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| 1 | +error[E0277]: `std::sync::MutexGuard<'_, ()>` cannot be sent between threads safely |
| 2 | + --> $DIR/issue-67893.rs:9:5 |
| 3 | + | |
| 4 | +LL | fn g(_: impl Send) {} |
| 5 | + | ---- required by this bound in `g` |
| 6 | +... |
| 7 | +LL | g(issue_67893::run()) |
| 8 | + | ^ `std::sync::MutexGuard<'_, ()>` cannot be sent between threads safely |
| 9 | + | |
| 10 | + ::: $DIR/auxiliary/issue_67893.rs:7:20 |
| 11 | + | |
| 12 | +LL | pub async fn run() { |
| 13 | + | - within this `impl std::future::Future` |
| 14 | + | |
| 15 | + = help: within `impl std::future::Future`, the trait `std::marker::Send` is not implemented for `std::sync::MutexGuard<'_, ()>` |
| 16 | + = note: required because it appears within the type `for<'r, 's, 't0, 't1, 't2, 't3> {std::future::ResumeTy, std::sync::Arc<std::sync::Mutex<()>>, &'r std::sync::Mutex<()>, std::result::Result<std::sync::MutexGuard<'s, ()>, std::sync::PoisonError<std::sync::MutexGuard<'t0, ()>>>, &'t1 std::sync::MutexGuard<'t2, ()>, std::sync::MutexGuard<'t3, ()>, (), impl std::future::Future}` |
| 17 | + = note: required because it appears within the type `[static generator@issue_67893::run::{{closure}}#0 for<'r, 's, 't0, 't1, 't2, 't3> {std::future::ResumeTy, std::sync::Arc<std::sync::Mutex<()>>, &'r std::sync::Mutex<()>, std::result::Result<std::sync::MutexGuard<'s, ()>, std::sync::PoisonError<std::sync::MutexGuard<'t0, ()>>>, &'t1 std::sync::MutexGuard<'t2, ()>, std::sync::MutexGuard<'t3, ()>, (), impl std::future::Future}]` |
| 18 | + = note: required because it appears within the type `std::future::from_generator::GenFuture<[static generator@issue_67893::run::{{closure}}#0 for<'r, 's, 't0, 't1, 't2, 't3> {std::future::ResumeTy, std::sync::Arc<std::sync::Mutex<()>>, &'r std::sync::Mutex<()>, std::result::Result<std::sync::MutexGuard<'s, ()>, std::sync::PoisonError<std::sync::MutexGuard<'t0, ()>>>, &'t1 std::sync::MutexGuard<'t2, ()>, std::sync::MutexGuard<'t3, ()>, (), impl std::future::Future}]>` |
| 19 | + = note: required because it appears within the type `impl std::future::Future` |
| 20 | + = note: required because it appears within the type `impl std::future::Future` |
| 21 | + |
| 22 | +error: aborting due to previous error |
| 23 | + |
| 24 | +For more information about this error, try `rustc --explain E0277`. |
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