.

.github/workflows/ci.yml

@@ -518,10 +518,7 @@ jobs:
       - uses: actions/checkout@v4
         with: { ref: "${{ github.event.pull_request.head.sha }}" }
       - uses: ./.github/ci-setup-action
-      - name: Setup toolchain
-        uses: dtolnay/[email protected]
-        with:
-          targets: x86_64-unknown-linux-gnu
+
       - name: Build Boxes
         uses: ./.github/ensure-builder
         timeout-minutes: 40
@@ -530,6 +527,8 @@ jobs:
           runner_type: builder-x86
           run: |
             export CI=1 USE_CACHE=1
+            curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y --default-toolchain 1.75.0
+
             if ci3/test_should_run "boxes-test-$(./boxes/bootstrap.sh hash)"; then
               ./bootstrap.sh test-boxes
             fi