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Diffstat (limited to '')
| -rw-r--r-- | tests/ui/async-await/async-fn-nonsend.stderr | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/tests/ui/async-await/async-fn-nonsend.stderr b/tests/ui/async-await/async-fn-nonsend.stderr new file mode 100644 index 000000000..0ced6c36f --- /dev/null +++ b/tests/ui/async-await/async-fn-nonsend.stderr @@ -0,0 +1,43 @@ +error: future cannot be sent between threads safely + --> $DIR/async-fn-nonsend.rs:68:17 + | +LL | assert_send(non_send_temporary_in_match()); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ future returned by `non_send_temporary_in_match` is not `Send` + | + = help: within `impl Future<Output = ()>`, the trait `Send` is not implemented for `Rc<()>` +note: future is not `Send` as this value is used across an await + --> $DIR/async-fn-nonsend.rs:33:26 + | +LL | match Some(non_send()) { + | ---------------- has type `Option<impl Debug>` which is not `Send` +LL | Some(_) => fut().await, + | ^^^^^ await occurs here, with `Some(non_send())` maybe used later +note: required by a bound in `assert_send` + --> $DIR/async-fn-nonsend.rs:64:24 + | +LL | fn assert_send(_: impl Send) {} + | ^^^^ required by this bound in `assert_send` + +error: future cannot be sent between threads safely + --> $DIR/async-fn-nonsend.rs:70:17 + | +LL | assert_send(non_sync_with_method_call()); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ future returned by `non_sync_with_method_call` is not `Send` + | + = help: within `impl Future<Output = ()>`, the trait `Send` is not implemented for `dyn std::fmt::Write` +note: future is not `Send` as this value is used across an await + --> $DIR/async-fn-nonsend.rs:46:15 + | +LL | let f: &mut std::fmt::Formatter = &mut get_formatter(); + | --------------- has type `Formatter<'_>` which is not `Send` +... +LL | fut().await; + | ^^^^^ await occurs here, with `get_formatter()` maybe used later +note: required by a bound in `assert_send` + --> $DIR/async-fn-nonsend.rs:64:24 + | +LL | fn assert_send(_: impl Send) {} + | ^^^^ required by this bound in `assert_send` + +error: aborting due to 2 previous errors + |