slowCh = make(chan ObjectInfo, 100)
	)

	if !*r.Source.Snowball.Disable && r.Source.Type.isMinio() && r.Target.Type.isMinio() {
		go func() {
			// Snowball currently needs the high level minio-go Client, not the Core one
			cl, err := miniogo.New(u.Host, &miniogo.Options{
				Creds:        credentials.NewStaticV4(cred.AccessKey, cred.SecretKey, cred.SessionToken),
				Secure:       u.Scheme == "https",