message: Import std::mem
diff: use std::fmt::{self, Debug};
  +use std::mem;
  use std::ops::Deref;
  use std::path::Path;
  @@ -154,7 +155,7 @@ impl File {
  pub fn close(self) -> Result<()> {
  let id = self.id();
  // Ensure we only decref once
  - std::mem::forget(self.0);
  + mem::forget(self.0);
  h5call!(H5Fclose(id)).map(|_| ())
  }
  