Clippy doesn't have a Cargo.lock file

Author: flip1995

.github/workflows/integration.yml

@@ -51,17 +51,17 @@ jobs:
       uses: actions/cache@v1
       with:
         path: ~/.cargo/registry
-        key: ${{ runner.os }}-cargo-registry-${{ hashFiles('**/Cargo.lock') }}
+        key: ${{ runner.os }}-cargo-registry
     - name: Cache cargo index
       uses: actions/cache@v1
       with:
         path: ~/.cargo/git
-        key: ${{ runner.os }}-cargo-index-${{ hashFiles('**/Cargo.lock') }}
+        key: ${{ runner.os }}-cargo-index
     - name: Cache cargo build
       uses: actions/cache@v1
       with:
         path: target
-        key: ${{ runner.os }}-cargo-build-target-${{ hashFiles('**/Cargo.lock') }}
+        key: ${{ runner.os }}-cargo-build-target
     - name: Master Toolchain Setup
       run: bash setup-toolchain.sh
     - name: Build