anchor.diff:      version = 2;
       owner = "minio";
       repo = "minio-go";
  -    rev = "6b96fedaae1177cb670c5bc70fb438446cd96d9c";
  -    sha256 = "0f38asxc36izsmw8i4186lf8i22a8frdapf321qimxfdr9ncvx8p";
  +    rev = "a71ac37cae7d8208f0dccf430e8ea23f37388535";
  +    sha256 = "0s0ivsi68ph86m9l674v0brrgynmvydy5kj8g89rqrcz302qd9y7";
       meta.useUnstable = true;
  -    date = "2017-04-17";
  +    date = "2017-04-23";
     };
   
     missinggo = buildFromGitHub {
  
positive.code:     version = 2;
      owner = "olivere";
      repo = "elastic";
      rev = "v5.0.35";
      sha256 = "12cx00cbnzx4mvsq2r7mw55k1f9p628k5wjknk131ag7mwjr06bp";
      goPackagePath = "gopkg.in/olivere/elastic.v5";
      propagatedBuildInputs = [
        net
  
negative.code: 
    net = buildFromGitHub {
      version = 2;
      rev = "d212a1ef2de2f5d441c327b8f26cf3ea3ea9f265";
      date = "2017-04-23";
      owner  = "golang";
      repo   = "net";
      sha256 = "1c161xdfcakl58pawah66lgsrhc43yir7yvif5q6s8mx9mc4ixm0";
      goPackagePath = "golang.org/x/net";
      goPackageAliases = [
        "github.com/hashicorp/go.net"
  