エラー発生 $ rbenv install 2.1.2 Downloading ruby-2.1.2.tar.gz... -> http://dqw8nmjcqpjn7.cloudfront.net/a5b5c83565f8bd954ee522bd287d2ca1 Installing ruby-2.1.2... Installed ruby-2.1.2 to /Users/Username/.rbenv/versions/2.1.2 rbenv: cannot …