{ inputs = { nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable"; flake-utils.url = "github:numtide/flake-utils"; rust-overlay = { url = "github:oxalica/rust-overlay"; inputs.nixpkgs.follows = "nixpkgs"; }; }; outputs = { nixpkgs, flake-utils, rust-overlay, ... }: flake-utils.lib.eachDefaultSystem ( system: let overlays = [ (import rust-overlay) ]; pkgs = import nixpkgs { inherit system overlays; }; in { devShell = with pkgs; mkShell.override { stdenv = stdenvAdapters.useMoldLinker clangStdenv; } { nativeBuildInputs = [ rust-bin.nightly."2024-07-17".default cargo-make openssl pkg-config cargo-watch ]; }; } ); }