these 2 derivations will be built:
  /nix/store/9yv2mykbsybhrqi0wzylnvnmdnmwxag1-flake-inputs.drv
  /nix/store/1z65w082d28qzb3y3sscy5d7xgpg1jmb-check-flake-inputs.drv
building '/nix/store/9yv2mykbsybhrqi0wzylnvnmdnmwxag1-flake-inputs.drv'
building '/nix/store/1z65w082d28qzb3y3sscy5d7xgpg1jmb-check-flake-inputs.drv'

upload niks3: ok