anchor.diff:    };
   
     logxi = buildFromGitHub {
  +    version = 1;
       date = "2016-04-16";
       rev = "7d364cab682d1b7b9063a3293c9e8c3087194940";
       owner  = "mgutz";
  
positive.code:   };
  
    gohtml = buildFromGitHub {
      owner = "yosssi";
      repo = "gohtml";
      rev = "ccf383eafddde21dfe37c6191343813822b30e6b";
  
negative.code:   };
  
    satori_uuid = buildFromGitHub {
      version = 1;
      rev = "v1.1.0";
      owner = "satori";
      repo = "uuid";
      sha256 = "19xzrdm1x07s7siavy8ssilhzyn89kqqpprmql1vsbplzljl4zgl";
    };
  
    vault = buildFromGitHub {
      version = 1;
      rev = "v0.6.1";
      owner = "hashicorp";
      repo = "vault";
  