title: strange chromedriver fail on os x lion
body: <p>when I try <code>$chromedriver</code> on my installation of OS X Lion I get this error message:</p>
  
  <pre><code>Starting ChromeDriver (v2.2) on port 9515
  objc[5006]: Object 0x1215940 of class NSThread autoreleased with no pool in place - just leaking - break on objc_autoreleaseNoPool() to debug
  Bus error: 10
  </code></pre>
  
  <p>What can I do to fix this?</p>