{
  inputs = {
    nixpkgs.url = github:NixOS/nixpkgs;
    cargo2nix.url = "github:cargo2nix/cargo2nix/master";
    cargo2nix.inputs.nixpkgs.follows = "nixpkgs";
    cargo2nix.inputs.flake-utils.follows = "flake-utils";
    cargo2nix.inputs.rust-overlay.follows = "rust-overlay";
    flake-utils.url = "github:numtide/flake-utils";
    rust-overlay.url = "github:oxalica/rust-overlay";
    rust-overlay.inputs.nixpkgs.follows = "nixpkgs";
    rust-overlay.inputs.flake-utils.follows = "flake-utils";
  };
  outputs = { self, nixpkgs, cargo2nix, flake-utils, rust-overlay, ... }:
    flake-utils.lib.eachDefaultSystem (system:
      let
        overlays = [
          cargo2nix.overlay.${system}
          rust-overlay.overlay
        ];
        pkgs = import nixpkgs {
          inherit system overlays;
        };
        rustPkgs = pkgs.rustBuilder.makePackageSet' {
          packageFun = import ./Cargo.nix;
          rustChannel = "1.58.1";
          packageOverrides = pkgs: pkgs.rustBuilder.overrides.all;
        };
      in
      rec {
        devShell = rustPkgs.workspaceShell { };

        packages = {
          shell = devShell;
        };
      }
    );
}