"Notable Traits" for &[u8] includes Write, which is only on &mut [u8]

[scottmcm]

https://doc.rust-lang.org/nightly/std/string/struct.String.html#method.as_bytes

The popup has

Important traits for &'a [u8]

impl<'a> Read for &'a [u8]
impl<'a> Write for &'a mut [u8]

Write seems like it shouldn't be in that list.

[GuillaumeGomez]

cc @QuietMisdreavus

[scottmcm]

Triage: still repros on the current nightly.