--- a/mercurial-common/src/jetbrains/buildServer/buildTriggers/vcs/mercurial/command/VcsRootCommand.java	Fri Feb 03 13:23:18 2012 +0400
+++ b/mercurial-common/src/jetbrains/buildServer/buildTriggers/vcs/mercurial/command/VcsRootCommand.java	Wed Feb 08 10:43:17 2012 +0400
@@ -35,7 +35,8 @@
     return CommandUtil.runCommand(cli, with.privateData(getPrivateData()));
   }
 
-  private Set<String> getPrivateData() {
-    return Collections.singleton(mySettings.getPassword());
+  protected Set<String> getPrivateData() {
+    String password = mySettings.getPassword();
+    return password != null ? Collections.singleton(password) : Collections.<String>emptySet();
   }
 }