anchor.diff:    };
   
     net = buildFromGitHub {
  -    rev = "2a35e686583654a1b89ca79c4ac78cb3d6529ca3";
  -    date = "2016-05-06";
  +    rev = "96dbb961a39ddccf16860cdd355bfa639c497f23";
  +    date = "2016-05-10";
       owner  = "golang";
       repo   = "net";
  -    sha256 = "1zr4pq1kqn42fhxpxics9iw574bywbc21zmcd7ibjx97d3idbfh9";
  +    sha256 = "05wg4mirlbpwsh360lifkyngrs17qrbr8bpbf3bnygiyrnl5m397";
       goPackagePath = "golang.org/x/net";
       goPackageAliases = [
         "code.google.com/p/go.net"
  
positive.code:   };
  
    text = buildFromGitHub {
      rev = "bd1c9905f55d983c0cd0b15cf0c3e2fe860c8902";
      date = "2016-04-28";
      owner = "golang";
      repo = "text";
      sha256 = "15p33l1sf4rm40lkz5jsx368xxyqz17r740pvjc68idhn3xgx6h2";
      goPackagePath = "golang.org/x/text";
      goPackageAliases = [ "github.com/golang/text" ];
    };
  
    tools = buildFromGitHub {
      rev = "0b2f4dcf4db5371000beb66b65cde17aa91a28a2";
      date = "2016-05-01";
      owner = "golang";
      repo = "tools";
      sha256 = "0dqpksaq6rrbf4bm0bd6d0s7rgawr14vc11qb7giqnlb23fmcdih";
      goPackagePath = "golang.org/x/tools";
      goPackageAliases = [ "code.google.com/p/go.tools" ];
  
  
negative.code:   };
  
    dns = buildFromGitHub {
      rev = "b5deb9f6c09fdf6f81acb98398bff176d2b75904";
      date = "2016-05-07";
      owner  = "miekg";
      repo   = "dns";
      sha256 = "0dpz4zb93cxm2vgpxm780nqapyz12js3i4haqa2w6ia1wbp5h44q";
    };
  
    weppos-dnsimple-go = buildFromGitHub {
  