anchor.diff:        net
         sys
       ];
  -    date = "2017-05-08";
  +    date = "2017-05-10";
     };
   
     google-cloud-go = buildFromGitHub {
       version = 3;
  -    date = "2017-05-09";
  -    rev = "30702f1fe4fb6561c6cae311b78d34c1df252c9b";
  +    date = "2017-05-11";
  +    rev = "2f1da830aa128621a5d733b385d25aa6641269c8";
       owner = "GoogleCloudPlatform";
       repo = "google-cloud-go";
  -    sha256 = "1h2xhja70v244izn5a7anq0ap8naiggl290jdwp6xa1ix9l9c2kg";
  +    sha256 = "11iv29fg2cid5w7zvjglb5747nznzny6z60zyllhqq45mkli1n2a";
       goPackagePath = "cloud.google.com/go";
       goPackageAliases = [
         "google.golang.org/cloud"
  
positive.code:   };
  
    go-libp2p-crypto = buildFromGitHub {
      version = 2;
      owner = "libp2p";
      repo = "go-libp2p-crypto";
      date = "2017-03-24";
      rev = "44f2577a272ee92e8597dc08213bf86e1ee21007";
      sha256 = "05l5gqiw6s666cah76p2w1w16jnjdvjgjn5smfxd26cgsyi1d655";
      propagatedBuildInputs = [
        btcd
        ed25519
  
negative.code: 
    go-github = buildFromGitHub {
      version = 3;
      date = "2017-05-11";
      rev = "ebcd064cfd3ddc04f869c159f3192f2de276483f";
      owner = "google";
      repo = "go-github";
      sha256 = "0xzhc6k1lr4wjp130dmm3a39jzms19v54r6900i2vwfxksz2igf1";
      buildInputs = [
        appengine
        oauth2
  