rubygems log

$ cat /Users/aleksi/.rvm/log/ruby-1.8.6-p420/rubygems.install.log
[2011-03-21 18:18:18] GEM_PATH='/Users/aleksi/.rvm/gems/ruby-1.8.6-p420:/Users/aleksi/.rvm/gems/ruby-1.8.6-p420@global:/Users/aleksi/.rvm/gems/ruby-1.8.6-p420@global' GEM_HOME='/Users/aleksi/.rvm/gems/ruby-1.8.6-p420' /Users/aleksi/.rvm/rubies/ruby-1.8.6-p420/bin/ruby /Users/aleksi/.rvm/src/rubygems-1.6.2/setup.rb
./lib/rubygems/custom_require.rb:54: warning: parenthesize argument(s) for future version
./lib/rubygems/custom_require.rb:57:in `require': undefined method `end_with?' for "no such file to load -- Win32API":String (NoMethodError)
	from ./lib/rubygems/config_file.rb:55
	from ./lib/rubygems/custom_require.rb:36:in `gem_original_require'
	from ./lib/rubygems/custom_require.rb:36:in `require'
	from ./lib/rubygems/gem_runner.rb:8
	from ./lib/rubygems/custom_require.rb:36:in `gem_original_require'
	from ./lib/rubygems/custom_require.rb:36:in `require'
	from /Users/aleksi/.rvm/src/rubygems-1.6.2/setup.rb:25

rvm log

$ rvm install 1.8.6
Installing Ruby from source to: /Users/aleksi/.rvm/rubies/ruby-1.8.6-p420, this may take a while depending on your cpu(s)...

ruby-1.8.6-p420 - #fetching 
ruby-1.8.6-p420 - #extracting ruby-1.8.6-p420 to /Users/aleksi/.rvm/src/ruby-1.8.6-p420
ruby-1.8.6-p420 - #extracted to /Users/aleksi/.rvm/src/ruby-1.8.6-p420
ruby-1.8.6-p420 - #configuring 
ruby-1.8.6-p420 - #compiling 
ruby-1.8.6-p420 - #installing 
ruby-1.8.6-p420 - #rubygems installing to ruby-1.8.6-p420
ERROR: Error running 'GEM_PATH='/Users/aleksi/.rvm/gems/ruby-1.8.6-p420:/Users/aleksi/.rvm/gems/ruby-1.8.6-p420@global:/Users/aleksi/.rvm/gems/ruby-1.8.6-p420@global' GEM_HOME='/Users/aleksi/.rvm/gems/ruby-1.8.6-p420' /Users/aleksi/.rvm/rubies/ruby-1.8.6-p420/bin/ruby /Users/aleksi/.rvm/src/rubygems-1.6.2/setup.rb', please read /Users/aleksi/.rvm/log/ruby-1.8.6-p420/rubygems.install.log
WARN: ruby-1.8.6-p420 - #warning Installation of rubygems ruby-1.8.6-p420 did not complete successfully.
ruby-1.8.6-p420 - adjusting #shebangs for (gem irb erb ri rdoc testrb rake).
ruby-1.8.6-p420 - #importing default gemsets (/Users/aleksi/.rvm/gemsets/)
Install of ruby-1.8.6-p420 - #complete