this derivation will be built:
  /nix/store/y1ap6vkjxpr2kdwgsy65fa5d2jpddg8a-bcachefs-module-7.0.0-14-generic.drv
building '/nix/store/y1ap6vkjxpr2kdwgsy65fa5d2jpddg8a-bcachefs-module-7.0.0-14-generic.drv'...