these 2 derivations will be built:
  /nix/store/z9j5lnbhxnjjfh6lr95959cspnrmigva-flake-inputs.drv
  /nix/store/0psbri5xvsjscylzjpd7nyjszih40hln-check-flake-inputs.drv
building '/nix/store/z9j5lnbhxnjjfh6lr95959cspnrmigva-flake-inputs.drv'
building '/nix/store/0psbri5xvsjscylzjpd7nyjszih40hln-check-flake-inputs.drv'

upload niks3: ok