Merge pull request #4315 from tgross35/backport-porcini

[0.2] Backports

Author: tgross35

.github/workflows/ci.yaml

@@ -22,7 +22,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - name: Setup Rust toolchain
-        run: ./ci/install-rust.sh
+        run: ./ci/install-rust.sh && rustup component add rustfmt
       - name: Check style
         run: ./ci/style.sh
 

build.rs

@@ -27,7 +27,7 @@ const CHECK_CFG_EXTRA: &'static [(&'static str, &'static [&'static str])] = &[
     (
         "target_os",
         &[
-            "switch", "aix", "ohos", "hurd", "rtems", "visionos", "nuttx",
+            "switch", "aix", "ohos", "hurd", "rtems", "visionos", "nuttx", "cygwin",
         ],
     ),
     ("target_env", &["illumos", "wasi", "aix", "ohos"]),