these 2 derivations will be built: /nix/store/y2nca6ilgpfjhpdrn28nqb164x6850m6-flake-inputs.drv /nix/store/qhhrznldv9csil819gm6kyd7xmli7k6m-check-flake-inputs.drv building '/nix/store/y2nca6ilgpfjhpdrn28nqb164x6850m6-flake-inputs.drv' building '/nix/store/qhhrznldv9csil819gm6kyd7xmli7k6m-check-flake-inputs.drv' upload niks3: ok