these 2 derivations will be built:
  /nix/store/h8a4k3w5rskj2wz60163vyknbivv73i6-flake-inputs.drv
  /nix/store/5r7gmy3zdrbviamzyzlkygxh65y90wqg-check-flake-inputs.drv
building '/nix/store/h8a4k3w5rskj2wz60163vyknbivv73i6-flake-inputs.drv'
building '/nix/store/5r7gmy3zdrbviamzyzlkygxh65y90wqg-check-flake-inputs.drv'

upload niks3: ok