these 2 derivations will be built: /nix/store/sfvcszwpym38j9p4x7w0srjy7q1dgzph-flake-inputs.drv /nix/store/shyhqc3ci9ix623jklb3brclpxa1x34w-check-flake-inputs.drv building '/nix/store/sfvcszwpym38j9p4x7w0srjy7q1dgzph-flake-inputs.drv' building '/nix/store/shyhqc3ci9ix623jklb3brclpxa1x34w-check-flake-inputs.drv' upload niks3: ok