these 2 derivations will be built: /nix/store/f9kydbskhhhpfmzsfc1z9cnb9y33367i-flake-inputs.drv /nix/store/mqk04w98d0ph4di0m50frnll5x1ahnmk-check-flake-inputs.drv building '/nix/store/f9kydbskhhhpfmzsfc1z9cnb9y33367i-flake-inputs.drv' building '/nix/store/mqk04w98d0ph4di0m50frnll5x1ahnmk-check-flake-inputs.drv' upload niks3: ok