Nodejs not pulled from cache.nixos.org

Why does nix build decide to build nodejs instead of using the binary on cache.nixos.org? [2026-07-30T13:52:59-0500 koadic@laptop:~/project/nix-profile] $ cat flake.nix { # inputs.nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable"; inputs.nixpkgs.url = "github:NixOS/nixpkgs/09fe5f351396dd7db5024907681b203ada99e800"; outputs = { self, nixpkgs }: let lib = nixpkgs.lib; forAllSystems = lib.genAttrs lib.systems.flakeExposed; in { packages = forAllSystems (system: ...