these 2 derivations will be built:
  /nix/store/r4nc3904xnwvk1by575hh16g2g3xz78y-flake-inputs.drv
  /nix/store/sksk28az74p39cx3jqcvfby23ifdqcfv-check-flake-inputs.drv
building '/nix/store/r4nc3904xnwvk1by575hh16g2g3xz78y-flake-inputs.drv'
building '/nix/store/sksk28az74p39cx3jqcvfby23ifdqcfv-check-flake-inputs.drv'

upload niks3: ok