Obtained 19 stack frames.
/usr/games/crawl-git-3b7de120b3(_Z17write_stack_traceP8_IO_FILE+0x3f) [0x55c2cd7f7d3f]: write_stack_trace(_IO_FILE*)
/usr/games/crawl-git-3b7de120b3(_Z20crash_signal_handleri+0x18f) [0x55c2cd7f815f]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x46210) [0x7f534ca21210]: 
/usr/games/crawl-git-3b7de120b3(_Z23raw_feature_descriptionB5cxx11RK9coord_def+0x6c) [0x55c2cd88175c]: raw_feature_description[abi:cxx11](coord_def const&)
/usr/games/crawl-git-3b7de120b3(_Z13do_crash_dumpv+0x2103) [0x55c2cd803ca3]: do_crash_dump()
/usr/games/crawl-git-3b7de120b3(_Z20crash_signal_handleri+0x1fa) [0x55c2cd7f81ca]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x46210) [0x7f534ca21210]: 
/lib/x86_64-linux-gnu/libpthread.so.0(raise+0xcb) [0x7f534cbe224b]: 
/usr/games/crawl-git-3b7de120b3(+0x45b6fd) [0x55c2cd8016fd]: 
/usr/games/crawl-git-3b7de120b3(+0x45ba26) [0x55c2cd801a26]: 
/usr/games/crawl-git-3b7de120b3(_Z8tag_readR6reader8tag_type+0x836d) [0x55c2cdd9607d]: tag_read(reader&, tag_type)
/usr/games/crawl-git-3b7de120b3(+0x537059) [0x55c2cd8dd059]: 
/usr/games/crawl-git-3b7de120b3(+0x53a64d) [0x55c2cd8e064d]: 
/usr/games/crawl-git-3b7de120b3(_Z12restore_gameRKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE+0x21) [0x55c2cd8e1331]: restore_game(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)
/usr/games/crawl-git-3b7de120b3(_Z12startup_stepv+0x1511) [0x55c2cdd4e961]: startup_step()
/usr/games/crawl-git-3b7de120b3(+0xade76f) [0x55c2cde8476f]: 
/usr/games/crawl-git-3b7de120b3(main+0x1a8) [0x55c2cd74c5a8]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf3) [0x7f534ca020b3]: 
/usr/games/crawl-git-3b7de120b3(_start+0x2e) [0x55c2cd74d11e]: