message: Dataset now derefs to Container
diff: @@ -46,9 +46,9 @@ impl Debug for Dataset {
  }
  impl Deref for Dataset {
  - type Target = Location;
  + type Target = Container;
  - fn deref(&self) -> &Location {
  + fn deref(&self) -> &Container {
  unsafe { self.transmute() }
  }
  }
  