these 2 derivations will be built: /nix/store/xlgqs4j9ls8rfy5b9pp2gmsvh594dc6a-flake-inputs.drv /nix/store/y0dcravr1lkn6887bg69qn09fzicqj2s-check-flake-inputs.drv building '/nix/store/xlgqs4j9ls8rfy5b9pp2gmsvh594dc6a-flake-inputs.drv' building '/nix/store/y0dcravr1lkn6887bg69qn09fzicqj2s-check-flake-inputs.drv' upload niks3: ok