this derivation will be built:
  /nix/store/4nqyqwnixfhxf8h8n5y4d6jdfarkkfz1-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/4nqyqwnixfhxf8h8n5y4d6jdfarkkfz1-bcachefs-module-7.0.0-39-generic.drv'...