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error: usage of an `Arc` that is not `Send` and `Sync`
--> tests/ui/arc_with_non_send_sync.rs:35:13
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LL | let _ = Arc::new(RefCell::new(42));
| ^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= note: `Arc<RefCell<i32>>` is not `Send` and `Sync` as `RefCell<i32>` is not `Sync`
= help: if the `Arc` will not be used across threads replace it with an `Rc`
= help: otherwise make `RefCell<i32>` `Send` and `Sync` or consider a wrapper type such as `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` and `Sync`
--> tests/ui/arc_with_non_send_sync.rs:39:13
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LL | let _ = Arc::new(mutex.lock().unwrap());
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= note: `Arc<MutexGuard<'_, i32>>` is not `Send` and `Sync` as `MutexGuard<'_, i32>` is not `Send`
= help: if the `Arc` will not be used across threads replace it with an `Rc`
= help: otherwise make `MutexGuard<'_, i32>` `Send` and `Sync` or consider a wrapper type such as `Mutex`
error: usage of an `Arc` that is not `Send` and `Sync`
--> tests/ui/arc_with_non_send_sync.rs:42:13
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LL | let _ = Arc::new(&42 as *const i32);
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= note: `Arc<*const i32>` is not `Send` and `Sync` as `*const i32` is neither `Send` nor `Sync`
= help: if the `Arc` will not be used across threads replace it with an `Rc`
= help: otherwise make `*const i32` `Send` and `Sync` or consider a wrapper type such as `Mutex`
error: aborting due to 3 previous errors
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