message: Attempt to fix broken doctests.
diff: @@ -868,7 +868,7 @@ scripts alongside the generated plots.
  /// # Example
  ///
  /// ```rust
  - /// # #[macro_use] extern crate criterion;
  + /// # #![macro_use] extern crate criterion;
  /// # use self::criterion::*;
  ///
  /// fn bench(c: &mut Criterion) {
  @@ -899,7 +899,7 @@ scripts alongside the generated plots.
  /// # Example
  ///
  /// ``` rust
  - /// # #[macro_use] extern crate criterion;
  + /// # #![macro_use] extern crate criterion;
  /// # use self::criterion::*;
  /// # fn seq_fib(i: &u32) {}
  /// # fn par_fib(i: &u32) {}
  @@ -947,7 +947,7 @@ scripts alongside the generated plots.
  /// # Example
  ///
  /// ```rust
  - /// # #[macro_use] extern crate criterion;
  + /// # #![macro_use] extern crate criterion;
  /// # use self::criterion::*;
  ///
  /// fn bench(c: &mut Criterion) {
  @@ -1053,7 +1053,7 @@ scripts alongside the generated plots.
  /// information.
  ///
  /// ```rust
  - /// # #[macro_use] extern crate criterion;
  + /// # #![macro_use] extern crate criterion;
  /// # use criterion::*;
  /// # fn routine_1() {}
  /// # fn routine_2() {}
  