Obtained 19 stack frames.
/usr/games/crawl-git-474977d740(_Z17write_stack_traceP8_IO_FILEi+0x23) [0x5f5ed3]: write_stack_trace(_IO_FILE*, int)
/usr/games/crawl-git-474977d740(_Z20crash_signal_handleri+0x174) [0x5f6244]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x324f0) [0x7ffe8678c4f0]: 
/usr/games/crawl-git-474977d740(_Z23raw_feature_descriptionRK9coord_def+0x4b) [0x64c5ab]: raw_feature_description(coord_def const&)
/usr/games/crawl-git-474977d740(_Z13do_crash_dumpv+0xb41) [0x5fcd51]: do_crash_dump()
/usr/games/crawl-git-474977d740(_Z20crash_signal_handleri+0x6a) [0x5f613a]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x324f0) [0x7ffe8678c4f0]: 
/lib/x86_64-linux-gnu/libpthread.so.0(raise+0x2b) [0x7ffe86af2efb]: 
/usr/games/crawl-git-474977d740() [0x5fbd84]
/usr/games/crawl-git-474977d740() [0x5fc0f9]
/usr/games/crawl-git-474977d740() [0x9e498f]
/usr/games/crawl-git-474977d740(_Z8tag_readR6reader8tag_type+0x14d) [0x9ef0dd]: tag_read(reader&, tag_type)
/usr/games/crawl-git-474977d740() [0x69f402]
/usr/games/crawl-git-474977d740() [0x6a3e8b]
/usr/games/crawl-git-474977d740(_Z12restore_gameRKSs+0xa) [0x6a462a]: restore_game(std::string const&)
/usr/games/crawl-git-474977d740(_Z12startup_stepv+0xd33) [0x9c2a73]: startup_step()
/usr/games/crawl-git-474977d740(main+0x31e) [0x4fbf5e]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xfd) [0x7ffe86778ead]: 
/usr/games/crawl-git-474977d740() [0x56f2d9]