these 2 derivations will be built:
  /nix/store/v1hc1k89jicwjgi3slw1hjl8pj47r1wj-flake-inputs.drv
  /nix/store/bbarkd50hrafj2jb0zs4xf7mwv3qrq6n-check-flake-inputs.drv
building '/nix/store/v1hc1k89jicwjgi3slw1hjl8pj47r1wj-flake-inputs.drv'
building '/nix/store/bbarkd50hrafj2jb0zs4xf7mwv3qrq6n-check-flake-inputs.drv'

upload niks3: ok