this derivation will be built:
  /nix/store/8lqq2906jhpa2dcfk1fh64mmxf5rafjg-bcachefs-module-7.0.0-27-generic.drv
building '/nix/store/8lqq2906jhpa2dcfk1fh64mmxf5rafjg-bcachefs-module-7.0.0-27-generic.drv'...