$ rake package --trace
(in /Users/roman/Documents/trabajo/personal/merb-project/src/webrat)
** Invoke package (first_time)
** Invoke pkg/webrat-0.2.2.tgz (first_time)
** Invoke pkg/webrat-0.2.2 (first_time)
** Invoke History.txt (first_time, not_needed)
** Invoke MIT-LICENSE.txt (first_time, not_needed)
** Invoke Manifest.txt (first_time, not_needed)
** Invoke README.txt (first_time, not_needed)
** Invoke Rakefile (first_time, not_needed)
** Invoke TODO.txt (first_time, not_needed)
** Invoke init.rb (first_time, not_needed)
** Invoke install.rb (first_time, not_needed)
** Invoke lib/webrat.rb (first_time, not_needed)
** Invoke lib/webrat/core.rb (first_time, not_needed)
** Invoke lib/webrat/core/area.rb (first_time, not_needed)
** Invoke lib/webrat/core/assertions.rb (first_time, not_needed)
** Invoke lib/webrat/core/field.rb (first_time, not_needed)
** Invoke lib/webrat/core/flunk.rb (first_time, not_needed)
** Invoke lib/webrat/core/form.rb (first_time, not_needed)
** Invoke lib/webrat/core/label.rb (first_time, not_needed)
** Invoke lib/webrat/core/link.rb (first_time, not_needed)
** Invoke lib/webrat/core/logging.rb (first_time, not_needed)
** Invoke lib/webrat/core/mime.rb (first_time, not_needed)
** Invoke lib/webrat/core/scope.rb (first_time, not_needed)
** Invoke lib/webrat/core/select_option.rb (first_time, not_needed)
** Invoke lib/webrat/core/session.rb (first_time, not_needed)
** Invoke lib/webrat/core_extensions/blank.rb (first_time, not_needed)
** Invoke lib/webrat/core_extensions/hash_with_indifferent_access.rb (first_time, not_needed)
** Invoke lib/webrat/core_extensions/nil_to_param.rb (first_time, not_needed)
** Invoke lib/webrat/mechanize.rb (first_time, not_needed)
** Invoke lib/webrat/mechanize/mechanize_session.rb (first_time, not_needed)
** Invoke lib/webrat/merb.rb (first_time, not_needed)
** Invoke lib/webrat/merb/param_parser.rb (first_time, not_needed)
** Invoke lib/webrat/merb/url_encoded_pair_parser.rb (first_time, not_needed)
** Invoke lib/webrat/rack/rack_session.rb (first_time, not_needed)
** Invoke lib/webrat/rails.rb (first_time, not_needed)
** Invoke lib/webrat/rails/rails_session.rb (first_time, not_needed)
** Invoke lib/webrat/rails/redirect_actions.rb (first_time, not_needed)
** Invoke lib/webrat/rails/session.rb (first_time, not_needed)
rake aborted!
Don't know how to build task 'lib/webrat/rake/hoe.rb'
/opt/local/lib/ruby/gems/1.8/gems/rake-0.8.3/lib/rake.rb:1706:in `[]'
/opt/local/lib/ruby/gems/1.8/gems/rake-0.8.3/lib/rake.rb:586:in `invoke_prerequisites'
/opt/local/lib/ruby/gems/1.8/gems/rake-0.8.3/lib/rake.rb:585:in `each'
/opt/local/lib/ruby/gems/1.8/gems/rake-0.8.3/lib/rake.rb:585:in `invoke_prerequisites'
/opt/local/lib/ruby/gems/1.8/gems/rake-0.8.3/lib/rake.rb:577:in `invoke_with_call_chain'
/opt/local/lib/ruby/1.8/monitor.rb:242:in `synchronize'
/opt/local/lib/ruby/gems/1.8/gems/rake-0.8.3/lib/rake.rb:571:in `invoke_with_call_chain'
/opt/local/lib/ruby/gems/1.8/gems/rake-0.8.3/lib/rake.rb:588:in `invoke_prerequisites'
/opt/local/lib/ruby/gems/1.8/gems/rake-0.8.3/lib/rake.rb:585:in `each'
/opt/local/lib/ruby/gems/1.8/gems/rake-0.8.3/lib/rake.rb:585:in `invoke_prerequisites'
/opt/local/lib/ruby/gems/1.8/gems/rake-0.8.3/lib/rake.rb:577:in `invoke_with_call_chain'
/opt/local/lib/ruby/1.8/monitor.rb:242:in `synchronize'
/opt/local/lib/ruby/gems/1.8/gems/rake-0.8.3/lib/rake.rb:571:in `invoke_with_call_chain'
/opt/local/lib/ruby/gems/1.8/gems/rake-0.8.3/lib/rake.rb:588:in `invoke_prerequisites'
/opt/local/lib/ruby/gems/1.8/gems/rake-0.8.3/lib/rake.rb:585:in `each'
/opt/local/lib/ruby/gems/1.8/gems/rake-0.8.3/lib/rake.rb:585:in `invoke_prerequisites'
/opt/local/lib/ruby/gems/1.8/gems/rake-0.8.3/lib/rake.rb:577:in `invoke_with_call_chain'
/opt/local/lib/ruby/1.8/monitor.rb:242:in `synchronize'
/opt/local/lib/ruby/gems/1.8/gems/rake-0.8.3/lib/rake.rb:571:in `invoke_with_call_chain'
/opt/local/lib/ruby/gems/1.8/gems/rake-0.8.3/lib/rake.rb:564:in `invoke'
/opt/local/lib/ruby/gems/1.8/gems/rake-0.8.3/lib/rake.rb:2019:in `invoke_task'
/opt/local/lib/ruby/gems/1.8/gems/rake-0.8.3/lib/rake.rb:1997:in `top_level'
/opt/local/lib/ruby/gems/1.8/gems/rake-0.8.3/lib/rake.rb:1997:in `each'
/opt/local/lib/ruby/gems/1.8/gems/rake-0.8.3/lib/rake.rb:1997:in `top_level'
/opt/local/lib/ruby/gems/1.8/gems/rake-0.8.3/lib/rake.rb:2036:in `standard_exception_handling'
/opt/local/lib/ruby/gems/1.8/gems/rake-0.8.3/lib/rake.rb:1991:in `top_level'
/opt/local/lib/ruby/gems/1.8/gems/rake-0.8.3/lib/rake.rb:1970:in `run'
/opt/local/lib/ruby/gems/1.8/gems/rake-0.8.3/lib/rake.rb:2036:in `standard_exception_handling'
/opt/local/lib/ruby/gems/1.8/gems/rake-0.8.3/lib/rake.rb:1967:in `run'
/opt/local/lib/ruby/gems/1.8/gems/rake-0.8.3/bin/rake:31
/opt/local/bin/rake:19:in `load'
/opt/local/bin/rake:19