autobuild[sn-devel-184]: intermittent test failure detected

[autobuild]

The autobuild test system (on sn-devel-184) has detected an intermittent failing test in 
the current master tree.

The autobuild log of the failure is available here:

   https://git.samba.org/autobuild.flakey.sn-devel-184/2019-03-12-0956/flakey.log

The failure seems to be in the "samba-nt4" suite, whose build logs are available here:

   https://git.samba.org/autobuild.flakey.sn-devel-184/2019-03-12-0956/samba-nt4.stderr
   https://git.samba.org/autobuild.flakey.sn-devel-184/2019-03-12-0956/samba-nt4.stdout
  
The top commit at the time of the failure was:

commit a68e8af2d1b92ba9a94fc7cc1eb98cdca687d5fd
Author: Tim Beale <timbeale at catalyst.net.nz>
Date:   Mon Mar 11 16:03:34 2019 +1300

    testsuite: Remove build_farm testsuites
    
    This test code is not run (and has not been run for about a decade).
    Let's remove it - it's there in the git history if we ever want to try
    to repurpose it again.
    
    Signed-off-by: Tim Beale <timbeale at catalyst.net.nz>
    Reviewed-by: Andrew Bartlett <abartlet at samba.org>
    
    Autobuild-User(master): Andrew Bartlett <abartlet at samba.org>
    Autobuild-Date(master): Tue Mar 12 02:56:05 UTC 2019 on sn-devel-144

and the last 50 lines of the stdout log were:

