these 2 derivations will be built:
  /nix/store/dw2qy2whg2yr6sprvs8k74sp8yl7yz8w-flake-inputs.drv
  /nix/store/f9sjcdlnm3bf8nvzn6zkydyddxaia3w7-check-flake-inputs.drv
building '/nix/store/dw2qy2whg2yr6sprvs8k74sp8yl7yz8w-flake-inputs.drv'
building '/nix/store/f9sjcdlnm3bf8nvzn6zkydyddxaia3w7-check-flake-inputs.drv'

upload niks3: ok