Use stderr instead of logrus for CLI error messages

Signed-off-by: Doug Davis <dug@us.ibm.com>
Upstream-commit: 0024935f641ab596732f9162d3eab795bbc2ae06
Component: engine

components/engine/api/client/cli.go

@@ -63,6 +63,14 @@ var funcMap = template.FuncMap{
 	},
 }
 
+func (cli *DockerCli) Out() io.Writer {
+	return cli.out
+}
+
+func (cli *DockerCli) Err() io.Writer {
+	return cli.err
+}
+
 func (cli *DockerCli) getMethod(args ...string) (func(...string) error, bool) {
 	camelArgs := make([]string, len(args))
 	for i, s := range args {