/usr/local/rvm/rubies/ruby-2.0.0-p0/lib/ruby/site_ruby/2.0.0/rubygems/core_ext/kernel_require.rb:107:in `require': cannot load such file -- rubygems/format (LoadError)
	from /usr/local/rvm/rubies/ruby-2.0.0-p0/lib/ruby/site_ruby/2.0.0/rubygems/core_ext/kernel_require.rb:107:in `require'
	from /usr/local/rvm/gems/ruby-2.0.0-p0/gems/chef-11.4.4/lib/chef/provider/package/rubygems.rb:34:in `<top (required)>'
	from /usr/local/rvm/rubies/ruby-2.0.0-p0/lib/ruby/site_ruby/2.0.0/rubygems/core_ext/kernel_require.rb:58:in `require'
	from /usr/local/rvm/rubies/ruby-2.0.0-p0/lib/ruby/site_ruby/2.0.0/rubygems/core_ext/kernel_require.rb:58:in `require'
	from /usr/local/rvm/gems/ruby-2.0.0-p0/gems/chef-11.4.4/lib/chef/providers.rb:60:in `<top (required)>'
	from /usr/local/rvm/rubies/ruby-2.0.0-p0/lib/ruby/site_ruby/2.0.0/rubygems/core_ext/kernel_require.rb:58:in `require'
	from /usr/local/rvm/rubies/ruby-2.0.0-p0/lib/ruby/site_ruby/2.0.0/rubygems/core_ext/kernel_require.rb:58:in `require'
	from /usr/local/rvm/gems/ruby-2.0.0-p0/gems/chef-11.4.4/lib/chef.rb:25:in `<top (required)>'
	from /usr/local/rvm/rubies/ruby-2.0.0-p0/lib/ruby/site_ruby/2.0.0/rubygems/core_ext/kernel_require.rb:58:in `require'
	from /usr/local/rvm/rubies/ruby-2.0.0-p0/lib/ruby/site_ruby/2.0.0/rubygems/core_ext/kernel_require.rb:58:in `require'
	from /usr/local/rvm/gems/ruby-2.0.0-p0/gems/chef-11.4.4/bin/chef-client:23:in `<top (required)>'
	from /usr/local/rvm/gems/ruby-2.0.0-p0/bin/chef-client:23:in `load'
	from /usr/local/rvm/gems/ruby-2.0.0-p0/bin/chef-client:23:in `<main>'
	from /usr/local/rvm/gems/ruby-2.0.0-p0/bin/ruby_noexec_wrapper:14:in `eval'
	from /usr/local/rvm/gems/ruby-2.0.0-p0/bin/ruby_noexec_wrapper:14:in `<main>'