this derivation will be built:
  /nix/store/blwd6cp2f17bbfackhi7q39hf4w0n35i-bcachefs-module-7.0.0-28-generic.drv
building '/nix/store/blwd6cp2f17bbfackhi7q39hf4w0n35i-bcachefs-module-7.0.0-28-generic.drv'...