''' extern crate gtk; use gtk::prelude::*; use gtk::{Button, Window, WindowType}; fn main() { if gtk::init().is_err() { println!("Failed to initialize GTK."); return; } let window = Window::new(WindowType::Toplevel); window.set_title("First GTK+ Program"); window.set_default_size(350, 70); let button = Button::new_with_label("Click me!"); window.add(&button); window.show_all(); window.connect_delete_event(|_, _| { gtk::main_quit(); Inhibit(false) }); button.connect_clicked(|_| { println!("Clicked!"); }); gtk::main(); } **(.:15872): Gtk-ERROR : 15:43:06.203: GTK+ 2.x symbols detected. Using GTK+ 2.x and GTK+ 3 in the same process is not supported '''

请问各位大佬这个问题怎么解决呢？QAQ