Deny #[deprecated] on trait impl blocks.
Deny #[deprecated] on trait impl blocks.

They have no effect there, but were silently accepted.

graydon/rust,aidancully/rust,graydon/rust,graydon/rust,aidancully/rust,aidancully/rust,graydon/rust,graydon/rust,aidancully/rust,graydon/rust,aidancully/rust,aidancully/rust