Rollup merge of #64178 - mati865:clippy, r=scottmcm

More Clippy fixes for alloc, core and std

Continuation of https://github.com/rust-lang/rust/pull/63805

3 files changed, 4 insertions, 4 deletions

diff --git a/src/libtest/bench.rs b/src/libtest/bench.rs
index c142c5213d2..c86bfd16c21 100644
--- a/src/libtest/bench.rs
+++ b/src/libtest/bench.rs
@@ -48,7 +48,7 @@ impl Bencher {
         F: FnMut(&mut Bencher),
     {
         f(self);
-        return self.summary;
+        self.summary
     }
 }
 
@@ -116,7 +116,7 @@ where
     for _ in 0..k {
         black_box(inner());
     }
-    return ns_from_dur(start.elapsed());
+    ns_from_dur(start.elapsed())
 }
 
 pub fn iter<T, F>(inner: &mut F) -> stats::Summary
diff --git a/src/libtest/cli.rs b/src/libtest/cli.rs
index f95d5aad18a..a34426305be 100644
--- a/src/libtest/cli.rs
+++ b/src/libtest/cli.rs
@@ -149,7 +149,7 @@ fn optgroups() -> getopts::Options {
             `CRITICAL_TIME` here means the limit that should not be exceeded by test.
             "
         );
-    return opts;
+    opts
 }
 
 fn usage(binary: &str, options: &getopts::Options) {
diff --git a/src/libtest/console.rs b/src/libtest/console.rs
index e17030726ce..244cbd2cf5f 100644
--- a/src/libtest/console.rs
+++ b/src/libtest/console.rs
@@ -296,7 +296,7 @@ pub fn run_tests_console(opts: &TestOpts, tests: Vec<TestDescAndFn>) -> io::Resu
 
     assert!(st.current_test_count() == st.total);
 
-    return out.write_run_finish(&st);
+    out.write_run_finish(&st)
 }
 
 // Calculates padding for given test description.