Move clippy to ci.yml gated with github.event_name != 'pull_request'

.github/workflows/ci.yml

@@ -138,3 +138,18 @@ jobs:
         continue-on-error: true
       - run: cd test_suite && cargo web test --target=wasm32-unknown-emscripten --nodejs
         continue-on-error: true
+
+  clippy:
+    name: Clippy ${{matrix.dir}}
+    runs-on: ubuntu-latest
+    if: github.event_name != 'pull_request'
+    steps:
+      - uses: actions/checkout@v2
+      - uses: dtolnay/rust-toolchain@clippy
+        # The need for -Aredundant_field_names here is a Clippy bug.
+        # https://github.com/rust-lang/rust-clippy/issues/5356
+      - run: cd serde && cargo clippy --features rc,unstable -- -D clippy::all -A clippy::redundant_field_names
+      - run: cd serde_derive && cargo clippy -- -D clippy::all
+      - run: cd serde_test && cargo clippy -- -D clippy::all -A clippy::redundant_field_names
+      - run: cd test_suite && cargo clippy --tests --features unstable -- -D clippy::all -A clippy::redundant_field_names
+      - run: cd test_suite/no_std && cargo clippy -- -D clippy::all -A clippy::redundant_field_names

.github/workflows/clippy.yml

@@ -1,30 +0,0 @@
-name: Clippy
-
-on:
-  push:
-  schedule: [cron: "40 1 * * *"]
-
-jobs:
-  stable:
-    name: Clippy ${{matrix.dir}}
-    runs-on: ubuntu-latest
-    strategy:
-      fail-fast: false
-      matrix:
-        include:
-          - dir: serde
-            features: rc,unstable
-          - dir: serde_derive
-          - dir: serde_test
-          - dir: test_suite
-            features: unstable
-            tests: true
-          - dir: test_suite/no_std
-    steps:
-      - uses: actions/checkout@v2
-      - uses: dtolnay/rust-toolchain@clippy
-        # The need for -Aredundant_field_names here is a Clippy bug.
-        # https://github.com/rust-lang/rust-clippy/issues/5356
-      - name: cargo clippy ${{matrix.features && format('--features {0}', matrix.features)}}
-        run: cargo clippy --features '${{matrix.features}}' ${{matrix.tests && '--tests'}} -- -Dclippy::all -Aclippy::redundant_field_names
-        working-directory: ${{matrix.dir}}