Obtained 38 stack frames.
/usr/games/crawl-git-c46cf17215(_Z17write_stack_traceP8_IO_FILE+0x3e) [0x589deb63d37e]: write_stack_trace(_IO_FILE*)
/usr/games/crawl-git-c46cf17215(_Z20crash_signal_handleri+0x18f) [0x589deb63d7ef]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x45330) [0x780c90d6e330]: 
/lib/x86_64-linux-gnu/libc.so.6(pthread_kill+0x11c) [0x780c90dc7b2c]: 
/lib/x86_64-linux-gnu/libc.so.6(gsignal+0x1e) [0x780c90d6e27e]: 
/lib/x86_64-linux-gnu/libc.so.6(abort+0xdf) [0x780c90d518ff]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x297b6) [0x780c90d527b6]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xa8ff5) [0x780c90dd1ff5]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xa9b7c) [0x780c90dd2b7c]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xa9d2b) [0x780c90dd2d2b]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xaba90) [0x780c90dd4a90]: 
/lib/x86_64-linux-gnu/libc.so.6(malloc+0x1a2) [0x780c90dd67f2]: 
/lib/x86_64-linux-gnu/libc.so.6(opendir+0x8c) [0x780c90e1660c]: 
/usr/games/crawl-git-c46cf17215(_Z10dir_existsRKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE+0x31) [0x589debca89f1]: dir_exists(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)
/usr/games/crawl-git-c46cf17215(_Z11check_mkdirRKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEPS4_b+0xf6) [0x589deb7470f6]: 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-c46cf17215(+0x5fb5fe) [0x589deb7475fe]: 
/usr/games/crawl-git-c46cf17215(_Z20get_savedir_filenameRKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE+0x3b) [0x589deb74b85b]: get_savedir_filename(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)
/usr/games/crawl-git-c46cf17215(_Z13do_crash_dumpv+0x255) [0x589deb64b3d5]: do_crash_dump()
/usr/games/crawl-git-c46cf17215(_Z20crash_signal_handleri+0x1fa) [0x589deb63d85a]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x45330) [0x780c90d6e330]: 
/lib/x86_64-linux-gnu/libc.so.6(pthread_kill+0x11c) [0x780c90dc7b2c]: 
/lib/x86_64-linux-gnu/libc.so.6(gsignal+0x1e) [0x780c90d6e27e]: 
/lib/x86_64-linux-gnu/libc.so.6(abort+0xdf) [0x780c90d518ff]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x297b6) [0x780c90d527b6]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xa8ff5) [0x780c90dd1ff5]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xab38c) [0x780c90dd438c]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_free+0x7e) [0x780c90dd6dae]: 
/usr/games/crawl-git-c46cf17215(+0xcdfa51) [0x589debe2ba51]: 
/usr/games/crawl-git-c46cf17215(+0xcd10a9) [0x589debe1d0a9]: 
/usr/games/crawl-git-c46cf17215(+0xcce43d) [0x589debe1a43d]: 
/usr/games/crawl-git-c46cf17215(+0xcd0806) [0x589debe1c806]: 
/usr/games/crawl-git-c46cf17215(+0xcd6516) [0x589debe22516]: 
/usr/games/crawl-git-c46cf17215(_ZN4CLua5closeEv+0xbe) [0x589deb62457e]: CLua::close()
/usr/games/crawl-git-c46cf17215(+0x2f2c5a) [0x589deb43ec5a]: 
/usr/games/crawl-git-c46cf17215(+0x2f5c26) [0x589deb441c26]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x2a1ca) [0x780c90d531ca]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0x8b) [0x780c90d5328b]: 
/usr/games/crawl-git-c46cf17215(_start+0x25) [0x589deb56ff25]: