these 2 derivations will be built:
  /nix/store/6qkg3pjcs1p75vk22pp35w015ybyfn1n-flake-inputs.drv
  /nix/store/vz7qa10z3z27ksiyay622lf0xxxl6jsc-check-flake-inputs.drv
building '/nix/store/6qkg3pjcs1p75vk22pp35w015ybyfn1n-flake-inputs.drv'
building '/nix/store/vz7qa10z3z27ksiyay622lf0xxxl6jsc-check-flake-inputs.drv'

upload niks3: ok