these 2 derivations will be built: /nix/store/1vijvl35kmm42p7ydawh7qrzs7mhmiri-flake-inputs.drv /nix/store/c9h7vz7kkkdbssvq77my20r6g7bkrlrr-check-flake-inputs.drv building '/nix/store/1vijvl35kmm42p7ydawh7qrzs7mhmiri-flake-inputs.drv' building '/nix/store/c9h7vz7kkkdbssvq77my20r6g7bkrlrr-check-flake-inputs.drv' upload niks3: ok