this derivation will be built:
  /nix/store/phhbfqhqkin51hsa9jaj1crdiv1nbkll-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/phhbfqhqkin51hsa9jaj1crdiv1nbkll-bcachefs-module-7.0.0-38-generic.drv'...