Make the empty rustc-wrapper test more explicit. #10899
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Update cargo 5 commits in d8d30a75376f78bb0fabe3d28ee9d87aa8035309..85b500ccad8cd0b63995fd94a03ddd4b83f7905b 2022-07-19 13:59:17 +0000 to 2022-07-24 21:10:46 +0000 - Make the empty rustc-wrapper test more explicit. (rust-lang/cargo#10899) - expand RUSTC_WRAPPER docs (rust-lang/cargo#10896) - Stabilize Workspace Inheritance (rust-lang/cargo#10859) - Fix typo in unstable docs: s/PROGJCT/PROJECT/ (rust-lang/cargo#10890) - refactor(source): Open query API for adding more types of queries (rust-lang/cargo#10883)
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This changes the test for an empty RUSTC_WRAPPER environment variable to make it explicit that it doesn't just ignore the environment variable, but that it also essentially unsets any config-loaded value. It's not clear if this implication was known at the time it was added in #5985, but I don't think we can change it, and it can be useful.