182 lines
70 KiB
Plaintext
182 lines
70 KiB
Plaintext
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rust
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= #rustc 1.96.0 (ac68faa20 2026-05-25)ÁÀ뉊 ]!ÜÛê(¹Þ—šên -5be7b69c3ff7b5b8Á íàÄTËŸ ÜJîÄ)'ß\¥! -3d1337db07d0b3aeÁ ¤²XctÔ'ÐÓ©z¨É½Ó -a4945860e1c53b00Á ¤°ð ¾ä-±($²ï=©Ã -7e98a21bfd32b0edÁ–�òÖÀH•‘P IÓHã#£ -055f30b747f859b6Á rustc_std_workspace_coreÁCçß^ò½èÝ$Çÿ+Cé -c4878ee60b2242c9Á ŸÃï+Ñ]ŠqB<ÏïW# -8dd1dd90e70d0b6aÁ miniz_oxideÁ€š»J(P>àö÷g\K -1eb618da2918ab7fÁ adler2ÁÆ;+Þ®5¥ÌýÝ°¦ÛLˆ -f7919172d268e069Á hashbrownÁPäV9ÒÆèÜ�"ÊÖVŽ\ -0fc2184a5da6723aÁ rustc_std_workspace_allocÁs&ØòØy¯s•bæ!‰ýŠ -97e4bf30be240674Á
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std_detectÁhŠBîÙºÌI®Ë�Å�š -9dbbf8346ba7ac8bÁ rustc_demangleÁûë9´Ç×@Œ�’ùXFº -f33013f239bf9f14Á cfg_ifÁÜLh�ž§Œaã¯>� -0a71c8f33a838301Á addr2lineÁ׎Þ!]8V$É@@T· -e618e6be60e87ba2Á gimliÁ¸
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°µ~Î1‹Ñt ðÁ€w -1f7768a68858f670Á objectÁ
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áPÃ?À¶¼QHJ¥� -914cd6a4dbe590d1Á memchrÁ›º«8Ór2Ù $¨ûib‚ -cf21ca6f2bb15dcdÁë
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‹ás «LÖ€îâƒ×ɯŒ -ee6f3747e38367f0Á once_cellÁ¢ºWšä\S~ ò5Î0¤¹ -012a7aaa45f49f1fÁ tracing_coreÁ�ƒZ¦øsÞÝŸädY4` -f43ff70b0c5d0314Á logÁ9:¢¡Áªú:�¦# %%% -5bc5b815000aa8c8Á try_cache_interestÁ”£* » interest-cacheÁÔÌ) interest_cacheÁtö+»öÔ«+ InterestCacheConfigÁœé-»öÔ‘, ‚$½’‚ $²’ À
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log_tracerÁ builderÁ æ init_with_filterÁ initÁ > Ø " impl FnOnce() -> boolÁ $ enabledÁ % & $« $ flushÁ *æ * with_max_levelÁ , impl Into<log::LevelFilter>Á * ignore_crateÁ . impl Into<String>Á *
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ignore_allÁ 0š 0 impl IntoIterator<Item = I>Á *� 4> format_traceÁ dispatch_recordÁ 9 : : : AsLogÁ > LogÁ > as_logÁ AsTraceÁ A TraceÁ A as_traceÁ D 'aÁ FË F‡ F‘ JË LË L¬ L¸ FieldsÁ Pú Pê P¸ PÌ Pš FIELD_NAMESÁ Wæ log_csÁ TRACE_FIELDSÁ Z DEBUG_FIELDSÁ \ INFO_FIELDSÁ ^ WARN_FIELDSÁ ` ERROR_FIELDSÁ b level_to_csÁ loglevel_to_csÁ fË hË h¬ h¸ m‡ m‘
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y‡ y‘ NormalizeEventÁ |Ë | normalized_metadataÁ | is_logÁ €Ë ‚Ë ‚› „ ‚µ
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record_strÁ sealedÁ – SealedÁ LogTracerÁ ˜
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INFO_CSÁ INFO_METAÁ ³É ³Ý WarnCallsiteÁ ¶
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subscriberÁTþ( µ û",Š) × “D‘) ú ªL‡+ ˜ 6« ›+ 7ü ê› ü N K Adapters for connecting unstructured log records from the `log` crate intoÁ äO the `tracing` ecosystem.Á lú tp # OverviewÁ ú üƒR O [`tracing`] is a framework for instrumenting Rust programs with context-aware,Á üÖG D structured, event-based diagnostic information. This crate providesÁ üžR O compatibility layers for using `tracing` alongside the logging facade providedÁ Ìñ by the [`log`] crate.Á ‹ú Ä� This crate provides:Á ¨ú ü¬X U - [`AsTrace`] and [`AsLog`] traits for converting between `tracing` and `log` types.Á ü…Q N - [`LogTracer`], a [`log::Log`] implementation that consumes [`log::Record`]sÁ ü×- * and outputs them as [`tracing::Event`].Á …ú ü‰6 3 *Compiler support: [requires `rustc` 1.56+][msrv]*Á Àú üÄ$ ! [msrv]: #supported-rust-versionsÁ éú \í # UsageÁ ùú üý. + ## Convert log records to tracing `Event`sÁ ¬ú ü°V S To convert [`log::Record`]s as [`tracing::Event`]s, set `LogTracer` as the defaultÁ ü‡C @ logger by calling its [`init`] or [`init_with_filter`] methods.Á Ëú \Ï ```rustÁ äÛ # use std::error::Error;Á üø use tracing_log::LogTracer;Á d˜ use log;Á ¥ú ü©+ ( # fn main() -> Result<(), Box<Error>> {Á ¼Õ LogTracer::init()?;Á íú üñ; 8 // will be available for Subscribers as a tracing EventÁ ü ( % log::trace!("an example trace log");Á dÖ # Ok(())Á <ã # }Á <ë ```Á ó ú ü÷ N K This conversion does not convert unstructured data in log records (such asÁ üÆ
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H E values passed as format arguments to the `log!` macro) to structuredÁ ü� J G `tracing` fields. However, it *does* attach these new events to to theÁ üÚ M J span that was currently executing when the record was logged. This is theÁ ü¨ K H primary use-case for this library: making it possible to locate the logÁ üô K H records emitted by dependencies which use `log` within the context of aÁ TÀ
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' $ ## Convert tracing `Event`s to logsÁ ÷
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O L Enabling the ["log" and "log-always" feature flags][flags] on the `tracing`Á üËM J crate will cause all `tracing` spans and events to emit `log::Record`s asÁ |™ they occur.Á ©ú ü' $ ## Caution: Mixing both conversionsÁ Õú üÙT Q Note that `log::Logger` implementations that convert log records to trace eventsÁ ü®O L should not be used with `Subscriber`s that convert trace events _back_ intoÁ üþX U `log` records, as doing so will result in the event recursing between the subscriberÁ ü×S P and the logger forever (or, in real life, probably overflowing the call stack).Á «ú ü¯M J If the logging of trace events generated from log records produced by theÁ üýH E `log` crate is desired, either the `log` crate should not be used toÁ üÆG D implement this logging, or an additional layer of filtering will beÁ üŽN K required to avoid infinitely converting between `Event` and `log::Record`.Á Ýú ¤á ## Feature FlagsÁ öú üúT Q * `std`: enables features that require the Rust standard library (on by default)Á üÏ@ = * `log-tracer`: enables the `LogTracer` type (on by default)Á ü�L I * `interest-cache`: makes it possible to configure an interest cache forÁ üÝa ^ logs emitted through the `log` crate (see [`Builder::with_interest_cache`]); requires `std`Á ¿ú ôà ## Supported Rust VersionsÁ âú üæM J Tracing is built against the latest stable release. The minimum supportedÁ ü´N K version is 1.56. The current Tracing version is not guaranteed to build onÁ üƒ= : Rust versions earlier than the minimum supported version.Á Áú üÅO L Tracing follows the same compiler support policies as the rest of the TokioÁ ü•M J project. The current stable Rust compiler and the three most recent minorÁ üãL I versions before it will always be supported. For example, if the currentÁ ü°N K stable compiler version is 1.69, the minimum supported version will not beÁ üÿK H increased past 1.66, three minor versions prior. Increasing the minimumÁ üË L I supported compiler version is not considered a semver breaking change asÁ ü˜ / , long as doing so complies with this policy.Á È ú ìÌ [`init`]: LogTracer::initÁ üê 5 2 [`init_with_filter`]: LogTracer::init_with_filterÁ ü 1 . [`tracing`]: https://crates.io/crates/tracingÁ üÒ Y V [`tracing::Subscriber`]: https://docs.rs/tracing/latest/tracing/trait.Subscriber.htmlÁ ü¬ P M [`Subscriber`]: https://docs.rs/tracing/latest/tracing/trait.Subscriber.htmlÁ üý P M [`tracing::Event`]: https://docs.rs/tracing/latest/tracing/struct.Event.htmlÁ üÎ H E [flags]: https://docs.rs/tracing/latest/tracing/#crate-feature-flagsÁ ü—!N K [`Builder::with_interest_cache`]: log_tracer::Builder::with_interest_cacheÁ Nhttps://raw.githubusercontent.com/tokio-rs/tracing/master/assets/logo-type.pngÁlò! +https://github.com/tokio-rs/tracing/issues/Á´Ø" 89>APVZ\^`bde|‡–¡¢£¤¨©ª«¯°±²¶·¸¹½¾¿ÀÀƒ Ê€ Ù × ¤, ô| ¦ „d{ ›€s '
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¶ag ß ÷€b ° ��Q ³�M ø Û L ‚ Ý�B µ û"A × “@ ú ª? ˜ 6«> 7ÁÄǬ´'º Ð'®±Ÿ¢då'äå'šDù'‡Šqtüå'Ij,©(^aLO.1üå'„#&ÿòõåè”ô) ü F C An adapter for converting [`log`] records into `tracing` `Event`s.Á G ú üKP M This module provides the [`LogTracer`] type which implements `log`'s [loggerÁ üœS P interface] by recording log records as `tracing` `Event`s. This is intended forÁ üðK H use in conjunction with a `tracing` `Subscriber` to consume events fromÁ ü¼B ? dependencies that emit [`log`] records within a trace context.Á ÿ ú \ƒ በ� ú ü“P M To create and initialize a `LogTracer` with the default configurations, use:Á ä ú üèH E * [`init`] if you want to convert all logs, regardless of log level,Á ü±@ = allowing the tracing `Subscriber` to perform any filteringÁ üòJ G * [`init_with_filter`] to convert all logs up to a specified log levelÁ ½ ú üÁG D In addition, a [builder] is available for cases where more advancedÁ ü‰P M configuration is required. In particular, the builder can be used to [ignoreÁ üÚN K log records][ignore] emitted by particular crates. This is useful in casesÁ ü©N K such as when a crate emits both `tracing` diagnostics _and_ log records byÁ dø default.Á … ú ü‰ [logger interface]: log::LogÁ üª( % [`init`]: LogTracer.html#method.initÁ üÓ@ = [`init_with_filter`]: LogTracer.html#method.init_with_filterÁ ü” # [builder]: LogTracer::builder()Á ü¸ % " [ignore]: Builder::ignore_crate()Á »
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