K 10
svn:author
V 7
asomers
K 8
svn:date
V 27
2020-05-18T18:40:41.652321Z
K 7
svn:log
V 414
lang/rust-nightly: enable the Rust profiler

Enable the rust profiler on rust-nightly (as an unstable feature, it's not
allowed on the stable toolchain). This allows it to generate code coverage
reports.

https://doc.rust-lang.org/unstable-book/compiler-flags/profile.html
https://crates.io/crates/grcov

Reviewed by:	tobik
Approved by:	tobik (maintainer)
Differential Revision:	https://reviews.freebsd.org/D24765

END