Before this change if doing a recursive directory listing with `--files-from` if more than `--checkers` files errored (other than file not found) then rclone would deadlock. This fixes the problem by exiting on the first error.
Before this change if doing a recursive directory listing with `--files-from` if more than `--checkers` files errored (other than file not found) then rclone would deadlock. This fixes the problem by exiting on the first error.