this derivation will be built:
  /nix/store/n49f8dqp23srnhl6sm4qrb9j8xadn9i9-bcachefs-module-7.0.0-14-generic.drv
building '/nix/store/n49f8dqp23srnhl6sm4qrb9j8xadn9i9-bcachefs-module-7.0.0-14-generic.drv'...