these 2 derivations will be built:
  /nix/store/z27ishkmwyp6ipbd1k0zpiinh949kpy9-flake-inputs.drv
  /nix/store/zs3gzf8bvihrafwkanp61ky678nmggvp-check-flake-inputs.drv
building '/nix/store/z27ishkmwyp6ipbd1k0zpiinh949kpy9-flake-inputs.drv'
building '/nix/store/zs3gzf8bvihrafwkanp61ky678nmggvp-check-flake-inputs.drv'

upload niks3: ok