buildah temp user directory

user_temp_directory.patch

diff --git a/vendor/github.com/containers/storage/utils.go b/vendor/github.com/containers/storage/utils.go
index 28e0a8d..cc45d26 100644
--- a/vendor/github.com/containers/storage/utils.go
+++ b/vendor/github.com/containers/storage/utils.go
@@ -87,12 +87,11 @@ func getRootlessRuntimeDir(rootlessUID int) (string, error) {
 	if runtimeDir != "" {
 		return runtimeDir, nil
 	}
-	tmpDir := fmt.Sprintf("/run/user/%d", rootlessUID)
+	tmpDir := fmt.Sprintf("%s/buildah-user-%d", os.TempDir(), rootlessUID)
 	st, err := system.Stat(tmpDir)
 	if err == nil && int(st.UID()) == os.Getuid() && st.Mode()&0700 == 0700 && st.Mode()&0066 == 0000 {
 		return tmpDir, nil
 	}
-	tmpDir = fmt.Sprintf("%s/%d", os.TempDir(), rootlessUID)
 	if err := os.MkdirAll(tmpDir, 0700); err != nil {
 		logrus.Errorf("failed to create %s: %v", tmpDir, err)
 	} else {