So, serde seems to be downloading and running a binary on the system without informing the user and without any user consent. Does anyone have any background information on why this is, and how this is supposed to be a good idea?

dtolnay seems like a smart guy, so I assume there is a reason for this, but it doesn't feel ok at all.

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[–] [email protected] 17 points 1 year ago

It seems it was done to marginally improve serde_derive build times? And just on x86_64-unknown-linux-gnu?

Indeed. If you use nix instead of compiling in 8 seconds it fails to compile almost instantly.