this derivation will be built:
  /nix/store/fbg7iarmiyj21yclhy54w8hn1s12zyjx-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/fbg7iarmiyj21yclhy54w8hn1s12zyjx-bcachefs-module-7.0.0-29-generic.drv'...