As steveklabnik (see [1]) stated, there are 3 things missing: dynamic linking, link-time-optimization and the possibility to not link to the standard library.

As steveklabnik (see [1]) stated, there are 3 things missing: dynamic linking, link-time-optimization and the possibility to not link to the standard library. Each of these techniques will be able to reduce the size of Rust binaries. [1] https://news.ycombinator.com/item?id=9553366 https://news.ycombinator.com/item?id=9553366