Auto merge of #126484 - Oneirical:test-in-peace, r=jieyouxu,kobzol

Migrate `std-core-cycle`, `obey-crate-type-flag`, `mixing-libs` and `issue-18943` `run-make` tests to `rmake.rs`

Part of #121876 and the associated [Google Summer of Code project](https://blog.rust-lang.org/2024/05/01/gsoc-2024-selected-projects.html).

try-job: x86_64-apple-1
try-job: x86_64-msvc
try-job: aarch64-gnu

Author: bors