this derivation will be built:
  /nix/store/v9j15vfs8zxahsmc24kbfsbcrl5kwas5-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/v9j15vfs8zxahsmc24kbfsbcrl5kwas5-bcachefs-module-7.0.0-39-generic.drv'...