anchor.diff:    };
   
     complete = buildFromGitHub {
  -    version = 3;
  -    rev = "v1.1";
  +    version = 5;
  +    rev = "v1.1.1";
       owner  = "posener";
       repo   = "complete";
  -    sha256 = "0n9w20mds2zkgbv5ci7d2wny28yi48hpbw63l4f3i90zdx642w4w";
  +    sha256 = "0bb2bkclyszbpyf59rcyzl1h3nr8kra956145jz8qyibk7vpz9xx";
       propagatedBuildInputs = [
         go-multierror
       ];
  
positive.code:       net
      ];
      postPatch = ''
        find . -name \*.pb.go -exec sed -i {} \
          -e 's,metadata\.FromContext,metadata.FromIncomingContext,' \
          -e 's,metadata\.NewContext,metadata.NewOutgoingContext,' \;
      '';
  
negative.code: 
    procfs = buildFromGitHub {
      version = 5;
      rev = "54d17b57dd7d4a3aa092476596b3f8a933bde349";
      date = "2018-03-10";
      owner  = "prometheus";
      repo   = "procfs";
      sha256 = "0kv50d7nk19wxld54pz7n4xwjdnpxnn2kv2sqjnahprbyaxa7d0i";
    };
  
    profile = buildFromGitHub {
  