Gitlab ci installation error - ruby-on-rails

why do i get this error when installing gitlab ci below when i install gitlab-ci
can any one put me in right direction i have done mothing from the installation page and will like to use postgress which is on a remote server and nginx which is also on a remote server:
Thanks
rake aborted!
Errno::EBADF: Bad file descriptor # fptr_finalize - /home/gitlab_ci/gitlab-ci/vendor/bundle/ruby/2.1.0/gems/backports-3.3.5/lib/backports/1.9.1/io/open.rb
/home/gitlab_ci/gitlab-ci/vendor/bundle/ruby/2.1.0/gems/backports-3.3.5/lib/backports/1.9.1/io/open.rb:2:in `close'
/home/gitlab_ci/gitlab-ci/vendor/bundle/ruby/2.1.0/gems/backports-3.3.5/lib/backports/1.9.1/io/open.rb:2:in `open'
/home/gitlab_ci/gitlab-ci/vendor/bundle/ruby/2.1.0/gems/backports-3.3.5/lib/backports/1.9.1/io/open.rb:2:in `<top (required)>'
/home/gitlab_ci/gitlab-ci/vendor/bundle/ruby/2.1.0/gems/backports-3.3.5/lib/backports/tools.rb:328:in `require'
/home/gitlab_ci/gitlab-ci/vendor/bundle/ruby/2.1.0/gems/backports-3.3.5/lib/backports/tools.rb:328:in `require_with_backports'
/home/gitlab_ci/gitlab-ci/vendor/bundle/ruby/2.1.0/gems/activesupport-4.0.5/lib/active_support/dependencies.rb:229:in `block in require'
/home/gitlab_ci/gitlab-ci/vendor/bundle/ruby/2.1.0/gems/activesupport-4.0.5/lib/active_support/dependencies.rb:214:in `load_dependency'
/home/gitlab_ci/gitlab-ci/vendor/bundle/ruby/2.1.0/gems/activesupport-4.0.5/lib/active_support/dependencies.rb:229:in `require'
/home/gitlab_ci/gitlab-ci/vendor/bundle/ruby/2.1.0/gems/backports-3.3.5/lib/backports/tools.rb:22:in `block in require_relative_dir'
/home/gitlab_ci/gitlab-ci/vendor/bundle/ruby/2.1.0/gems/backports-3.3.5/lib/backports/tools.rb:21:in `each'
/home/gitlab_ci/gitlab-ci/vendor/bundle/ruby/2.1.0/gems/backports-3.3.5/lib/backports/tools.rb:21:in `require_relative_dir'
/home/gitlab_ci/gitlab-ci/vendor/bundle/ruby/2.1.0/gems/backports-3.3.5/lib/backports/1.9.1/io.rb:3:in `<top (required)>'
/home/gitlab_ci/gitlab-ci/vendor/bundle/ruby/2.1.0/gems/backports-3.3.5/lib/backports/tools.rb:328:in `require'
/home/gitlab_ci/gitlab-ci/vendor/bundle/ruby/2.1.0/gems/backports-3.3.5/lib/backports/tools.rb:328:in `require_with_backports'
/home/gitlab_ci/gitlab-ci/vendor/bundle/ruby/2.1.0/gems/activesupport-4.0.5/lib/active_support/dependencies.rb:229:in `block in require'
/home/gitlab_ci/gitlab-ci/vendor/bundle/ruby/2.1.0/gems/activesupport-4.0.5/lib/active_support/dependencies.rb:214:in `load_dependency'
/home/gitlab_ci/gitlab-ci/vendor/bundle/ruby/2.1.0/gems/activesupport-4.0.5/lib/active_support/dependencies.rb:229:in `require'
/home/gitlab_ci/gitlab-ci/vendor/bundle/ruby/2.1.0/gems/backports-3.3.5/lib/backports/tools.rb:22:in `block in require_relative_dir'
/home/gitlab_ci/gitlab-ci/vendor/bundle/ruby/2.1.0/gems/backports-3.3.5/lib/backports/tools.rb:21:in `each'
/home/gitlab_ci/gitlab-ci/vendor/bundle/ruby/2.1.0/gems/backports-3.3.5/lib/backports/tools.rb:21:in `require_relative_dir'
/home/gitlab_ci/gitlab-ci/vendor/bundle/ruby/2.1.0/gems/backports-3.3.5/lib/backports/1.9.1.rb:3:in `<top (required)>'
/home/gitlab_ci/gitlab-ci/vendor/bundle/ruby/2.1.0/gems/backports-3.3.5/lib/backports/tools.rb:328:in `require'
/home/gitlab_ci/gitlab-ci/vendor/bundle/ruby/2.1.0/gems/backports-3.3.5/lib/backports/tools.rb:328:in `require_with_backports'
/home/gitlab_ci/gitlab-ci/vendor/bundle/ruby/2.1.0/gems/activesupport-4.0.5/lib/active_support/dependencies.rb:229:in `block in require'
/home/gitlab_ci/gitlab-ci/vendor/bundle/ruby/2.1.0/gems/activesupport-4.0.5/lib/active_support/dependencies.rb:214:in `load_dependency'
/home/gitlab_ci/gitlab-ci/vendor/bundle/ruby/2.1.0/gems/activesupport-4.0.5/lib/active_support/dependencies.rb:229:in `require'
/home/gitlab_ci/gitlab-ci/vendor/bundle/ruby/2.1.0/gems/backports-3.3.5/lib/backports/1.9.2.rb:2:in `<top (required)>'
/home/gitlab_ci/gitlab-ci/vendor/bundle/ruby/2.1.0/gems/backports-3.3.5/lib/backports/tools.rb:328:in `require'
/home/gitlab_ci/gitlab-ci/vendor/bundle/ruby/2.1.0/gems/backports-3.3.5/lib/backports/tools.rb:328:in `require_with_backports'
/home/gitlab_ci/gitlab-ci/vendor/bundle/ruby/2.1.0/gems/activesupport-4.0.5/lib/active_support/dependencies.rb:229:in `block in require'
/home/gitlab_ci/gitlab-ci/vendor/bundle/ruby/2.1.0/gems/activesupport-4.0.5/lib/active_support/dependencies.rb:214:in `load_dependency'
/home/gitlab_ci/gitlab-ci/vendor/bundle/ruby/2.1.0/gems/activesupport-4.0.5/lib/active_support/dependencies.rb:229:in `require'
/home/gitlab_ci/gitlab-ci/vendor/bundle/ruby/2.1.0/gems/backports-3.3.5/lib/backports/1.9.3.rb:2:in `<top (required)>'
/home/gitlab_ci/gitlab-ci/vendor/bundle/ruby/2.1.0/gems/backports-3.3.5/lib/backports/tools.rb:328:in `require'
/home/gitlab_ci/gitlab-ci/vendor/bundle/ruby/2.1.0/gems/backports-3.3.5/lib/backports/tools.rb:328:in `require_with_backports'
/home/gitlab_ci/gitlab-ci/vendor/bundle/ruby/2.1.0/gems/activesupport-4.0.5/lib/active_support/dependencies.rb:229:in `block in require'
/home/gitlab_ci/gitlab-ci/vendor/bundle/ruby/2.1.0/gems/activesupport-4.0.5/lib/active_support/dependencies.rb:214:in `load_dependency'
/home/gitlab_ci/gitlab-ci/vendor/bundle/ruby/2.1.0/gems/activesupport-4.0.5/lib/active_support/dependencies.rb:229:in `require'
/home/gitlab_ci/gitlab-ci/vendor/bundle/ruby/2.1.0/gems/backports-3.3.5/lib/backports/1.9.rb:2:in `<top (required)>'
/home/gitlab_ci/gitlab-ci/vendor/bundle/ruby/2.1.0/gems/backports-3.3.5/lib/backports/tools.rb:328:in `require'
/home/gitlab_ci/gitlab-ci/vendor/bundle/ruby/2.1.0/gems/backports-3.3.5/lib/backports/tools.rb:328:in `require_with_backports'
/home/gitlab_ci/gitlab-ci/vendor/bundle/ruby/2.1.0/gems/activesupport-4.0.5/lib/active_support/dependencies.rb:229:in `block in require'
/home/gitlab_ci/gitlab-ci/vendor/bundle/ruby/2.1.0/gems/activesupport-4.0.5/lib/active_support/dependencies.rb:214:in `load_dependency'
/home/gitlab_ci/gitlab-ci/vendor/bundle/ruby/2.1.0/gems/activesupport-4.0.5/lib/active_support/dependencies.rb:229:in `require'
/home/gitlab_ci/gitlab-ci/vendor/bundle/ruby/2.1.0/gems/backports-3.3.5/lib/backports/2.0.0.rb:2:in `<top (required)>'
/home/gitlab_ci/gitlab-ci/vendor/bundle/ruby/2.1.0/gems/backports-3.3.5/lib/backports/tools.rb:328:in `require'
/home/gitlab_ci/gitlab-ci/vendor/bundle/ruby/2.1.0/gems/backports-3.3.5/lib/backports/tools.rb:328:in `require_with_backports'
/home/gitlab_ci/gitlab-ci/vendor/bundle/ruby/2.1.0/gems/activesupport-4.0.5/lib/active_support/dependencies.rb:229:in `block in require'
/home/gitlab_ci/gitlab-ci/vendor/bundle/ruby/2.1.0/gems/activesupport-4.0.5/lib/active_support/dependencies.rb:214:in `load_dependency'
/home/gitlab_ci/gitlab-ci/vendor/bundle/ruby/2.1.0/gems/activesupport-4.0.5/lib/active_support/dependencies.rb:229:in `require'
/home/gitlab_ci/gitlab-ci/vendor/bundle/ruby/2.1.0/gems/backports-3.3.5/lib/backports/2.0.rb:2:in `<top (required)>'
/home/gitlab_ci/gitlab-ci/vendor/bundle/ruby/2.1.0/gems/backports-3.3.5/lib/backports/tools.rb:328:in `require'
/home/gitlab_ci/gitlab-ci/vendor/bundle/ruby/2.1.0/gems/backports-3.3.5/lib/backports/tools.rb:328:in `require_with_backports'
/home/gitlab_ci/gitlab-ci/vendor/bundle/ruby/2.1.0/gems/activesupport-4.0.5/lib/active_support/dependencies.rb:229:in `block in require'
/home/gitlab_ci/gitlab-ci/vendor/bundle/ruby/2.1.0/gems/activesupport-4.0.5/lib/active_support/dependencies.rb:214:in `load_dependency'
/home/gitlab_ci/gitlab-ci/vendor/bundle/ruby/2.1.0/gems/activesupport-4.0.5/lib/active_support/dependencies.rb:229:in `require'
/home/gitlab_ci/gitlab-ci/vendor/bundle/ruby/2.1.0/gems/backports-3.3.5/lib/backports.rb:3:in `<top (required)>'
/home/gitlab_ci/gitlab-ci/vendor/bundle/ruby/2.1.0/gems/activesupport-4.0.5/lib/active_support/dependencies.rb:229:in `require'
/home/gitlab_ci/gitlab-ci/vendor/bundle/ruby/2.1.0/gems/activesupport-4.0.5/lib/active_support/dependencies.rb:229:in `block in require'
/home/gitlab_ci/gitlab-ci/vendor/bundle/ruby/2.1.0/gems/activesupport-4.0.5/lib/active_support/dependencies.rb:214:in `load_dependency'
/home/gitlab_ci/gitlab-ci/vendor/bundle/ruby/2.1.0/gems/activesupport-4.0.5/lib/active_support/dependencies.rb:229:in `require'
/home/gitlab_ci/gitlab-ci/vendor/bundle/ruby/2.1.0/gems/coercible-0.2.0/lib/coercible.rb:16:in `<top (required)>'
/home/gitlab_ci/gitlab-ci/vendor/bundle/ruby/2.1.0/gems/activesupport-4.0.5/lib/active_support/dependencies.rb:229:in `require'
/home/gitlab_ci/gitlab-ci/vendor/bundle/ruby/2.1.0/gems/activesupport-4.0.5/lib/active_support/dependencies.rb:229:in `block in require'
/home/gitlab_ci/gitlab-ci/vendor/bundle/ruby/2.1.0/gems/activesupport-4.0.5/lib/active_support/dependencies.rb:214:in `load_dependency'
/home/gitlab_ci/gitlab-ci/vendor/bundle/ruby/2.1.0/gems/activesupport-4.0.5/lib/active_support/dependencies.rb:229:in `require'
/home/gitlab_ci/gitlab-ci/vendor/bundle/ruby/2.1.0/gems/virtus-1.0.0/lib/virtus.rb:225:in `<top (required)>'
/home/gitlab_ci/gitlab-ci/vendor/bundle/ruby/2.1.0/gems/activesupport-4.0.5/lib/active_support/dependencies.rb:229:in `require'
/home/gitlab_ci/gitlab-ci/vendor/bundle/ruby/2.1.0/gems/activesupport-4.0.5/lib/active_support/dependencies.rb:229:in `block in require'
/home/gitlab_ci/gitlab-ci/vendor/bundle/ruby/2.1.0/gems/activesupport-4.0.5/lib/active_support/dependencies.rb:214:in `load_dependency'
/home/gitlab_ci/gitlab-ci/vendor/bundle/ruby/2.1.0/gems/activesupport-4.0.5/lib/active_support/dependencies.rb:229:in `require'
/home/gitlab_ci/gitlab-ci/vendor/bundle/ruby/2.1.0/gems/grape-0.6.1/lib/grape.rb:17:in `<top (required)>'
/home/gitlab_ci/gitlab-ci/config/application.rb:5:in `<top (required)>'
/home/gitlab_ci/gitlab-ci/Rakefile:5:in `require'
/home/gitlab_ci/gitlab-ci/Rakefile:5:in `<top (required)>'
(See full trace by running task with --trace)

Credit goes to Brian Hartvigsen, as I came to this answer from his post here
Edit the Gemfile.lock
sudo -u gitlab_ci -H vi ~/Gemfile.lock
And replace the backports line with 'backports (3.6.1)'
Then reinstall the bundle
# For MySQL (note, the option says "without ... postgres")
sudo -u gitlab_ci -H bundle install --without development test postgres --deployment
# Or for PostgreSQL (note, the option says "without ... mysql")
sudo -u gitlab_ci -H bundle install --without development test mysql --deployment

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from /Users/jaredsohn/.rvm/gems/ruby-3.1.1/gems/aws-sdk-core-3.46.2/lib/aws-sdk-core/plugins/credentials_configuration.rb:21:in `<class:CredentialsConfiguration>'
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from /Users/jaredsohn/.rvm/gems/ruby-3.1.1/gems/activesupport-5.2.4/lib/active_support/dependencies.rb:291:in `require'
from /Users/jaredsohn/.rvm/gems/ruby-3.1.1/gems/aws-sdk-core-3.46.2/lib/aws-sdk-sts/client.rb:9:in `<top (required)>'
from /Users/jaredsohn/.rvm/gems/ruby-3.1.1/gems/aws-sdk-core-3.46.2/lib/aws-sdk-sts.rb:11:in `require_relative'
from /Users/jaredsohn/.rvm/gems/ruby-3.1.1/gems/aws-sdk-core-3.46.2/lib/aws-sdk-sts.rb:11:in `<top (required)>'
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from /Users/jaredsohn/.rvm/gems/ruby-3.1.1/gems/activesupport-5.2.4/lib/active_support/dependencies.rb:257:in `load_dependency'
from /Users/jaredsohn/.rvm/gems/ruby-3.1.1/gems/activesupport-5.2.4/lib/active_support/dependencies.rb:291:in `require'
from /Users/jaredsohn/.rvm/gems/ruby-3.1.1/gems/aws-sdk-core-3.46.2/lib/aws-sdk-core.rb:82:in `<top (required)>'
from /Users/jaredsohn/.rvm/gems/ruby-3.1.1/gems/activesupport-5.2.4/lib/active_support/dependencies.rb:291:in `require'
from /Users/jaredsohn/.rvm/gems/ruby-3.1.1/gems/activesupport-5.2.4/lib/active_support/dependencies.rb:291:in `block in require'
from /Users/jaredsohn/.rvm/gems/ruby-3.1.1/gems/activesupport-5.2.4/lib/active_support/dependencies.rb:257:in `load_dependency'
from /Users/jaredsohn/.rvm/gems/ruby-3.1.1/gems/activesupport-5.2.4/lib/active_support/dependencies.rb:291:in `require'
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from /Users/jaredsohn/.rvm/gems/ruby-3.1.1/gems/activesupport-5.2.4/lib/active_support/dependencies.rb:291:in `require'
from /Users/jaredsohn/.rvm/gems/ruby-3.1.1/gems/activesupport-5.2.4/lib/active_support/dependencies.rb:291:in `block in require'
from /Users/jaredsohn/.rvm/gems/ruby-3.1.1/gems/activesupport-5.2.4/lib/active_support/dependencies.rb:257:in `load_dependency'
from /Users/jaredsohn/.rvm/gems/ruby-3.1.1/gems/activesupport-5.2.4/lib/active_support/dependencies.rb:291:in `require'
from /Users/jaredsohn/.rvm/gems/ruby-3.1.1/gems/aws-sdk-s3-1.31.0/lib/aws-sdk-s3.rb:8:in `<top (required)>'
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from /Users/jaredsohn/.rvm/gems/ruby-3.1.1/gems/bundler-2.3.8/lib/bundler/runtime.rb:44:in `each'
from /Users/jaredsohn/.rvm/gems/ruby-3.1.1/gems/bundler-2.3.8/lib/bundler/runtime.rb:44:in `require'
from /Users/jaredsohn/.rvm/gems/ruby-3.1.1/gems/bundler-2.3.8/lib/bundler.rb:176:in `require'
from /Users/jaredsohn/topfunnel/topfunnel-web/config/application.rb:9:in `<top (required)>'
from /Users/jaredsohn/.rvm/gems/ruby-3.1.1/gems/railties-5.2.4/lib/rails/command/actions.rb:22:in `require'
from /Users/jaredsohn/.rvm/gems/ruby-3.1.1/gems/railties-5.2.4/lib/rails/command/actions.rb:22:in `require_application!'
from /Users/jaredsohn/.rvm/gems/ruby-3.1.1/gems/railties-5.2.4/lib/rails/command/actions.rb:14:in `require_application_and_environment!'
from /Users/jaredsohn/.rvm/gems/ruby-3.1.1/gems/railties-5.2.4/lib/rails/commands/console/console_command.rb:95:in `perform'
from /Users/jaredsohn/.rvm/gems/ruby-3.1.1/gems/thor-1.2.1/lib/thor/command.rb:27:in `run'
from /Users/jaredsohn/.rvm/gems/ruby-3.1.1/gems/thor-1.2.1/lib/thor/invocation.rb:127:in `invoke_command'
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LoadError: incompatible library version - /home/ubuntu/.rvm/gems/ruby-2.3.1#lm5/gems/nokogiri-1.8.2/lib/nokogiri/nokogiri.so

Trying to run rake assets precompile with production mode as follows.
rake assets:precompile
It is working fine for ubuntu 14.04 (32 bit) and 16.06(32 bit.) But getting Load Error on 16.04(64 bit) in aws ec2.
Here's my full stack trace:
rake aborted! LoadError: incompatible library version -
/home/ubuntu/.rvm/gems/ruby-2.3.1#lm5/gems/nokogiri-1.8.2/lib/nokogiri/nokogiri.so
/home/ubuntu/.rvm/gems/ruby-2.3.1#lm5/gems/activesupport-5.0.1/lib/active_support/dependencies.rb:293:in
`require'
/home/ubuntu/.rvm/gems/ruby-2.3.1#lm5/gems/activesupport-5.0.1/lib/active_support/dependencies.rb:293:in
`block in require'
/home/ubuntu/.rvm/gems/ruby-2.3.1#lm5/gems/activesupport-5.0.1/lib/active_support/dependencies.rb:259:in
`load_dependency'
/home/ubuntu/.rvm/gems/ruby-2.3.1#lm5/gems/activesupport-5.0.1/lib/active_support/dependencies.rb:293:in
`require'
/home/ubuntu/.rvm/gems/ruby-2.3.1#lm5/gems/nokogiri-1.8.2/lib/nokogiri.rb:32:in
`rescue in <top (required)>'
/home/ubuntu/.rvm/gems/ruby-2.3.1#lm5/gems/nokogiri-1.8.2/lib/nokogiri.rb:28:in
`<top (required)>'
/home/ubuntu/.rvm/gems/ruby-2.3.1#lm5/gems/activesupport-5.0.1/lib/active_support/dependencies.rb:293:in
`require'
/home/ubuntu/.rvm/gems/ruby-2.3.1#lm5/gems/activesupport-5.0.1/lib/active_support/dependencies.rb:293:in
`block in require'
/home/ubuntu/.rvm/gems/ruby-2.3.1#lm5/gems/activesupport-5.0.1/lib/active_support/dependencies.rb:259:in
`load_dependency'
/home/ubuntu/.rvm/gems/ruby-2.3.1#lm5/gems/activesupport-5.0.1/lib/active_support/dependencies.rb:293:in
`require'
/home/ubuntu/.rvm/gems/ruby-2.3.1#lm5/gems/loofah-2.2.2/lib/loofah.rb:3:in
`<top (required)>'
/home/ubuntu/.rvm/gems/ruby-2.3.1#lm5/gems/activesupport-5.0.1/lib/active_support/dependencies.rb:293:in
`require'
/home/ubuntu/.rvm/gems/ruby-2.3.1#lm5/gems/activesupport-5.0.1/lib/active_support/dependencies.rb:293:in
`block in require'
/home/ubuntu/.rvm/gems/ruby-2.3.1#lm5/gems/activesupport-5.0.1/lib/active_support/dependencies.rb:259:in
`load_dependency'
/home/ubuntu/.rvm/gems/ruby-2.3.1#lm5/gems/activesupport-5.0.1/lib/active_support/dependencies.rb:293:in
`require'
/home/ubuntu/.rvm/gems/ruby-2.3.1#lm5/gems/rails-html-sanitizer-1.0.4/lib/rails-html-sanitizer.rb:2:in
`<top (required)>'
/home/ubuntu/.rvm/gems/ruby-2.3.1#lm5/gems/activesupport-5.0.1/lib/active_support/dependencies.rb:293:in
`require'
/home/ubuntu/.rvm/gems/ruby-2.3.1#lm5/gems/activesupport-5.0.1/lib/active_support/dependencies.rb:293:in
`block in require'
/home/ubuntu/.rvm/gems/ruby-2.3.1#lm5/gems/activesupport-5.0.1/lib/active_support/dependencies.rb:259:in
`load_dependency'
/home/ubuntu/.rvm/gems/ruby-2.3.1#lm5/gems/activesupport-5.0.1/lib/active_support/dependencies.rb:293:in
`require'
/home/ubuntu/.rvm/gems/ruby-2.3.1#lm5/gems/actionview-5.0.1/lib/action_view/helpers/sanitize_helper.rb:2:in
`<top (required)>'
/home/ubuntu/.rvm/gems/ruby-2.3.1#lm5/gems/activesupport-5.0.1/lib/active_support/dependencies.rb:293:in
`require'
/home/ubuntu/.rvm/gems/ruby-2.3.1#lm5/gems/activesupport-5.0.1/lib/active_support/dependencies.rb:293:in
`block in require'
/home/ubuntu/.rvm/gems/ruby-2.3.1#lm5/gems/activesupport-5.0.1/lib/active_support/dependencies.rb:259:in
`load_dependency'
/home/ubuntu/.rvm/gems/ruby-2.3.1#lm5/gems/activesupport-5.0.1/lib/active_support/dependencies.rb:293:in
`require'
/home/ubuntu/.rvm/gems/ruby-2.3.1#lm5/gems/actionview-5.0.1/lib/action_view/helpers.rb:58:in
`<module:Helpers>'
/home/ubuntu/.rvm/gems/ruby-2.3.1#lm5/gems/actionview-5.0.1/lib/action_view/helpers.rb:4:in
`<module:ActionView>'
/home/ubuntu/.rvm/gems/ruby-2.3.1#lm5/gems/actionview-5.0.1/lib/action_view/helpers.rb:3:in
`<top (required)>'
/home/ubuntu/.rvm/gems/ruby-2.3.1#lm5/gems/activesupport-5.0.1/lib/active_support/dependencies.rb:293:in
`require'
/home/ubuntu/.rvm/gems/ruby-2.3.1#lm5/gems/activesupport-5.0.1/lib/active_support/dependencies.rb:293:in
`block in require'
/home/ubuntu/.rvm/gems/ruby-2.3.1#lm5/gems/activesupport-5.0.1/lib/active_support/dependencies.rb:259:in
`load_dependency'
/home/ubuntu/.rvm/gems/ruby-2.3.1#lm5/gems/activesupport-5.0.1/lib/active_support/dependencies.rb:293:in
`require'
/home/ubuntu/.rvm/gems/ruby-2.3.1#lm5/gems/actionview-5.0.1/lib/action_view/base.rb:5:in
`<top (required)>'
/home/ubuntu/.rvm/gems/ruby-2.3.1#lm5/gems/activesupport-5.0.1/lib/active_support/dependencies.rb:293:in
`require'
/home/ubuntu/.rvm/gems/ruby-2.3.1#lm5/gems/activesupport-5.0.1/lib/active_support/dependencies.rb:293:in
`block in require'
/home/ubuntu/.rvm/gems/ruby-2.3.1#lm5/gems/activesupport-5.0.1/lib/active_support/dependencies.rb:259:in
`load_dependency'
/home/ubuntu/.rvm/gems/ruby-2.3.1#lm5/gems/activesupport-5.0.1/lib/active_support/dependencies.rb:293:in
`require'
/home/ubuntu/.rvm/gems/ruby-2.3.1#lm5/gems/public_activity-1.5.0/lib/public_activity/utility/view_helpers.rb:25:in
`<module:PublicActivity>'
/home/ubuntu/.rvm/gems/ruby-2.3.1#lm5/gems/public_activity-1.5.0/lib/public_activity/utility/view_helpers.rb:2:in
`<top (required)>'
/home/ubuntu/.rvm/gems/ruby-2.3.1#lm5/gems/activesupport-5.0.1/lib/active_support/dependencies.rb:293:in
`require'
/home/ubuntu/.rvm/gems/ruby-2.3.1#lm5/gems/activesupport-5.0.1/lib/active_support/dependencies.rb:293:in
`block in require'
/home/ubuntu/.rvm/gems/ruby-2.3.1#lm5/gems/activesupport-5.0.1/lib/active_support/dependencies.rb:259:in
`load_dependency'
/home/ubuntu/.rvm/gems/ruby-2.3.1#lm5/gems/activesupport-5.0.1/lib/active_support/dependencies.rb:293:in
`require'
/home/ubuntu/.rvm/gems/ruby-2.3.1#lm5/gems/public_activity-1.5.0/lib/public_activity.rb:68:in
`<top (required)>'
/home/ubuntu/learnmusicco/config/application.rb:7:in `<top
(required)>' /home/ubuntu/learnmusicco/Rakefile:4:in `<top
(required)>'
/home/ubuntu/.rvm/gems/ruby-2.3.1#lm5/gems/rake-12.3.1/exe/rake:27:in
`<top (required)>'
Caused by: LoadError: cannot load such file -- nokogiri/2.3/nokogiri
/home/ubuntu/.rvm/gems/ruby-2.3.1#lm5/gems/activesupport-5.0.1/lib/active_support/dependencies.rb:293:in
`require'
/home/ubuntu/.rvm/gems/ruby-2.3.1#lm5/gems/activesupport-5.0.1/lib/active_support/dependencies.rb:293:in
`block in require'
/home/ubuntu/.rvm/gems/ruby-2.3.1#lm5/gems/activesupport-5.0.1/lib/active_support/dependencies.rb:259:in
`load_dependency'
/home/ubuntu/.rvm/gems/ruby-2.3.1#lm5/gems/activesupport-5.0.1/lib/active_support/dependencies.rb:293:in
`require'
/home/ubuntu/.rvm/gems/ruby-2.3.1#lm5/gems/nokogiri-1.8.2/lib/nokogiri.rb:30:in
`<top (required)>'
/home/ubuntu/.rvm/gems/ruby-2.3.1#lm5/gems/activesupport-5.0.1/lib/active_support/dependencies.rb:293:in
`require'
/home/ubuntu/.rvm/gems/ruby-2.3.1#lm5/gems/activesupport-5.0.1/lib/active_support/dependencies.rb:293:in
`block in require'
/home/ubuntu/.rvm/gems/ruby-2.3.1#lm5/gems/activesupport-5.0.1/lib/active_support/dependencies.rb:259:in
load_dependency'
/home/ubuntu/.rvm/gems/ruby-2.3.1#lm5/gems/activesupport-5.0.1/lib/active_support/dependencies.rb:293:in
`require'
/home/ubuntu/.rvm/gems/ruby-2.3.1#lm5/gems/loofah-2.2.2/lib/loofah.rb:3:in
`<top (required)>'
/home/ubuntu/.rvm/gems/ruby-2.3.1#lm5/gems/activesupport-5.0.1/lib/active_support/dependencies.rb:293:in
`require'
/home/ubuntu/.rvm/gems/ruby-2.3.1#lm5/gems/activesupport-5.0.1/lib/active_support/dependencies.rb:293:in
`block in require'
/home/ubuntu/.rvm/gems/ruby-2.3.1#lm5/gems/activesupport-5.0.1/lib/active_support/dependencies.rb:259:in
`load_dependency'
/home/ubuntu/.rvm/gems/ruby-2.3.1#lm5/gems/activesupport-5.0.1/lib/active_support/dependencies.rb:293:in
`require'
/home/ubuntu/.rvm/gems/ruby-2.3.1#lm5/gems/rails-html-sanitizer-1.0.4/lib/rails-html-sanitizer.rb:2:in
`<top (required)>'
/home/ubuntu/.rvm/gems/ruby-2.3.1#lm5/gems/activesupport-5.0.1/lib/active_support/dependencies.rb:293:in
`require'
/home/ubuntu/.rvm/gems/ruby-2.3.1#lm5/gems/activesupport-5.0.1/lib/active_support/dependencies.rb:293:in
`block in require'
/home/ubuntu/.rvm/gems/ruby-2.3.1#lm5/gems/activesupport-5.0.1/lib/active_support/dependencies.rb:259:in
`load_dependency'
/home/ubuntu/.rvm/gems/ruby-2.3.1#lm5/gems/activesupport-5.0.1/lib/active_support/dependencies.rb:293:in
`require'
/home/ubuntu/.rvm/gems/ruby-2.3.1#lm5/gems/actionview-5.0.1/lib/action_view/helpers/sanitize_helper.rb:2:in
`<top (required)>'
/home/ubuntu/.rvm/gems/ruby-2.3.1#lm5/gems/activesupport-5.0.1/lib/active_support/dependencies.rb:293:in
`require'
/home/ubuntu/.rvm/gems/ruby-2.3.1#lm5/gems/activesupport-5.0.1/lib/active_support/dependencies.rb:293:in
`block in require'
/home/ubuntu/.rvm/gems/ruby-2.3.1#lm5/gems/activesupport-5.0.1/lib/active_support/dependencies.rb:259:in
`load_dependency'
/home/ubuntu/.rvm/gems/ruby-2.3.1#lm5/gems/activesupport-5.0.1/lib/active_support/dependencies.rb:293:in
`require'
/home/ubuntu/.rvm/gems/ruby-2.3.1#lm5/gems/actionview-5.0.1/lib/action_view/helpers.rb:58:in
`<module:Helpers>'
/home/ubuntu/.rvm/gems/ruby-2.3.1#lm5/gems/actionview-5.0.1/lib/action_view/helpers.rb:4:in
`<module:ActionView>'
/home/ubuntu/.rvm/gems/ruby-2.3.1#lm5/gems/actionview-5.0.1/lib/action_view/helpers.rb:3:in
`<top (required)>'
/home/ubuntu/.rvm/gems/ruby-2.3.1#lm5/gems/activesupport-5.0.1/lib/active_support/dependencies.rb:293:in
`require'
/home/ubuntu/.rvm/gems/ruby-2.3.1#lm5/gems/activesupport-5.0.1/lib/active_support/dependencies.rb:293:in
`block in require'
/home/ubuntu/.rvm/gems/ruby-2.3.1#lm5/gems/activesupport-5.0.1/lib/active_support/dependencies.rb:259:in
`load_dependency'
/home/ubuntu/.rvm/gems/ruby-2.3.1#lm5/gems/activesupport-5.0.1/lib/active_support/dependencies.rb:293:in
`require'
/home/ubuntu/.rvm/gems/ruby-2.3.1#lm5/gems/actionview-5.0.1/lib/action_view/base.rb:5:in
`<top (required)>'
/home/ubuntu/.rvm/gems/ruby-2.3.1#lm5/gems/activesupport-5.0.1/lib/active_support/dependencies.rb:293:in
`require'
/home/ubuntu/.rvm/gems/ruby-2.3.1#lm5/gems/activesupport-5.0.1/lib/active_support/dependencies.rb:293:in
`block in require'
/home/ubuntu/.rvm/gems/ruby-2.3.1#lm5/gems/activesupport-5.0.1/lib/active_support/dependencies.rb:259:in
`load_dependency'
/home/ubuntu/.rvm/gems/ruby-2.3.1#lm5/gems/activesupport-5.0.1/lib/active_support/dependencies.rb:293:in
`require'
/home/ubuntu/.rvm/gems/ruby-2.3.1#lm5/gems/public_activity-1.5.0/lib/public_activity/utility/view_helpers.rb:25:in
`<module:PublicActivity>'
/home/ubuntu/.rvm/gems/ruby-2.3.1#lm5/gems/public_activity-1.5.0/lib/public_activity/utility/view_helpers.rb:2:in
`<top (required)>'
/home/ubuntu/.rvm/gems/ruby-2.3.1#lm5/gems/activesupport-5.0.1/lib/active_support/dependencies.rb:293:in
`require'
/home/ubuntu/.rvm/gems/ruby-2.3.1#lm5/gems/activesupport-5.0.1/lib/active_support/dependencies.rb:293:in
`block in require'
/home/ubuntu/.rvm/gems/ruby-2.3.1#lm5/gems/activesupport-5.0.1/lib/active_support/dependencies.rb:259:in
`load_dependency'
/home/ubuntu/.rvm/gems/ruby-2.3.1#lm5/gems/activesupport-5.0.1/lib/active_support/dependencies.rb:293:in
`require'
/home/ubuntu/.rvm/gems/ruby-2.3.1#lm5/gems/public_activity-1.5.0/lib/public_activity.rb:68:in
`<top (required)>'
/home/ubuntu/learnmusicco/config/application.rb:7:in `<top
(required)>' /home/ubuntu/learnmusicco/Rakefile:4:in `<top
(required)>'
/home/ubuntu/.rvm/gems/ruby-2.3.1#lm5/gems/rake-12.3.1/exe/rake:27:in
`<top (required)>'
You can try running gem pristine --all to automatically uninstall and reinstall all installed gems in the current environment. That might sort out your issue.
If that doesn't work, try running rm -rf `rvm gemdir`/bundler/gems to forcibly remove all of your gems and then try another bundle install.

rails test VS rake test in Rails 5

So I'm trying out Rails 5, and there are few differences, such as I can use rails instead of rake for commands like test and db:* However, I've run into a weird snag:
If I run: $ rails test I get the following errors:
Running via Spring preloader in process 30936
/usr/local/rvm/gems/ruby-2.3.0/gems/activesupport-5.0.0.1/lib/active_support/dependencies.rb:293:in `require': cannot load such file -- minitest/reporters (LoadError)
from /usr/local/rvm/gems/ruby-2.3.0/gems/activesupport-5.0.0.1/lib/active_support/dependencies.rb:293:in `block in require'
from /usr/local/rvm/gems/ruby-2.3.0/gems/activesupport-5.0.0.1/lib/active_support/dependencies.rb:259:in `load_dependency'
from /usr/local/rvm/gems/ruby-2.3.0/gems/activesupport-5.0.0.1/lib/active_support/dependencies.rb:293:in `require'
from /home/ubuntu/workspace/stitched_up_site/test/test_helper.rb:4:in `<top (required)>'
from /usr/local/rvm/gems/ruby-2.3.0/gems/activesupport-5.0.0.1/lib/active_support/dependencies.rb:293:in `require'
from /usr/local/rvm/gems/ruby-2.3.0/gems/activesupport-5.0.0.1/lib/active_support/dependencies.rb:293:in `block in require'
from /usr/local/rvm/gems/ruby-2.3.0/gems/activesupport-5.0.0.1/lib/active_support/dependencies.rb:259:in `load_dependency'
from /usr/local/rvm/gems/ruby-2.3.0/gems/activesupport-5.0.0.1/lib/active_support/dependencies.rb:293:in `require'
from /home/ubuntu/workspace/stitched_up_site/test/controllers/static_pages_controller_test.rb:1:in `<top (required)>'
from /usr/local/rvm/gems/ruby-2.3.0/gems/activesupport-5.0.0.1/lib/active_support/dependencies.rb:293:in `require'
from /usr/local/rvm/gems/ruby-2.3.0/gems/activesupport-5.0.0.1/lib/active_support/dependencies.rb:293:in `block in require'
from /usr/local/rvm/gems/ruby-2.3.0/gems/activesupport-5.0.0.1/lib/active_support/dependencies.rb:259:in `load_dependency'
from /usr/local/rvm/gems/ruby-2.3.0/gems/activesupport-5.0.0.1/lib/active_support/dependencies.rb:293:in `require'
from /usr/local/rvm/gems/ruby-2.3.0/gems/railties-5.0.0.1/lib/rails/test_unit/test_requirer.rb:11:in `block in require_files'
from /usr/local/rvm/gems/ruby-2.3.0/gems/railties-5.0.0.1/lib/rails/test_unit/test_requirer.rb:10:in `each'
from /usr/local/rvm/gems/ruby-2.3.0/gems/railties-5.0.0.1/lib/rails/test_unit/test_requirer.rb:10:in `require_files'
from /usr/local/rvm/gems/ruby-2.3.0/gems/railties-5.0.0.1/lib/rails/test_unit/minitest_plugin.rb:76:in `plugin_rails_init'
from /usr/local/rvm/gems/ruby-2.3.0/gems/minitest-5.9.0/lib/minitest.rb:80:in `block in init_plugins'
from /usr/local/rvm/gems/ruby-2.3.0/gems/minitest-5.9.0/lib/minitest.rb:78:in `each'
from /usr/local/rvm/gems/ruby-2.3.0/gems/minitest-5.9.0/lib/minitest.rb:78:in `init_plugins'
from /usr/local/rvm/gems/ruby-2.3.0/gems/minitest-5.9.0/lib/minitest.rb:129:in `run'
from /usr/local/rvm/gems/ruby-2.3.0/gems/railties-5.0.0.1/lib/rails/commands/test.rb:9:in `<top (required)>'
from /usr/local/rvm/gems/ruby-2.3.0/gems/activesupport-5.0.0.1/lib/active_support/dependencies.rb:293:in `require'
from /usr/local/rvm/gems/ruby-2.3.0/gems/activesupport-5.0.0.1/lib/active_support/dependencies.rb:293:in `block in require'
from /usr/local/rvm/gems/ruby-2.3.0/gems/activesupport-5.0.0.1/lib/active_support/dependencies.rb:259:in `load_dependency'
from /usr/local/rvm/gems/ruby-2.3.0/gems/activesupport-5.0.0.1/lib/active_support/dependencies.rb:293:in `require'
from /usr/local/rvm/gems/ruby-2.3.0/gems/railties-5.0.0.1/lib/rails/commands/commands_tasks.rb:138:in `require_command!'
from /usr/local/rvm/gems/ruby-2.3.0/gems/railties-5.0.0.1/lib/rails/commands/commands_tasks.rb:95:in `test'
from /usr/local/rvm/gems/ruby-2.3.0/gems/railties-5.0.0.1/lib/rails/commands/commands_tasks.rb:49:in `run_command!'
from /usr/local/rvm/gems/ruby-2.3.0/gems/railties-5.0.0.1/lib/rails/commands.rb:18:in `<top (required)>'
from /usr/local/rvm/gems/ruby-2.3.0/gems/activesupport-5.0.0.1/lib/active_support/dependencies.rb:293:in `require'
from /usr/local/rvm/gems/ruby-2.3.0/gems/activesupport-5.0.0.1/lib/active_support/dependencies.rb:293:in `block in require'
from /usr/local/rvm/gems/ruby-2.3.0/gems/activesupport-5.0.0.1/lib/active_support/dependencies.rb:259:in `load_dependency'
from /usr/local/rvm/gems/ruby-2.3.0/gems/activesupport-5.0.0.1/lib/active_support/dependencies.rb:293:in `require'
from /home/ubuntu/workspace/stitched_up_site/bin/rails:9:in `<top (required)>'
from /usr/local/rvm/gems/ruby-2.3.0/gems/activesupport-5.0.0.1/lib/active_support/dependencies.rb:287:in `load'
from /usr/local/rvm/gems/ruby-2.3.0/gems/activesupport-5.0.0.1/lib/active_support/dependencies.rb:287:in `block in load'
from /usr/local/rvm/gems/ruby-2.3.0/gems/activesupport-5.0.0.1/lib/active_support/dependencies.rb:259:in `load_dependency'
from /usr/local/rvm/gems/ruby-2.3.0/gems/activesupport-5.0.0.1/lib/active_support/dependencies.rb:287:in `load'
from /usr/local/rvm/rubies/ruby-2.3.0/lib/ruby/2.3.0/rubygems/core_ext/kernel_require.rb:55:in `require'
from /usr/local/rvm/rubies/ruby-2.3.0/lib/ruby/2.3.0/rubygems/core_ext/kernel_require.rb:55:in `require'
from -e:1:in `<main>'
However, if i run $ rake test under the same conditions, it runs the way I expect.

Cannot start rail server

I am getting the following error while starting my rails server.
/Users/joy/.rvm/gems/ruby-1.9.3-p194#project/gems/activesupport-3.2.16/lib/active_support/dependencies.rb:251:in `require': cannot load such file -- systemu (LoadError)
from /Users/joy/.rvm/gems/ruby-1.9.3-p194#project/gems/activesupport-3.2.16/lib/active_support/dependencies.rb:251:in `block in require'
from /Users/joy/.rvm/gems/ruby-1.9.3-p194#project/gems/activesupport-3.2.16/lib/active_support/dependencies.rb:236:in `load_dependency'
from /Users/joy/.rvm/gems/ruby-1.9.3-p194#project/gems/activesupport-3.2.16/lib/active_support/dependencies.rb:251:in `require'
from /Users/joy/.rvm/gems/ruby-1.9.3-p194#project/gems/macaddr-1.6.2/lib/macaddr.rb:23:in `<top (required)>'
from /Users/joy/.rvm/gems/ruby-1.9.3-p194#project/gems/activesupport-3.2.16/lib/active_support/dependencies.rb:251:in `require'
from /Users/joy/.rvm/gems/ruby-1.9.3-p194#project/gems/activesupport-3.2.16/lib/active_support/dependencies.rb:251:in `block in require'
from /Users/joy/.rvm/gems/ruby-1.9.3-p194#project/gems/activesupport-3.2.16/lib/active_support/dependencies.rb:236:in `load_dependency'
from /Users/joy/.rvm/gems/ruby-1.9.3-p194#project/gems/activesupport-3.2.16/lib/active_support/dependencies.rb:251:in `require'
from /Users/joy/.rvm/gems/ruby-1.9.3-p194#project/gems/uuid-2.3.7/lib/uuid.rb:14:in `<top (required)>'
from /Users/joy/.rvm/gems/ruby-1.9.3-p194#global/gems/bundler-1.5.3/lib/bundler/runtime.rb:76:in `require'
from /Users/joy/.rvm/gems/ruby-1.9.3-p194#global/gems/bundler-1.5.3/lib/bundler/runtime.rb:76:in `block (2 levels) in require'
from /Users/joy/.rvm/gems/ruby-1.9.3-p194#global/gems/bundler-1.5.3/lib/bundler/runtime.rb:72:in `each'
from /Users/joy/.rvm/gems/ruby-1.9.3-p194#global/gems/bundler-1.5.3/lib/bundler/runtime.rb:72:in `block in require'
from /Users/joy/.rvm/gems/ruby-1.9.3-p194#global/gems/bundler-1.5.3/lib/bundler/runtime.rb:61:in `each'
from /Users/joy/.rvm/gems/ruby-1.9.3-p194#global/gems/bundler-1.5.3/lib/bundler/runtime.rb:61:in `require'
from /Users/joy/.rvm/gems/ruby-1.9.3-p194#global/gems/bundler-1.5.3/lib/bundler.rb:131:in `require'
from /Users/joy/analytics/cappings/config/application.rb:17:in `<top (required)>'
from /Users/joy/.rvm/gems/ruby-1.9.3-p194#project/gems/railties-3.2.16/lib/rails/commands.rb:53:in `require'
from /Users/joy/.rvm/gems/ruby-1.9.3-p194#project/gems/railties-3.2.16/lib/rails/commands.rb:53:in `block in <top (required)>'
from /Users/joy/.rvm/gems/ruby-1.9.3-p194#project/gems/railties-3.2.16/lib/rails/commands.rb:50:in `tap'
from /Users/joy/.rvm/gems/ruby-1.9.3-p194#project/gems/railties-3.2.16/lib/rails/commands.rb:50:in `<top (required)>'
from script/rails:6:in `require'
from script/rails:6:in `<main>'

can't make the rails console run on cygwin

Thanks in advance.
I'm running Rails under Cygwin. Everything seams to work fine but the rails console. When I want to run the console, this is the error I get:
$ rails console
/usr/lib/ruby/gems/1.9.1/gems/activesupport-3.0.0/lib/active_support/dependencies.rb:239:in `require': cannot load such file -- minitest/unit (LoadError)
from /usr/lib/ruby/gems/1.9.1/gems/activesupport-3.0.0/lib/active_support/dependencies.rb:239:in `block in require'
from /usr/lib/ruby/gems/1.9.1/gems/activesupport-3.0.0/lib/active_support/dependencies.rb:225:in `block in load_dependency'
from /usr/lib/ruby/gems/1.9.1/gems/activesupport-3.0.0/lib/active_support/dependencies.rb:591:in `new_constants_in'
from /usr/lib/ruby/gems/1.9.1/gems/activesupport-3.0.0/lib/active_support/dependencies.rb:225:in `load_dependency'
from /usr/lib/ruby/gems/1.9.1/gems/activesupport-3.0.0/lib/active_support/dependencies.rb:239:in `require'
from /usr/lib/ruby/1.9.1/test/unit/assertions.rb:1:in `<top (required)>'
from /usr/lib/ruby/gems/1.9.1/gems/activesupport-3.0.0/lib/active_support/dependencies.rb:239:in `require'
from /usr/lib/ruby/gems/1.9.1/gems/activesupport-3.0.0/lib/active_support/dependencies.rb:239:in `block in require'
from /usr/lib/ruby/gems/1.9.1/gems/activesupport-3.0.0/lib/active_support/dependencies.rb:225:in `block in load_dependency'
from /usr/lib/ruby/gems/1.9.1/gems/activesupport-3.0.0/lib/active_support/dependencies.rb:591:in `new_constants_in'
from /usr/lib/ruby/gems/1.9.1/gems/activesupport-3.0.0/lib/active_support/dependencies.rb:225:in `load_dependency'
from /usr/lib/ruby/gems/1.9.1/gems/activesupport-3.0.0/lib/active_support/dependencies.rb:239:in `require'
from /usr/lib/ruby/1.9.1/test/unit/testcase.rb:1:in `<top (required)>'
from /usr/lib/ruby/gems/1.9.1/gems/activesupport-3.0.0/lib/active_support/dependencies.rb:239:in `require'
from /usr/lib/ruby/gems/1.9.1/gems/activesupport-3.0.0/lib/active_support/dependencies.rb:239:in `block in require'
from /usr/lib/ruby/gems/1.9.1/gems/activesupport-3.0.0/lib/active_support/dependencies.rb:225:in `block in load_dependency'
from /usr/lib/ruby/gems/1.9.1/gems/activesupport-3.0.0/lib/active_support/dependencies.rb:591:in `new_constants_in'
from /usr/lib/ruby/gems/1.9.1/gems/activesupport-3.0.0/lib/active_support/dependencies.rb:225:in `load_dependency'
from /usr/lib/ruby/gems/1.9.1/gems/activesupport-3.0.0/lib/active_support/dependencies.rb:239:in `require'
from /usr/lib/ruby/gems/1.9.1/gems/activesupport-3.0.0/lib/active_support/test_case.rb:1:in `<top (required)>'
from /usr/lib/ruby/gems/1.9.1/gems/activesupport-3.0.0/lib/active_support/dependencies.rb:239:in `require'
from /usr/lib/ruby/gems/1.9.1/gems/activesupport-3.0.0/lib/active_support/dependencies.rb:239:in `block in require'
from /usr/lib/ruby/gems/1.9.1/gems/activesupport-3.0.0/lib/active_support/dependencies.rb:225:in `block in load_dependency'
from /usr/lib/ruby/gems/1.9.1/gems/activesupport-3.0.0/lib/active_support/dependencies.rb:591:in `new_constants_in'
from /usr/lib/ruby/gems/1.9.1/gems/activesupport-3.0.0/lib/active_support/dependencies.rb:225:in `load_dependency'
from /usr/lib/ruby/gems/1.9.1/gems/activesupport-3.0.0/lib/active_support/dependencies.rb:239:in `require'
from /usr/lib/ruby/gems/1.9.1/gems/railties-3.0.0/lib/rails/console/app.rb:2:in `<top (required)>'
from /usr/lib/ruby/gems/1.9.1/gems/activesupport-3.0.0/lib/active_support/dependencies.rb:239:in `require'
from /usr/lib/ruby/gems/1.9.1/gems/activesupport-3.0.0/lib/active_support/dependencies.rb:239:in `block in require'
from /usr/lib/ruby/gems/1.9.1/gems/activesupport-3.0.0/lib/active_support/dependencies.rb:225:in `block in load_dependency'
from /usr/lib/ruby/gems/1.9.1/gems/activesupport-3.0.0/lib/active_support/dependencies.rb:591:in `new_constants_in'
from /usr/lib/ruby/gems/1.9.1/gems/activesupport-3.0.0/lib/active_support/dependencies.rb:225:in `load_dependency'
from /usr/lib/ruby/gems/1.9.1/gems/activesupport-3.0.0/lib/active_support/dependencies.rb:239:in `require'
from /usr/lib/ruby/gems/1.9.1/gems/railties-3.0.0/lib/rails/application.rb:225:in `initialize_console'
from /usr/lib/ruby/gems/1.9.1/gems/railties-3.0.0/lib/rails/application.rb:153:in `load_console'
from /usr/lib/ruby/gems/1.9.1/gems/railties-3.0.0/lib/rails/commands/console.rb:26:in `start'
from /usr/lib/ruby/gems/1.9.1/gems/railties-3.0.0/lib/rails/commands/console.rb:8:in `start'
from /usr/lib/ruby/gems/1.9.1/gems/railties-3.0.0/lib/rails/commands.rb:23:in `<top (required)>'
from script/rails:6:in `require'
from script/rails:6:in `<main>'
Any help will be appreciated
Looks like you don't have the gem "minitest" installed in your Gemfile.

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