Obtained 38 stack frames.
/usr/games/crawl-git-69c9decb0d(_Z17write_stack_traceP8_IO_FILE+0x3e) [0x62cbb74d9f4e]: write_stack_trace(_IO_FILE*)
/usr/games/crawl-git-69c9decb0d(_Z20crash_signal_handleri+0x18f) [0x62cbb74da3bf]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x42910) [0x7c9c28242910]: 
/lib/x86_64-linux-gnu/libc.so.6(pthread_kill+0x11b) [0x7c9c2829999b]: 
/lib/x86_64-linux-gnu/libc.so.6(raise+0x16) [0x7c9c28242866]: 
/lib/x86_64-linux-gnu/libc.so.6(abort+0xd7) [0x7c9c282268b7]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x27750) [0x7c9c28227750]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xa3c67) [0x7c9c282a3c67]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xa4794) [0x7c9c282a4794]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xa4939) [0x7c9c282a4939]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xa65b8) [0x7c9c282a65b8]: 
/lib/x86_64-linux-gnu/libc.so.6(malloc+0x19a) [0x7c9c282a824a]: 
/lib/x86_64-linux-gnu/libc.so.6(opendir+0x85) [0x7c9c282e61a5]: 
/usr/games/crawl-git-69c9decb0d(_Z10dir_existsRKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE+0x31) [0x62cbb7b48a71]: dir_exists(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)
/usr/games/crawl-git-69c9decb0d(_Z11check_mkdirRKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEPS4_b+0xf6) [0x62cbb75e4486]: 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-git-69c9decb0d(+0x5fe98e) [0x62cbb75e498e]: 
/usr/games/crawl-git-69c9decb0d(_Z20get_savedir_filenameRKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE+0x3b) [0x62cbb75e8beb]: get_savedir_filename(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)
/usr/games/crawl-git-69c9decb0d(_Z13do_crash_dumpv+0x255) [0x62cbb74e7fa5]: do_crash_dump()
/usr/games/crawl-git-69c9decb0d(_Z20crash_signal_handleri+0x1fa) [0x62cbb74da42a]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x42910) [0x7c9c28242910]: 
/lib/x86_64-linux-gnu/libc.so.6(pthread_kill+0x11b) [0x7c9c2829999b]: 
/lib/x86_64-linux-gnu/libc.so.6(raise+0x16) [0x7c9c28242866]: 
/lib/x86_64-linux-gnu/libc.so.6(abort+0xd7) [0x7c9c282268b7]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x27750) [0x7c9c28227750]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xa3c67) [0x7c9c282a3c67]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xa5ea4) [0x7c9c282a5ea4]: 
/lib/x86_64-linux-gnu/libc.so.6(free+0x73) [0x7c9c282a87f3]: 
/usr/games/crawl-git-69c9decb0d(+0xce76e1) [0x62cbb7ccd6e1]: 
/usr/games/crawl-git-69c9decb0d(+0xcd8ce9) [0x62cbb7cbece9]: 
/usr/games/crawl-git-69c9decb0d(+0xcd6091) [0x62cbb7cbc091]: 
/usr/games/crawl-git-69c9decb0d(+0xcd8446) [0x62cbb7cbe446]: 
/usr/games/crawl-git-69c9decb0d(+0xcde136) [0x62cbb7cc4136]: 
/usr/games/crawl-git-69c9decb0d(_ZN4CLua5closeEv+0xbe) [0x62cbb74c107e]: CLua::close()
/usr/games/crawl-git-69c9decb0d(+0x2f48d4) [0x62cbb72da8d4]: 
/usr/games/crawl-git-69c9decb0d(+0x2f789d) [0x62cbb72dd89d]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x280d0) [0x7c9c282280d0]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0x89) [0x7c9c28228189]: 
/usr/games/crawl-git-69c9decb0d(_start+0x25) [0x62cbb740c565]: