{ ... }: let moz_overlay = import ( builtins.fetchTarball https://github.com/mozilla/nixpkgs-mozilla/archive/master.tar.gz ); pkgs = import { overlays = [ moz_overlay ]; }; in pkgs.mkShell { buildInputs = with pkgs; [ rustChannels.stable.rust-std rustChannels.stable.rust rustChannels.stable.rustc rustChannels.stable.cargo cmake curl gcc openssl pkgconfig which ]; LIBCLANG_PATH = "${pkgs.llvmPackages.libclang}/lib"; }