these 2 derivations will be built:
  /nix/store/xipp4hvxnil0667fhhmgadgad346ziv0-flake-inputs.drv
  /nix/store/4xkygyyj43105p2xdbv3psd1q1462g8m-check-flake-inputs.drv
building '/nix/store/xipp4hvxnil0667fhhmgadgad346ziv0-flake-inputs.drv'
building '/nix/store/4xkygyyj43105p2xdbv3psd1q1462g8m-check-flake-inputs.drv'

upload niks3: ok