Updated workflow files

.github/workflows/rust-build.yml

@@ -16,6 +16,35 @@ jobs:
 
     steps:
     - uses: actions/checkout@v3
+    - uses: Swatinem/rust-cache@v2
+      with:
+        # The prefix cache key, this can be changed to start a new cache manually.
+        # default: "v0-rust"
+        prefix-key: ""
+
+        # A cache key that is used instead of the automatic `job`-based key,
+        # and is stable over multiple jobs.
+        # default: empty
+        shared-key: ""
+
+        # An additional cache key that is added alongside the automatic `job`-based
+        # cache key and can be used to further differentiate jobs.
+        # default: empty
+        key: ""
+
+        # A whitespace separated list of env-var *prefixes* who's value contributes
+        # to the environment cache key.
+        # The env-vars are matched by *prefix*, so the default `RUST` var will
+        # match all of `RUSTC`, `RUSTUP_*`, `RUSTFLAGS`, `RUSTDOC_*`, etc.
+        # default: "CARGO CC CFLAGS CXX CMAKE RUST"
+        env-vars: ""
+        
+        # The cargo workspaces and target directory configuration.
+        # These entries are separated by newlines and have the form
+        # `$workspace -> $target`. The `$target` part is treated as a directory
+        # relative to the `$workspace` and defaults to "target" if not explicitly given.
+        # default: ". -> target"
+        workspaces: ". -> target"
     - name: Build
       run: cargo build --verbose
     - name: Run tests