Test pipes also when not running on Windows and Linux simultaneously

[tbu-]

Fixes #135635 (review).

Based on top of #135635 to avoid merge conflicts.

[rustbot]

r? @joboet

rustbot has assigned @joboet.
They will have a look at your PR within the next two weeks and either review your PR or reassign to another reviewer.

Use r? to explicitly pick a reviewer

[tbu-]

Commit unique to this PR: 93d347d.

[joboet]

Yeah, that configuration is ... interesting.

@bors r+ rollup

[bors]

📌 Commit 93d347d has been approved by joboet

It is now in the queue for this repository.

[klensy]

Wait, pr not rebased after #135635 merge

[joboet]

That is not an issue, git merge takes care of that since the relevant commits are the same.

[klensy]

Git commit log will be linear, without duped ones? Didn't tried that, assumed that this will be almost like a merge commit ¯_(ツ)_/¯

[tbu-]

Rust's commit log isn't linear, because it uses merge commits heavily (unrelated to this PR). The git commit log will only contain the commits once (that's what git merge is for).