this derivation will be built:
  /nix/store/2d71irac1d8nj5v4gkfv82nvda1iak9b-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/2d71irac1d8nj5v4gkfv82nvda1iak9b-bcachefs-module-7.0.0-39-generic.drv'...