this derivation will be built:
  /nix/store/0frh8v9y54z77xwk1mhb04g2cd6pivxx-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/0frh8v9y54z77xwk1mhb04g2cd6pivxx-bcachefs-module-7.0.0-31-generic.drv'...