1 error: diagnostic slug and crate name do not match
2 --> $DIR/enforce_slug_naming.rs:22:8
4 LL | #[diag(compiletest_example, code = "E0123")]
7 = note: slug is `compiletest_example` but the crate name is `rustc_dummy`
8 = help: expected a slug starting with `dummy_...`
10 error: aborting due to previous error