Have you ever used rod bearings with rust on one side?

Rebuilding a Z Moline (old tractor) engine and was unpacking some rod bearings I just got in. On the side of the bearing where it connects to the rod, I noticed rust.. I’m frustrated. Is this even worth using or should I order more? I only thought maybe I could get away with it because the side of the bearing that faces the crank journal is like a mirror, the other side has rust. Thoughts?