this derivation will be built:
  /nix/store/5d9wgjf8xrblk96vhy3wncqd5pmbq8xf-bcachefs-module-7.0.0-28-generic.drv
building '/nix/store/5d9wgjf8xrblk96vhy3wncqd5pmbq8xf-bcachefs-module-7.0.0-28-generic.drv'...