if got != want {
		if filesystemIsNoSUID(tmpBinary) {
			t.Skip("skipping test when temp dir is mounted nosuid")
		}
		// formatted so the values are aligned for easier comparison
		t.Errorf("expected %s,\ngot      %s", want, got)
	}
}

// filesystemIsNoSUID reports whether the filesystem for the given
// path is mounted nosuid.
func filesystemIsNoSUID(path string) bool {
	var st syscall.Statfs_t