@@ -109,7 +109,7 @@ func main() {

 	if err := cli.Cmd(flag.Args()...); err != nil {

 		if sterr, ok := err.(*utils.StatusError); ok {

 			if sterr.Status != "" {

-				log.Println("%s", sterr.Status)

+				log.Println(sterr.Status)

 			}

 			os.Exit(sterr.StatusCode)

 		}

@@ -218,7 +218,7 @@ func TestBuildEnvironmentReplacementEnv(t *testing.T) {

 		if parts[0] == "bar" {

 			found = true

 			if parts[1] != "foo" {

-				t.Fatal("Could not find replaced var for env `bar`: got %q instead of `foo`", parts[1])

+				t.Fatalf("Could not find replaced var for env `bar`: got %q instead of `foo`", parts[1])

 			}

 		}

 	}

@@ -1224,7 +1224,7 @@ func TestBuildCopyDisallowRemote(t *testing.T) {

 COPY https://index.docker.io/robots.txt /`,

 		true)

 	if err == nil || !strings.Contains(out, "Source can't be a URL for COPY") {

-		t.Fatal("Error should be about disallowed remote source, got err: %s, out: %q", err, out)

+		t.Fatalf("Error should be about disallowed remote source, got err: %s, out: %q", err, out)

 	}

 	logDone("build - copy - disallow copy from remote")

 }

@@ -1374,7 +1374,7 @@ func TestBuildForceRm(t *testing.T) {

 	buildCmd := exec.Command(dockerBinary, "build", "-t", name, "--force-rm", ".")

 	buildCmd.Dir = ctx.Dir

 	if out, _, err := runCommandWithOutput(buildCmd); err == nil {

-		t.Fatal("failed to build the image: %s, %v", out, err)

+		t.Fatalf("failed to build the image: %s, %v", out, err)

 	}

 	containerCountAfter, err := getContainerCount()

@@ -3181,7 +3181,7 @@ func TestBuildEntrypointInheritance(t *testing.T) {

 	status, _ = runCommand(exec.Command(dockerBinary, "run", "child"))

 	if status != 5 {

-		t.Fatal("expected exit code 5 but received %d", status)

+		t.Fatalf("expected exit code 5 but received %d", status)

 	}

 	logDone("build - clear entrypoint")

@@ -47,7 +47,7 @@ RUN echo "Z"`,

 	out, exitCode, err := runCommandWithOutput(exec.Command(dockerBinary, "history", "testbuildhistory"))

 	if err != nil || exitCode != 0 {

-		t.Fatal("failed to get image history: %s, %v", out, err)

+		t.Fatalf("failed to get image history: %s, %v", out, err)

 	}

 	actualValues := strings.Split(out, "\n")[1:27]

@@ -11,7 +11,7 @@ func TestInfoEnsureSucceeds(t *testing.T) {

 	versionCmd := exec.Command(dockerBinary, "info")

 	out, exitCode, err := runCommandWithOutput(versionCmd)

 	if err != nil || exitCode != 0 {

-		t.Fatal("failed to execute docker info: %s, %v", out, err)

+		t.Fatalf("failed to execute docker info: %s, %v", out, err)

 	}

 	stringsToCheck := []string{"Containers:", "Execution Driver:", "Kernel Version:"}

@@ -11,7 +11,7 @@ import (

 func TestPullImageFromCentralRegistry(t *testing.T) {

 	pullCmd := exec.Command(dockerBinary, "pull", "scratch")

 	if out, _, err := runCommandWithOutput(pullCmd); err != nil {

-		t.Fatal("pulling the scratch image from the registry has failed: %s, %v", out, err)

+		t.Fatalf("pulling the scratch image from the registry has failed: %s, %v", out, err)

 	}

 	logDone("pull - pull scratch")

 }

@@ -20,7 +20,7 @@ func TestPullImageFromCentralRegistry(t *testing.T) {

 func TestPullNonExistingImage(t *testing.T) {

 	pullCmd := exec.Command(dockerBinary, "pull", "fooblahblah1234")

 	if out, _, err := runCommandWithOutput(pullCmd); err == nil {

-		t.Fatal("expected non-zero exit status when pulling non-existing image: %s", out)

+		t.Fatalf("expected non-zero exit status when pulling non-existing image: %s", out)

 	}

 	logDone("pull - pull fooblahblah1234 (non-existing image)")

 }

@@ -16,12 +16,12 @@ func TestPushBusyboxImage(t *testing.T) {

 	repoName := fmt.Sprintf("%v/busybox", privateRegistryURL)

 	tagCmd := exec.Command(dockerBinary, "tag", "busybox", repoName)

 	if out, _, err := runCommandWithOutput(tagCmd); err != nil {

-		t.Fatal("image tagging failed: %s, %v", out, err)

+		t.Fatalf("image tagging failed: %s, %v", out, err)

 	}

 	pushCmd := exec.Command(dockerBinary, "push", repoName)

 	if out, _, err := runCommandWithOutput(pushCmd); err != nil {

-		t.Fatal("pushing the image to the private registry has failed: %s, %v", out, err)

+		t.Fatalf("pushing the image to the private registry has failed: %s, %v", out, err)

 	}

 	deleteImages(repoName)

@@ -35,7 +35,7 @@ func TestPushUnprefixedRepo(t *testing.T) {

 	t.Skip()

 	pushCmd := exec.Command(dockerBinary, "push", "busybox")

 	if out, _, err := runCommandWithOutput(pushCmd); err == nil {

-		t.Fatal("pushing an unprefixed repo didn't result in a non-zero exit status: %s", out)

+		t.Fatalf("pushing an unprefixed repo didn't result in a non-zero exit status: %s", out)

 	}

 	logDone("push - push unprefixed busybox repo --> must fail")

 }

@@ -114,7 +114,7 @@ func TestRmInvalidContainer(t *testing.T) {

 	if out, _, err := runCommandWithOutput(exec.Command(dockerBinary, "rm", "unknown")); err == nil {

 		t.Fatal("Expected error on rm unknown container, got none")

 	} else if !strings.Contains(out, "failed to remove one or more containers") {

-		t.Fatal("Expected output to contain 'failed to remove one or more containers', got %q", out)

+		t.Fatalf("Expected output to contain 'failed to remove one or more containers', got %q", out)

 	}

 	logDone("rm - delete unknown container")

@@ -11,7 +11,7 @@ func TestSearchOnCentralRegistry(t *testing.T) {

 	searchCmd := exec.Command(dockerBinary, "search", "busybox")

 	out, exitCode, err := runCommandWithOutput(searchCmd)

 	if err != nil || exitCode != 0 {

-		t.Fatal("failed to search on the central registry: %s, %v", out, err)

+		t.Fatalf("failed to search on the central registry: %s, %v", out, err)

 	}

 	if !strings.Contains(out, "Busybox base image.") {

@@ -11,7 +11,7 @@ func TestVersionEnsureSucceeds(t *testing.T) {

 	versionCmd := exec.Command(dockerBinary, "version")

 	out, _, err := runCommandWithOutput(versionCmd)

 	if err != nil {

-		t.Fatal("failed to execute docker version: %s, %v", out, err)

+		t.Fatalf("failed to execute docker version: %s, %v", out, err)

 	}

 	stringsToCheck := []string{