these 2 derivations will be built: /nix/store/l3g65c6hbdaj3636cc0j4za10c3bl5g3-flake-inputs.drv /nix/store/a81ng6li865hxrbnn55g2awh3c2naqs7-check-flake-inputs.drv building '/nix/store/l3g65c6hbdaj3636cc0j4za10c3bl5g3-flake-inputs.drv' building '/nix/store/a81ng6li865hxrbnn55g2awh3c2naqs7-check-flake-inputs.drv' upload niks3: ok