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error: usage of an `Arc` that is not `Send` or `Sync`
--> $DIR/arc_with_non_send_sync.rs:35:13
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LL | let _ = Arc::new(RefCell::new(42));
| ^^^^^^^^^^^^^^^^^^^^^^^^^^
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= note: the trait `Sync` is not implemented for `RefCell<i32>`
= note: required for `Arc<RefCell<i32>>` to implement `Send` and `Sync`
= help: consider using an `Rc` instead or wrapping the inner type with a `Mutex`
= note: `-D clippy::arc-with-non-send-sync` implied by `-D warnings`
= help: to override `-D warnings` add `#[allow(clippy::arc_with_non_send_sync)]`
error: usage of an `Arc` that is not `Send` or `Sync`
--> $DIR/arc_with_non_send_sync.rs:40:13
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LL | let _ = Arc::new(mutex.lock().unwrap());
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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= note: the trait `Send` is not implemented for `MutexGuard<'_, i32>`
= note: required for `Arc<MutexGuard<'_, i32>>` to implement `Send` and `Sync`
= help: consider using an `Rc` instead or wrapping the inner type with a `Mutex`
error: usage of an `Arc` that is not `Send` or `Sync`
--> $DIR/arc_with_non_send_sync.rs:44:13
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LL | let _ = Arc::new(&42 as *const i32);
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^
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= note: the trait `Send` is not implemented for `*const i32`
= note: the trait `Sync` is not implemented for `*const i32`
= note: required for `Arc<*const i32>` to implement `Send` and `Sync`
= help: consider using an `Rc` instead or wrapping the inner type with a `Mutex`
error: aborting due to 3 previous errors
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