Obtained 36 stack frames.
/usr/games/crawl-git-53a7e0a32d(_Z17write_stack_traceP8_IO_FILE+0x3e) [0x5e2167090e3e]: write_stack_trace(_IO_FILE*)
/usr/games/crawl-git-53a7e0a32d(_Z20crash_signal_handleri+0x18f) [0x5e21670912af]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x42910) [0x7c53c0642910]: 
/usr/games/crawl-git-53a7e0a32d(+0xcdf17b) [0x5e216787c17b]: 
/usr/games/crawl-git-53a7e0a32d(lua_next+0x32) [0x5e216786e782]: 
/usr/games/crawl-git-53a7e0a32d(+0xce9ea1) [0x5e2167886ea1]: 
/usr/games/crawl-git-53a7e0a32d(+0xcd4763) [0x5e2167871763]: 
/usr/games/crawl-git-53a7e0a32d(+0xcd49b2) [0x5e21678719b2]: 
/usr/games/crawl-git-53a7e0a32d(+0xce32b4) [0x5e21678802b4]: 
/usr/games/crawl-git-53a7e0a32d(+0xcd4a7d) [0x5e2167871a7d]: 
/usr/games/crawl-git-53a7e0a32d(+0xcd38c3) [0x5e21678708c3]: 
/usr/games/crawl-git-53a7e0a32d(+0xcd4ea4) [0x5e2167871ea4]: 
/usr/games/crawl-git-53a7e0a32d(lua_pcallk+0x95) [0x5e216786e155]: 
/usr/games/crawl-git-53a7e0a32d(_ZN4CLua5pcallEii+0x60) [0x5e2167075d60]: CLua::pcall(int, int)
/usr/games/crawl-git-53a7e0a32d(_ZN4CLua6callfnEPKcii+0xb4) [0x5e2167077684]: CLua::callfn(char const*, int, int)
/usr/games/crawl-git-53a7e0a32d(_Z13do_crash_dumpv+0x1b94) [0x5e21670a07d4]: do_crash_dump()
/usr/games/crawl-git-53a7e0a32d(_Z20crash_signal_handleri+0x1fa) [0x5e216709131a]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x42910) [0x7c53c0642910]: 
/lib/x86_64-linux-gnu/libc.so.6(pthread_kill+0x11b) [0x7c53c069999b]: 
/lib/x86_64-linux-gnu/libc.so.6(raise+0x16) [0x7c53c0642866]: 
/lib/x86_64-linux-gnu/libc.so.6(abort+0xd7) [0x7c53c06268b7]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x27750) [0x7c53c0627750]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xa3c67) [0x7c53c06a3c67]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xa5c5c) [0x7c53c06a5c5c]: 
/lib/x86_64-linux-gnu/libc.so.6(free+0x73) [0x7c53c06a87f3]: 
/usr/games/crawl-git-53a7e0a32d(+0xce7441) [0x5e2167884441]: 
/usr/games/crawl-git-53a7e0a32d(+0xcd8a49) [0x5e2167875a49]: 
/usr/games/crawl-git-53a7e0a32d(+0xcd5db9) [0x5e2167872db9]: 
/usr/games/crawl-git-53a7e0a32d(+0xcd81a6) [0x5e21678751a6]: 
/usr/games/crawl-git-53a7e0a32d(+0xcdde96) [0x5e216787ae96]: 
/usr/games/crawl-git-53a7e0a32d(_ZN4CLua5closeEv+0xbe) [0x5e2167077f6e]: CLua::close()
/usr/games/crawl-git-53a7e0a32d(+0x2f4786) [0x5e2166e91786]: 
/usr/games/crawl-git-53a7e0a32d(+0x2f774f) [0x5e2166e9474f]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x280d0) [0x7c53c06280d0]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0x89) [0x7c53c0628189]: 
/usr/games/crawl-git-53a7e0a32d(_start+0x25) [0x5e2166fc3435]: