this derivation will be built:
  /nix/store/5whv9qr22aa3n2h2g6jipzsx7029q9ic-bcachefs-module-7.0.0-14-generic.drv
building '/nix/store/5whv9qr22aa3n2h2g6jipzsx7029q9ic-bcachefs-module-7.0.0-14-generic.drv'...