this derivation will be built:
  /nix/store/b34651jqjl5fh7lgswb3sg8v4whk3kfj-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/b34651jqjl5fh7lgswb3sg8v4whk3kfj-bcachefs-module-7.0.0-38-generic.drv'...