Update Rust directories recommended for caching (#433)

aleksator · web-flow · commit cc2d767a726d · 2021-05-21T12:41:57.000-05:00
This commit applies the suggestion from The Cargo Book: https://doc.rust-lang.org/cargo/guide/cargo-home.html#caching-the-cargo-home-in-ci
diff --git a/examples.md b/examples.md
@@ -476,9 +476,11 @@ whenever possible:
 - uses: actions/cache@v2
   with:
     path: |
-      ~/.cargo/registry
-      ~/.cargo/git
-      target
+      ~/.cargo/bin/
+      ~/.cargo/registry/index/
+      ~/.cargo/registry/cache/
+      ~/.cargo/git/db/
+      target/
     key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
 ```
 
