Saw this for the second time today: <https://bugs.webkit.org/show_bug.cgi?id=182370>.
Also <https://bugs.webkit.org/show_bug.cgi?id=182360>.
> patching file Tools/Scripts/open-layout-test > patch: **** Can't create file C:\Users\ContainerAdministrator\AppData\Local\Temp/ppz03052 : File exists > patching file Tools/Scripts/webkitpy/layout_tests/controllers/layout_test_runner.py > patch: **** Can't create file C:\Users\ContainerAdministrator\AppData\Local\Temp/ppz10560 : File exists
*** This bug has been marked as a duplicate of bug 184761 ***