7dc36eeb78
Build proc-macro-test-impl out-of-tree Building it in-place fails in rust CI because the source directory is read-only. This changes `proc-macro-test`'s build script to first copy `imp` under `OUT_DIR` (which is read-write). It also prints stdout/stderr for the nested cargo invocation, should it fail. (I've seen failures in rust CI that I couldn't explain, and when they take 25 minutes to reproduce, you want to have that info) This change is tracked in: * https://github.com/rust-lang/rust-analyzer/issues/12818 Maintainer impact: none.
rust-analyzer is a modular compiler frontend for the Rust language. It is a part of a larger rls-2.0 effort to create excellent IDE support for Rust.
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