参考書で勉強をしていてrails new scaffold_app -d PostgreSQLのコマンドを実行したところ、 reate README.md create Rakefile create .ruby-version create config.ru create .gitignore create Gemfile run git init from "." /home/tarou/.rbenv/versions/2.5.1/lib/ruby/gems/2.5.0/gems/thor-0.20.3/lib/thor/actions.rb:260: warning: Insecure world writable dir /home/tarou/.rbenv/versions/2.5.1 in PATH, mode 040777 error: chmod on /mnt/c/Co