diff --git a/.github/workflows/nalgebra-ci-build.yml b/.github/workflows/nalgebra-ci-build.yml
index 97b42184e..ff6bff005 100644
--- a/.github/workflows/nalgebra-ci-build.yml
+++ b/.github/workflows/nalgebra-ci-build.yml
@@ -13,37 +13,37 @@ jobs:
   check-fmt:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
-    - name: Check formatting
-      run: cargo fmt -- --check
+      - uses: actions/checkout@v2
+      - name: Check formatting
+        run: cargo fmt -- --check
   clippy:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
-    - name: Install clippy
-      run: rustup component add clippy
-    - name: Run clippy
-      run: cargo clippy
+      - uses: actions/checkout@v2
+      - name: Install clippy
+        run: rustup component add clippy
+      - name: Run clippy
+        run: cargo clippy
   build-nalgebra:
     runs-on: ubuntu-latest
-#    env:
-#      RUSTFLAGS: -D warnings
+    #    env:
+    #      RUSTFLAGS: -D warnings
     steps:
-    - uses: actions/checkout@v2
-    - name: Build --no-default-feature
-      run: cargo build --no-default-features;
-    - name: Build (default features)
-      run: cargo build;
-    - name: Build --features serde-serialize
-      run: cargo build --features serde-serialize
-    - name: Build nalgebra-lapack
-      run: cd nalgebra-lapack; cargo build;
-    - name: Build nalgebra-sparse --no-default-features
-      run: cd nalgebra-sparse; cargo build --no-default-features;
-    - name: Build nalgebra-sparse (default features)
-      run: cd nalgebra-sparse; cargo build;
-    - name: Build nalgebra-sparse --all-features
-      run: cd nalgebra-sparse; cargo build --all-features;
+      - uses: actions/checkout@v2
+      - name: Build --no-default-feature
+        run: cargo build --no-default-features;
+      - name: Build (default features)
+        run: cargo build;
+      - name: Build --features serde-serialize
+        run: cargo build --features serde-serialize
+      - name: Build nalgebra-lapack
+        run: cd nalgebra-lapack; cargo build;
+      - name: Build nalgebra-sparse --no-default-features
+        run: cd nalgebra-sparse; cargo build --no-default-features;
+      - name: Build nalgebra-sparse (default features)
+        run: cd nalgebra-sparse; cargo build;
+      - name: Build nalgebra-sparse --all-features
+        run: cd nalgebra-sparse; cargo build --all-features;
   # Run this on it’s own job because it alone takes a lot of time.
   # So it’s best to let it run in parallel to the other jobs.
   build-nalgebra-all-features:
@@ -54,9 +54,18 @@ jobs:
       - run: cargo build -p nalgebra-glm --all-features;
   test-nalgebra:
     runs-on: ubuntu-latest
-#    env:
-#      RUSTFLAGS: -D warnings
+    #    env:
+    #      RUSTFLAGS: -D warnings
     steps:
+      # Tests are run with a specific version of the compiler to avoid
+      # trybuild errors when a new compiler version is out. This can be
+      # bumped as needed after running the tests with TRYBUILD=overwrite
+      # to re-generate the error reference.
+      - name: Select rustc  version
+        uses: actions-rs/toolchain@v1
+        with:
+          toolchain: 1.79.0
+          override: true
       - uses: actions/checkout@v2
       - name: test
         run: cargo test --features arbitrary,rand,serde-serialize,sparse,debug,io,compare,libm,proptest-support,slow-tests,rkyv-safe-deser,rayon;
@@ -85,8 +94,8 @@ jobs:
         run: cargo test -p nalgebra-macros
   build-wasm:
     runs-on: ubuntu-latest
-#    env:
-#      RUSTFLAGS: -D warnings
+    #    env:
+    #      RUSTFLAGS: -D warnings
     steps:
       - uses: actions/checkout@v2
       - run: rustup target add wasm32-unknown-unknown
@@ -121,6 +130,6 @@ jobs:
   docs:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
-    - name: Generate documentation
-      run: cargo doc
+      - uses: actions/checkout@v2
+      - name: Generate documentation
+        run: cargo doc