anchor.diff:        profile
         structs
       ];
  -    date = "2017-01-14";
  +    date = "2017-01-19";
     };
   
     mdns = buildFromGitHub {
  
positive.code: 
    google-api-go-client = buildFromGitHub {
      version = 2;
      rev = "8840436417f044055c16fc7e4018f08484f52839";
      date = "2017-01-12";
      owner = "google";
      repo = "google-api-go-client";
      sha256 = "1l0yhjqyaqgkai1y9x2z3z4n6kh8gj8aaj1q2pvc4b39cqmvnh6g";
      goPackagePath = "google.golang.org/api";
      buildInputs = [
        genproto
  
negative.code: 
    circonus-gometrics = buildFromGitHub {
      version = 2;
      date = "2017-01-16";
      rev = "0f610b89a61acb2bee84bb241b8dacb2f3d91e66";
      owner  = "circonus-labs";
      repo   = "circonus-gometrics";
      sha256 = "0w4zwn98zilqhkpw0kjaaqzhpxhwhdjnh0ybjf3qqhsj8nkgn124";
      propagatedBuildInputs = [
        circonusllhist
        go-retryablehttp
  