Obtained 37 stack frames.
/usr/games/crawl-git-5877fddc77(_Z17write_stack_traceP8_IO_FILE+0x3e) [0x5a6404ac09ce]: write_stack_trace(_IO_FILE*)
/usr/games/crawl-git-5877fddc77(_Z20crash_signal_handleri+0x18f) [0x5a6404ac0e3f]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x45330) [0x7e734dee7330]: 
/lib/x86_64-linux-gnu/libc.so.6(pthread_kill+0x11c) [0x7e734df40b2c]: 
/lib/x86_64-linux-gnu/libc.so.6(gsignal+0x1e) [0x7e734dee727e]: 
/lib/x86_64-linux-gnu/libc.so.6(abort+0xdf) [0x7e734deca8ff]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x297b6) [0x7e734decb7b6]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xa8ff5) [0x7e734df4aff5]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xa9b7c) [0x7e734df4bb7c]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xa9cda) [0x7e734df4bcda]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xaba90) [0x7e734df4da90]: 
/lib/x86_64-linux-gnu/libc.so.6(malloc+0x1a2) [0x7e734df4f7f2]: 
/lib/x86_64-linux-gnu/libc.so.6(opendir+0x8c) [0x7e734df8f60c]: 
/usr/games/crawl-git-5877fddc77(_Z10dir_existsRKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE+0x31) [0x5a640512ee91]: dir_exists(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)
/usr/games/crawl-git-5877fddc77(_Z11check_mkdirRKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEPS4_b+0xf6) [0x5a6404bcaa56]: 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-5877fddc77(+0x5fef5e) [0x5a6404bcaf5e]: 
/usr/games/crawl-git-5877fddc77(_Z20get_savedir_filenameRKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE+0x3b) [0x5a6404bcf1fb]: get_savedir_filename(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)
/usr/games/crawl-git-5877fddc77(_Z13do_crash_dumpv+0x255) [0x5a6404acea25]: do_crash_dump()
/usr/games/crawl-git-5877fddc77(_Z20crash_signal_handleri+0x1fa) [0x5a6404ac0eaa]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x45330) [0x7e734dee7330]: 
/lib/x86_64-linux-gnu/libc.so.6(pthread_kill+0x11c) [0x7e734df40b2c]: 
/lib/x86_64-linux-gnu/libc.so.6(gsignal+0x1e) [0x7e734dee727e]: 
/lib/x86_64-linux-gnu/libc.so.6(abort+0xdf) [0x7e734deca8ff]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x297b6) [0x7e734decb7b6]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xa8ff5) [0x7e734df4aff5]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xab38c) [0x7e734df4d38c]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_free+0x7e) [0x7e734df4fdae]: 
/usr/games/crawl-git-5877fddc77(+0x4d6d1e) [0x5a6404aa2d1e]: 
/usr/games/crawl-git-5877fddc77(+0xcd91f9) [0x5a64052a51f9]: 
/usr/games/crawl-git-5877fddc77(+0xcd8956) [0x5a64052a4956]: 
/usr/games/crawl-git-5877fddc77(+0xcde666) [0x5a64052aa666]: 
/usr/games/crawl-git-5877fddc77(_ZN4CLua5closeEv+0xbe) [0x5a6404aa7bce]: CLua::close()
/usr/games/crawl-git-5877fddc77(+0x2f50dc) [0x5a64048c10dc]: 
/usr/games/crawl-git-5877fddc77(+0x2f80b4) [0x5a64048c40b4]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x2a1ca) [0x7e734decc1ca]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0x8b) [0x7e734decc28b]: 
/usr/games/crawl-git-5877fddc77(_start+0x25) [0x5a64049f3055]: