these 2 derivations will be built: /nix/store/fbd98dqjyj6x9l71vsn0brhc4bzck92x-flake-inputs.drv /nix/store/7i6f7y4j7jykk45mf7pksr6cgjv58c4n-check-flake-inputs.drv building '/nix/store/fbd98dqjyj6x9l71vsn0brhc4bzck92x-flake-inputs.drv' building '/nix/store/7i6f7y4j7jykk45mf7pksr6cgjv58c4n-check-flake-inputs.drv' upload niks3: ok