message: Replaces cfg_attr with rustfmt on cube.rs
  See for more context around this change.
diff: @@ -148,7 +148,7 @@ void main() {
  Vertex::new([1, -1, -1], [0, 1]),
  ];
  - #[cfg_attr(rustfmt, rustfmt_skip)]
  + #[rustfmt::skip]
  let index_data: &[u16] = &[
  0, 1, 2, 2, 3, 0, // top
  4, 5, 6, 6, 7, 4, // bottom
  