these 2 derivations will be built:
  /nix/store/fjswkg973p0csi31zssqkygxcp2igy88-flake-inputs.drv
  /nix/store/4wa9haz5gi9cjgcl2aykbj2572hxqrn6-check-flake-inputs.drv
building '/nix/store/fjswkg973p0csi31zssqkygxcp2igy88-flake-inputs.drv'
building '/nix/store/4wa9haz5gi9cjgcl2aykbj2572hxqrn6-check-flake-inputs.drv'

upload niks3: ok