TASK [Update and upgrade apt packages]
[WARNING]: The value True (type bool) in a string field was converted to 'True' (type string). If this does not look like what you expect, quote the entire value to ensure it does not change.
also:
[WARNING]: File '/etc/default/grub.d/99-sticky-domjudge-options.cfg' created with default permissions '600'. The previous default was '666'. Specify 'mode' to avoid this warning.
TASK [Update and upgrade apt packages] [WARNING]: The value True (type bool) in a string field was converted to 'True' (type string). If this does not look like what you expect, quote the entire value to ensure it does not change.