Looks like incremental compilation hit beta in Feb: https://internals.rust-lang.org/t/incremental-compilation-beta/4721 https://internals.rust-lang.org/t/increm

Looks like incremental compilation hit beta in Feb: https://internals.rust-lang.org/t/incremental-compilation-beta/4721 https://internals.rust-lang.org/t/incremental-compilation-be... For me it's just fine that cargo doesn't support every odd use case of of the box in exchange for supporting the majority of use cases with virtually no effort. CMake hardly supports anything without a bunch of scripting--this includes reproducible builds, unit testing, etc.