Version 0.4.3.3 .

editor/tools/plugins/com.google.dart.tools.core/src/com/google/dart/tools/core/pub/PubBuildParticipant.java

 /*
  * Copyright (c) 2012, the Dart project authors.
  * 
  * Licensed under the Eclipse Public License v1.0 (the "License"); you may not use this file except
  * in compliance with the License. You may obtain a copy of the License at
  * 
  * http://www.eclipse.org/legal/epl-v10.html
  * 
  * Unless required by applicable law or agreed to in writing, software distributed under the License
  * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
@@ skipping 154 matching lines @@
 
   /**
    * Execute the pub operation. This is overridden when testing this class to record the intent to
    * run pub but prevent actually running pub.
    * 
    * @param container the working directory in which pub should be run (not <code>null</code>)
    * @param monitor the progress monitor (not <code>null</code>)
    */
   protected void runPub(IContainer container, final IProgressMonitor monitor) {
     if (DartCore.getPlugin().isAutoRunPubEnabled()) {
-      new RunPubJob(container, RunPubJob.INSTALL_COMMAND).schedule();
+      new RunPubJob(container, RunPubJob.INSTALL_COMMAND).run(monitor);
     } else {
       MessageConsole console = DartCore.getConsole();
       console.printSeparator("");
       console.println("Run Tools > Pub Install to install packages");
     }
   }
 }