these 2 derivations will be built:
  /nix/store/3xrv4h2wi47f1myala9yzk5ql697lsgk-flake-inputs.drv
  /nix/store/l5hz1vwzj2c7r948glr0l7ljygqidhq0-check-flake-inputs.drv
building '/nix/store/3xrv4h2wi47f1myala9yzk5ql697lsgk-flake-inputs.drv'
building '/nix/store/l5hz1vwzj2c7r948glr0l7ljygqidhq0-check-flake-inputs.drv'

upload niks3: ok