Version: 8350.0.0/52.0.2739.0

5/20 08:02:28.770 ERROR|         traceback:0013| Traceback (most recent call last):
05/20 08:02:28.771 ERROR|         traceback:0013|   File "/usr/local/autotest/server/autoserv", line 547, in run_autoserv
05/20 08:02:28.772 ERROR|         traceback:0013|     use_packaging=(not no_use_packaging))
05/20 08:02:28.772 ERROR|         traceback:0013|   File "/usr/local/autotest/server/site_server_job.py", line 65, in run
05/20 08:02:28.773 ERROR|         traceback:0013|     super(site_server_job, self).run(*args, **dargs)
05/20 08:02:28.773 ERROR|         traceback:0013|   File "/usr/local/autotest/server/server_job.py", line 684, in run
05/20 08:02:28.773 ERROR|         traceback:0013|     self._execute_code(server_control_file, namespace)
05/20 08:02:28.774 ERROR|         traceback:0013|   File "/usr/local/autotest/server/server_job.py", line 1182, in _execute_code
05/20 08:02:28.774 ERROR|         traceback:0013|     execfile(code_file, namespace, namespace)
05/20 08:02:28.775 ERROR|         traceback:0013|   File "/usr/local/autotest/results/63996432-chromeos-test/control.srv", line 61, in <module>
05/20 08:02:28.775 ERROR|         traceback:0013|     parallel_simple(run_test, machines)
05/20 08:02:28.775 ERROR|         traceback:0013|   File "/usr/local/autotest/server/subcommand.py", line 93, in parallel_simple
05/20 08:02:28.776 ERROR|         traceback:0013|     function(arg)
05/20 08:02:28.777 ERROR|         traceback:0013|   File "/usr/local/autotest/results/63996432-chromeos-test/control.srv", line 57, in run_test
05/20 08:02:28.777 ERROR|         traceback:0013|     job_repo_url=job_repo_url)
05/20 08:02:28.778 ERROR|         traceback:0013|   File "/usr/local/autotest/server/server_job.py", line 755, in run_test
05/20 08:02:28.778 ERROR|         traceback:0013|     result, exc_info = self._run_group(testname, subdir, group_func)
05/20 08:02:28.779 ERROR|         traceback:0013|   File "/usr/local/autotest/server/server_job.py", line 779, in _run_group
05/20 08:02:28.779 ERROR|         traceback:0013|     raise error.JobError(name + ' failed\n' + traceback.format_exc())
05/20 08:02:28.779 ERROR|         traceback:0013| JobError: autoupdate_Rollback failed
05/20 08:02:28.780 ERROR|         traceback:0013| Traceback (most recent call last):
05/20 08:02:28.780 ERROR|         traceback:0013|   File "/usr/local/autotest/server/server_job.py", line 771, in _run_group
05/20 08:02:28.781 ERROR|         traceback:0013|     result = function(*args, **dargs)
05/20 08:02:28.781 ERROR|         traceback:0013|   File "/usr/local/autotest/server/server_job.py", line 744, in group_func
05/20 08:02:28.781 ERROR|         traceback:0013|     test.runtest(self, url, tag, args, dargs)
05/20 08:02:28.782 ERROR|         traceback:0013|   File "/usr/local/autotest/server/test.py", line 289, in runtest
05/20 08:02:28.782 ERROR|         traceback:0013|     *logging_args)
05/20 08:02:28.782 ERROR|         traceback:0013|   File "/usr/local/autotest/client/common_lib/test.py", line 888, in runtest
05/20 08:02:28.783 ERROR|         traceback:0013|     mytest._exec(args, dargs)
05/20 08:02:28.783 ERROR|         traceback:0013|   File "/usr/local/autotest/client/common_lib/test.py", line 600, in _exec
05/20 08:02:28.784 ERROR|         traceback:0013|     _call_test_function(self.execute, *p_args, **p_dargs)
05/20 08:02:28.784 ERROR|         traceback:0013|   File "/usr/local/autotest/client/common_lib/test.py", line 804, in _call_test_function
05/20 08:02:28.785 ERROR|         traceback:0013|     return func(*args, **dargs)
05/20 08:02:28.785 ERROR|         traceback:0013|   File "/usr/local/autotest/client/common_lib/test.py", line 461, in execute
05/20 08:02:28.785 ERROR|         traceback:0013|     dargs)
05/20 08:02:28.786 ERROR|         traceback:0013|   File "/usr/local/autotest/client/common_lib/test.py", line 347, in _call_run_once_with_retry
05/20 08:02:28.786 ERROR|         traceback:0013|     postprocess_profiled_run, args, dargs)
05/20 08:02:28.786 ERROR|         traceback:0013|   File "/usr/local/autotest/client/common_lib/test.py", line 376, in _call_run_once
05/20 08:02:28.787 ERROR|         traceback:0013|     self.run_once(*args, **dargs)
05/20 08:02:28.787 ERROR|         traceback:0013|   File "/usr/local/autotest/server/site_tests/autoupdate_Rollback/autoupdate_Rollback.py", line 39, in run_once
05/20 08:02:28.787 ERROR|         traceback:0013|     rollback_message=error_message)
05/20 08:02:28.788 ERROR|         traceback:0013|   File "/usr/local/autotest/client/common_lib/cros/autoupdater.py", line 657, in verify_boot_expectations
05/20 08:02:28.788 ERROR|         traceback:0013|     raise ChromiumOSError(rollback_message)
05/20 08:02:28.788 ERROR|         traceback:0013| ChromiumOSError: Failed to set up test by updating DUT.
05/20 08:02:28.789 ERROR|         traceback:0013| 
05/20 08:02:28.790 ERROR|          autoserv:0773| 1

