these 2 derivations will be built:
  /nix/store/qr7gs2ina9n2mmif1n3jcvjrna921qa5-flake-inputs.drv
  /nix/store/qn41i3pr49p49wcndfj4cfd980k2sj00-check-flake-inputs.drv
building '/nix/store/qr7gs2ina9n2mmif1n3jcvjrna921qa5-flake-inputs.drv'
building '/nix/store/qn41i3pr49p49wcndfj4cfd980k2sj00-check-flake-inputs.drv'

upload niks3: ok