this derivation will be built:
  /nix/store/l4h8c98l35nfc977phqlibylbp1lakp7-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/l4h8c98l35nfc977phqlibylbp1lakp7-bcachefs-module-7.0.0-39-generic.drv'...