these 2 derivations will be built: /nix/store/nbvq0iygirbyahly8pp2xxarw89sc9gx-flake-inputs.drv /nix/store/6bylsaqgnwpy5cg4vyiaghs2i5yamha0-check-flake-inputs.drv building '/nix/store/nbvq0iygirbyahly8pp2xxarw89sc9gx-flake-inputs.drv' building '/nix/store/6bylsaqgnwpy5cg4vyiaghs2i5yamha0-check-flake-inputs.drv' upload niks3: ok