@@ -1986,6 +1986,10 @@ func (cli *DockerCli) CmdTag(args ...string) error {

 }

 func (cli *DockerCli) pullImage(image string) error {

+	return cli.pullImageCustomOut(image, cli.out)

+}

+

+func (cli *DockerCli) pullImageCustomOut(image string, out io.Writer) error {

 	v := url.Values{}

 	repos, tag := parsers.ParseRepositoryTag(image)

 	// pull only the image tagged 'latest' if no tag was specified

@@ -2014,7 +2018,7 @@ func (cli *DockerCli) pullImage(image string) error {

 	registryAuthHeader := []string{

 		base64.URLEncoding.EncodeToString(buf),

 	}

-	if err = cli.stream("POST", "/images/create?"+v.Encode(), nil, cli.out, map[string][]string{"X-Registry-Auth": registryAuthHeader}); err != nil {

+	if err = cli.stream("POST", "/images/create?"+v.Encode(), nil, out, map[string][]string{"X-Registry-Auth": registryAuthHeader}); err != nil {

 		return err

 	}

 	return nil

@@ -2081,7 +2085,8 @@ func (cli *DockerCli) createContainer(config *runconfig.Config, hostConfig *runc

 	if statusCode == 404 {

 		fmt.Fprintf(cli.err, "Unable to find image '%s' locally\n", config.Image)

-		if err = cli.pullImage(config.Image); err != nil {

+		// we don't want to write to stdout anything apart from container.ID

+		if err = cli.pullImageCustomOut(config.Image, cli.err); err != nil {

 			return nil, err

 		}

 		// Retry

@@ -2,6 +2,7 @@ package main

 import (

 	"bufio"

+	"bytes"

 	"fmt"

 	"io/ioutil"

 	"net"

@@ -2380,3 +2381,18 @@ func TestRunVolumesNotRecreatedOnStart(t *testing.T) {

 	logDone("run - volumes not recreated on start")

 }

+

+func TestRunNoOutputFromPullInStdout(t *testing.T) {

+	defer deleteAllContainers()

+	// just run with unknown image

+	cmd := exec.Command(dockerBinary, "run", "asdfsg")

+	stdout := bytes.NewBuffer(nil)

+	cmd.Stdout = stdout

+	if err := cmd.Run(); err == nil {

+		t.Fatal("Run with unknown image should fail")

+	}

+	if stdout.Len() != 0 {

+		t.Fatalf("Stdout contains output from pull: %s", stdout)

+	}

+	logDone("run - no output from pull in stdout")

+}