message: toml: be less stringent on 'debug' profile, we already emit a warning on it
diff: @@ -536,9 +536,16 @@ impl TomlProfile {
  }
  match name {
  - "package" | "build" | "debug" => {
  + "package" | "build" => {
  failure::bail!("Invalid {}: `{}`", what, name);
  }
  + "debug" if what == "profile" => {
  + if what == "profile name" {
  + // Allowed, but will emit warnings
  + } else {
  + failure::bail!("Invalid {}: `{}`", what, name);
  + }
  + }
  "doc" if what == "dir-name" => {
  failure::bail!("Invalid {}: `{}`", what, name);
  }
  