Obtained 19 stack frames.
/usr/games/crawl-0.30(_Z17write_stack_traceP8_IO_FILE+0x3f) [0x55c9c74dd59f]: write_stack_trace(_IO_FILE*)
/usr/games/crawl-0.30(_Z20crash_signal_handleri+0x18f) [0x55c9c74dd9bf]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x46210) [0x7f78c734a210]: 
/usr/games/crawl-0.30(_Z23raw_feature_descriptionB5cxx11RK9coord_def+0x6c) [0x55c9c7563d1c]: raw_feature_description[abi:cxx11](coord_def const&)
/usr/games/crawl-0.30(_Z13do_crash_dumpv+0x2103) [0x55c9c74e94a3]: do_crash_dump()
/usr/games/crawl-0.30(_Z20crash_signal_handleri+0x1fa) [0x55c9c74dda2a]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x46210) [0x7f78c734a210]: 
/lib/x86_64-linux-gnu/libpthread.so.0(raise+0xcb) [0x7f78c750b24b]: 
/usr/games/crawl-0.30(+0x451efd) [0x55c9c74e6efd]: 
/usr/games/crawl-0.30(+0x452226) [0x55c9c74e7226]: 
/usr/games/crawl-0.30(_Z8tag_readR6reader8tag_type+0x8162) [0x55c9c7a72502]: tag_read(reader&, tag_type)
/usr/games/crawl-0.30(+0x5298d9) [0x55c9c75be8d9]: 
/usr/games/crawl-0.30(+0x52ea0d) [0x55c9c75c3a0d]: 
/usr/games/crawl-0.30(_Z12restore_gameRKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE+0x21) [0x55c9c75c46f1]: restore_game(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)
/usr/games/crawl-0.30(_Z12startup_stepv+0x1501) [0x55c9c7a2b5c1]: startup_step()
/usr/games/crawl-0.30(+0xacb6ef) [0x55c9c7b606ef]: 
/usr/games/crawl-0.30(main+0x1a8) [0x55c9c7433008]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf3) [0x7f78c732b0b3]: 
/usr/games/crawl-0.30(_start+0x2e) [0x55c9c7433b7e]: