{ inputs = { nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable"; flake-utils.url = "github:numtide/flake-utils"; rust-overlay = { url = "github:oxalica/rust-overlay"; inputs = { nixpkgs.follows = "nixpkgs"; flake-utils.follows = "flake-utils"; }; }; crane = { url = "github:ipetkov/crane"; inputs = { nixpkgs.follows = "nixpkgs"; flake-utils.follows = "flake-utils"; rust-overlay.follows = "rust-overlay"; }; }; }; outputs = { self, nixpkgs, flake-utils, rust-overlay, crane }: flake-utils.lib.eachDefaultSystem (system: let overlays = [ (import rust-overlay) ]; pkgs = import nixpkgs { inherit system overlays; }; craneLib = crane.lib.${system}; src = craneLib.cleanCargoSource ./.; commonArgs = { inherit src; }; cargoArtifacts = craneLib.buildDepsOnly commonArgs; bin = craneLib.buildPackage (commonArgs // { inherit cargoArtifacts; }); in with pkgs; { packages = { inherit bin; default = bin; }; devShells.default = mkShell { buildInputs = [ rust-bin.stable.latest.default rust-analyzer nil ]; }; formatter = nixpkgs-fmt; } ); }