rust-lang / rust-lang/rust-clippy

Clippy does not work with sccache set via RUSTC_WRAPPER

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#3,840 3 comments 9 reactions 0 assignees View on GitHub

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Dominant language
Rust
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Description

We are using sccache on Travis to minimize our build times. That works well for cargo build and cargo test.

However, it seems like cargo clippy is ignoring the set RUSTC_WRAPPER because it setting one by itself.

Contributor guide

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First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by reproducing the issue with sccache configured through RUSTC_WRAPPER, comparing cargo clippy with cargo build and cargo test. Trace how cargo clippy handles the wrapper setting; done means clippy honors the configured wrapper without breaking the existing build and test behavior.

Written by the indexing model from the issue text.

Assessment

Tech stack
rust
Domain
tooling
Issue type
Bug
Difficulty
3/5
Estimated time
1-2 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
35/100

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