stores cache in GH actions

.github/workflows/rust.yml

@@ -26,6 +26,65 @@ jobs:
     - uses: hecrj/setup-rust-action@v2
       with:
         rust-version: ${{ matrix.rust }}
+    - uses: Swatinem/rust-cache@v2
+      with:
+        # The prefix cache key, this can be changed to start a new cache manually.
+        # default: "v0-rust"
+        prefix-key: ""
+
+        # A cache key that is used instead of the automatic `job`-based key,
+        # and is stable over multiple jobs.
+        # default: empty
+        shared-key: ""
+
+        # An additional cache key that is added alongside the automatic `job`-based
+        # cache key and can be used to further differentiate jobs.
+        # default: empty
+        key: ""
+
+        # A whitespace separated list of env-var *prefixes* who's value contributes
+        # to the environment cache key.
+        # The env-vars are matched by *prefix*, so the default `RUST` var will
+        # match all of `RUSTC`, `RUSTUP_*`, `RUSTFLAGS`, `RUSTDOC_*`, etc.
+        # default: "CARGO CC CFLAGS CXX CMAKE RUST"
+        env-vars: ""
+
+        # The cargo workspaces and target directory configuration.
+        # These entries are separated by newlines and have the form
+        # `$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: ""
+
+        # Additional non workspace directories to be cached, separated by newlines.
+        cache-directories: ""
+
+        # Determines whether workspace `target` directories are cached.
+        # If `false`, only the cargo registry will be cached.
+        # default: "true"
+        cache-targets: "true"
+
+        # Determines if the cache should be saved even when the workflow has failed.
+        # default: "false"
+        cache-on-failure: "false"
+
+        # Determines which crates are cached.
+        # If `true` all crates will be cached, otherwise only dependent crates will be cached.
+        # Useful if additional crates are used for CI tooling.
+        # default: "false"
+        cache-all-crates: "false"
+
+        # Determiners whether the cache should be saved.
+        # If `false`, the cache is only restored.
+        # Useful for jobs where the matrix is additive e.g. additional Cargo features,
+        # or when only runs from `master` should be saved to the cache.
+        # default: "true"
+        save-if: "true"
+
+        # Specifies what to use as the backend providing cache
+        # Can be set to either "github" or "buildjet"
+        # default: "github"
+        cache-provider: "github"
     - name: Update APT Cache
       if: matrix.os == 'ubuntu-latest'
       run: sudo apt-get update

Cargo.toml

@@ -54,7 +54,7 @@ sqlx = { version = "^0.7.3", "features" = [
 sysinfo = "0.30.7"
 reqwest = { version = "0.12.0", features = ["json"] }
 lazy_static = "1.4.0"
-dashmap = "^6.0.0"
+dashmap = { git = "https://github.com/xacrimon/dashmap", branch = "master" }
 uuid = { version = "1.7.0", features = ["v4"] }
 duration-str = "0.11.0"