these 2 derivations will be built: /nix/store/ynj7wlp1n6w3yf99sm7myp10mggc2m7b-flake-inputs.drv /nix/store/k61hy255aci3s68a8rqy5jav6cx5pzyf-check-flake-inputs.drv building '/nix/store/ynj7wlp1n6w3yf99sm7myp10mggc2m7b-flake-inputs.drv' building '/nix/store/k61hy255aci3s68a8rqy5jav6cx5pzyf-check-flake-inputs.drv' upload niks3: ok