this derivation will be built:
  /nix/store/8a7v8b0rwk1njbysjz569mw6jza2mjjj-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/8a7v8b0rwk1njbysjz569mw6jza2mjjj-bcachefs-module-7.0.0-39-generic.drv'...