this derivation will be built:
  /nix/store/ahls0c9zkzwzcqq8srabckn5k1n8viyy-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/ahls0c9zkzwzcqq8srabckn5k1n8viyy-bcachefs-module-7.0.0-39-generic.drv'...