Use nightly for clippy

Author: kespinola

.github/workflows/test.yml

@@ -45,7 +45,7 @@ jobs:
         uses: actions-rs/toolchain@v1
         with:
           toolchain: nightly
-          components: rustfmt
+          components: rustfmt, clippy
 
       - name: Check Rust Toolchain Version
         run: |
@@ -77,4 +77,4 @@ jobs:
 
       # clippy
       - name: Check clippy
-        run: cargo clippy --all-targets --tests -- -Dwarnings
+        run: cargo +nightly clippy --all-targets --tests -- -Dwarnings