Obtained 19 stack frames.
/usr/games/crawl-git-8a9724b8bd(_Z17write_stack_traceP8_IO_FILEi+0x23) [0x5f8703]: write_stack_trace(_IO_FILE*, int)
/usr/games/crawl-git-8a9724b8bd(_Z20crash_signal_handleri+0x16c) [0x5f8a6c]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x324f0) [0x7fa619c934f0]: 
/usr/games/crawl-git-8a9724b8bd(_Z23raw_feature_descriptionRK9coord_def+0x4b) [0x64ed7b]: raw_feature_description(coord_def const&)
/usr/games/crawl-git-8a9724b8bd(_Z13do_crash_dumpv+0xd81) [0x5ff7c1]: do_crash_dump()
/usr/games/crawl-git-8a9724b8bd(_Z20crash_signal_handleri+0x6a) [0x5f896a]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x324f0) [0x7fa619c934f0]: 
/lib/x86_64-linux-gnu/libpthread.so.0(raise+0x2b) [0x7fa619ff9efb]: 
/usr/games/crawl-git-8a9724b8bd() [0x5fe5b4]
/usr/games/crawl-git-8a9724b8bd() [0x5fe929]
/usr/games/crawl-git-8a9724b8bd() [0x9e7eff]
/usr/games/crawl-git-8a9724b8bd(_Z8tag_readR6reader8tag_type+0x14d) [0x9f25bd]: tag_read(reader&, tag_type)
/usr/games/crawl-git-8a9724b8bd() [0x6a06d2]
/usr/games/crawl-git-8a9724b8bd() [0x6a515b]
/usr/games/crawl-git-8a9724b8bd(_Z12restore_gameRKSs+0xa) [0x6a58fa]: restore_game(std::string const&)
/usr/games/crawl-git-8a9724b8bd(_Z12startup_stepv+0xd33) [0x9c5f53]: startup_step()
/usr/games/crawl-git-8a9724b8bd(main+0x31e) [0x4fcf4e]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xfd) [0x7fa619c7fead]: 
/usr/games/crawl-git-8a9724b8bd() [0x570c49]