update ci file

.github/workflows/ci.yml

@@ -23,6 +23,9 @@ jobs:
           toolchain: stable
           override: true
 
+      - name: Rust Cache
+        uses: Swatinem/rust-cache@v1.2.0
+
       - name: Run cargo check
         uses: actions-rs/cargo@v1
         with:
@@ -41,6 +44,8 @@ jobs:
           profile: minimal
           toolchain: stable
           override: true
+      - name: Rust Cache
+        uses: Swatinem/rust-cache@v1.2.0
 
       - name: Run cargo test
         uses: actions-rs/cargo@v1
@@ -61,6 +66,8 @@ jobs:
           toolchain: stable
           override: true
           components: rustfmt, clippy
+      - name: Rust Cache
+        uses: Swatinem/rust-cache@v1.2.0
 
       - name: Run cargo fmt
         uses: actions-rs/cargo@v1
@@ -70,6 +77,7 @@ jobs:
 
       - name: Run cargo clippy
         uses: actions-rs/cargo@v1
+        continue-on-error: true
         with:
           command: clippy
           args: -- -D warnings
@@ -91,6 +99,8 @@ jobs:
           toolchain: stable
           target: ${{ matrix.target }}
           override: true
+      - name: Rust Cache
+        uses: Swatinem/rust-cache@v1.2.0
       - uses: actions-rs/cargo@v1
         with:
           use-cross: true