this derivation will be built:
  /nix/store/74n7kiq72ahak28f77jzz9nl9kdyx9bc-bcachefs-module-7.0.0-28-generic-64k.drv
building '/nix/store/74n7kiq72ahak28f77jzz9nl9kdyx9bc-bcachefs-module-7.0.0-28-generic-64k.drv'...