I tried this code on the stable channel:

pub fn f() -> bool {
    true
}

I expected to see this happen: Rustdoc links bool to https://doc.rust-lang.org/std/primitive.bool.html

Instead, this happened: Rustdoc links bool to https://doc.rust-lang.org/nightly/std/primitive.bool.html

This also affects intra-doc links.

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rustdoc --version: rustdoc 1.47.0 (18bf6b4f0 2020-10-07)