USES=cargo breaks with crates like "utf-8-0.7.4", thinking the package name is "utf" instead of "utf-8".
Created attachment 195948 [details]
Try with this patch applied.
For reference, here's the port I'm making, complete with ugly workaround: https://github.com/Freaky/ports/tree/master/www/gutenberg
With your patch I can revert the workaround, and still fetch and build. Also tested fine with textproc/ripgrep and sysutils/fd.
A commit references this bug:
Date: Tue Aug 7 19:55:32 UTC 2018
New revision: 476623
Mk/Uses/cargo.mk: Fix crate name and version split (take 2)
cargo.mk is still too eager in splitting a crate's name and version
in two when the name contains a dash followed by a number. For
example with utf-8-0.7.4 the wrong URL ends up being used in
Reported by: Thomas Hurst <firstname.lastname@example.org>
(In reply to Thomas Hurst from comment #2)
The patch doesn't seem to break existing ports, so committed the fix.
Thanks for the report!