feat: prints local docker engine error

main.go

@@ -243,8 +243,9 @@ func createLocalClient(args args, localClientFactory func(map[string][]string) (
 		dockerClient, err := localClientFactory(args.Filter)
 		if err == nil {
 			_, err := dockerClient.ListContainers()
-
-			if err == nil {
+			if err != nil {
+				log.Warnf("Could not connect to local Docker Engine: %s", err)
+			} else {
 				log.Debugf("Connected to local Docker Engine")
 				return dockerClient
 			}