these 2 derivations will be built: /nix/store/07phbh3986nvakgysfa1zw5flnvxc0c5-flake-inputs.drv /nix/store/n2yvahy2rx7wqwq6lsvhy8iccbinm0cl-check-flake-inputs.drv building '/nix/store/07phbh3986nvakgysfa1zw5flnvxc0c5-flake-inputs.drv' building '/nix/store/n2yvahy2rx7wqwq6lsvhy8iccbinm0cl-check-flake-inputs.drv' upload niks3: ok