Looks like infra relies on cronie on its machines, and the 1.5.0 version seems buggy. I have no clue if 1.5.1 is any better but since it seems to be around long enough, I guess we ought to stabilize it.
Also looks to work for me, I was hesitating if maybe jump to 1.5.1-r1
finally was done in other bug *** This bug has been marked as a duplicate of bug 655686 ***