this derivation will be built:
  /nix/store/cnn5xr64x3na54w7nyjqybxiqn218pva-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/cnn5xr64x3na54w7nyjqybxiqn218pva-bcachefs-module-7.0.0-38-generic.drv'...