Update Rust crate criterion to 0.8

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
criterion (source)	dev-dependencies	minor	0.5 → 0.8

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Release Notes

criterion-rs/criterion.rs (criterion)

v0.8.2

Compare Source

Fixed

• don't build alloca on unsupported targets

Other

• (deps) bump crate-ci/typos from 1.40.0 to 1.43.0
• Fix panic with uniform iteration durations in benchmarks
• Update Readme
• Exclude development scripts from published package

v0.8.1

Compare Source

Fixed

• Homepage link

Other

• (deps) bump crate-ci/typos from 1.23.5 to 1.40.0
• (deps) bump jontze/action-mdbook from 3 to 4
• (deps) bump actions/checkout from 4 to 6

v0.8.0

Compare Source

BREAKING

• Drop async-std support

Changed

• Bump MSRV to 1.86, stable to 1.91.1

Added

• Add ability to plot throughput on summary page.
• Add support for reporting throughput in elements and bytes - Throughput::ElementsAndBytes allows the text summary to report throughput in both units simultaneously.
• Add alloca-based memory layout randomisation to mitigate memory effects on measurements.
• Add doc comment to benchmark runner in criterion_group macro (removes linter warnings)

Fixed

• Fix plotting NaN bug

Other

• Remove Master API Docs links temporarily while we restore the docs publishing.

v0.7.0

Compare Source

• Bump version of criterion-plot to align dependencies.

v0.6.0

Compare Source

Changed

• MSRV bumped to 1.80
• The real_blackbox feature no longer has any impact. Criterion always uses std::hint::black_box() now.
  Users of criterion::black_box() should switch to std::hint::black_box().
• clap dependency unpinned.

Fixed

• gnuplot version is now correctly detected when using certain Windows binaries/configurations that used to fail

Added

• Async benchmarking with Tokio may be done via a tokio::runtime::Handle, not only a tokio::runtime::Runtime

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Code Review Summary

Status: No Issues Found | Recommendation: Merge

Files Reviewed (8 files)

• crates/gossip-connectors/Cargo.toml
• crates/gossip-contracts/Cargo.toml
• crates/gossip-coordination/Cargo.toml
• crates/gossip-stdx/Cargo.toml
• crates/scanner-engine/Cargo.toml
• crates/scanner-git/Cargo.toml
• crates/scanner-scheduler/Cargo.toml
• Cargo.lock

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_{Reviewed by gpt-5.5-2026-04-23 · 476,924 tokens}