// These are used to discard references to tasks so they can be garbage collected
        Field collectorField;
        try {
            nodeField = groovy.ant.AntBuilder.class.getDeclaredField("lastCompletedNode");
            nodeField.setAccessible(true);
            collectorField = groovy.ant.AntBuilder.class.getDeclaredField("collectorTarget");
            collectorField.setAccessible(true);