anchor.diff:  
     net = buildFromGitHub {
       version = 2;
  -    rev = "0ab64c594a6a5489089faa1e7b2b541110f31eb5";
  -    date = "2017-01-06";
  +    rev = "f2499483f923065a842d38eb4c7f1927e6fc6e6d";
  +    date = "2017-01-14";
       owner  = "golang";
       repo   = "net";
  -    sha256 = "1q3fh42bfwj7bjskffrdlcwnbh4rk2lrz54719fvb3vn3wj87vpd";
  +    sha256 = "00220xp5nczzyhm5b71hnx8qj7xc6hxvv7h0psb1bi4sbwbgkzp3";
       goPackagePath = "golang.org/x/net";
       goPackageAliases = [
         "github.com/hashicorp/go.net"
  
positive.code:     version = 2;
      owner = "ncw";
      repo = "rclone";
      rev = "45862f4c1634ec05e49110f17f2714ce1471a012";
      sha256 = "1ig66vlw38vjbq58d687kpgvmq9l67y8gr0fqxh81hkn8bsbin28";
      propagatedBuildInputs = [
        aws-sdk-go
        cobra
  
negative.code:       testify
      ];
      meta.useUnstable = true;
      date = "2017-01-14";
    };
  
    cupcake_rdb = buildFromGitHub {
  