these 2 derivations will be built:
  /nix/store/kgfx5yj8xcbk8jm0j5vfz3n0s4v95mz9-flake-inputs.drv
  /nix/store/dh892j6bajbkw4ckzxz01i8rshzq76jl-check-flake-inputs.drv