failed to delete home folder for this user (null)
MacBook Air (13-inch Mid 2012), OS X Yosemite (10.10.5), null
MacBook Air (13-inch Mid 2012), OS X Yosemite (10.10.5), null
You can't remove the Guest User home.
It doesn't exist unless someone is logged into the Guest user. Once they log out, the home folder is restored to default--all information is deleted.
failed to delete home folder for this user (null)