7 files changed, 19 insertions, 23 deletions
diff --git a/library/alloc/tests/btree_set_hash.rs b/library/alloc/tests/btree_set_hash.rs
index ab275ac4353..71a3a143209 100644
--- a/library/alloc/tests/btree_set_hash.rs
+++ b/library/alloc/tests/btree_set_hash.rs
@@ -1,6 +1,7 @@
-use crate::hash;
 use std::collections::BTreeSet;
 
+use crate::hash;
+
 #[test]
 fn test_hash() {
     let mut x = BTreeSet::new();
diff --git a/library/alloc/tests/slice.rs b/library/alloc/tests/slice.rs
index c0f7a11a93e..df5a8af16fd 100644
--- a/library/alloc/tests/slice.rs
+++ b/library/alloc/tests/slice.rs
@@ -1,9 +1,7 @@
 use std::cmp::Ordering::{Equal, Greater, Less};
 use std::convert::identity;
-use std::fmt;
-use std::mem;
-use std::panic;
 use std::rc::Rc;
+use std::{fmt, mem, panic};
 
 fn square(n: usize) -> usize {
     n * n
@@ -911,8 +909,7 @@ fn test_split_iterators_size_hint() {
             // become maximally long, so the size_hint upper bounds are tight
             ((|_| true) as fn(&_) -> _, Bounds::Upper),
         ] {
-            use assert_tight_size_hints as a;
-            use format_args as f;
+            use {assert_tight_size_hints as a, format_args as f};
 
             a(v.split(p), b, "split");
             a(v.split_mut(p), b, "split_mut");
diff --git a/library/alloc/tests/str.rs b/library/alloc/tests/str.rs
index de5d3991c91..a6b1fe5b979 100644
--- a/library/alloc/tests/str.rs
+++ b/library/alloc/tests/str.rs
@@ -165,7 +165,8 @@ fn test_join_for_different_lengths_with_long_separator() {
 
 #[test]
 fn test_join_issue_80335() {
-    use core::{borrow::Borrow, cell::Cell};
+    use core::borrow::Borrow;
+    use core::cell::Cell;
 
     struct WeirdBorrow {
         state: Cell<bool>,
diff --git a/library/alloc/tests/string.rs b/library/alloc/tests/string.rs
index e20ceae87b0..c5bc4185a36 100644
--- a/library/alloc/tests/string.rs
+++ b/library/alloc/tests/string.rs
@@ -2,11 +2,9 @@ use std::assert_matches::assert_matches;
 use std::borrow::Cow;
 use std::cell::Cell;
 use std::collections::TryReserveErrorKind::*;
-use std::ops::Bound;
 use std::ops::Bound::*;
-use std::ops::RangeBounds;
-use std::panic;
-use std::str;
+use std::ops::{Bound, RangeBounds};
+use std::{panic, str};
 
 pub trait IntoCow<'a, B: ?Sized>
 where
diff --git a/library/alloc/tests/vec.rs b/library/alloc/tests/vec.rs
index 71d79893e01..fd2ddbf59e4 100644
--- a/library/alloc/tests/vec.rs
+++ b/library/alloc/tests/vec.rs
@@ -8,15 +8,14 @@ use std::borrow::Cow;
 use std::cell::Cell;
 use std::collections::TryReserveErrorKind::*;
 use std::fmt::Debug;
-use std::hint;
 use std::iter::InPlaceIterable;
-use std::mem;
 use std::mem::{size_of, swap};
 use std::ops::Bound::*;
 use std::panic::{catch_unwind, AssertUnwindSafe};
 use std::rc::Rc;
 use std::sync::atomic::{AtomicU32, Ordering};
 use std::vec::{Drain, IntoIter};
+use std::{hint, mem};
 
 struct DropCounter<'a> {
     count: &'a mut u32,
@@ -2572,7 +2571,8 @@ fn test_into_flattened_size_overflow() {
 
 #[test]
 fn test_box_zero_allocator() {
-    use core::{alloc::AllocError, cell::RefCell};
+    use core::alloc::AllocError;
+    use core::cell::RefCell;
     use std::collections::HashSet;
 
     // Track ZST allocations and ensure that they all have a matching free.
diff --git a/library/alloc/tests/vec_deque.rs b/library/alloc/tests/vec_deque.rs
index cea5de4dd59..db972122fef 100644
--- a/library/alloc/tests/vec_deque.rs
+++ b/library/alloc/tests/vec_deque.rs
@@ -1,16 +1,17 @@
 use core::num::NonZero;
 use std::assert_matches::assert_matches;
+use std::collections::vec_deque::Drain;
 use std::collections::TryReserveErrorKind::*;
-use std::collections::{vec_deque::Drain, VecDeque};
+use std::collections::VecDeque;
 use std::fmt::Debug;
 use std::ops::Bound::*;
 use std::panic::{catch_unwind, AssertUnwindSafe};
 
-use crate::hash;
-
 use Taggy::*;
 use Taggypar::*;
 
+use crate::hash;
+
 #[test]
 fn test_simple() {
     let mut d = VecDeque::new();
diff --git a/library/alloc/tests/vec_deque_alloc_error.rs b/library/alloc/tests/vec_deque_alloc_error.rs
index 8b516ddbc5c..c41d8266eb4 100644
--- a/library/alloc/tests/vec_deque_alloc_error.rs
+++ b/library/alloc/tests/vec_deque_alloc_error.rs
@@ -1,11 +1,9 @@
 #![feature(alloc_error_hook, allocator_api)]
 
-use std::{
-    alloc::{set_alloc_error_hook, AllocError, Allocator, Layout, System},
-    collections::VecDeque,
-    panic::{catch_unwind, AssertUnwindSafe},
-    ptr::NonNull,
-};
+use std::alloc::{set_alloc_error_hook, AllocError, Allocator, Layout, System};
+use std::collections::VecDeque;
+use std::panic::{catch_unwind, AssertUnwindSafe};
+use std::ptr::NonNull;
 
 #[test]
 #[cfg_attr(not(panic = "unwind"), ignore = "test requires unwinding support")]