{ description = "A bare minimum Rust flake"; inputs = { flake-utils.url = "github:numtide/flake-utils"; rust-overlay.url = "github:oxalica/rust-overlay"; }; outputs = { self, nixpkgs, flake-utils, rust-overlay }: flake-utils.lib.eachDefaultSystem (sys: let pkgs = import nixpkgs { system = sys; overlays = [ (import rust-overlay) ]; }; rust = pkgs.rust-bin.stable.latest.default.override { extensions = [ "rust-src" "rust-analyzer" ]; }; platform = pkgs.makeRustPlatform { rustc = rust; cargo = rust; }; in rec { packages.default = platform.buildRustPackage { name = "my-cool-project"; src = ./.; cargoLock = { lockFile = ./Cargo.lock; }; }; devShells.default = pkgs.mkShell { packages = [ rust ]; }; } ); }