these 2 derivations will be built: /nix/store/18rrs6vadmm8ljl35qrl9z0s07pc8crj-flake-inputs.drv /nix/store/kj8ym6kw66ly556mifz6jy7y1hgi2i55-check-flake-inputs.drv building '/nix/store/18rrs6vadmm8ljl35qrl9z0s07pc8crj-flake-inputs.drv' building '/nix/store/kj8ym6kw66ly556mifz6jy7y1hgi2i55-check-flake-inputs.drv' upload niks3: ok