I am sure I am using Fedora Server 28 (not rawhide).
I installed a same version (Fedora Server 28 x64, with the default software
selection) on VirtualBox just now, updated all dependencies (sudo dnf
update), and then installed Wireguard. Same problem occurred.

On Fri, Aug 10, 2018 at 10:17 AM Jason A. Donenfeld <Jason@zx2c4.com> wrote:

> That's pretty strange. Are you using rawhide or something where maybe
> they've temporarily broken the devel packages?
>