these 2 derivations will be built: /nix/store/4dq4wrnrwpk0ycn70z98yamcj5d27img-flake-inputs.drv /nix/store/lcgx41wxvw4hcx0mgfn6kf132g4zk43r-check-flake-inputs.drv building '/nix/store/4dq4wrnrwpk0ycn70z98yamcj5d27img-flake-inputs.drv' building '/nix/store/lcgx41wxvw4hcx0mgfn6kf132g4zk43r-check-flake-inputs.drv' upload niks3: ok