anchor.diff:    };
   
     mailgun_ttlmap = buildFromGitHub {
  -    version = 2;
  +    version = 3;
       owner = "mailgun";
       repo = "ttlmap";
  -    rev = "8210f93bcb6393a9f36a22ac02fb3c4f53289850";
  -    sha256 = "1ir31h07xmjwkn0mnx3hkp6mj0x1qa58ling09czxqjqwm263ab3";
  -    date = "2016-08-25";
  +    rev = "c1c17f74874f2a5ea48bfb06b5459d4ef2689749";
  +    sha256 = "0v0ib54klps23bziczws1vk5vqv3649pl0gamirzzj6z0fcmn08s";
  +    date = "2017-06-19";
       propagatedBuildInputs = [
         minheap
         timetools
  
positive.code:       go-rootcerts
        go-semver
        go-syslog
        go-zookeeper
        gocql
        golang-lru
  
negative.code: 
    google-cloud-go = buildFromGitHub {
      version = 3;
      date = "2017-06-20";
      rev = "1de0ed4e08034a9c7876ac0388a3ce4829975c2d";
      owner = "GoogleCloudPlatform";
      repo = "google-cloud-go";
      sha256 = "0xw0cm7xvvlfadxa8ivqk6ia99fw4pmrx9ndfr6h6dnzl7xg3ixg";
      goPackagePath = "cloud.google.com/go";
      goPackageAliases = [
        "google.golang.org/cloud"
  