this derivation will be built:
  /nix/store/4y58yr47vsvz3xzg5zrvbr54rm0m866y-bcachefs-module-7.0.0-34-generic.drv
building '/nix/store/4y58yr47vsvz3xzg5zrvbr54rm0m866y-bcachefs-module-7.0.0-34-generic.drv'...