Rust: run sysroot discovery once

[redsun82]

This shows a marginal performance gain (~2% average on DCA).

Copilot reviewed 2 out of 2 changed files in this pull request and generated no comments.

Comments suppressed due to low confidence (2)

rust/extractor/src/main.rs:165

• Ensure that the new cwd function and the modified to_cargo_config function are covered by tests.

fn cwd() -> anyhow::Result<AbsPathBuf> {

rust/extractor/src/config.rs:89

• The new behavior introduced by the sysroot and sysroot_src variables in the to_cargo_config function is not covered by tests. Please add tests to ensure this behavior is properly tested.

pub fn to_cargo_config(&self, dir: &AbsPath) -> CargoConfig {

Tip: Copilot code review supports C#, Go, Java, JavaScript, Markdown, Python, Ruby and TypeScript, with more languages coming soon. Learn more