Huge jump in rustup download size on July 8

Does anyone know why the combined size of the rustc+rust-std components jumped by about 100MB on the 2019-07-08 nightly?

2019-07-07: rustc 86.3M, rust-std 62.1M
2019-07-08: rustc 65.6M, rust-std 171.0M

I'm not concerned that much about download sizes, but such a big change usually indicates a failure in the build process, such as intermediate artifacts getting included.

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I believe it's due to, which changed a load of the internal rustc libraries from dylibs to rlibs. There's some reasoning for it in this comment by Alex Crichton.


Ah, and it's already tracked in Thanks!


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