anchor.diff:      ];
       excludedPackages = "fstest";
       meta.useUnstable = true;
  -    date = "2017-04-23";
  +    date = "2017-04-25";
     };
   
     cupcake_rdb = buildFromGitHub {
  
positive.code: 
    crypto = buildFromGitHub {
      version = 2;
      rev = "96846453c37f0876340a66a47f3f75b1f3a6cd2d";
      date = "2017-04-21";
      owner    = "golang";
      repo     = "crypto";
      sha256 = "1si0qs5p3qg6y51ysi56jsg6vx0vgja5cy2g0dj27kgyjrl7hg4l";
      goPackagePath = "golang.org/x/crypto";
      goPackageAliases = [
        "code.google.com/p/go.crypto"
  
negative.code:     version = 2;
      owner = "minio";
      repo = "mc";
      rev = "61e511cc3e4d80f7910869c37a3a200b2e438d10";
      sha256 = "1yzm7l5nx7sv9izlrsswxj9h2crb43h0flfj3ncmssqvx84mp262";
      propagatedBuildInputs = [
        cli_minio
        color
  