diff --git a/.github/workflows/ci_test_illumos.yml b/.github/workflows/ci_test_illumos.yml
index 033ff94e..7fa335ec 100644
--- a/.github/workflows/ci_test_illumos.yml
+++ b/.github/workflows/ci_test_illumos.yml
@@ -25,7 +25,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        toolchain: ['nightly', 'beta', 'stable']
+        toolchain: ['nightly']
     steps:
       - uses: actions/checkout@v4
       - name: Test in Illumos
@@ -36,7 +36,7 @@ jobs:
           sync: rsync
           copyback: false
           prepare: |
-            pkg install gcc14 curl pkg-config
+            pkg install gcc14 curl gnu-make pkg-config
             curl --proto '=https' --tlsv1.2 https://sh.rustup.rs -sSf > install.sh
             chmod +x install.sh
             ./install.sh -y --default-toolchain ${{ matrix.toolchain }} --profile minimal
@@ -44,11 +44,6 @@ jobs:
             . "$HOME/.cargo/env"
             set -ex
 
-            ARGS="--features all"
+            rustup component add clippy
 
-            # Add feature "nightly" if toolchain is nightly
-            if [ "${{ matrix.toolchain }}" = "nightly" ]; then
-                ARGS="$ARGS --features nightly"
-            fi
-
-            RUST_BACKTRACE=1 cargo +${{ matrix.toolchain }} test --workspace $ARGS
+            cargo clippy --all-features --all-targets -- -Dwarnings