packer/rpc: Use the SetExited for remote communicators
packer/rpc: Use the SetExited for remote communicators

patricklucas/packer,suma/packer,Kaixiang/packer,suma/packer,patricklucas/packer,suma/packer,patricklucas/packer,Kaixiang/packer,suma/packer,Kaixiang/packer,TranscendComputing/packer,TranscendComputing/packer,TranscendComputing/packer,TranscendComputing/packer,patricklucas/packer,Kaixiang/packer