these 2 derivations will be built: /nix/store/gkf67v3cbnqvs13rpk7jv8iv928jwagc-flake-inputs.drv /nix/store/zqb85did860cpdzp7rmzy4c4h6gpwhb0-check-flake-inputs.drv building '/nix/store/gkf67v3cbnqvs13rpk7jv8iv928jwagc-flake-inputs.drv' building '/nix/store/zqb85did860cpdzp7rmzy4c4h6gpwhb0-check-flake-inputs.drv' upload niks3: ok