message: Add missing severity level
diff: @@ -371,6 +371,7 @@ export class CompileOutputConsumer implements OutputConsumer {
  switch (p) {
  case 'warning':
  return vscode.DiagnosticSeverity.Warning;
  + case 'fatal error':
  case 'error':
  return vscode.DiagnosticSeverity.Error;
  case 'note':
  