anchor.diff:  
     gopsutil = buildFromGitHub {
       version = 5;
  -    rev = "v2.17.12";
  +    rev = "v2.18.01";
       owner  = "shirou";
       repo   = "gopsutil";
  -    sha256 = "0zbn3m9330wsj6ahxaxfmcb54w8c24ij0w0vbx0pf3pfs0svhy6h";
  +    sha256 = "1yf7swdxvr0n0l9azg6z5a6ps5lnzdy4vwz8g1w1bxvy743fzn2j";
       buildInputs = [
         sys
         w32
  
positive.code:   };
  
    rcrowley_go-metrics = buildFromGitHub {
      version = 3;
      rev = "e181e095bae94582363434144c61a9653aff6e50";
      date = "2017-11-28";
      owner = "rcrowley";
      repo = "go-metrics";
      sha256 = "1n53lx7yayahawh3mcqi3l0n6agraikgv3ij3hwd0q3262v6z06q";
      propagatedBuildInputs = [
        stathat
      ];
  
negative.code:   };
  
    go-cmp = buildFromGitHub {
      version = 5;
      rev = "3af367b6b30c263d47e8895973edcca9a49cf029";
      owner  = "google";
      repo   = "go-cmp";
      sha256 = "0vl5d3qxwndnv4n5q4dj4b14hnlnpysd09066g3442pda39b147j";
      date = "2018-02-02";
    };
  
    go-collectd = buildFromGitHub {
  