#![crate_name = "foo"] #![feature(negative_impls)] pub struct Foo; // @has foo/struct.Foo.html // @!has - 'Auto Trait Implementations' impl !Send for Foo {} impl !Sync for Foo {} impl !std::marker::Unpin for Foo {} impl !std::panic::RefUnwindSafe for Foo {} impl !std::panic::UnwindSafe for Foo {}