Fixed weird import order

Author: Lucretiel

crossbeam-utils/src/sync/parker.rs

@@ -1,9 +1,9 @@
+use std::fmt;
 use std::marker::PhantomData;
 use std::sync::atomic::AtomicUsize;
 use std::sync::atomic::Ordering::SeqCst;
 use std::sync::{Arc, Condvar, Mutex};
-use std::time::Duration;
-use std::{fmt, time::Instant};
+use std::time::{Duration, Instant};
 
 /// A thread parking primitive.
 ///