python ../../../scripts/slave/gclient_safe_revert.py . gclient
 in dir /mnt/data/b/build/slave/chromium-rel-linux-tsan-clang-3/build (timeout 600 secs) (maxTime 28800 secs)
 watching logfiles {}
 argv: ['python', '../../../scripts/slave/gclient_safe_revert.py', '.', 'gclient']
 environment:
  AWS_CREDENTIAL_FILE=/mnt/data/b/build/site_config/.boto
  BOTO_CONFIG=/mnt/data/b/build/site_config/.boto
  CHROME_HEADLESS=1
  DISPLAY=:0.0
  GIT_USER_AGENT=linux2 git/1.8.5 vm813-m1.golo.chromium.org
  HOME=/home/chrome-bot
  LANG=en_US.UTF-8
  LOGNAME=chrome-bot
  PAGER=cat
  PATH=/home/chrome-bot/slavebin:/mnt/data/b/depot_tools:/usr/bin:/usr/bin:/bin:/usr/sbin:/sbin:/usr/local/bin
  PWD=/mnt/data/b/build/slave/chromium-rel-linux-tsan-clang-3/build
  PYTHONPATH=/mnt/data/b/build/site_config:/mnt/data/b/build/scripts:/mnt/data/b/build/scripts/release:/mnt/data/b/build/third_party:/mnt/data/b/build_internal/site_config:/mnt/data/b/build_internal/symsrc:/mnt/data/b/build/slave:/mnt/data/b/build/third_party/buildbot_slave_8_4:/mnt/data/b/build/third_party/twisted_10_2:
  SHELL=/bin/bash
  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=0.088298