title: "Could not find nokogiri-1.8.2.." However, it is installed
body: <p>Really weird error I've never gotten before, hoping someone else has seen this.</p>
  
  <p>I'm trying to <code>bundle exec rake db:migrate:reset</code> and I'm getting</p>
  
  <blockquote>
    <p>Could not find nokogiri-1.8.2 in any of the sources.  Run 'bundle install' to install missing gems.</p>
  </blockquote>
  
  <p>I have ran <code>bundle install</code> and I see nokogiri installed:</p>
  
  <pre><code>cli:~/projects/interviews/my_folder/name_generator$ bundle install
  Using rake 12.3.1
  Using concurrent-ruby 1.0.5
  Using i18n 1.0.1
  Using minitest 5.11.3
  Using thread_safe 0.3.6
  Using tzinfo 1.2.5
  Using activesupport 5.1.6
  Using builder 3.2.3
  Using erubi 1.7.1
  Using mini_portile2 2.3.0
  Using nokogiri 1.8.2 &lt;------------ Here?!
  Using rails-dom-testing 2.0.3
  Using crass 1.0.4
  Using loofah 2.2.2
  Using rails-html-sanitizer 1.0.4
  Using actionview 5.1.6
  Using rack 2.0.5
  Using rack-test 1.0.0
  Using actionpack 5.1.6
  Using nio4r 2.3.1
  Using websocket-extensions 0.1.3
  Using websocket-driver 0.6.5
  Using actioncable 5.1.6
  Using globalid 0.4.1
  Using activejob 5.1.6
  Using mini_mime 1.0.0
  Using mail 2.7.0
  Using actionmailer 5.1.6
  Using activemodel 5.1.6
  Using arel 8.0.0
  Using activerecord 5.1.6
  Using activerecord-import 0.23.0
  Using public_suffix 3.0.2
  Using addressable 2.5.2
  Using bindex 0.5.0
  Using bundler 1.16.2
  Using byebug 10.0.2
  Using xpath 3.0.0
  Using capybara 2.18.0
  Using ffi 1.9.23
  Using childprocess 0.9.0
  Using coderay 1.1.2
  Using coffee-script-source 1.12.2
  Using execjs 2.7.0
  Using coffee-script 2.4.1
  Using method_source 0.9.0
  Using thor 0.20.0
  Using railties 5.1.6
  Using coffee-rails 4.2.2
  Using multi_json 1.13.1
  Using jbuilder 2.7.0
  Using rb-fsevent 0.10.3
  Using rb-inotify 0.9.10
  Using ruby_dep 1.5.0
  Using listen 3.1.5
  Using pg 1.0.0
  Using pry 0.11.3
  Using puma 3.11.4
  Using sprockets 3.7.1
  Using sprockets-rails 3.2.1
  Using rails 5.1.6
  Using rubyzip 1.2.1
  Using sass-listen 4.0.0
  Using sass 3.5.6
  Using tilt 2.0.8
  Using sass-rails 5.0.7
  Using selenium-webdriver 3.12.0
  Using spring 2.0.2
  Using spring-watcher-listen 2.0.1
  Using turbolinks-source 5.1.0
  Using turbolinks 5.1.1
  Using uglifier 4.1.10
  Using web-console 3.6.2
  Bundle complete! 18 Gemfile dependencies, 73 gems now installed.
  Use `bundle info [gemname]` to see where a bundled gem is installed.
  clil:~/projects/interviews/John_Gray/name_generator$ bundle exec rake db:migrate:reset
  Could not find nokogiri-1.8.2 in any of the sources
  Run `bundle install` to install missing gems.
  cli:~/projects/interviews/John_Gray/name_generator$ 
  </code></pre>