these 2 derivations will be built: /nix/store/6icyc81ijrrqmli6aakwwacyqd2bcr55-flake-inputs.drv /nix/store/y5bpz10xx9f8pljzg067sjx92nj2jwnn-check-flake-inputs.drv building '/nix/store/6icyc81ijrrqmli6aakwwacyqd2bcr55-flake-inputs.drv' building '/nix/store/y5bpz10xx9f8pljzg067sjx92nj2jwnn-check-flake-inputs.drv' upload niks3: ok