this derivation will be built:
  /nix/store/99ka1a3pfvw69w58vq6lkkfjwrlw6l6j-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/99ka1a3pfvw69w58vq6lkkfjwrlw6l6j-bcachefs-module-7.0.0-39-generic.drv'...