these 2 derivations will be built:
  /nix/store/v5rnyz26y5h16i7zl1pcfbnrgaxkk62h-flake-inputs.drv
  /nix/store/1ypii7xpxya8rr31q612hqf4ygbrmkp9-check-flake-inputs.drv
building '/nix/store/v5rnyz26y5h16i7zl1pcfbnrgaxkk62h-flake-inputs.drv'
building '/nix/store/1ypii7xpxya8rr31q612hqf4ygbrmkp9-check-flake-inputs.drv'

upload niks3: ok