python ../../../scripts/slave/gclient_safe_revert.py . gclient
 in dir /Volumes/data/b/build/slave/Mac/build (timeout 600 secs) (maxTime 28800 secs)
 watching logfiles {}
 argv: ['python', '../../../scripts/slave/gclient_safe_revert.py', '.', 'gclient']
 environment:
  AWS_CREDENTIAL_FILE=/Volumes/data/b/build/site_config/.boto
  BOTO_CONFIG=/Volumes/data/b/build/site_config/.boto
  CHROME_HEADLESS=1
  HOME=/Users/chrome-bot
  LOGNAME=chrome-bot
  PAGER=cat
  PATH=/Users/chrome-bot/slavebin:/Volumes/data/b/depot_tools:/usr/local/git/bin:/Library/Frameworks/Python.framework/Versions/2.7/Resources/Python.app/Contents/MacOS:/usr/bin:/bin:/usr/sbin:/sbin:/usr/local/bin
  PWD=/Volumes/data/b/build/slave/Mac/build
  PYTHONPATH=/Volumes/data/b/build/site_config:/Volumes/data/b/build/scripts:/Volumes/data/b/build/scripts/release:/Volumes/data/b/build/third_party:/Volumes/data/b/build_internal/site_config:/Volumes/data/b/build_internal/symsrc:/Volumes/data/b/build/slave:/Volumes/data/b/build/third_party/buildbot_slave_8_4:/Volumes/data/b/build/third_party/twisted_10_2:
  SHELL=/bin/bash
  SSH_AUTH_SOCK=/tmp/launch-ja1eh3/Listeners
  USER=chrome-bot
 using PTY: False
update.flag file found: bot_update has run and checkout is already 
in a consistent state. No actions will be performed in this step.
program finished with exit code 0
elapsedTime=0.067405