this derivation will be built:
  /nix/store/v9115l611p71lac7ab2qgx2s3f9q610y-bcachefs-module-7.0.0-34-generic.drv
building '/nix/store/v9115l611p71lac7ab2qgx2s3f9q610y-bcachefs-module-7.0.0-34-generic.drv'...