anchor.diff:    };
   
     net = buildFromGitHub {
  -    rev = "96dbb961a39ddccf16860cdd355bfa639c497f23";
  -    date = "2016-05-10";
  +    rev = "ef00b378c73f107bf44d5c9b69875255ce89b79a";
  +    date = "2016-05-14";
       owner  = "golang";
       repo   = "net";
  -    sha256 = "05wg4mirlbpwsh360lifkyngrs17qrbr8bpbf3bnygiyrnl5m397";
  +    sha256 = "1fjqpfknz6vi83a5g17wfgxpr2wrdh70vqc68lkl1dkwws92pbrc";
       goPackagePath = "golang.org/x/net";
       goPackageAliases = [
         "code.google.com/p/go.net"
  
positive.code:   };
  
    ginkgo = buildFromGitHub {
      rev = "2c2e9bb47b4e44067024f29339588cac8b34dd12";
      owner = "onsi";
      repo = "ginkgo";
      sha256 = "36f14f864756e7d0af8580a64e73018e688f875fbee009a83405eb5f2316c423";
      date = "2016-04-09";
    };
  
    ugorji_go = buildFromGitHub {
  
negative.code:   };
  
    crypto = buildFromGitHub {
      rev = "b6789ab629056511030d652d851e7dc10c9e9c9e";
      date = "2016-05-04";
      owner    = "golang";
      repo     = "crypto";
      sha256 = "1a2jb9sx81x18fj6vf8awx7lwaqpxs1b7lvfw5srp6jhhvi0a2jv";
      goPackagePath = "golang.org/x/crypto";
      goPackageAliases = [
        "code.google.com/p/go.crypto"
  