Merge PR #3301

Author: ericseppanen

draft/2022-06-01-this-week-in-rust.md

@@ -44,6 +44,7 @@ and just ask the editors to select the category.
 * [Simple rust interview questions](https://flakm.github.io/posts/rust_interview_questions/)
 * [Profiling heap allocation in rust](https://flakm.github.io/posts/heap_allocation/)
 * [Arc and Mutex in Rust](https://itsallaboutthebit.com/arc-mutex)
+* [How I speeded up my Rust builds on GitHub ~30 times](https://ectobit.com/blog/speed-up-github-actions-rust-pipelines/)
 
 ### Research