As of RubyGems 0.8.0, library stubs are no longer needed.
Searching $LOAD_PATH for stubs to optionally delete (may take a while)...
...done.
No library stubs found.
Successfully built RubyGem
Name: sources
Version: 0.0.1
File: sources-0.0.1.gem
hook /usr/local/src/rubygems-0.8.11/./post-install.rb failed:
invalid compressed data -- crc error
Try 'ruby setup.rb --help' for detailed usage.