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Diffstat (limited to 'tests/ui/sync/suggest-once-cell.stderr')
| -rw-r--r-- | tests/ui/sync/suggest-once-cell.stderr | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/tests/ui/sync/suggest-once-cell.stderr b/tests/ui/sync/suggest-once-cell.stderr new file mode 100644 index 000000000..fadf05374 --- /dev/null +++ b/tests/ui/sync/suggest-once-cell.stderr @@ -0,0 +1,17 @@ +error[E0277]: `OnceCell<()>` cannot be shared between threads safely + --> $DIR/suggest-once-cell.rs:8:20 + | +LL | require_sync::<std::cell::OnceCell<()>>(); + | ^^^^^^^^^^^^^^^^^^^^^^^ `OnceCell<()>` cannot be shared between threads safely + | + = help: the trait `Sync` is not implemented for `OnceCell<()>` + = note: if you want to do aliasing and mutation between multiple threads, use `std::sync::OnceLock` instead +note: required by a bound in `require_sync` + --> $DIR/suggest-once-cell.rs:3:20 + | +LL | fn require_sync<T: Sync>() {} + | ^^^^ required by this bound in `require_sync` + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0277`. |