these 2 derivations will be built: /nix/store/3py51sqnmn8g4acr08qaczq7pr5d8za8-flake-inputs.drv /nix/store/kzx73drl6dgm2cwjbgdlg4hq6ixf5fj8-check-flake-inputs.drv building '/nix/store/3py51sqnmn8g4acr08qaczq7pr5d8za8-flake-inputs.drv' building '/nix/store/kzx73drl6dgm2cwjbgdlg4hq6ixf5fj8-check-flake-inputs.drv' upload niks3: ok