this derivation will be built:
  /nix/store/kspqlvv0dywkb9z59x9dn1dviz7pxbq8-bcachefs-module-7.0.0-34-generic.drv
building '/nix/store/kspqlvv0dywkb9z59x9dn1dviz7pxbq8-bcachefs-module-7.0.0-34-generic.drv'...