rake install returns "no such file to load -- rake/dsl"

[pcting]

$ rake install --trace
Invalid gemspec in [/home/XXXXXXXXX/.rvm/gems/ruby-1.9.2-p180/specifications/rspec-core-2.6.2.gemspec]: invalid date format in specification: "2011-05-21 00:00:00.000000000Z"
rake aborted!
no such file to load -- rake/dsl
/home/XXXXXXXXX/.rvm/rubies/ruby-1.9.2-p180/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb:36:in require' /home/XXXXXXXXX/.rvm/rubies/ruby-1.9.2-p180/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb:36:inrequire'
/home/XXXXXXXXX/.rvm/gems/ruby-1.9.2-p180/gems/echoe-4.6.0/lib/echoe.rb:6:in <top (required)>' /home/XXXXXXXXX/.rvm/rubies/ruby-1.9.2-p180/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb:59:inrequire'
/home/XXXXXXXXX/.rvm/rubies/ruby-1.9.2-p180/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb:59:in rescue in require' /home/XXXXXXXXX/.rvm/rubies/ruby-1.9.2-p180/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb:35:inrequire'
/home/XXXXXXXXX/code/github-pcting/mediainfo-ruby/Rakefile:3:in <top (required)>' /home/XXXXXXXXX/.rvm/gems/ruby-1.9.2-p180/gems/rake-0.9.1/lib/rake/rake_module.rb:25:inload'
/home/XXXXXXXXX/.rvm/gems/ruby-1.9.2-p180/gems/rake-0.9.1/lib/rake/rake_module.rb:25:in load_rakefile' /home/XXXXXXXXX/.rvm/gems/ruby-1.9.2-p180/gems/rake-0.9.1/lib/rake/application.rb:495:inraw_load_rakefile'
/home/XXXXXXXXX/.rvm/gems/ruby-1.9.2-p180/gems/rake-0.9.1/lib/rake/application.rb:78:in block in load_rakefile' /home/XXXXXXXXX/.rvm/gems/ruby-1.9.2-p180/gems/rake-0.9.1/lib/rake/application.rb:129:instandard_exception_handling'
/home/XXXXXXXXX/.rvm/gems/ruby-1.9.2-p180/gems/rake-0.9.1/lib/rake/application.rb:77:in load_rakefile' /home/XXXXXXXXX/.rvm/gems/ruby-1.9.2-p180/gems/rake-0.9.1/lib/rake/application.rb:61:inblock in run'
/home/XXXXXXXXX/.rvm/gems/ruby-1.9.2-p180/gems/rake-0.9.1/lib/rake/application.rb:129:in standard_exception_handling' /home/XXXXXXXXX/.rvm/gems/ruby-1.9.2-p180/gems/rake-0.9.1/lib/rake/application.rb:59:inrun'
/home/XXXXXXXXX/.rvm/gems/ruby-1.9.2-p180/gems/rake-0.9.1/bin/rake:32:in <top (required)>' /home/XXXXXXXXX/.rvm/gems/ruby-1.9.2-p180/bin/rake:19:inload'
/home/XXXXXXXXX/.rvm/gems/ruby-1.9.2-p180/bin/rake:19:in `

'

[hackerdude]

Odd. Did you try just installing the gem?

$ rvm use 1.9.2@mediainfo_tests
Using /Users/david/.rvm/gems/ruby-1.9.2-p0 with gemset mediainfo_tests
$ gem install mediainfo-ruby
Building native extensions. This could take a while...
Successfully installed rice-1.4.2
Successfully installed mediainfo-ruby-0.2.0
2 gems installed
Installing ri documentation for rice-1.4.2...
Installing ri documentation for mediainfo-ruby-0.2.0...
Installing RDoc documentation for rice-1.4.2...
Installing RDoc documentation for mediainfo-ruby-0.2.0...

I haven't tried using rake myself from in there.