? includes/table.inc
Index: commands/core/core.drush.inc
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/drush/commands/core/core.drush.inc,v
retrieving revision 1.30
diff -u -p -r1.30 core.drush.inc
--- commands/core/core.drush.inc	2 Jun 2009 23:48:31 -0000	1.30
+++ commands/core/core.drush.inc	8 Jun 2009 17:13:41 -0000
@@ -276,8 +276,12 @@ function _core_site_credentials() {
  *
  */
 function drush_core_cron() {
-  drupal_cron_run();
-  drush_print(dt('Cron run successfully.'));
+  if (drupal_cron_run()) {
+    drush_print(dt('Cron run successfully.'));
+  }
+  else {
+    drush_set_error('DRUSH_CRON_FAILED', dt('Cron run failed.'));
+  }
 }
 
 /**