pull: promote debug statement to error

print an error if there is any failure pulling an image.

Signed-off-by: Giuseppe Scrivano <[email protected]>

libpod/image/pull.go

@@ -267,7 +267,7 @@ func (ir *Runtime) doPullImage(ctx context.Context, sc *types.SystemContext, goa
 		_, err = cp.Image(ctx, policyContext, imageInfo.dstRef, imageInfo.srcRef, copyOptions)
 		if err != nil {
 			pullErrors = multierror.Append(pullErrors, err)
-			logrus.Debugf("Error pulling image ref %s: %v", imageInfo.srcRef.StringWithinTransport(), err)
+			logrus.Errorf("Error pulling image ref %s: %v", imageInfo.srcRef.StringWithinTransport(), err)
 			if writer != nil {
 				io.WriteString(writer, "Failed\n")
 			}