these 2 derivations will be built:
  /nix/store/66l2yxxnzrc7rvdw0lrd4k08634bc0x4-flake-inputs.drv
  /nix/store/6qrhrp4xch5blpy3ckc90vw04l70hxq6-check-flake-inputs.drv
building '/nix/store/66l2yxxnzrc7rvdw0lrd4k08634bc0x4-flake-inputs.drv'
building '/nix/store/6qrhrp4xch5blpy3ckc90vw04l70hxq6-check-flake-inputs.drv'

upload niks3: ok