(auto merged) chore(deps): bump tracing from 0.1.37 to 0.1.38

[dependabot]

Bumps tracing from 0.1.37 to 0.1.38.

Release notes

Sourced from tracing's releases.

tracing 0.1.38

This tracing release changes the Drop implementation for Instrumented Futures so that the attached Span is entered when dropping the Future. This means that events emitted by the Future's Drop implementation will now be recorded within its Span. It also adds #[inline] hints to methods called in the event! macro's expansion, for an improvement in both binary size and performance.

Additionally, this release updates the tracing-attributes dependency to v0.1.24, which updates the syn dependency to v2.x.x. tracing-attributes v0.1.24 also includes improvements to the #[instrument] macro; see the tracing-attributes 0.1.24 release notes for details.

Added

• Instrumented futures will now enter the attached Span in their Drop implementation, allowing events emitted when dropping the future to occur within the span (#2562)
• #[inline] attributes for methods called by the event! macros, making generated code smaller (#2555)
• attributes: level argument to #[instrument(err)] and #[instrument(ret)] to override the level of the generated return value event (#2335)
• attributes: Improved compiler error message when #[instrument] is added to a const fn (#2418)

Changed

• tracing-attributes: updated to 0.1.24
• Removed unneeded cfg-if dependency (#2553)
• attributes: Updated syn dependency to 2.0 (#2516)

Fixed

• attributes: Fix clippy::unreachable warnings in #[instrument]-generated code (#2356)
• attributes: Removed unused "visit" feature flag from syn dependency (#2530)

Documented

• attributes: Documented default level for #[instrument(err)] (#2433)
• attributes: Improved documentation for levels in #[instrument] (#2350)

Thanks to @​nitnelave, @​jsgf, @​Abhicodes-crypto, @​LukeMathWalker, @​andrewpollack, @​quad, @​klensy, @​davidpdrsn, @​dbidwell94, @​ldm0, @​NobodyXu, @​ilsv, and @​daxpedda for contributing to this release!

Commits

• 3de7f8c tracing: prepare to release v0.1.38 (#2575)
• e35265a attributes: prepare to release v0.1.24 (#2574)
• 0114ec1 subscriber: prepare to release v0.3.17 (#2571)
• 53989b4 chore: fix rustfmt
• 2235570 subscriber: add "unicode-case" and "unicode-perl" features to regex depende...
• b9becf9 attributes: update UI tests with the latest stable version of Rust (#2568)
• 3a65354 tracing, tracing-futures: instrument Future inside Drop (#2562)
• 29d85b1 mock: move layer mock from tracing-subscriber tests (#2369)
• 049ad73 subscriber: add ability to disable ANSI without crate feature (#2532)
• a066c36 attributes: update to syn 2.0 (#2516)
• Additional commits viewable in compare view

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