Add abstraction to use multiple toolchains

Signed-off-by: Marcel Müller <neikos@neikos.email>

lib/mk-cargo-dylint-driver.nix

@@ -0,0 +1,22 @@
+{
+  craneLib,
+}:
+
+toolchainName: toolchain:
+
+let
+  pname = "cargo-dylint-driver-${toolchainName}";
+  version = "4.0.0";
+  src = ../dylint_driver;
+in
+
+(craneLib.overrideToolchain toolchain).buildPackage ({
+  inherit pname version src;
+
+  strictDeps = true;
+  cargoArtifacts = null;
+
+  RUSTUP_TOOLCHAIN = toolchainName;
+
+  doNotRemoveReferencesToRustToolchain = true;
+})