(../../source4/torture/smb2/util.c:158) change_time not setup correctly: Thu Apr 11 09:55:40 2019 UTC(131994501400000000) => Mon Jun 10 09:55:40 2019 UTC(132046341400000000)
(../../source4/torture/smb2/util.c:158) change_time not setup correctly: Thu Apr 11 09:55:40 2019 UTC(131994501400000000) => Mon Jun 10 09:55:40 2019 UTC(132046341400000000)
(../../source4/torture/smb2/util.c:158) change_time not setup correctly: Thu Apr 11 09:55:40 2019 UTC(131994501400000000) => Mon Jun 10 09:55:40 2019 UTC(132046341400000000)
(../../source4/torture/smb2/util.c:158) change_time not setup correctly: Thu Apr 11 09:55:40 2019 UTC(131994501400000000) => Mon Jun 10 09:55:40 2019 UTC(132046341400000000)
(../../source4/torture/smb2/util.c:158) change_time not setup correctly: Thu Apr 11 09:55:42 2019 UTC(131994501420000000) => Mon Jun 10 09:55:42 2019 UTC(132046341420000000)
(../../source4/torture/smb2/util.c:158) change_time not setup correctly: Thu Apr 11 09:55:42 2019 UTC(131994501420000000) => Mon Jun 10 09:55:42 2019 UTC(132046341420000000)
(../../source4/torture/smb2/util.c:158) change_time not setup correctly: Thu Apr 11 09:55:42 2019 UTC(131994501420000000) => Mon Jun 10 09:55:42 2019 UTC(132046341420000000)
(../../source4/torture/smb2/util.c:158) change_time not setup correctly: Thu Apr 11 09:55:42 2019 UTC(131994501420000000) => Mon Jun 10 09:55:42 2019 UTC(132046341420000000)
(../../source4/torture/smb2/util.c:158) change_time not setup correctly: Thu Apr 11 09:55:42 2019 UTC(131994501420000000) => Mon Jun 10 09:55:42 2019 UTC(132046341420000000)
(../../source4/torture/smb2/util.c:158) change_time not setup correctly: Thu Apr 11 09:55:42 2019 UTC(131994501420000000) => Mon Jun 10 09:55:42 2019 UTC(132046341420000000)
(../../source4/torture/smb2/util.c:158) change_time not setup correctly: Thu Apr 11 09:55:42 2019 UTC(131994501420000000) => Mon Jun 10 09:55:42 2019 UTC(132046341420000000)
(../../source4/torture/smb2/util.c:158) change_time not setup correctly: Thu Apr 11 09:55:42 2019 UTC(131994501420000000) => Mon Jun 10 09:55:42 2019 UTC(132046341420000000)
(../../source4/torture/smb2/util.c:158) change_time not setup correctly: Thu Apr 11 09:55:44 2019 UTC(131994501440000000) => Mon Jun 10 09:55:44 2019 UTC(132046341440000000)
(../../source4/torture/smb2/util.c:158) change_time not setup correctly: Thu Apr 11 09:55:44 2019 UTC(131994501440000000) => Mon Jun 10 09:55:44 2019 UTC(132046341440000000)
(../../source4/torture/smb2/util.c:158) change_time not setup correctly: Thu Apr 11 09:55:44 2019 UTC(131994501440000000) => Mon Jun 10 09:55:44 2019 UTC(132046341440000000)
(../../source4/torture/smb2/util.c:158) change_time not setup correctly: Thu Apr 11 09:55:44 2019 UTC(131994501440000000) => Mon Jun 10 09:55:44 2019 UTC(132046341440000000)
(../../source4/torture/smb2/util.c:158) change_time not setup correctly: Thu Apr 11 09:55:44 2019 UTC(131994501440000000) => Mon Jun 10 09:55:44 2019 UTC(132046341440000000)
(../../source4/torture/smb2/util.c:158) change_time not setup correctly: Thu Apr 11 09:55:44 2019 UTC(131994501440000000) => Mon Jun 10 09:55:44 2019 UTC(132046341440000000)
(../../source4/torture/smb2/util.c:158) change_time not setup correctly: Thu Apr 11 09:55:44 2019 UTC(131994501440000000) => Mon Jun 10 09:55:44 2019 UTC(132046341440000000)
(../../source4/torture/smb2/util.c:158) change_time not setup correctly: Thu Apr 11 09:55:44 2019 UTC(131994501440000000) => Mon Jun 10 09:55:44 2019 UTC(132046341440000000)
(../../source4/torture/smb2/util.c:158) change_time not setup correctly: Thu Apr 11 09:55:44 2019 UTC(131994501440000000) => Mon Jun 10 09:55:44 2019 UTC(132046341440000000)
(../../source4/torture/smb2/util.c:158) change_time not setup correctly: Thu Apr 11 09:55:46 2019 UTC(131994501460000000) => Mon Jun 10 09:55:46 2019 UTC(132046341460000000)
(../../source4/torture/smb2/util.c:158) change_time not setup correctly: Thu Apr 11 09:55:46 2019 UTC(131994501460000000) => Mon Jun 10 09:55:46 2019 UTC(132046341460000000)
(../../source4/torture/smb2/util.c:158) change_time not setup correctly: Thu Apr 11 09:55:46 2019 UTC(131994501460000000) => Mon Jun 10 09:55:46 2019 UTC(132046341460000000)
(../../source4/torture/smb2/util.c:158) change_time not setup correctly: Thu Apr 11 09:55:46 2019 UTC(131994501460000000) => Mon Jun 10 09:55:46 2019 UTC(132046341460000000)
(../../source4/torture/smb2/util.c:158) change_time not setup correctly: Thu Apr 11 09:55:46 2019 UTC(131994501460000000) => Mon Jun 10 09:55:46 2019 UTC(132046341460000000)
(../../source4/torture/smb2/util.c:158) change_time not setup correctly: Thu Apr 11 09:55:46 2019 UTC(131994501460000000) => Mon Jun 10 09:55:46 2019 UTC(132046341460000000)
(../../source4/torture/smb2/util.c:158) change_time not setup correctly: Thu Apr 11 09:55:46 2019 UTC(131994501460000000) => Mon Jun 10 09:55:46 2019 UTC(132046341460000000)
(../../source4/torture/smb2/util.c:158) change_time not setup correctly: Thu Apr 11 09:55:46 2019 UTC(131994501460000000) => Mon Jun 10 09:55:46 2019 UTC(132046341460000000)
(../../source4/torture/smb2/util.c:158) change_time not setup correctly: Thu Apr 11 09:55:46 2019 UTC(131994501460000000) => Mon Jun 10 09:55:46 2019 UTC(132046341460000000)
UNEXPECTED(failure): samba3.smb2.notify.mask(nt4_dc)
REASON: Exception: Exception: ERROR: nchanges=1 action=2 expectedAction=1 filter=0x00000004

FAILED (1 failures, 0 errors and 0 unexpected successes in 0 testsuites)

A summary with detailed information can be found in:
  ./bin/ab/summary
TOP 10 slowest tests
samba3.raw.notify(nt4_dc) -> 117
samba3.raw.search(nt4_dc) -> 102
samba3.blackbox.net.rpc.conf(nt4_dc) -> 88
samba3.base.dir2(nt4_dc) -> 58
samba3.blackbox.net.local.conf(nt4_dc:local) -> 55
samba3.raw.oplock(nt4_dc) -> 54
samba3.raw.lock(nt4_dc) -> 35
samba3.raw.search(nt4_dc) -> 33
samba3.smbtorture_s3.crypt_client.OPLOCK1(nt4_dc) -> 30
samba3.smbtorture_s3.crypt_client.LOCK1(nt4_dc) -> 20
ERROR: test failed with exit code 1
Makefile:16: recipe for target 'test' failed