anchor.diff:        procfs
         beorn7_perks
       ];
  -    date = "2017-06-30";
  +    date = "2017-07-07";
     };
   
     prometheus_client_model = buildFromGitHub {
  
positive.code:     version = 3;
      owner = "garyburd";
      repo = "redigo";
      date = "2017-06-15";
      rev = "57f1cd7de6175c96b423e7ac2534ff2b39e2ef79";
      sha256 = "0mfdffg7d6n8kmx5hvip7jffyx962g2cbjp51casdf898hrj8jld";
      meta.useUnstable = true;
    };
  
  
negative.code:       go-ansiterm
        go-connections
        go-units
        gogo_protobuf
        gotty
        image-spec
        logrus
  