求救 安装cocoapods 一直出现这个情况 提示我要大于2.2.2

[Heavengirl]

ruby-2.2.3 - #installing...........
Error running '__rvm_make install',
showing last 15 lines of /Users/Diana/.rvm/log/1470904362_ruby-2.2.3/install.log
psych 2.0.8
rake 10.4.2
rdoc 4.2.0
installing bundle gems: /Users/Diana/.rvm/rubies/ruby-2.2.3/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:728:in chmod': Operation not permitted @ chmod_internal - /Users/Diana/.rvm/rubies/ruby-2.2.3/lib/ruby/gems/2.2.0/doc/activesupport-5.0.0/ (Errno::EPERM) from ./tool/rbinstall.rb:728:inblock in

'
from ./tool/rbinstall.rb:757:in call' from ./tool/rbinstall.rb:757:inblock in '
from ./tool/rbinstall.rb:754:in each' from ./tool/rbinstall.rb:754:in'
make: *** [do-install-nodoc] Error 1
++ return 2
There has been an error while running make install. Halting the installation

[pkuczynski]

Could you please rewrite title of the issue in english?

Could you gist output of following commands:

rvm get head
rvm debug
rvm install 2.2.3

[mpapis]

Closing as there was no feedback in over 2 weeks, please feel free to reopen when you can provide the requested information.