these 2 derivations will be built:
  /nix/store/cn47aqhyj0q866ipsd6nw0hw8i9jn2yk-flake-inputs.drv
  /nix/store/6vf36fwfhkng1hc3fgl85pli7k38nags-check-flake-inputs.drv
building '/nix/store/cn47aqhyj0q866ipsd6nw0hw8i9jn2yk-flake-inputs.drv'
building '/nix/store/6vf36fwfhkng1hc3fgl85pli7k38nags-check-flake-inputs.drv'

upload niks3: ok