Init. Tested against cargo bench, the single-threaded consumer is confirmed working.

package.nix

@@ -0,0 +1,13 @@
+{ rustPlatform, ... }:
+let
+  cargoToml = builtins.fromTOML (builtins.readFile ./Cargo.toml);
+  version = cargoToml.package.version;
+  pname = cargoToml.package.name;
+in
+rustPlatform.buildRustPackage {
+  inherit pname version;
+  src = ./.;
+  cargoLock = {
+    lockFile = ./Cargo.lock;
+  };
+}