diff --git a/src/liballoc/collections/linked_list.rs b/src/liballoc/collections/linked_list.rs
index 463ec67d668..399dbe5e4bf 100644
--- a/src/liballoc/collections/linked_list.rs
+++ b/src/liballoc/collections/linked_list.rs
@@ -1566,10 +1566,13 @@ where
 {
     fn drop(&mut self) {
         struct DropGuard<'r, 'a, T, F>(&'r mut DrainFilter<'a, T, F>)
-            where F: FnMut(&mut T) -> bool;
+        where
+            F: FnMut(&mut T) -> bool;
 
         impl<'r, 'a, T, F> Drop for DropGuard<'r, 'a, T, F>
-        where F: FnMut(&mut T) -> bool {
+        where
+            F: FnMut(&mut T) -> bool,
+        {
             fn drop(&mut self) {
                 self.0.for_each(drop);
             }
diff --git a/src/liballoc/tests/linked_list.rs b/src/liballoc/tests/linked_list.rs
index c40f99ee906..afcb9e03fd0 100644
--- a/src/liballoc/tests/linked_list.rs
+++ b/src/liballoc/tests/linked_list.rs
@@ -590,13 +590,12 @@ fn drain_filter_pred_panic_leak() {
     q.push_front(D(1));
     q.push_front(D(0));
 
-    catch_unwind(AssertUnwindSafe(|| drop(q.drain_filter(|item| if item.0 >= 2 {
-        panic!()
-    } else {
-        true
-    })))).ok();
+    catch_unwind(AssertUnwindSafe(|| {
+        drop(q.drain_filter(|item| if item.0 >= 2 { panic!() } else { true }))
+    }))
+    .ok();
 
-    assert_eq!(unsafe { DROPS }, 2);  // 0 and 1
+    assert_eq!(unsafe { DROPS }, 2); // 0 and 1
     assert_eq!(q.len(), 6);
 }
 
diff --git a/src/liballoc/tests/vec.rs b/src/liballoc/tests/vec.rs
index 2a027fd5d2b..9c4ac52acac 100644
--- a/src/liballoc/tests/vec.rs
+++ b/src/liballoc/tests/vec.rs
@@ -783,11 +783,7 @@ fn test_into_iter_leak() {
         }
     }
 
-    let v = vec![
-        D(false),
-        D(true),
-        D(false),
-    ];
+    let v = vec![D(false), D(true), D(false)];
 
     catch_unwind(move || drop(v.into_iter())).ok();
 
diff --git a/src/liballoc/tests/vec_deque.rs b/src/liballoc/tests/vec_deque.rs
index 07f1f098954..101dd67d97a 100644
--- a/src/liballoc/tests/vec_deque.rs
+++ b/src/liballoc/tests/vec_deque.rs
@@ -2,7 +2,7 @@ use std::collections::TryReserveError::*;
 use std::collections::{vec_deque::Drain, VecDeque};
 use std::fmt::Debug;
 use std::mem::size_of;
-use std::panic::{AssertUnwindSafe, catch_unwind};
+use std::panic::{catch_unwind, AssertUnwindSafe};
 use std::{isize, usize};
 
 use crate::hash;
@@ -1637,7 +1637,8 @@ fn test_drain_leak() {
 
     catch_unwind(AssertUnwindSafe(|| {
         v.drain(1..=4);
-    })).ok();
+    }))
+    .ok();
 
     assert_eq!(unsafe { DROPS }, 4);
     assert_eq!(v.len(), 3);