Its also important to note that Rust changed radically in its early life. Here's one of its core authors describing some of the changes they went through (in part) as a result of dogfooding the language in its own compiler, in the context of BitC's failures:

https://news.ycombinator.com/item?id=3750882

The language it had evolved into by 2012 is also radically different from the language it became by 1.0 in 2015.

* https://github.com/graydon/rust-prehistory -> the code from before the rust-lang/rust repo

* https://youtube.com/watch?v=79PSagCD_AY -> a talk I gave around the 1.0 release (that recording is lost, this is the only other time I gave the talk so it could be recorded) giving my personal perspective on the history.

Oh heck, one more fun one: https://github.com/brson/archaea