Install Ruby 2.0.0-p247 with rbenv and erro in /tmp/ruby -

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i'm trying install ruby 2.0.0-p247 rbenv , keep getting same error no matter do. here's command , response:

➜  ~  rbenv install 2.0.0-p247                                          downloading ruby-2.0.0-p247.tar.gz... -> ftp://ftp.ruby-lang.org/pub/ruby/2.0/ruby-2.0.0-p247.tar.gz installing ruby-2.0.0-p247...  build failed  inspect or clean working tree @ /tmp/ruby-build.20130823153529.15739 results logged /tmp/ruby-build.20130823153529.15739.log  last 10 log lines:     ./tool/rbinstall.rb:242:in `each'     ./tool/rbinstall.rb:242:in `install_recursive'     ./tool/rbinstall.rb:397:in `block in <main>'     ./tool/rbinstall.rb:758:in `call'     ./tool/rbinstall.rb:758:in `block (2 levels) in <main>'     ./tool/rbinstall.rb:755:in `each'     ./tool/rbinstall.rb:755:in `block in <main>'     ./tool/rbinstall.rb:751:in `each'     ./tool/rbinstall.rb:751:in `<main>' make: ** [do-install-all] erro 1


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