build cargo-config with nixpkg's rustPlatform instead of craneLib

flake.nix

@@ -40,7 +40,10 @@
           extensions = ["rust-analyzer" "rust-src"];
           targets = ["x86_64-unknown-redox"];
         };
-      craneLib = (inputs.crane.mkLib pkgs).overrideToolchain rust-bin;
+      rustPlatform = pkgs.makeRustPlatform {
+        cargo = rust-bin;
+        rustc = rust-bin;
+      };
 
       # Podman config taken from https://nixos.wiki/wiki/Podman and https://gist.github.com/adisbladis/187204cb772800489ee3dac4acdd9947
       # Provides a script that copies required files to ~/
@@ -71,12 +74,9 @@
         ln -s ${pkgs.podman}/bin/podman $out/bin/docker
       '';
 
-      cargo-config =
-        craneLib.buildPackage
-        {
+      cargo-config = rustPlatform.buildRustPackage {
           pname = "cargo-config";
           version = "0.1.1";
-          cargoArtifacts = null;
 
           src = pkgs.fetchFromGitHub {
             owner = "wesleywiser";
@@ -85,6 +85,9 @@
             sha256 = "sha256-HrITNTfjBppOH1MhfZHfzHc6N8ymcm7vaiBI94ctUOA=";
             fetchSubmodules = true;
           };
+
+          # useFetchCargoVendor = true; # this is recommended, but fails in some python code?
+          cargoHash = "sha256-yQpIKclZ8KLE5JGkB/tjKZA8ezaD9SbUthDsuBXYZjQ=";
         };
 
       buildInputs = with pkgs; [
@@ -162,7 +165,7 @@
     in {
       devShells.default = with pkgs;
         mkShell {
-          inherit buildInputs;
+          packages = buildInputs;
 
           LD_LIBRARY_PATH = lib.makeLibraryPath buildInputs;
           NIX_SHELL_BUILD = "1";