these 2 derivations will be built:
  /nix/store/c2in93y2f022rycdv2yak4g5y7qphr8d-flake-inputs.drv
  /nix/store/zn0zrc15nckdjhpw1i05n5xn3iflw46l-check-flake-inputs.drv
building '/nix/store/c2in93y2f022rycdv2yak4g5y7qphr8d-flake-inputs.drv'
building '/nix/store/zn0zrc15nckdjhpw1i05n5xn3iflw46l-check-flake-inputs.drv'

upload niks3: ok