message: Fix compilation errors on all-features
diff: @@ -10,8 +10,8 @@ fn run() -> Result<()> {
  println!("gdal crate was build with datetime support");
  - let mut dataset_a = Dataset::open(Path::new("fixtures/points_with_datetime.json"))?;
  - let layer_a = dataset_a.layer(0)?;
  + let dataset_a = Dataset::open(Path::new("fixtures/points_with_datetime.json"))?;
  + let mut layer_a = dataset_a.layer(0)?;
  // Create a new dataset:
  let path = std::env::temp_dir().join("later.geojson");
  