lang/ruby: show messages when robe throws errors

modules/lang/ruby/config.el

@@ -58,7 +58,8 @@
     (when (executable-find "ruby")
       (cl-letf (((symbol-function #'yes-or-no-p) (lambda (_) t)))
         (save-window-excursion
-          (ignore-errors (robe-start)))
+          (with-demoted-errors "ROBE ERROR: %s"
+            (robe-start)))
         (when (robe-running-p)
           (add-hook 'kill-buffer-hook #'+ruby|cleanup-robe-servers nil t)))))
   (add-hook 'enh-ruby-mode-hook #'+ruby|init-robe)