fails
```
{"created_at"=>"2014-05-27T20:57:36+00:00",
 "id"=>"69aa9c9c-6809-4164-a1d6-bd9eabcc63e7",
 "source_blob"=>
  {"url"=>
    "https://g5-theme-garden-tarballs.s3-us-west-1.amazonaws.com/8d4f594576f18759b7e55440ad35fa8b.tar",
   "version"=>"v1.3.0"},
 "slug"=>{"id"=>nil},
 "status"=>"failed",
 "updated_at"=>"2014-05-27T20:57:37+00:00",
 "user"=>
  {"email"=>"la.team@getg5.com", "id"=>"b259044d-e017-4725-9ec0-b4e7973c8396"}}
```