Can't require local installed gem

output

$ gem install /Users/ivaughan/dev/ianvaughan/ruby_kml/ruby_kml-0.0.1.gem      ✹ ✭master ‹1.9.3-p125›
Successfully installed ruby_kml-0.0.1
1 gem installed

$ gem list ruby_kml                                                           ✹ ✭master ‹1.9.3-p125›
*** LOCAL GEMS ***
ruby_kml (0.0.1)

$ gem contents ruby_kml                                                       ✹ ✭master ‹1.9.3-p125›
/Users/ivaughan/.rbenv/versions/1.9.3-p125/lib/ruby/gems/1.9.1/gems/ruby_kml-0.0.1/CHANGELOG
/Users/ivaughan/.rbenv/versions/1.9.3-p125/lib/ruby/gems/1.9.1/gems/ruby_kml-0.0.1/LICENSE
/Users/ivaughan/.rbenv/versions/1.9.3-p125/lib/ruby/gems/1.9.1/gems/ruby_kml-0.0.1/README.md
/Users/ivaughan/.rbenv/versions/1.9.3-p125/lib/ruby/gems/1.9.1/gems/ruby_kml-0.0.1/Rakefile
/Users/ivaughan/.rbenv/versions/1.9.3-p125/lib/ruby/gems/1.9.1/gems/ruby_kml-0.0.1/examples/melbourne-stations.kml
/Users/ivaughan/.rbenv/versions/1.9.3-p125/lib/ruby/gems/1.9.1/gems/ruby_kml-0.0.1/lib/kml.rb
...

$ ruby -v                                                                     ✹ ✭master ‹1.9.3-p125›
ruby 1.9.3p125 (2012-02-16 revision 34643) [x86_64-darwin11.3.0]


irb(main):003:0> require 'ruby_kml'
LoadError: cannot load such file -- ruby_kml
	from /Users/ivaughan/.rbenv/versions/1.9.3-p125/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb:36:in `require'
	from /Users/ivaughan/.rbenv/versions/1.9.3-p125/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb:36:in `require'
	from (irb):3
	from /Users/ivaughan/.rbenv/versions/1.9.3-p125/bin/irb:12:in `<main>'

$ find ~ -name tabelr                                                         ✹ ✭master ‹1.9.3-p125›
/Users/ivaughan/.rbenv/shims/tabelr
/Users/ivaughan/.rbenv/versions/1.9.3-p125/bin/tabelr
/Users/ivaughan/.rbenv/versions/1.9.3-p125/lib/ruby/gems/1.9.1/gems/tabelr-0.0.7/bin/tabelr
/Users/ivaughan/.rbenv/versions/1.9.3-p125/lib/ruby/gems/1.9.1/gems/tabelr-0.0.7/lib/tabelr
/Users/ivaughan/dev/ianvaughan/tabelr
/Users/ivaughan/dev/ianvaughan/tabelr/bin/tabelr
/Users/ivaughan/dev/ianvaughan/tabelr/lib/tabelr

$ find ~ -name ruby_kml                                                   1 ↵  ✹ ✭master ‹1.9.3-p125›
/Users/ivaughan/dev/ianvaughan/ruby_kml

 gem environment                                                                                              ✹ ✭master ‹1.9.3-p125›
RubyGems Environment:
  - RUBYGEMS VERSION: 1.8.17
  - RUBY VERSION: 1.9.3 (2012-02-16 patchlevel 125) [x86_64-darwin11.3.0]
  - INSTALLATION DIRECTORY: /Users/ivaughan/.rbenv/versions/1.9.3-p125/lib/ruby/gems/1.9.1
  - RUBY EXECUTABLE: /Users/ivaughan/.rbenv/versions/1.9.3-p125/bin/ruby
  - EXECUTABLE DIRECTORY: /Users/ivaughan/.rbenv/versions/1.9.3-p125/bin
  - RUBYGEMS PLATFORMS:
    - ruby
    - x86_64-darwin-11
  - GEM PATHS:
     - /Users/ivaughan/.rbenv/versions/1.9.3-p125/lib/ruby/gems/1.9.1
     - /Users/ivaughan/.gem/ruby/1.9.1
  - GEM CONFIGURATION:
     - :update_sources => true
     - :verbose => true
     - :benchmark => false
     - :backtrace => false
     - :bulk_threshold => 1000
     - "install" => "--no-rdoc --no-ri"
     - "update" => "--no-rdoc --no-ri"
  - REMOTE SOURCES:
     - http://rubygems.org/