these 2 derivations will be built:
  /nix/store/a5g81lmm4bk4v3hinrvr3s38w28yiisa-flake-inputs.drv
  /nix/store/bn7zzvlnmbyfxvpj9kylplh7gnmhlpxw-check-flake-inputs.drv
building '/nix/store/a5g81lmm4bk4v3hinrvr3s38w28yiisa-flake-inputs.drv'
building '/nix/store/bn7zzvlnmbyfxvpj9kylplh7gnmhlpxw-check-flake-inputs.drv'

upload niks3: ok