these 2 derivations will be built:
  /nix/store/wra69gfymrh7qlinw5i895v6gda0ncai-flake-inputs.drv
  /nix/store/kfqyj0j3raih1lkqa298qcbfv7ndw4q1-check-flake-inputs.drv
building '/nix/store/wra69gfymrh7qlinw5i895v6gda0ncai-flake-inputs.drv'
building '/nix/store/kfqyj0j3raih1lkqa298qcbfv7ndw4q1-check-flake-inputs.drv'

upload niks3: ok