Have you ever tried to compile a helloworld Rust program in --release mode? If yes, have you seen its binary size? Suffice to say, it’s not exactly small. Or at least it wasn’t small until recently. This post details how I found about the issue and my attempt to fix it in Cargo. Binary size analysis I’m a member of the (relatively recently established) #wg-binary-size working group, which is trying to find opportunities to reduce the binary size footprint of Rust programs and libraries. Since I ...