anchor.diff:        testify
       ];
       meta.useUnstable = true;
  -    date = "2017-02-04";
  +    date = "2017-02-09";
     };
   
     cupcake_rdb = buildFromGitHub {
  
positive.code:   };
  
    go-cleanhttp = buildFromGitHub {
      version = 1;
      date = "2016-04-07";
      rev = "ad28ea4487f05916463e2423a55166280e8254b5";
      owner = "hashicorp";
      repo = "go-cleanhttp";
      sha256 = "1knpnv6wg2fnnsk2h2bj4m003f7xsvwm58vnn9gc753mbr78vx00";
    };
  
    go-collectd = buildFromGitHub {
  
negative.code: 
    google-api-go-client = buildFromGitHub {
      version = 2;
      rev = "2da5589ad30130b51fa58b5acbceaeb647ebe06e";
      date = "2017-02-10";
      owner = "google";
      repo = "google-api-go-client";
      sha256 = "18l5d97qq27b13l8clh4ij2gpl8r465dfwkdpbbnx25bw1md4my9";
      goPackagePath = "google.golang.org/api";
      buildInputs = [
        genproto
  