Try sccache

.github/workflows/build.yml

@@ -7,6 +7,9 @@ on:
 env:
   CARGO_TERM_COLOR: always
   RUST_BINARY_NAME: monzo-ingestion
+  SCCACHE_GHA_ENABLED: "on"
+  SCCACHE_GHA_VERSION: "1"
+  RUSTC_WRAPPER: "sccache"
 
 jobs:
   build:
@@ -33,15 +36,18 @@ jobs:
           apt-get update
           apt-get install -y gcc-aarch64-linux-gnu build-essential musl-tools
 
-      - name: Cache dependencies
-        uses: actions/cache@v3
-        with:
-          path: |
-            ~/.cargo
-            target/
-          key: "${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}"
-          restore-keys: |
-            ${{ runner.os }}-cargo-            
+      - name: Run sccache-cache
+        uses: mozilla-actions/sccache-action@v0.0.6
+
+#      - name: Cache dependencies
+#        uses: actions/cache@v3
+#        with:
+#          path: |
+#            ~/.cargo
+#            target/
+#          key: "${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}"
+#          restore-keys: |
+#            ${{ runner.os }}-cargo-
 
       - name: Build (x86_64)
         uses: actions-rs/cargo@v1
@@ -93,6 +99,10 @@ jobs:
           build-args: |
             BINARY_NAME=${{ env.RUST_BINARY_NAME }}
 
+      - name: Run sccache stat for check
+        shell: bash
+        run: ${SCCACHE_PATH} --show-stats
+
       - uses: robiningelbrecht/ntfy-action@v1.0.0
         name: Notify via ntfy.sh
         if: always()