anchor.diff:  
     go-reuseport = buildFromGitHub {
       version = 6;
  -    rev = "0a2ac17eec90004010c11491ca977499830d2b7e";
  +    rev = "b2f2e4cd8932fbd181b9202ffa22bd5206390045";
       owner = "libp2p";
       repo = "go-reuseport";
  -    sha256 = "0rp5sinbdlc87zwdppzyr5da4p5g1gqlv4w73lz7mb6g6fbgkzp0";
  -    date = "2018-03-24";
  +    sha256 = "0xksakqdaf6w67nzrfs3v6cgz82nh15ywb7c6j0w6ai0iv7zi5dy";
  +    date = "2018-03-29";
       excludedPackages = "test";
       propagatedBuildInputs = [
         eventfd
  
positive.code: 
    gophercloud = buildFromGitHub {
      version = 6;
      rev = "2daf3049f2a9913e6e5bf54926fd90efb1f9a0f0";
      owner = "gophercloud";
      repo = "gophercloud";
      sha256 = "1srq3gkzfvn2gc7zj46p4yb691wrmhcbm2jpbvaiynkw91l6v1pv";
      date = "2018-03-27";
      excludedPackages = "test";
      propagatedBuildInputs = [
        crypto
  
negative.code:       net
      ];
      meta.useUnstable = true;
      date = "2018-04-02";
    };
  
    open-golang = buildFromGitHub {
  