rust-lang / rust-lang/rust

Investigate if `download-rustc` `rustc-dev` sysroot copy quirk is still a thing

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#156,525 0 comments 0 reactions 1 assignee View on GitHub

@jieyouxu is already working on this.

Since May 22, 2026.

A-download-rustc C-cleanup E-needs-investigation T-bootstrap
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Rust
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Description

See #t-infra/bootstrap > x run rustfmt works but x test rustfmt fails to compile.

https://github.com/rust-lang/rust/blob/c8c4c83d57d3b4cf72a7306cd77bb8b5c0f03434/src/bootstrap/src/core/build_steps/compile.rs#L2001-L2011

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