these 2 derivations will be built: /nix/store/vykdhkzyynh0zkw3jyv2c5dkb9s8flw7-flake-inputs.drv /nix/store/ppk78dl1yb2rjgcnwj3xmfcwai1aszhk-check-flake-inputs.drv building '/nix/store/vykdhkzyynh0zkw3jyv2c5dkb9s8flw7-flake-inputs.drv' building '/nix/store/ppk78dl1yb2rjgcnwj3xmfcwai1aszhk-check-flake-inputs.drv' upload niks3: ok