message: Reserve the "target" profile name.
  Just in case we want to use it later.
diff: @@ -602,6 +602,7 @@ impl TomlProfile {
  | "rust"
  | "rustc"
  | "rustdoc"
  + | "target"
  | "tmp"
  | "uninstall"
  ) || lower_name.starts_with("cargo")
  