anchor.diff:      version = 3;
       owner = "ncw";
       repo = "rclone";
  -    date = "2017-05-15";
  -    rev = "7ee3cfd7c986dc408eeb81c752db6ac844310b7a";
  -    sha256 = "1v358ki9v3k2scy83xryrx5kxrbxb8wn1dqdax07dam8714ls5rs";
  +    date = "2017-05-19";
  +    rev = "8f54dc06a26025594987c613f2ff9abf4e97f7fa";
  +    sha256 = "0slx2kzgbflax22vlmkrmc90y5c01vfpxp8093wj35cpvcrnlkcn";
       propagatedBuildInputs = [
         aws-sdk-go
         cobra
  
positive.code:     version = 3;
      owner = "pelletier";
      repo = "go-toml";
      rev = "685a1f1cb7a66b9cadbe8f1ac49d9f8f567d6a9d";
      sha256 = "08a6hn3l79sczlqyzf9y4cksmhd8q2mgn5dwdnjrsj9g48n3w3y1";
      propagatedBuildInputs = [
        go-buffruneio
      ];
      meta.useUnstable = true;
      date = "2017-05-11";
    };
  
    go-units = buildFromGitHub {
  
negative.code:   };
  
    genproto = buildFromGitHub {
      version = 3;
      date = "2017-05-17";
      rev = "bb3573be0c484136831138976d444b8754777aff";
      owner  = "google";
      repo   = "go-genproto";
      goPackagePath = "google.golang.org/genproto";
      sha256 = "0cir398iryind1982g4gj99f75n6g2wwb5bswzzbpzjqpq4psc5y";
      propagatedBuildInputs = [
        grpc
        net
  