function processPackageList(tag, tagID, packageList){
// We get a list of package objects for the tag, and we will construct a list of latest builds

  var packageName;

  console.log('Retrieved ' + packageList.length + ' packages for tag ' + tag);

  console.log('Building latest builds list...');

  function getLatestBuild(pkg){
    packageName = pkg['package_name'];
    console.log('Retrieving build for ' + packageName);
    var client = xmlrpc.createClient({ host:  'someurl', port: 80, path: '/brewhub'});
    client.methodCall('getLatestBuilds', [tag, {'__starstar': 1, 'package': packageName}], function (error, value){
      if (value.length == 1){
        latestPackages.push({'packageName': packageName, 'nvr': value[0]['nvr']});
        console.log('Adding Build info for ' + packageName);
      }
    });
  }
  async.forEach(packageList, getLatestBuild, function(err){getBuilds()});
}