Address #[warn(clippy::useless_conversion)]

Signed-off-by: hi-rustin <[email protected]>

Author: 0xPoe

src/cli/self_update/shell.rs

@@ -195,7 +195,7 @@ impl UnixShell for Zsh {
         self.rcfiles()
             .into_iter()
             .filter(|env| env.is_file())
-            .chain(self.rcfiles().into_iter())
+            .chain(self.rcfiles())
             .take(1)
             .collect()
     }

src/test/mock/clitools.rs

@@ -1194,14 +1194,11 @@ fn build_mock_channel(
     // Convert the mock installers to mock package definitions for the
     // mock dist server
     let mut all = MockChannelContent::default();
-    all.std.extend(
-        vec![
-            (std, host_triple.clone()),
-            (cross_std1, CROSS_ARCH1.to_string()),
-            (cross_std2, CROSS_ARCH2.to_string()),
-        ]
-        .into_iter(),
-    );
+    all.std.extend(vec![
+        (std, host_triple.clone()),
+        (cross_std1, CROSS_ARCH1.to_string()),
+        (cross_std2, CROSS_ARCH2.to_string()),
+    ]);
     all.rustc.push((rustc, host_triple.clone()));
     all.cargo.push((cargo, host_triple.clone()));
 

src/test/mock/dist.rs

@@ -131,7 +131,7 @@ impl MockDistServer {
             let mut hashes = HashMap::new();
             for package in &channel.packages {
                 let new_hashes = self.build_package(channel, package, enable_xz, enable_zst);
-                hashes.extend(new_hashes.into_iter());
+                hashes.extend(new_hashes);
             }
             for v in vs {
                 match *v {