Logs at https://00e9e64bac2cfbf0389c3b0e81f6270dbbf46b373cd109ff42-apidata.googleusercontent.com/download/storage/v1_internal/b/chromeos-autotest-results/o/63996432-chromeos-test%2Fchromeos4-row2-rack11-host5%2Fdebug%2Fautoserv.ERROR?qk=AD5uMEtMrXyyWhg_Kn8a31jQk6Dh8sxvQ2L29JFuMxJW9PIsXFiLowEaMXbexygfgOxICmE_3fgFP6wuZmxehvPWygZWJI2CWHaD-q3CbkH4OBHAMQvi2lTx9Ut9Btvatw_8oxuy0wbDbniV32yO2RBw7KJ_RcrEsVKqaK53_9asJR7GXXv2SH0K5NSzHK0ZBe3896wRJyH4Cfj5EPDYdIz-rpcVbwqyYlgn9JM-8K1PtQ6jsBUnf22pvEzNiMvtdQdzKNxQOYt6XGxflP92kRzWBaNrwRUmbWuK0VghgRhM6NR-TzitqvyxyHC22EqlzEXbWvtqYMev9nlCkpfAHUl7BamhoZ1L69gW__8Zi12Nc1i-aA5FZmsy2KEh1RYmupQQFFT4jdHvPbxGGfLEt_oavc40mUrP0mpveHS3hdTHHgRhov1PPkwQ4waMQWHu2YqGEX0cKgbGbmOHA1qp1roNNTdLkSnnlY2yPhrhvOW2muiDQW8InMI9FS7exQJpsVZVMGBVsMuUg172Fw4hVaNWDRucxim01R-bKpc42HPcSC6-uRiQPb2OwH5CZD2q1EXTOotO_Kc1u-wS6prxoSkG4I8nXjHXul20wdiLUHRtzA2br-msDPQfotMc1kLCaVuPE-XF3ijPcAFK_b8DuXikm3jBzPRAalsmf8bctOJ8kXVbZwLPHbv6LO4cWhtG03rRtkwgfq3zBJM3xKQcys3HgEEGpGismv12FbWJG9fgDuT5BGeLvGrdEcEi6fGu04Ua1ZCbinPGfp8Gv8dZnwfjOkb3dPxB3ELdIOQk1YEDbKrbIhGmiowqYA0za8DZXEsP8ppx82xPyt1NlLMnDpxYV3dQd1Y-FEiswbaDJlXjh4DEn21X6Qk7x5rz5KwgxPUjMWYBcgWqGqSqxBHbZ0wlwdCqruiRfy5RfWlHpVQk6n_tgjst4L0

Build at:
https://uberchromegw.corp.google.com/i/chromeos/builders/mccloud-release/builds/44