this derivation will be built:
  /nix/store/b8jv6p9b96cbiqydlfz7phx7826m8j0w-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/b8jv6p9b96cbiqydlfz7phx7826m8j0w-bcachefs-module-7.0.0-39-generic.drv'...