///
/// ```error
/// error[E0207]: the type parameter `T` is not constrained by the impl trait, self type, or predica
-/// --> src/alloc/slice.rs:608:6
+/// --> library/alloc/src/slice.rs:608:6
/// |
/// 608 | impl<T: Clone, V: Borrow<[T]>> Concat for [V] {
/// | ^ unconstrained type parameter
//! called. The `lang` attribute is called `eh_personality`.
// Since core defines many fundamental lang items, all tests live in a
-// separate crate, libcoretest, to avoid bizarre issues.
+// separate crate, libcoretest (library/core/tests), to avoid bizarre issues.
//
// Here we explicitly #[cfg]-out this whole crate when testing. If we don't do
// this, both the generated test artifact and the linked libtest (which