these 2 derivations will be built: /nix/store/byzlqzh1mq12d23n3zxsng1lhms7x3gx-flake-inputs.drv /nix/store/gn3a1cqzb0zw893ww9sbwldbmziv9zcj-check-flake-inputs.drv building '/nix/store/byzlqzh1mq12d23n3zxsng1lhms7x3gx-flake-inputs.drv' building '/nix/store/gn3a1cqzb0zw893ww9sbwldbmziv9zcj-check-flake-inputs.drv' upload niks3: ok