these 2 derivations will be built:
  /nix/store/d7s9rdiaywhciij32jbh3gaa6ijwfizw-flake-inputs.drv
  /nix/store/0khvyc5m3wvlxl24p9md63hnhllv4zr0-check-flake-inputs.drv
building '/nix/store/d7s9rdiaywhciij32jbh3gaa6ijwfizw-flake-inputs.drv'
building '/nix/store/0khvyc5m3wvlxl24p9md63hnhllv4zr0-check-flake-inputs.drv'

upload niks3: ok