Obtained 24 stack frames.
/usr/games/crawl-git-2d247ea020(_Z17write_stack_traceP8_IO_FILEi+0x23) [0x5d7c83]: write_stack_trace(_IO_FILE*, int)
/usr/games/crawl-git-2d247ea020(_Z20crash_signal_handleri+0x1a5) [0x5d8025]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x364c0) [0x7f10341b04c0]: 
/usr/games/crawl-git-2d247ea020(_Z23raw_feature_descriptionRK9coord_def+0x4b) [0x6503ab]: raw_feature_description(coord_def const&)
/usr/games/crawl-git-2d247ea020(_Z13do_crash_dumpv+0xe6e) [0x5dfa6e]: do_crash_dump()
/usr/games/crawl-git-2d247ea020(_Z20crash_signal_handleri+0x9c) [0x5d7f1c]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x364c0) [0x7f10341b04c0]: 
/lib/x86_64-linux-gnu/libpthread.so.0(raise+0x2b) [0x7f1034546b7b]: 
/usr/games/crawl-git-2d247ea020() [0x5de6a9]
/usr/games/crawl-git-2d247ea020() [0x5de971]
/usr/games/crawl-git-2d247ea020() [0x984fae]
/usr/games/crawl-git-2d247ea020(_Z11print_statsv+0xe39) [0x9838d9]: print_stats()
/usr/games/crawl-git-2d247ea020(_ZN14message_window4moreEbb+0x45) [0x86b0d5]: message_window::more(bool, bool)
/usr/games/crawl-git-2d247ea020(_Z4moreb+0x27) [0x864de7]: more(bool)
/usr/games/crawl-git-2d247ea020(_Z21check_selected_skillsv+0x158) [0xa04b58]: check_selected_skills()
/usr/games/crawl-git-2d247ea020(_Z8tag_readR6reader8tag_type+0xeec) [0xa9e5ec]: tag_read(reader&, tag_type)
/usr/games/crawl-git-2d247ea020() [0x6a9f14]
/usr/games/crawl-git-2d247ea020() [0x6ac28c]
/usr/games/crawl-git-2d247ea020(_Z12restore_gameRKSs+0xa) [0x6ac92a]: restore_game(std::string const&)
/usr/games/crawl-git-2d247ea020(_Z12startup_stepv+0xf6f) [0xa6fdaf]: startup_step()
/usr/games/crawl-git-2d247ea020() [0xbcdc06]
/usr/games/crawl-git-2d247ea020(main+0x33b) [0xbd189b]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xed) [0x7f103419b76d]: 
/usr/games/crawl-git-2d247ea020() [0x53dc79]