anchor.diff:  
     go-mssqldb = buildFromGitHub {
       version = 6;
  -    rev = "b594cb31ff9cf2d061450ef0e1cc1f33fd211a5a";
  +    rev = "2e93935aa9096273693401939a61fb8a9b2c9d14";
       owner = "denisenkom";
       repo = "go-mssqldb";
  -    sha256 = "08vzm9jdnw5fhnqlq9snwaxizx101adjd1s2252kcc7scrq5av5l";
  -    date = "2018-03-27";
  +    sha256 = "0zrri11am0s4q7887mcf641hrxynpr9mlvw4gksgvhap8y86cqji";
  +    date = "2018-03-30";
       buildInputs = [
         crypto
         net
  
positive.code: 
    google-cloud-go = buildFromGitHub {
      version = 6;
      date = "2018-03-28";
      rev = "905d920a7613b2836f89e3d7bd3f5c777da1910f";
      owner = "GoogleCloudPlatform";
      repo = "google-cloud-go";
      sha256 = "0zrswsvcfydwk62b68hyh2i37ig6mfjacmi5ikfxznfwjq28x5z6";
      goPackagePath = "cloud.google.com/go";
      goPackageAliases = [
        "google.golang.org/cloud"
  
negative.code:   };
  
    scaleway-sdk = buildFromGitHub {
      version = 6;
      owner = "nicolai86";
      repo = "scaleway-sdk";
      rev = "d749f7b83389f1afe19b81a610fad5ebb7a12744";
      sha256 = "0lp7a62h7d2arx8sfvacrvzqhpxwn9qyr8j5gs6lydyxvnq5lx9f";
      meta.useUnstable = true;
      date = "2018-04-01";
      goPackageAliases = [
        "github.com/nicolai86/scaleway-sdk/api"
      ];
  