these 2 derivations will be built: /nix/store/4c63mazqmbiqyqw29km95lr71qfvhq3w-flake-inputs.drv /nix/store/phqz9mgs3jnnzs6as0yfjaxkbwq09ghd-check-flake-inputs.drv building '/nix/store/4c63mazqmbiqyqw29km95lr71qfvhq3w-flake-inputs.drv' building '/nix/store/phqz9mgs3jnnzs6as0yfjaxkbwq09ghd-check-flake-inputs.drv' upload niks3: ok