anchor.diff:      subPackages = [
         "."
       ];
  -    date = "2016-10-17";
  +    date = "2016-10-18";
     };
   
     lemma = buildFromGitHub {
  
positive.code:     propagatedBuildInputs = [
        go-units
      ];
      date = "2016-10-17";
    };
  
    docker_for_go-dockerclient = buildFromGitHub {
  
negative.code: 
    text = buildFromGitHub {
      version = 2;
      rev = "a35b82c6add3543753645decf6532c40cac8b855";
      date = "2016-10-18";
      owner = "golang";
      repo = "text";
      sha256 = "1q1cam8ywjn0k5cbar29shq5qgg9ypysnp51qkx8nn084f10xgzz";
      goPackagePath = "golang.org/x/text";
      goPackageAliases = [ "github.com/golang/text" ];
      excludedPackages = "cmd";
  