diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 70c5e390e..6bfd7693c 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -78,7 +78,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        manylinux: [2010, 2014]
+        manylinux: ['2010', '2014']
     steps:
       - uses: actions/checkout@v2
       - name: Build
@@ -90,3 +90,13 @@ jobs:
           done
           ' > build-wheel.sh
           docker run --rm -v "$PWD":/io -w /io quay.io/pypa/manylinux${{ matrix.manylinux }}_x86_64 bash build-wheel.sh
+      - name: Imcompliant Build
+        if: matrix.manylinux == '2014'
+        run: |
+          echo 'curl -sSf https://sh.rustup.rs | sh -s -- -y --default-toolchain stable
+          source ~/.cargo/env
+          for PYBIN in /opt/python/cp3[6]*/bin; do
+            cargo run -- build --no-sdist -m test-crates/pyo3-mixed/Cargo.toml -i "${PYBIN}/python" --manylinux 2010 -o dist
+          done
+          ' > build-wheel.sh
+          docker run --rm -v "$PWD":/io -w /io quay.io/pypa/manylinux${{ matrix.manylinux }}_x86_64 bash build-wheel.sh
\ No newline at end of file