#![warn(rust_2021_incompatible_closure_captures)]
#![allow(unused)]
use std::rc::Rc;

struct Foo(Rc<i32>);

impl Drop for Foo {
    fn drop(self: &mut Foo) {}
}

pub fn foo() {
    let f = Foo(Rc::new(1));
    let x = move || {
        println!("{:?}", f.0);
    };
}

error[E0509]: cannot move out of type `Foo`, which implements the `Drop` trait
  --> src/lib.rs:13:13
   |
13 |     let x = move || {
   |             ^^^^^^^
   |             |
   |             cannot move out of here
   |             move out of `f.0` occurs here
14 |         println!("{:?}", f.0);
   |                          ---
   |                          |
   |                          move occurs because `f.0` has type `Rc<i32>`, which does not implement the `Copy` trait
   |                          move occurs due to use in closure