Update cargo submodule

[weihanglo]

10 commits in 06ac0e7c05770a8c7bbf67bdd12fa1a1eefdc8ae..eb9b60f1f6604b5e022c56be31692c215b8ba11d
2026-04-21 15:33:56 +0000 to 2026-04-24 20:52:07 +0000

• chore: Remove unused deps (chore: Remove unused deps cargo#16938)
• feat(compile): Stabilize build.warnings (feat(compile): Stabilize build.warnings cargo#16796)
• cargo clean: do not error if explicitly specified target-dir does not exist (cargo clean: do not error if explicitly specified target-dir does not exist cargo#16934)
• Revert "feat(lints): Add unused deps ignore list" (Revert "feat(lints): Add unused deps ignore list" cargo#16937)
• fix(compile): Ignore unused deps if also transitive (fix(compile): Ignore unused deps if also transitive  cargo#16935)
• Update rustls (Update rustls cargo#16932)
• chore(deps): update rust crate openssl to v0.10.78 [security] (chore(deps): update rust crate openssl to v0.10.78 [security] cargo#16931)
• chore(build-rs): Ensure we lint the crate (chore(build-rs): Ensure we lint the crate cargo#16930)
• Fix flaky test: proc_macro_in_artifact_dep (Fix flaky test: proc_macro_in_artifact_dep cargo#16922)
• refactor(compile): Log all ignored unused externs (refactor(compile): Log all ignored unused externs cargo#16920)

r? ghost

[rustbot]

Some changes occurred in src/tools/cargo

cc @ehuss

[rustbot]

⚠️ Warning ⚠️

• Some commits in this PR modify submodules.

  If this was not intentional, see I changed a submodule on accident in the rustc dev guide.

[weihanglo]

@bors r+ rollup=never p=1

[rust-bors]

📌 Commit d439d07 has been approved by weihanglo

It is now in the queue for this repository.