00:26 $ gem install aws-sdk-v1 -v 1.66
Fetching: aws-sdk-v1-1.66.0.gem (100%)
ERROR:  Error installing aws-sdk-v1:
        invalid gem: package is corrupt, exception while verifying: undefined method `path2class' for #<Psych::ClassLoader:0x007fe4ce14f388> (NoMethodError) in /Users/user/.rvm/gems/ruby-2.0.0-p598/cache/aws-sdk-v1-1.66.0.gem