Man that sucks,
Before you freak and pull the engine though, do a little investigating and see if you can figure out why it was running dry. Maybe even priming the pump and seeing where the oil travels, sure would be a shame to just pull it without an answer
I know metal went in there, but it's hard to tell from the pics how much damage there really is and how far it would have went.
Jay is the guy to talk rocker failure, he has seen his share of it.
I have to agree with Brent though, looks like a crack in that pic