Run clippy CI on more targets

.github/workflows/main.yml

@@ -64,7 +64,17 @@ jobs:
 
   # Ensure there are no clippy warnings
   clippy:
-    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        include:
+        - name: Linux x86_64
+          os: ubuntu-latest
+        - name: macOS aarch64
+          os: macos-14
+        - name: Windows x86_64 MSVC
+          os: windows-latest
+    name: Clippy ${{ matrix.name }}
+    runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v5
       - run: rustup update stable && rustup default stable

tests/testsuite/script/cargo.rs

@@ -1,5 +1,4 @@
 use std::fs;
-use std::io::Write;
 
 use crate::prelude::*;
 use cargo_test_support::basic_manifest;
@@ -2179,6 +2178,7 @@ args: []
 #[cargo_test(nightly, reason = "-Zscript is unstable")]
 #[cfg(target_os = "linux")]
 fn memfd_script() {
+    use std::io::Write;
     use std::os::fd::AsRawFd;
 
     let fd = memfd::MemfdOptions::new()