WIP

.github/workflows/ci.yml

@@ -17,7 +17,13 @@ jobs:
           - nightly
           - beta
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - run: rm rust-toolchain.toml
       - run: rustup update ${{ matrix.toolchain}} && rustup default ${{ matrix.toolchain }} && rustup target add thumbv7em-none-eabihf thumbv7m-none-eabi thumbv6m-none-eabi
       - run: ./build-all.sh
+  check_msrv_all:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: taiki-e/install-action@cargo-hack
+      - run: ./msrv-all.sh

msrv-all.sh

@@ -0,0 +1,12 @@
+#!/bin/bash
+
+set -euo pipefail
+
+DIRS="os testsuite/stm32f4 testsuite/stm32g0 examples/*/*"
+
+for d in $DIRS; do
+    echo "---- building in $d"
+    pushd $d > /dev/null
+    cargo hack check --rust-version
+    popd > /dev/null
+done