Add temporary scope to assert_eq and assert_ne

[Voultapher]

This is a follow-up to #155431

[rustbot]

r? @joboet

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The reviewer was selected based on:

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[Voultapher]

r? @Amanieu

[Voultapher]

This constitutes a desired breaking library change as per #154406 (comment). Will need a crater run.

[Amanieu]

@bors try

[rust-bors]

☀️ Try build successful (CI)
Build commit: 3383500 (33835004928d3bf65db4d4712e1330766263b0bd, parent: ec6f9a5b4413f74386267ef8efc93712c2ce6db6)

[Amanieu]

@craterbot test

[craterbot]

🚨 Error: failed to parse the command

🆘 If you have any trouble with Crater please ask in t-infra on Zulip
ℹ️ Crater is a tool to run experiments across parts of the Rust ecosystem. Learn more

[Amanieu]

@craterbot run mode=check

[craterbot]

🚨 Error: failed to parse the command

🆘 If you have any trouble with Crater please ask in t-infra on Zulip
ℹ️ Crater is a tool to run experiments across parts of the Rust ecosystem. Learn more

[Kivooeo]

@craterbot check

[craterbot]

👌 Experiment pr-155739 created and queued.
🤖 Automatically detected try build 3383500
🔍 You can check out the queue and this experiment's details.

ℹ️ Crater is a tool to run experiments across parts of the Rust ecosystem. Learn more

[theemathas]

@Kivooeo This can impact run time behavior via drop order, so this needs a check-and-test

[Kivooeo]

To be perfectly honest, I had the same initial thought, but I trusted Amanieu and did what they have been trying to do before