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/2015-05-21-0638/flakey.log

The samba build logs are available here:

   http://git.samba.org/autobuild.flakey/2015-05-21-0638/samba.stderr
   http://git.samba.org/autobuild.flakey/2015-05-21-0638/samba.stdout
  
The top commit at the time of the failure was:

commit 435ddd8223eaa6fafb62cead0399bdd042d998e8
Author: Stefan Metzmacher <metze at samba.org>
Date:   Mon May 18 13:17:40 2015 +0200

    s3:winbindd: make sure we remove pending io requests before closing client sockets
    
    This avoids a crash inside the tevent epoll backend.
    
    BUG: https://bugzilla.samba.org/show_bug.cgi?id=11141
    
    Signed-off-by: Stefan Metzmacher <metze at samba.org>
    Reviewed-by: Jeremy Allison <jra at samba.org>
    
    Autobuild-User(master): Stefan Metzmacher <metze at samba.org>
    Autobuild-Date(master): Wed May 20 22:16:54 CEST 2015 on sn-devel-104