these 2 derivations will be built:
  /nix/store/prgc3v4nv9p248gd4l27931d3kafqg13-flake-inputs.drv
  /nix/store/qsx67yjxcil3fs2jnxsbjnxw6kgy005h-check-flake-inputs.drv
building '/nix/store/prgc3v4nv9p248gd4l27931d3kafqg13-flake-inputs.drv'
building '/nix/store/qsx67yjxcil3fs2jnxsbjnxw6kgy005h-check-flake-inputs.drv'

upload niks3: ok