The ios-device bot is purple: https://build.chromium.org/p/tryserver.chromium.mac/builders/ios-device/
This is preventing patches from getting through the CQ: https://codereview.chromium.org/2235803002/

Error:

Traceback (most recent call last):
  File "../../../scripts/slave/remote_run.py", line 230, in <module>
    sys.exit(shell_main(sys.argv))
  File "../../../scripts/slave/remote_run.py", line 226, in shell_main
    return main(argv)
  File "../../../scripts/slave/remote_run.py", line 211, in main
    with open(recipe_result_path) as f:
IOError: [Errno 2] No such file or directory: '/b/rr/tmpXHCK0B/recipe_result.json'