Error trying to install ruby-1.9.3-p286 via RVM

gistfile1.txt

[2012-10-19 09:58:27] make install
./miniruby -I./lib -I. -I.ext/common  ./tool/rbinstall.rb --make="make" --dest-dir="" --extout=".ext" --mflags="" --make-flags="" --data-mode=0644 --prog-mode=0755 --installed-list .installed.list --mantype="doc"
installing binary commands:   /Users/craigc/.rvm/rubies/ruby-1.9.3-p286/bin
installing base libraries:    /Users/craigc/.rvm/rubies/ruby-1.9.3-p286/lib
installing arch files:        /Users/craigc/.rvm/rubies/ruby-1.9.3-p286/lib/ruby/1.9.1/x86_64-darwin12.2.0
installing pkgconfig data:    /Users/craigc/.rvm/rubies/ruby-1.9.3-p286/lib/pkgconfig
installing command scripts:   /Users/craigc/.rvm/rubies/ruby-1.9.3-p286/bin
installing library scripts:   /Users/craigc/.rvm/rubies/ruby-1.9.3-p286/lib/ruby/1.9.1
installing common headers:    /Users/craigc/.rvm/rubies/ruby-1.9.3-p286/include/ruby-1.9.1
installing manpages:          /Users/craigc/.rvm/rubies/ruby-1.9.3-p286/share/man/man1
installing extension objects: /Users/craigc/.rvm/rubies/ruby-1.9.3-p286/lib/ruby/1.9.1/x86_64-darwin12.2.0
installing extension objects: /Users/craigc/.rvm/rubies/ruby-1.9.3-p286/lib/ruby/site_ruby/1.9.1/x86_64-darwin12.2.0
installing extension objects: /Users/craigc/.rvm/rubies/ruby-1.9.3-p286/lib/ruby/vendor_ruby/1.9.1/x86_64-darwin12.2.0
installing extension headers: /Users/craigc/.rvm/rubies/ruby-1.9.3-p286/include/ruby-1.9.1/x86_64-darwin12.2.0
installing extension scripts: /Users/craigc/.rvm/rubies/ruby-1.9.3-p286/lib/ruby/1.9.1
installing extension scripts: /Users/craigc/.rvm/rubies/ruby-1.9.3-p286/lib/ruby/site_ruby/1.9.1
installing extension scripts: /Users/craigc/.rvm/rubies/ruby-1.9.3-p286/lib/ruby/vendor_ruby/1.9.1
installing extension headers: /Users/craigc/.rvm/rubies/ruby-1.9.3-p286/include/ruby-1.9.1/ruby
installing default gems:      /Users/craigc/.rvm/rubies/ruby-1.9.3-p286/lib/ruby/gems/1.9.1 (cache, doc, gems, specifications)
/Users/craigc/.rvm/src/ruby-1.9.3-p286/lib/fileutils.rb:244:in `mkdir': File exists - /Users/craigc/.rvm/rubies/ruby-1.9.3-p286/lib/ruby/gems/1.9.1 (Errno::EEXIST)

    from /Users/craigc/.rvm/src/ruby-1.9.3-p286/lib/fileutils.rb:244:in `fu_mkdir'
    from /Users/craigc/.rvm/src/ruby-1.9.3-p286/lib/fileutils.rb:221:in `block (2 levels) in mkdir_p'
    from /Users/craigc/.rvm/src/ruby-1.9.3-p286/lib/fileutils.rb:219:in `reverse_each'
    from /Users/craigc/.rvm/src/ruby-1.9.3-p286/lib/fileutils.rb:219:in `block in mkdir_p'
    from /Users/craigc/.rvm/src/ruby-1.9.3-p286/lib/fileutils.rb:205:in `each'
    from /Users/craigc/.rvm/src/ruby-1.9.3-p286/lib/fileutils.rb:205:in `mkdir_p'
    from ./tool/rbinstall.rb:183:in `makedirs'
    from ./tool/rbinstall.rb:284:in `prepare'
    from ./tool/rbinstall.rb:539:in `block in <main>'
    from ./tool/rbinstall.rb:597:in `call'
    from ./tool/rbinstall.rb:597:in `block (2 levels) in <main>'
    from ./tool/rbinstall.rb:594:in `each'
    from ./tool/rbinstall.rb:594:in `block in <main>'
    from ./tool/rbinstall.rb:590:in `each'
    from ./tool/rbinstall.rb:590:in `<main>'
make: *** [do-install-nodoc] Error 1