these 2 derivations will be built:
  /nix/store/6vvbingv5zwxb19z5171plph5jj2g8sf-flake-inputs.drv
  /nix/store/lmvz40pwyw6lj7kwxa8w17r9nbl56x9k-check-flake-inputs.drv
building '/nix/store/6vvbingv5zwxb19z5171plph5jj2g8sf-flake-inputs.drv'
building '/nix/store/lmvz40pwyw6lj7kwxa8w17r9nbl56x9k-check-flake-inputs.drv'

upload niks3: ok