Cratered primers are often false indicators of excessive pressure.
Were there other signs of pressure like hard bolt lift? If the cratering is the only sign you're seeing, you're probably OK.
Excessively generous clearance between the firing pin and the hole can cause this especially with soft primers (I have not heard that wolf primers are soft, rather the opposite). As your primer is no where near flattened, I'd guess this is your issue. This is very common with stock Savage and Remington rifles.
If this is the case, send your bolt off to Gre-Tan Rifles to be bushed for $87. If you send it on a Monday, you have a good chance to get it back by Friday. This is without a doubt the best value in gunsmithing today.