this derivation will be built:
  /nix/store/bl9h0f5f4m65vz7q478fx9v9vkndq0kq-bcachefs-module-7.0.0-34-generic-64k.drv
building '/nix/store/bl9h0f5f4m65vz7q478fx9v9vkndq0kq-bcachefs-module-7.0.0-34-generic-64k.drv'...