these 2 derivations will be built:
  /nix/store/nz41acp52hsnn2v7nq7jmb5gjxcmly9b-flake-inputs.drv
  /nix/store/hzfsjc9gymsmx97l0sw0p3q0xcpp19xp-check-flake-inputs.drv
building '/nix/store/nz41acp52hsnn2v7nq7jmb5gjxcmly9b-flake-inputs.drv'
building '/nix/store/hzfsjc9gymsmx97l0sw0p3q0xcpp19xp-check-flake-inputs.drv'

upload niks3: ok