[!] The `master` repo requires CocoaPods 0.32.1 と出たら

$ pod update
Setting up CocoaPods master repo
Already up-to-date.
[!] The `master` repo requires CocoaPods 0.32.1 - 
Update CocoaPods, or checkout the appropriate tag in the repo.
/Users/xxx/.rbenv/versions/2.0.0-p247/lib/ruby/gems/2.0.0/gems/claide-0.5.0/lib/claide/command.rb:281:in `rescue in run': undefined method `verbose?' for nil:NilClass (NoMethodError)
    from /Users/xxx/.rbenv/versions/2.0.0-p247/lib/ruby/gems/2.0.0/gems/claide-0.5.0/lib/claide/command.rb:274:in `run'
    from /Users/xxx/.rbenv/versions/2.0.0-p247/lib/ruby/gems/2.0.0/gems/cocoapods-0.31.1/lib/cocoapods/command.rb:51:in `run'
    from /Users/xxx/.rbenv/versions/2.0.0-p247/lib/ruby/gems/2.0.0/gems/cocoapods-0.31.1/bin/pod:33:in `<top (required)>'
    from /Users/xxx/.rbenv/versions/2.0.0-p247/bin/pod:23:in `load'
    from /Users/xxx/.rbenv/versions/2.0.0-p247/bin/pod:23:in `<main>'

http://stackoverflow.com/questions/23165446/when-running-pod-install-i-get-the-master-repo-requires-cocoapods-0-32-1-try
によると

sudo gem install cocoapods

らしいのでする。そうすると通った。めでたしめでたし。