this derivation will be built:
  /nix/store/jkny9vx9spyxhnwrwq05ballr87550g6-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/jkny9vx9spyxhnwrwq05ballr87550g6-bcachefs-module-7.0.0-29-generic.drv'...