Travis OSX should handle curl failure
Travis OSX should handle curl failure

Summary: Closes https://github.com/facebook/flow/pull/1774

Reviewed By: mroch

Differential Revision: D3289801

Pulled By: gabelevi

fbshipit-source-id: 84708f8c6e7d23f4df67fbe2f8b3595aaea3461a

MichaelDeBoey/flow,ylu1317/flow,TiddoLangerak/flow,MichaelDeBoey/flow,AgentME/flow,AprilArcus/flow,AgentME/flow,jdelStrother/flow,nmote/flow,chenglou/flow,jdelStrother/flow,jamesgpearce/flow,TiddoLangerak/flow,JonathanUsername/flow,JonathanUsername/flow,mroch/flow,mroch/flow,gabro/flow,mroch/flow,TiddoLangerak/flow,mroch/flow,AprilArcus/flow,TiddoLangerak/flow,jgrund/flow,gabro/flow,mroch/flow,JonathanUsername/flow,JonathanUsername/flow,fletcherw/flow,AprilArcus/flow,jamesgpearce/flow,JonathanUsername/flow,facebook/flow,claudiopro/flow,popham/flow,chenglou/flow,samwgoldman/flow,nmote/flow,AgentME/flow,AprilArcus/flow,jeffmo/flow,samwgoldman/flow,cesarandreu/flow,jamesgpearce/flow,samwgoldman/flow,gabelevi/flow,AprilArcus/flow,chenglou/flow,JonathanUsername/flow,ForbesLindesay/flow,ForbesLindesay/flow,jeffmo/flow,popham/flow,fletcherw/flow,fletcherw/flow,jamesgpearce/flow,mroch/flow,TiddoLangerak/flow,jeffmo/flow,facebook/flow,popham/flow,AgentME/flow,AgentME/flow,chenglou/flow,nmote/flow,samwgoldman/flow,ForbesLindesay/flow,facebook/flow,ylu1317/flow,jeffmo/flow,cesarandreu/flow,samwgoldman/flow,cesarandreu/flow,nmote/flow,nmote/flow,jamesgpearce/flow,jeffmo/flow,gabelevi/flow,MichaelDeBoey/flow,MichaelDeBoey/flow,jdelStrother/flow,facebook/flow,ForbesLindesay/flow,claudiopro/flow,samwgoldman/flow,jamesgpearce/flow,jeffmo/flow,nmote/flow,AprilArcus/flow,jgrund/flow,jgrund/flow,jgrund/flow,samwgoldman/flow,claudiopro/flow,ylu1317/flow,fletcherw/flow,jdelStrother/flow,facebook/flow,nmote/flow,jgrund/flow,MichaelDeBoey/flow,ForbesLindesay/flow,gabelevi/flow,fletcherw/flow,ForbesLindesay/flow,claudiopro/flow,popham/flow,facebook/flow,gabelevi/flow,gabro/flow,jgrund/flow,popham/flow,gabro/flow,gabelevi/flow,chenglou/flow,gabro/flow,JonathanUsername/flow,popham/flow,chenglou/flow,jdelStrother/flow,jdelStrother/flow,ylu1317/flow,gabro/flow,fletcherw/flow,mroch/flow,claudiopro/flow,popham/flow,facebook/flow,cesarandreu/flow,jamesgpearce/flow,ylu1317/flow,gabelevi/flow,gabelevi/flow