title: Error running '__rvm_make install'
body: <p>I'm new to programming trying to add Ruby 2.2 using RVM and receiving the below error.  I've run rvm get stable and tried reinstalling, but getting the same error.</p>
  
  <pre><code>$ rvm reinstall ruby-2.2.0
  Searching for binary rubies, this might take some time.
  No binary rubies available for: osx/10.10/x86_64/ruby-2.2.0.
  Continuing with compilation. Please read 'rvm help mount' to get more information on binary rubies.
  Checking requirements for osx.
  Installing requirements for osx.
  Updating system.....
  Installing required packages: autoconf, automake, libtool, pkg-config, libyaml, readline, libksba, openssl........
  Certificates in '/usr/local/etc/openssl/cert.pem' are already up to date.
  Requirements installation successful.
  Installing Ruby from source to: /usr/local/rvm/rubies/ruby-2.2.0, this may take a while depending on your cpu(s)...
  ruby-2.2.0 - #downloading ruby-2.2.0, this may take a while depending on your connection...
    % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                   Dload  Upload   Total   Spent    Left  Speed
  100 12.6M  100 12.6M    0     0   892k      0  0:00:14  0:00:14 --:--:-- 1518k
  ruby-2.2.0 - #extracting ruby-2.2.0 to /usr/local/rvm/src/ruby-2.2.0....
  ruby-2.2.0 - #applying patch /usr/local/rvm/patches/ruby/2.2.0/fix_installing_bundled_gems.patch.
  ruby-2.2.0 - #configuring..........................................................
  ruby-2.2.0 - #post-configuration.
  ruby-2.2.0 - #compiling.............................................................
  ruby-2.2.0 - #installing..........
  Error running '__rvm_make install',
  showing last 15 lines of /usr/local/rvm/log/1420687911_ruby-2.2.0/install.log
                                psych 2.0.8
                                rake 10.4.2
                                rdoc 4.2.0
  installing bundle gems:       /usr/local/rvm/rubies/ruby-2.2.0/lib/ruby/gems/2.2.0 (build_info, cache, doc, extensions, gems, specifications)
                                minitest-5.4.3.gem
                                power_assert-0.2.2.gem
                                test-unit-3.0.8.gem
  ./tool/rbinstall.rb:723:in `chmod': Operation not permitted @ chmod_internal - /usr/local/rvm/gems/ruby-1.9.3-p392/ (Errno::EPERM)
      from ./tool/rbinstall.rb:723:in `block in &lt;main&gt;'
      from ./tool/rbinstall.rb:749:in `call'
      from ./tool/rbinstall.rb:749:in `block in &lt;main&gt;'
      from ./tool/rbinstall.rb:746:in `each'
      from ./tool/rbinstall.rb:746:in `&lt;main&gt;'
  make: *** [do-install-nodoc] Error 1
  ++ return 2
  There has been an error while running make install. Halting the installation.
  </code></pre>