add +nightly to clippy and tarpaulin runs

Author: colemanirby

.github/workflows/rust.yml

@@ -47,13 +47,13 @@ jobs:
       run: cargo +nightly fmt -- --check
 
     - name: Run cargo clippy
-      run: cargo clippy -- -D warnings
+      run: cargo +nightly clippy -- -D warnings
 
     - name: Install cargo-tarpaulin
       run: cargo install cargo-tarpaulin
 
     - name: Run cargo tarpaulin
-      run: cargo tarpaulin --rustflags="-C opt-level=0" --no-fail-fast --out xml
+      run: cargo +nightly tarpaulin --rustflags="-C opt-level=0" --no-fail-fast --out xml
 
     - name: Generate Code Coverage Summary
       uses: irongut/CodeCoverageSummary@v1.3.0