this derivation will be built:
  /nix/store/l5iixdvkbwxh91pqwf5rbrrl755yz40v-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/l5iixdvkbwxh91pqwf5rbrrl755yz40v-bcachefs-module-7.0.0-39-generic.drv'...