these 2 derivations will be built:
  /nix/store/8iqv4z5rw1nr86dj4a1p90rx176lg9p4-flake-inputs.drv
  /nix/store/y036hvarfckwbyv78blgcibg4gclrjil-check-flake-inputs.drv
building '/nix/store/8iqv4z5rw1nr86dj4a1p90rx176lg9p4-flake-inputs.drv'
building '/nix/store/y036hvarfckwbyv78blgcibg4gclrjil-check-flake-inputs.drv'

upload niks3: ok