ci: restore cache in one action

.github/workflows/ci.yml

@@ -22,6 +22,15 @@ jobs:
     steps:
       - uses: actions/checkout@v3
 
+      - name: Restore cargo cache
+        uses: actions/cache@v2.1.7
+        with:
+          path: |
+            ~/.cargo/registry
+            ~/.cargo/git
+            target
+          key: ${{ matrix.os }}-cargo-${{ matrix.rust }}-${{ hashFiles('Cargo.lock') }}
+
       - name: Toolchain
         uses: actions-rs/toolchain@v1
         with:
@@ -29,18 +38,6 @@ jobs:
           toolchain: ${{ matrix.rust }}
           override: true
 
-      - name: Cache cargo registry
-        uses: actions/cache@v1
-        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') }}
-
       - name: Build
         run: cargo build --verbose
 
@@ -61,30 +58,21 @@ jobs:
     steps:
       - uses: actions/checkout@v3
 
-      - name: Install latest stable
+      - name: Toolchain
         uses: actions-rs/toolchain@v1
         with:
           toolchain: stable
           override: true
           components: clippy
 
-      - name: Cache cargo registry
-        uses: actions/cache@v1
+    - name: Restore cargo cache
+      uses: actions/cache@v2.1.7
       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('Cargoo.lock') }}
-
-      - name: Cache cargo build
-        uses: actions/cache@v1
-        with:
-          path: target
-          key: ${{ runner.os }}-cargo-build-target-${{ hashFiles('Cargo.lock') }}
+        path: |
+          ~/.cargo/registry
+          ~/.cargo/git
+          target
+        key: ${{ runner.os }}-cargo-stable-${{ hashFiles('Cargo.lock') }}
 
       - name: Check clippy
         uses: actions-rs/cargo@v1
@@ -98,13 +86,22 @@ jobs:
     steps:
       - uses: actions/checkout@v2
 
-      - name: Install latest stable
+      - name: Toolchain
         uses: actions-rs/toolchain@v1
         with:
           toolchain: stable
           override: true
           components: rustfmt
 
+      - name: Restore cargo cache
+        uses: actions/cache@v2.1.7
+        with:
+          path: |
+            ~/.cargo/registry
+            ~/.cargo/git
+            target
+          key: ${{ runner.os }}-cargo-stable-${{ hashFiles('Cargo.lock') }}
+
       - name: Check format
         uses: actions-rs/cargo@v1
         with: