autobuild: intermittent test failure detected

[autobuild]

The autobuild test system has detected an intermittent failing test in 
the current master tree.

The autobuild log of the failure is available here:

   http://git.samba.org/autobuild.flakey/2015-05-20-1304/flakey.log

The samba build logs are available here:

   http://git.samba.org/autobuild.flakey/2015-05-20-1304/samba.stderr
   http://git.samba.org/autobuild.flakey/2015-05-20-1304/samba.stdout
  
The top commit at the time of the failure was:

commit 0dcf5357959d2bc5cb984eb0276684b56477ed62
Author: Jelmer Vernooij <jelmer at samba.org>
Date:   Mon May 18 20:19:23 2015 +0000

    Factor out submodule presence checking.
    
    Signed-off-by: Jelmer Vernooij <jelmer at samba.org>
    Reviewed-by: Andrew Bartlett <abartlet at samba.org>
    
    Autobuild-User(master): Andrew Bartlett <abartlet at samba.org>
    Autobuild-Date(master): Tue May 19 22:17:48 CEST 2015 on sn-devel-104