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Derives PartialEq and Eq on TracerMetadata, enabling equality comparisons between instances using == and !=.
Motivation
Adding these standard library traits enables equality assertions without requiring callers to implement their own field by field comparison. Needed for DataDog/serverless-components#51 (comment)
This report tracks Clippy allow annotations for specific rules, showing how they've changed in this PR. Decreasing the number of these annotations generally improves code quality.
⚠️1 issue(s) found, showing only errors (advisories, bans, sources)
📦 libdd-library-config - 1 error(s)
Show output
error[unsound]: Rand is unsound with a custom logger using `rand::rng()`
┌─ /home/runner/work/libdatadog/libdatadog/Cargo.lock:47:1
│
47 │ rand 0.8.5 registry+https://github.com/rust-lang/crates.io-index
│ ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ unsound advisory detected
│
├ ID: RUSTSEC-2026-0097
├ Advisory: https://rustsec.org/advisories/RUSTSEC-2026-0097
├ It has been reported (by @lopopolo) that the `rand` library is [unsound](https://rust-lang.github.io/unsafe-code-guidelines/glossary.html#soundness-of-code--of-a-library) (i.e. that safe code using the public API can cause Undefined Behaviour) when all the following conditions are met:
- The `log` and `thread_rng` features are enabled
- A [custom logger](https://docs.rs/log/latest/log/#implementing-a-logger) is defined
- The custom logger accesses `rand::rng()` (previously `rand::thread_rng()`) and calls any `TryRng` (previously `RngCore`) methods on `ThreadRng`
- The `ThreadRng` (attempts to) reseed while called from the custom logger (this happens every 64 kB of generated data)
- Trace-level logging is enabled or warn-level logging is enabled and the random source (the `getrandom` crate) is unable to provide a new seed
`TryRng` (previously `RngCore`) methods for `ThreadRng` use `unsafe` code to cast `*mut BlockRng<ReseedingCore>` to `&mut BlockRng<ReseedingCore>`. When all the above conditions are met this results in an aliased mutable reference, violating the Stacked Borrows rules. Miri is able to detect this violation in sample code. Since construction of [aliased mutable references is Undefined Behaviour](https://doc.rust-lang.org/stable/nomicon/references.html), the behaviour of optimized builds is hard to predict.
├ Announcement: https://github.com/rust-random/rand/pull/1763
├ Solution: Upgrade to >=0.10.1 OR <0.10.0, >=0.9.3 OR <0.9.0, >=0.8.6 (try `cargo update -p rand`)
├ rand v0.8.5
└── libdd-library-config v1.1.0
advisories FAILED, bans ok, sources ok
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What does this PR do?
Derives PartialEq and Eq on TracerMetadata, enabling equality comparisons between instances using
==and!=.Motivation
Adding these standard library traits enables equality assertions without requiring callers to implement their own field by field comparison. Needed for DataDog/serverless-components#51 (comment)
Additional Notes
How to test the change?
Unit tests