The rust feature `no_coverage` has been replaced by one called
`coverage_attribute` (and respective `#[no_coverage]` declarations
must now be annotated as `#[coverage(off)]`. Because of this, the
build of `kord` fails on current versions of the Rust compiler.
Upstream has already resolved these issues [1], but there haven't
been any new releases since these fixes have been committed to
trunk. This change pulls the respective patch in using `fetchpatch`
for now -- this patch should be removable with the next release.
[1]: fa9bb979b1