this derivation will be built:
  /nix/store/kd04sq7w71nyc8w35zca5znlwrdyk4l1-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/kd04sq7w71nyc8w35zca5znlwrdyk4l1-bcachefs-module-7.0.0-38-generic.drv'...