autobuild[sn-devel-144]: intermittent test failure detected

[autobuild]

The autobuild test system (on sn-devel-144) 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.sn-devel-144/2017-12-13-2142/flakey.log

The samba build logs are available here:

   http://git.samba.org/autobuild.flakey.sn-devel-144/2017-12-13-2142/samba.stderr
   http://git.samba.org/autobuild.flakey.sn-devel-144/2017-12-13-2142/samba.stdout
  
The top commit at the time of the failure was:

commit fcaeffde4eaa1c45b69b2a62b8cad8642cc18220
Author: Karolin Seeger <kseeger at samba.org>
Date:   Tue Dec 12 09:08:06 2017 +0100

    docs-xml/manpages: Use new doc.version XML entity.
    
    BUG: https://bugzilla.samba.org/show_bug.cgi?id=9531
    
    Signed-off-by: Karolin Seeger <kseeger at samba.org>
    Reviewed-by: Stefan Metzmacher <metze at samba.org>
    Reviewed-by: Andreas Schneider <asn at samba.org>
    
    Autobuild-User(master): Andreas Schneider <asn at cryptomilk.org>
    Autobuild-Date(master): Wed Dec 13 17:22:01 CET 2017 on sn-devel-144