ayatane@ mentioned test_for_pushing has another error besides crbug.com/678699.

shuqianz@, can you take a look?
 

[chromeos-autotest.hot.corp.google.com] out: DEBUG:root:Running '/usr/bin/ssh -a -x -N -o ControlMaster=yes -o ControlPath=/tmp/_autotmp_ORY04kssh-master/socket -o StrictHostKeyChecking=no -o UserKnownHostsFile=/tmp/tmpKChYY0 -o BatchMode=yes -o ConnectTimeout=30 -o ServerAliveInterval=300 -l chromeos-test -p 22 chromeos-drone2-staging.hot.corp.google.com'
[chromeos-autotest.hot.corp.google.com] out: ERROR:root:[stderr] fatal: Could not write new index file.
[chromeos-autotest.hot.corp.google.com] out: DEBUG:root:[stdout] Checking tree status:
[chromeos-autotest.hot.corp.google.com] out: ERROR:root:[stderr] Traceback (most recent call last):
[chromeos-autotest.hot.corp.google.com] out: ERROR:root:[stderr]   File "/usr/local/autotest/site_utils/deploy_server_local.py", line 519, in <module>
[chromeos-autotest.hot.corp.google.com] out: ERROR:root:[stderr]     sys.exit(main(sys.argv[1:]))
[chromeos-autotest.hot.corp.google.com] out: ERROR:root:[stderr]   File "/usr/local/autotest/site_utils/deploy_server_local.py", line 477, in main
[chromeos-autotest.hot.corp.google.com] out: ERROR:root:[stderr]     verify_repo_clean()
[chromeos-autotest.hot.corp.google.com] out: ERROR:root:[stderr]   File "/usr/local/autotest/site_utils/deploy_server_local.py", line 80, in verify_repo_clean
[chromeos-autotest.hot.corp.google.com] out: ERROR:root:[stderr]     subprocess.check_output(['git', 'reset', '--hard'])
[chromeos-autotest.hot.corp.google.com] out: ERROR:root:[stderr]   File "/usr/lib/python2.7/subprocess.py", line 573, in check_output
[chromeos-autotest.hot.corp.google.com] out: ERROR:root:[stderr]     raise CalledProcessError(retcode, cmd, output=output)
[chromeos-autotest.hot.corp.google.com] out: ERROR:root:[stderr] subprocess.CalledProcessError: Command '['git', 'reset', '--hard']' returned non-zero exit status 128