It is not crimping. The portion of the lead tip that is not jacketed is getting shaved. The case seems to be just fine. It is cutting 1/2 the tip off, from the very point down to the jacket.
I will back the die out a 1/4 turn just to be sure, but I don't think it is crimping.
* (Swinging club) Whack! whack! whack! *
Nope, the old nag's still dead .