title: Couldn't install dependancy using carthage
body: <p>I've been installing dependencies using pods, but now i've tried carthage first time.
  I've opened an issue on git also, but looking for a quick help.</p>
  
  <p>Here's the github link of issue:
  <a href="https://github.com/Alamofire/Alamofire/issues/1765" rel="nofollow noreferrer">https://github.com/Alamofire/Alamofire/issues/1765</a></p>
  
  <p>Short Desc about Issue:</p>
  
  <p>The following build commands failed:</p>
  
  <p>CompileSwift normal x86_64
  CompileSwiftSources normal x86_64 com.apple.xcode.tools.swift.compiler</p>
  
  <p>(2 failures)</p>
  
  <p>My Xcode version is 8.0,
  git version 2.8.4 (Apple Git-73),
  and carthage version 0.18.1: Redundant Redundancy</p>
  
  <p>Any help would be highly appricaited</p>