downgrade panic! in source_printer
downgrade panic! in source_printer

Reviewed By: rbalicki2

Differential Revision: D23303353

fbshipit-source-id: bd9323f50bba2276cc1d9240964a58ae1f2937b1

wincent/relay,voideanvalue/relay,facebook/relay,kassens/relay,wincent/relay,yungsters/relay,wincent/relay,voideanvalue/relay,kassens/relay,voideanvalue/relay,kassens/relay,kassens/relay,voideanvalue/relay,yungsters/relay,facebook/relay,facebook/relay,voideanvalue/relay,xuorig/relay,facebook/relay,josephsavona/relay,wincent/relay,atxwebs/relay,wincent/relay,wincent/relay,xuorig/relay,xuorig/relay,xuorig/relay,voideanvalue/relay,kassens/relay,atxwebs/relay,yungsters/relay,xuorig/relay,facebook/relay,kassens/relay,atxwebs/relay,josephsavona/relay,atxwebs/relay,facebook/relay,xuorig/relay,josephsavona/relay