title: Unable to start the rails app with puma-dev
body: <p>Unable to start the rails app using puma-dev.</p>
  
  <p><code>rails -v</code><br>
  Rails 5.2.3</p>
  
  <p><code>ruby -v</code><br>
  ruby 2.4.9p362 (2019-10-02 revision 67824) [x86_64-linux]</p>
  
  <p>Getting this error:</p>
  
  <pre class="lang-rb prettyprint-override"><code>TestApp[30168]: /usr/local/lib/site_ruby/2.3.0/rubygems/core_ext/kernel_require.rb:54:in `require': incompatible library version - /home/lt-238/.rvm/gems/ruby-2.4.9/gems/nio4r-2.5.2/lib/nio4r_ext.so (LoadError)
  TestApp[30168]:     from /usr/local/lib/site_ruby/2.3.0/rubygems/core_ext/kernel_require.rb:54:in `require'
  TestApp[30168]:     from /home/lt-238/.rvm/gems/ruby-2.4.9/gems/nio4r-2.5.2/lib/nio.rb:23:in `&lt;top (required)&gt;'
  TestApp[30168]:     from /usr/local/lib/site_ruby/2.3.0/rubygems/core_ext/kernel_require.rb:54:in `require'
  TestApp[30168]:     from /usr/local/lib/site_ruby/2.3.0/rubygems/core_ext/kernel_require.rb:54:in `require'
  TestApp[30168]:     from /home/lt-238/.rvm/gems/ruby-2.4.9/gems/puma-4.3.1/lib/puma/reactor.rb:6:in `&lt;top (required)&gt;'
  TestApp[30168]:     from /usr/local/lib/site_ruby/2.3.0/rubygems/core_ext/kernel_require.rb:54:in `require'
  TestApp[30168]:     from /usr/local/lib/site_ruby/2.3.0/rubygems/core_ext/kernel_require.rb:54:in `require'
  TestApp[30168]:     from /home/lt-238/.rvm/gems/ruby-2.4.9/gems/puma-4.3.1/lib/puma/server.rb:9:in `&lt;top (required)&gt;'
  TestApp[30168]:     from /usr/local/lib/site_ruby/2.3.0/rubygems/core_ext/kernel_require.rb:54:in `require'
  TestApp[30168]:     from /usr/local/lib/site_ruby/2.3.0/rubygems/core_ext/kernel_require.rb:54:in `require'
  TestApp[30168]:     from /home/lt-238/.rvm/gems/ruby-2.4.9/gems/puma-4.3.1/lib/puma/runner.rb:3:in `&lt;top (required)&gt;'
  TestApp[30168]:     from /usr/local/lib/site_ruby/2.3.0/rubygems/core_ext/kernel_require.rb:54:in `require'
  TestApp[30168]:     from /usr/local/lib/site_ruby/2.3.0/rubygems/core_ext/kernel_require.rb:54:in `require'
  TestApp[30168]:     from /home/lt-238/.rvm/gems/ruby-2.4.9/gems/puma-4.3.1/lib/puma/cluster.rb:3:in `&lt;top (required)&gt;'
  TestApp[30168]:     from /usr/local/lib/site_ruby/2.3.0/rubygems/core_ext/kernel_require.rb:54:in `require'
  TestApp[30168]:     from /usr/local/lib/site_ruby/2.3.0/rubygems/core_ext/kernel_require.rb:54:in `require'
  TestApp[30168]:     from /home/lt-238/.rvm/gems/ruby-2.4.9/gems/puma-4.3.1/lib/puma/launcher.rb:5:in `&lt;top (required)&gt;'
  TestApp[30168]:     from /usr/local/lib/site_ruby/2.3.0/rubygems/core_ext/kernel_require.rb:54:in `require'
  TestApp[30168]:     from /usr/local/lib/site_ruby/2.3.0/rubygems/core_ext/kernel_require.rb:54:in `require'
  TestApp[30168]:     from /home/lt-238/.rvm/gems/ruby-2.4.9/gems/puma-4.3.1/lib/puma/cli.rb:8:in `&lt;top (required)&gt;'
  TestApp[30168]:     from /usr/local/lib/site_ruby/2.3.0/rubygems/core_ext/kernel_require.rb:54:in `require'
  TestApp[30168]:     from /usr/local/lib/site_ruby/2.3.0/rubygems/core_ext/kernel_require.rb:54:in `require'
  TestApp[30168]:     from /home/lt-238/.rvm/gems/ruby-2.4.9/gems/puma-4.3.1/bin/puma:6:in `&lt;top (required)&gt;'
  TestApp[30168]:     from /usr/local/bin/puma:23:in `load'
  TestApp[30168]:     from /usr/local/bin/puma:23:in `&lt;main&gt;'
  ! Killing 'TestApp' (30168)
  * App 'TestApp' shutdown and cleaned up
  ! Detecting app 'TestApp' dying on start
  </code></pre>
  
  <p>Any help is appreciated</p>