anchor.diff:  
     go-connections = buildFromGitHub {
       version = 2;
  -    rev = "a2afab9802043837035592f1c24827fb70766de9";
  +    rev = "e15c02316c12de00874640cd76311849de2aeed5";
       owner  = "docker";
       repo   = "go-connections";
  -    sha256 = "0yzfn0kg041qms5qq4j0dim3943ibfp6w1y3ah4chg46vvib48m4";
  -    propagatedBuildInputs = [
  +    sha256 = "154a8z0jcqqqgnn1x08q1yffb09hz90qvpqs5h45676anb7cb8a8";
  +    propagatedBuildInputs = [
  +      errors
  +      go-winio
         logrus
  -      go-winio
         net
         runc
       ];
  -    date = "2017-03-01";
  +    date = "2017-03-31";
     };
   
     go-couchbase = buildFromGitHub {
  
positive.code: 
    prometheus_client_golang = buildFromGitHub {
      version = 2;
      rev = "738ed6c0b9b30ec936d4b74c1600ae76324efff5";
      owner = "prometheus";
      repo = "client_golang";
      sha256 = "002s3qdvw0i9py2xm875v5cfyfl6rk8rnjqk875sff01g7kg7gmz";
      propagatedBuildInputs = [
        goautoneg
        net
  
negative.code: 
    tools = buildFromGitHub {
      version = 2;
      rev = "37a1062ad0bb70f026cd45d6b92cb37eacd927bb";
      date = "2017-04-03";
      owner = "golang";
      repo = "tools";
      sha256 = "0mj2gjbz495vq05v5sq3mm9nj93qq8xc9n86cbfc0c7xr6mrxmj6";
      goPackagePath = "golang.org/x/tools";
      goPackageAliases = [ "code.google.com/p/go.tools" ];
  
  