this derivation will be built:
  /nix/store/97wg3z3ny1qj8fwjq9zn530ychxbzb09-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/97wg3z3ny1qj8fwjq9zn530ychxbzb09-bcachefs-module-7.0.0-38-generic.drv'...