146 lines
6.1 KiB
Plaintext
146 lines
6.1 KiB
Plaintext
error: future cannot be sent between threads safely
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--> $DIR/future_not_send.rs:8:62
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LL | async fn private_future(rc: Rc<[u8]>, cell: &Cell<usize>) -> bool {
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| ^^^^ future returned by `private_future` is not `Send`
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= note: `-D clippy::future-not-send` implied by `-D warnings`
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note: future is not `Send` as this value is used across an await
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--> $DIR/future_not_send.rs:9:5
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LL | async fn private_future(rc: Rc<[u8]>, cell: &Cell<usize>) -> bool {
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| -- has type `std::rc::Rc<[u8]>` which is not `Send`
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LL | async { true }.await
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| ^^^^^^^^^^^^^^^^^^^^ await occurs here, with `rc` maybe used later
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LL | }
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| - `rc` is later dropped here
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= note: `std::rc::Rc<[u8]>` doesn't implement `std::marker::Send`
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note: future is not `Send` as this value is used across an await
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--> $DIR/future_not_send.rs:9:5
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LL | async fn private_future(rc: Rc<[u8]>, cell: &Cell<usize>) -> bool {
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| ---- has type `&std::cell::Cell<usize>` which is not `Send`
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LL | async { true }.await
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| ^^^^^^^^^^^^^^^^^^^^ await occurs here, with `cell` maybe used later
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LL | }
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| - `cell` is later dropped here
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= note: `std::cell::Cell<usize>` doesn't implement `std::marker::Sync`
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error: future cannot be sent between threads safely
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--> $DIR/future_not_send.rs:12:42
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LL | pub async fn public_future(rc: Rc<[u8]>) {
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| ^ future returned by `public_future` is not `Send`
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note: future is not `Send` as this value is used across an await
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--> $DIR/future_not_send.rs:13:5
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LL | pub async fn public_future(rc: Rc<[u8]>) {
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| -- has type `std::rc::Rc<[u8]>` which is not `Send`
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LL | async { true }.await;
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| ^^^^^^^^^^^^^^^^^^^^ await occurs here, with `rc` maybe used later
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LL | }
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| - `rc` is later dropped here
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= note: `std::rc::Rc<[u8]>` doesn't implement `std::marker::Send`
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error: future cannot be sent between threads safely
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--> $DIR/future_not_send.rs:20:63
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LL | async fn private_future2(rc: Rc<[u8]>, cell: &Cell<usize>) -> bool {
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| ^^^^ future returned by `private_future2` is not `Send`
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note: captured value is not `Send`
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--> $DIR/future_not_send.rs:20:26
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LL | async fn private_future2(rc: Rc<[u8]>, cell: &Cell<usize>) -> bool {
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| ^^ has type `std::rc::Rc<[u8]>` which is not `Send`
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= note: `std::rc::Rc<[u8]>` doesn't implement `std::marker::Send`
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note: captured value is not `Send` because `&` references cannot be sent unless their referent is `Sync`
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--> $DIR/future_not_send.rs:20:40
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LL | async fn private_future2(rc: Rc<[u8]>, cell: &Cell<usize>) -> bool {
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| ^^^^ has type `&std::cell::Cell<usize>` which is not `Send`, because `std::cell::Cell<usize>` is not `Sync`
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= note: `std::cell::Cell<usize>` doesn't implement `std::marker::Sync`
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error: future cannot be sent between threads safely
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--> $DIR/future_not_send.rs:24:43
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LL | pub async fn public_future2(rc: Rc<[u8]>) {}
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| ^ future returned by `public_future2` is not `Send`
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note: captured value is not `Send`
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--> $DIR/future_not_send.rs:24:29
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LL | pub async fn public_future2(rc: Rc<[u8]>) {}
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| ^^ has type `std::rc::Rc<[u8]>` which is not `Send`
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= note: `std::rc::Rc<[u8]>` doesn't implement `std::marker::Send`
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error: future cannot be sent between threads safely
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--> $DIR/future_not_send.rs:35:39
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LL | async fn private_future(&self) -> usize {
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| ^^^^^ future returned by `private_future` is not `Send`
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note: future is not `Send` as this value is used across an await
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--> $DIR/future_not_send.rs:36:9
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LL | async fn private_future(&self) -> usize {
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| ----- has type `&Dummy` which is not `Send`
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LL | async { true }.await;
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| ^^^^^^^^^^^^^^^^^^^^ await occurs here, with `&self` maybe used later
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LL | self.rc.len()
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LL | }
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| - `&self` is later dropped here
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= note: `std::rc::Rc<[u8]>` doesn't implement `std::marker::Sync`
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error: future cannot be sent between threads safely
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--> $DIR/future_not_send.rs:40:39
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LL | pub async fn public_future(&self) {
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| ^ future returned by `public_future` is not `Send`
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note: future is not `Send` as this value is used across an await
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--> $DIR/future_not_send.rs:41:9
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LL | pub async fn public_future(&self) {
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| ----- has type `&Dummy` which is not `Send`
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LL | self.private_future().await;
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^ await occurs here, with `&self` maybe used later
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LL | }
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| - `&self` is later dropped here
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= note: `std::rc::Rc<[u8]>` doesn't implement `std::marker::Sync`
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error: future cannot be sent between threads safely
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--> $DIR/future_not_send.rs:50:37
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LL | async fn generic_future<T>(t: T) -> T
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| ^ future returned by `generic_future` is not `Send`
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note: future is not `Send` as this value is used across an await
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--> $DIR/future_not_send.rs:55:5
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LL | let rt = &t;
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| -- has type `&T` which is not `Send`
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LL | async { true }.await;
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| ^^^^^^^^^^^^^^^^^^^^ await occurs here, with `rt` maybe used later
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LL | t
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LL | }
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| - `rt` is later dropped here
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= note: `T` doesn't implement `std::marker::Sync`
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error: future cannot be sent between threads safely
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--> $DIR/future_not_send.rs:66:34
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LL | async fn unclear_future<T>(t: T) {}
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| ^ future returned by `unclear_future` is not `Send`
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note: captured value is not `Send`
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--> $DIR/future_not_send.rs:66:28
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LL | async fn unclear_future<T>(t: T) {}
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| ^ has type `T` which is not `Send`
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= note: `T` doesn't implement `std::marker::Send`
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error: aborting due to 8 previous errors
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