You need to update to xcb 1.0.

and

Oh, I see what's going on - git = is ignored when publishing, you can't publish a crate with a git dependency so cargo falls back to the version from crates.io.

from https://github.com/rust-lang/docs.rs/issues/1744

To Do

Add temporary deleted the docs badge, see https://github.com/xliiv/fui/pull/134

Potential solution

1. migrate https://github.com/aweinstock314/rust-clipboard to one of its forks, like https://github.com/alacritty/copypasta/
   • [x] needs https://github.com/alacritty/copypasta/pull/41