rake cucumber --trace
output:
/usr/bin/ruby1.8 -I "/home/vadim/.bundle/ruby/1.8/gems/cucumber-0.8.3/lib:lib" "/home/vadim/.bundle/ruby/1.8/gems/cucumber-0.8.3/bin/cucumber"  --profile default
Using the default profile...
...
Given I signed up with "username/[email protected]/password" # features/step_definitions/clearance_steps.rb:13
      undefined method `Factory' for #<Cucumber::Rails::World:0x..fdb6a5bc0> (NoMethodError)
      ./features/step_definitions/clearance_steps.rb:14:in `/^I signed up with "(.*)\/(.*)\/(.*)"$/'
      features/sign_in.feature:14:in `Given I signed up with "username/[email protected]/password"
...
13 scenarios (13 failed)
83 steps (13 failed, 70 skipped)
0m0.769s
rake aborted!
Command failed with status (1): [/usr/bin/ruby1.8 -I "/home/vadim/.bundle/r...]
/usr/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:995
/usr/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:1010:in `call'
/usr/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:1010:in `sh'
/usr/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:1094:in `sh'
/usr/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:1029:in `ruby'
/usr/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:1094:in `ruby'
/home/vadim/.bundle/ruby/1.8/gems/cucumber-0.8.3/lib/cucumber/rake/task.rb:68:in `run'
/home/vadim/.bundle/ruby/1.8/gems/cucumber-0.8.3/lib/cucumber/rake/task.rb:138
/usr/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:636:in `call'
/usr/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:636:in `execute'
/usr/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:631:in `each'
/usr/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:631:in `execute'
/usr/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:597:in `invoke_with_call_chain'
/usr/lib/ruby/1.8/monitor.rb:242:in `synchronize'
/usr/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:590:in `invoke_with_call_chain'
/usr/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:607:in `invoke_prerequisites'
/usr/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:604:in `each'
/usr/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:604:in `invoke_prerequisites'
/usr/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:596:in `invoke_with_call_chain'
/usr/lib/ruby/1.8/monitor.rb:242:in `synchronize'
/usr/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:590:in `invoke_with_call_chain'
/usr/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:583:in `invoke'
/usr/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2051:in `invoke_task'
/usr/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2029:in `top_level'
/usr/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2029:in `each'
/usr/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2029:in `top_level'
/usr/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2068:in `standard_exception_handling'
/usr/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2023:in `top_level'
/usr/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2001:in `run'
/usr/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2068:in `standard_exception_handling'
/usr/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:1998:in `run'
/usr/lib/ruby/gems/1.8/gems/rake-0.8.7/bin/rake:31
/usr/bin/rake:19:in `load'
/usr/bin/rake:19
System: Rails 2.3.5 running on Ubuntu 9.04
bundler (0.9.26) RubyGems 1.3.7 ruby 1.8.7 (2010-01-10 patchlevel 249) [i486-linux]
Gemfile
source :rubygems
gem "rails", "2.3.5"
gem "mysql"
gem "clearance"
gem "formtastic"
gem "haml"
gem "geokit"
group :development do
  gem "mongrel"
end
group :test do
  gem "factory_girl"
  gem 'rspec', '>=1.3.0'
  gem 'rspec-rails', '>=1.3.2'
end
group :cucumber do
  gem "factory_girl"
  gem 'cucumber-rails', '>=0.3.0'
  gem 'database_cleaner', '>=0.5.0'
  gem 'webrat', '>=0.7.0'
  gem 'rspec', '>=1.3.0'
  gem 'rspec-rails', '>=1.3.2'
end
Bundle Install Output
Using rake (0.8.7) from bundler gems 
Using activesupport (2.3.5) from bundler gems 
Using rack (1.0.1) from bundler gems 
Using actionpack (2.3.5) from bundler gems 
Using actionmailer (2.3.5) from bundler gems 
Using activerecord (2.3.5) from bundler gems 
Using activeresource (2.3.5) from bundler gems 
Using builder (2.1.2) from bundler gems 
Using cgi_multipart_eof_fix (2.5.0) from bundler gems 
Using clearance (0.8.8) from bundler gems 
Using diff-lcs (1.1.2) from bundler gems 
Using trollop (1.16.2) from bundler gems 
Using gherkin (2.0.2) from bundler gems 
Using json_pure (1.4.3) from bundler gems 
Using term-ansicolor (1.0.5) from bundler gems 
Using cucumber (0.8.3) from bundler gems 
Using cucumber-rails (0.3.2) from bundler gems 
Using daemons (1.1.0) from bundler gems 
Using database_cleaner (0.5.2) from bundler gems 
Using factory_girl (1.3.1) from bundler gems 
Using fastthread (1.0.7) from bundler gems 
Using formtastic (0.9.10) from bundler gems 
Using gem_plugin (0.2.3) from bundler gems 
Using geokit (1.5.0) from bundler gems 
Using haml (3.0.13) from bundler gems 
Using mongrel (1.1.5) from bundler gems 
Using mysql (2.8.1) from bundler gems 
Using nokogiri (1.4.2) from bundler gems 
Using rack-test (0.5.4) from bundler gems 
Using rails (2.3.5) from bundler gems 
Using rspec (1.3.0) from bundler gems 
Using rspec-rails (1.3.2) from bundler gems 
Using webrat (0.7.1) from bundler gems 
Your bundle is complete! Use `bundle show [gemname]` to see where a bundled gem is installed.
Any ideas?
Thanks!