anchor.diff:      ];
       excludedPackages = "fstest";
       meta.useUnstable = true;
  -    date = "2017-03-24";
  +    date = "2017-03-29";
     };
   
     cupcake_rdb = buildFromGitHub {
  
positive.code:       profile
        structs
      ];
      date = "2017-03-26";
    };
  
    mdns = buildFromGitHub {
  
negative.code: 
    go-ethereum = buildFromGitHub {
      version = 2;
      date = "2017-03-30";
      rev = "c4a0efafd71519a4ef4542af7ca492b4b50f918a";
      owner  = "ethereum";
      repo   = "go-ethereum";
      sha256 = "0p8qh1wcicynqkj214acmxa4ra42f785ggqh5dilnd00zfsjndb8";
      subPackages = [
        "crypto/sha3"
      ];
  