anchor.diff:    };
   
     crypto = buildFromGitHub {
  -    rev = "019870fc9d457ee8abd13a2e93e3f2a3b55b7119";
  -    date = "2016-05-04";
  +    rev = "47ff8dfbc528fea3003fc0ce2d88ffbbfbc46a43";
  +    date = "2016-05-06";
       owner    = "golang";
       repo     = "crypto";
  -    sha256 = "04ycvrrqm2z9j00aazkrxkav5gqhaw04rz7khzk7l1navn3cjjf8";
  +    sha256 = "0bdz4az6xnsgj7ahl8mvxagcl9yrzqfd3q7f873f1a0jlwmkiha5";
       goPackagePath = "golang.org/x/crypto";
       goPackageAliases = [
         "code.google.com/p/go.crypto"
  
positive.code:   };
  
    syncthing = buildFromGitHub rec {
      rev = "v0.12.22";
      owner = "syncthing";
      repo = "syncthing";
      sha256 = "198ac8b828fb70b9202efcd6e1a5aa952981a2bbbe6358a8fc9fce0146631b63";
      buildFlags = [ "-tags noupgrade,release" ];
      buildInputs = [
        go-lz4 du luhn xdr snappy ratelimit osext
  
negative.code:   };
  
    net = buildFromGitHub {
      rev = "2a35e686583654a1b89ca79c4ac78cb3d6529ca3";
      date = "2016-05-06";
      owner  = "golang";
      repo   = "net";
      sha256 = "1zr4pq1kqn42fhxpxics9iw574bywbc21zmcd7ibjx97d3idbfh9";
      goPackagePath = "golang.org/x/net";
      goPackageAliases = [
        "code.google.com/p/go.net"
  