ruby - Error running '__rvm_make install'

Question

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.

$ 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 <main>'
    from ./tool/rbinstall.rb:749:in `call'
    from ./tool/rbinstall.rb:749:in `block in <main>'
    from ./tool/rbinstall.rb:746:in `each'
    from ./tool/rbinstall.rb:746:in `<main>'
make: *** [do-install-nodoc] Error 1
++ return 2
There has been an error while running make install. Halting the installation.

Answer 1

Try to update your rvm using command

rvm get head

Then try again. Hopefully it should work.