What are compile flags that will speedup compile time in debug build?

The blog post explores various compile flags that can significantly reduce compile time for Rust projects, focusing on the use of cranelift, a faster back-end for Rust compilation. The author shares personal findings, showing a dramatic decrease in compile time from 1 minute to 19 seconds for a medium-sized debug build. The post seeks additional flags from the community that could further improve compilation speed, making it an interactive and informative read for Rust developers.