Obtained 38 stack frames.
/usr/games/crawl-0.34(_Z17write_stack_traceP8_IO_FILE+0x3e) [0x5af87950fa9e]: write_stack_trace(_IO_FILE*)
/usr/games/crawl-0.34(_Z20crash_signal_handleri+0x18f) [0x5af87950ff0f]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x45330) [0x7593c11f2330]: 
/lib/x86_64-linux-gnu/libc.so.6(pthread_kill+0x11c) [0x7593c124bb2c]: 
/lib/x86_64-linux-gnu/libc.so.6(gsignal+0x1e) [0x7593c11f227e]: 
/lib/x86_64-linux-gnu/libc.so.6(abort+0xdf) [0x7593c11d58ff]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x297b6) [0x7593c11d67b6]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xa8ff5) [0x7593c1255ff5]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xa9b7c) [0x7593c1256b7c]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xa9d2b) [0x7593c1256d2b]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xaba90) [0x7593c1258a90]: 
/lib/x86_64-linux-gnu/libc.so.6(malloc+0x1a2) [0x7593c125a7f2]: 
/lib/x86_64-linux-gnu/libc.so.6(opendir+0x8c) [0x7593c129a60c]: 
/usr/games/crawl-0.34(_Z10dir_existsRKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE+0x31) [0x5af879b7e491]: dir_exists(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)
/usr/games/crawl-0.34(_Z11check_mkdirRKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEPS4_b+0xf6) [0x5af879619b26]: check_mkdir(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >*, bool)
/usr/games/crawl-0.34(+0x5ff02e) [0x5af87961a02e]: 
/usr/games/crawl-0.34(_Z20get_savedir_filenameRKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE+0x3b) [0x5af87961e2cb]: get_savedir_filename(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)
/usr/games/crawl-0.34(_Z13do_crash_dumpv+0x255) [0x5af87951daf5]: do_crash_dump()
/usr/games/crawl-0.34(_Z20crash_signal_handleri+0x1fa) [0x5af87950ff7a]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x45330) [0x7593c11f2330]: 
/lib/x86_64-linux-gnu/libc.so.6(pthread_kill+0x11c) [0x7593c124bb2c]: 
/lib/x86_64-linux-gnu/libc.so.6(gsignal+0x1e) [0x7593c11f227e]: 
/lib/x86_64-linux-gnu/libc.so.6(abort+0xdf) [0x7593c11d58ff]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x297b6) [0x7593c11d67b6]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xa8ff5) [0x7593c1255ff5]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xab38c) [0x7593c125838c]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_free+0x7e) [0x7593c125adae]: 
/usr/games/crawl-0.34(+0xce8171) [0x5af879d03171]: 
/usr/games/crawl-0.34(+0xcd97c9) [0x5af879cf47c9]: 
/usr/games/crawl-0.34(+0xce00b5) [0x5af879cfb0b5]: 
/usr/games/crawl-0.34(+0xcd8f26) [0x5af879cf3f26]: 
/usr/games/crawl-0.34(+0xcdec36) [0x5af879cf9c36]: 
/usr/games/crawl-0.34(_ZN4CLua5closeEv+0xbe) [0x5af8794f6c9e]: CLua::close()
/usr/games/crawl-0.34(+0x2f51f8) [0x5af8793101f8]: 
/usr/games/crawl-0.34(+0x2f81c4) [0x5af8793131c4]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x2a1ca) [0x7593c11d71ca]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0x8b) [0x7593c11d728b]: 
/usr/games/crawl-0.34(_start+0x25) [0x5af879442145]: