From 218caa410aa38c29984be31a5229b9fa717560ee Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 14:19:13 +0200 Subject: Merging upstream version 1.68.2+dfsg1. Signed-off-by: Daniel Baumann --- tests/ui/wf/wf-convert-unsafe-trait-obj-box.stderr | 51 ++++++++++++++++++++++ 1 file changed, 51 insertions(+) create mode 100644 tests/ui/wf/wf-convert-unsafe-trait-obj-box.stderr (limited to 'tests/ui/wf/wf-convert-unsafe-trait-obj-box.stderr') diff --git a/tests/ui/wf/wf-convert-unsafe-trait-obj-box.stderr b/tests/ui/wf/wf-convert-unsafe-trait-obj-box.stderr new file mode 100644 index 000000000..6cf4f33f9 --- /dev/null +++ b/tests/ui/wf/wf-convert-unsafe-trait-obj-box.stderr @@ -0,0 +1,51 @@ +error[E0038]: the trait `Trait` cannot be made into an object + --> $DIR/wf-convert-unsafe-trait-obj-box.rs:16:33 + | +LL | let t_box: Box = Box::new(S); + | ^^^^^^^^^^^ `Trait` cannot be made into an object + | +note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit + --> $DIR/wf-convert-unsafe-trait-obj-box.rs:6:14 + | +LL | trait Trait: Sized {} + | ----- ^^^^^ ...because it requires `Self: Sized` + | | + | this trait cannot be made into an object... + = note: required for `Box` to implement `CoerceUnsized>` + = note: required by cast to type `Box` + +error[E0038]: the trait `Trait` cannot be made into an object + --> $DIR/wf-convert-unsafe-trait-obj-box.rs:17:15 + | +LL | takes_box(Box::new(S)); + | ^^^^^^^^^^^ `Trait` cannot be made into an object + | +note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit + --> $DIR/wf-convert-unsafe-trait-obj-box.rs:6:14 + | +LL | trait Trait: Sized {} + | ----- ^^^^^ ...because it requires `Self: Sized` + | | + | this trait cannot be made into an object... + = note: required for `Box` to implement `CoerceUnsized>` + = note: required by cast to type `Box<(dyn Trait + 'static)>` + +error[E0038]: the trait `Trait` cannot be made into an object + --> $DIR/wf-convert-unsafe-trait-obj-box.rs:15:5 + | +LL | Box::new(S) as Box; + | ^^^^^^^^^^^ `Trait` cannot be made into an object + | +note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit + --> $DIR/wf-convert-unsafe-trait-obj-box.rs:6:14 + | +LL | trait Trait: Sized {} + | ----- ^^^^^ ...because it requires `Self: Sized` + | | + | this trait cannot be made into an object... + = note: required for `Box` to implement `CoerceUnsized>` + = note: required by cast to type `Box` + +error: aborting due to 3 previous errors + +For more information about this error, try `rustc --explain E0038`. -- cgit v1.2.3