747(+0xccb062) [0x5c126aead062]: 
/usr/games/crawl-git-7991ae8747(+0xcd9914) [0x5c126aebb914]: 
/usr/games/crawl-git-7991ae8747(+0xccb12d) [0x5c126aead12d]: 
/usr/games/crawl-git-7991ae8747(+0xcc9f73) [0x5c126aeabf73]: 
/usr/games/crawl-git-7991ae8747(+0xccb554) [0x5c126aead554]: 
/usr/games/crawl-git-7991ae8747(lua_pcallk+0x95) [0x5c126aea9805]: 
/usr/games/crawl-git-7991ae8747(_ZN4CLua5pcallEii+0x60) [0x5c126a6b9770]: CLua::pcall(int, int)
/usr/games/crawl-git-7991ae8747(_ZN4CLua6callfnEPKcii+0xb4) [0x5c126a6bb094]: CLua::callfn(char const*, int, int)
/usr/games/crawl-git-7991ae8747(_Z13do_crash_dumpv+0x1b84) [0x5c126a6e4104]: do_crash_dump()
/usr/games/crawl-git-7991ae8747(_Z20crash_signal_handleri+0x1fa) [0x5c126a6d4c5a]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x45330) [0x78c773826330]: 
/lib/x86_64-linux-gnu/libc.so.6(pthread_kill+0x11c) [0x78c77387fb2c]: 
/lib/x86_64-linux-gnu/libc.so.6(gsignal+0x1e) [0x78c77382627e]: 
/lib/x86_64-linux-gnu/libc.so.6(abort+0xdf) [0x78c7738098ff]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x297b6) [0x78c77380a7b6]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xa8ff5) [0x78c773889ff5]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xab38c) [0x78c77388c38c]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_free+0x7e) [0x78c77388edae]: 
/usr/games/crawl-git-7991ae8747(+0xcddaa1) [0x5c126aebfaa1]: 
/usr/games/crawl-git-7991ae8747(+0xccf0f9) [0x5c126aeb10f9]: 
/usr/games/crawl-git-7991ae8747(+0xccc469) [0x5c126aeae469]: 
/usr/games/crawl-git-7991ae8747(+0xcce856) [0x5c126aeb0856]: 
/usr/games/crawl-git-7991ae8747(+0xcd4566) [0x5c126aeb6566]: 
/usr/games/crawl-git-7991ae8747(_ZN4CLua5closeEv+0xbe) [0x5c126a6bb97e]: CLua::close()
/usr/games/crawl-git-7991ae8747(+0x2f328c) [0x5c126a4d528c]: 
/usr/games/crawl-git-7991ae8747(+0x2f6258) [0x5c126a4d8258]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x2a1ca) [0x78c77380b1ca]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0x8b) [0x78c77380b28b]: 
/usr/games/crawl-git-7991ae8747(_start+0x25) [0x5c126a6064f5]: