（https://github.com/prove/tarantula）のドキュメントを使用して、Fedora（カーネル3.6.5-2.fc16.x86_64）にTarantula（ http://www.testiatarantula.com/ ）をインストールしようとしています。
私が遭遇した問題はRubyエラー（A）です：
/opt/tarantula/config/initializers/session_store.rb:3: syntax error, unexpected ':',
expecting $end ...sion_store :cookie_store, key: '_tarantula_session'
^
Tasks: TOP => db:schema:load => environment
(See full trace by running task with --trace)
コマンドを実行するとき：
sudo RAILS_ENV=test bundle exec rake tarantula:install
The
bundle exec
コマンドは別のエラーを克服するために使用されます（B）：
sudo RAILS_ENV=production rake tarantula:install
[sudo] password for admin:
rake aborted!
You have already activated rake 10.0.2, but your Gemfile requires rake 0.9.2.2. Using
bundle exec may solve this.
/opt/tarantula/config/boot.rb:6
/opt/tarantula/config/application.rb:1
/opt/tarantula/Rakefile:5
(See full trace by running task with --trace)
エラー（A）は、 https：//github.com/prove/tarantula/blob/master/config/initializers/session_store.rbまでさかのぼることができます。
使用する
--trace
出力は次のとおりです。
sudo RAILS_ENV=production rake tarantula:install --trace
rake aborted!
You have already activated rake 10.0.2, but your Gemfile requires rake 0.9.2.2. Using bundle exec may solve this.
/usr/lib/ruby/gems/1.8/gems/bundler-1.2.2/lib/bundler/runtime.rb:31:in `setup'
/usr/lib/ruby/gems/1.8/gems/bundler-1.2.2/lib/bundler/runtime.rb:17:in `setup'
/usr/lib/ruby/gems/1.8/gems/bundler-1.2.2/lib/bundler.rb:116:in `setup'
/usr/lib/ruby/gems/1.8/gems/bundler-1.2.2/lib/bundler/setup.rb:7
/usr/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:59:in `gem_original_require'
/usr/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:59:in `require'
/opt/tarantula/config/boot.rb:6
/usr/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:36:in `gem_original_require'
/usr/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:36:in `require'
/opt/tarantula/config/application.rb:1
/usr/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:36:in `gem_original_require'
/usr/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:36:in `require'
/opt/tarantula/Rakefile:5
/usr/lib/ruby/gems/1.8/gems/rake-10.0.2/lib/rake/rake_module.rb:25:in `load'
/usr/lib/ruby/gems/1.8/gems/rake-10.0.2/lib/rake/rake_module.rb:25:in `load_rakefile'
/usr/lib/ruby/gems/1.8/gems/rake-10.0.2/lib/rake/application.rb:581:in `raw_load_rakefile'
/usr/lib/ruby/gems/1.8/gems/rake-10.0.2/lib/rake/application.rb:87:in `load_rakefile'
/usr/lib/ruby/gems/1.8/gems/rake-10.0.2/lib/rake/application.rb:158:in `standard_exception_handling'
/usr/lib/ruby/gems/1.8/gems/rake-10.0.2/lib/rake/application.rb:86:in `load_rakefile'
/usr/lib/ruby/gems/1.8/gems/rake-10.0.2/lib/rake/application.rb:70:in `run'
/usr/lib/ruby/gems/1.8/gems/rake-10.0.2/lib/rake/application.rb:158:in `standard_exception_handling'
/usr/lib/ruby/gems/1.8/gems/rake-10.0.2/lib/rake/application.rb:68:in `run'
/usr/lib/ruby/gems/1.8/gems/rake-10.0.2/bin/rake:37
/usr/bin/rake:19:in `load'
/usr/bin/rake:19