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Diffstat (limited to '')
-rw-r--r-- | src/test/ui/issues/issue-7013.stderr | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/src/test/ui/issues/issue-7013.stderr b/src/test/ui/issues/issue-7013.stderr new file mode 100644 index 000000000..f6cb1cbdc --- /dev/null +++ b/src/test/ui/issues/issue-7013.stderr @@ -0,0 +1,18 @@ +error[E0277]: `Rc<RefCell<A>>` cannot be sent between threads safely + --> $DIR/issue-7013.rs:26:19 + | +LL | let a = A {v: box B{v: None} as Box<dyn Foo + Send>}; + | ^^^^^^^^^^^^^^ `Rc<RefCell<A>>` cannot be sent between threads safely + | + = help: within `B`, the trait `Send` is not implemented for `Rc<RefCell<A>>` + = note: required because it appears within the type `Option<Rc<RefCell<A>>>` +note: required because it appears within the type `B` + --> $DIR/issue-7013.rs:10:8 + | +LL | struct B { + | ^ + = note: required for the cast from `B` to the object type `dyn Foo + Send` + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0277`. |