#376 - Add Throughput support for rust-criterion adapter

[Lol3rrr]

[Lol3rrr]

I just started some work on this, but am honestly not entirely sure how this all fits together and where I need to add my stuff exactly. So I now first started implementing the parser for throughput numbers, but would love some pointers and guidance for this project specifically

[epompeii]

I would suggest following the example laid out here: https://github.com/bencherdev/bencher/pull/319