Merge pull request #5356 from JohnTitor/cache

Update actions/cache to v2

.github/workflows/ci.yaml

@@ -34,7 +34,7 @@ jobs:
     name: Rust
     runs-on: ${{ matrix.os }}
     env:
-     CC: deny_c
+      CC: deny_c
 
     strategy:
       fail-fast: false
@@ -64,20 +64,16 @@ jobs:
     - if: matrix.os == 'ubuntu-latest'
       run: sudo chown -R $(whoami):$(id -ng) ~/.cargo/
 
-    - name: Cache cargo registry
-      uses: actions/cache@v1
+    - name: Cache cargo directories
+      uses: actions/cache@v2
       with:
-        path: ~/.cargo/registry
-        key: ${{ runner.os }}-cargo-registry-${{ hashFiles('**/Cargo.lock') }}
-
-    - name: Cache cargo index
-      uses: actions/cache@v1
-      with:
-        path: ~/.cargo/git
-        key: ${{ runner.os }}-cargo-index-${{ hashFiles('**/Cargo.lock') }}
+        path: |
+          ~/.cargo/registry
+          ~/.cargo/git
+        key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
 
     - name: Cache cargo target dir
-      uses: actions/cache@v1
+      uses: actions/cache@v2
       with:
         path: target
         key: ${{ runner.os }}-cargo-build-target-${{ hashFiles('**/Cargo.lock') }}
@@ -114,17 +110,13 @@ jobs:
 
     - run: sudo chown -R $(whoami):$(id -ng) ~/.cargo/
 
-    - name: Cache cargo registry
-      uses: actions/cache@v1
+    - name: Cache cargo directories
+      uses: actions/cache@v2
       with:
-        path: ~/.cargo/registry
-        key: ${{ runner.os }}-cargo-registry-${{ hashFiles('**/Cargo.lock') }}
-
-    - name: Cache cargo index
-      uses: actions/cache@v1
-      with:
-        path: ~/.cargo/git
-        key: ${{ runner.os }}-cargo-index-${{ hashFiles('**/Cargo.lock') }}
+        path: |
+          ~/.cargo/registry
+          ~/.cargo/git
+        key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
 
     - name: Check
       run: cargo check --target=powerpc-unknown-linux-gnu --all-targets