these 2 derivations will be built: /nix/store/bh1ncpzsvajy1wm7ic09jz6ywch8hygc-flake-inputs.drv /nix/store/4cz8mgirvqlyjzisjgqzbwxx45i5wwf6-check-flake-inputs.drv building '/nix/store/bh1ncpzsvajy1wm7ic09jz6ywch8hygc-flake-inputs.drv' building '/nix/store/4cz8mgirvqlyjzisjgqzbwxx45i5wwf6-check-flake-inputs.drv' upload niks3: ok