tracing: prepare to release 0.1.18

Fixed

- Fixed a bug where `LevelFilter::OFF` (and thus also the
  `static_max_level_off`  feature flag) would enable *all* traces,
  rather than *none* (#853)
- **log**: Fixed `tracing` macros and `Span`s not checking
  `log::max_level` before emitting `log` records (#870)

Changed

- **macros**: Macros now check the global max level
  (`LevelFilter::current`) before the per-callsite cache when
  determining if a span or event is enabled. This significantly improves
  performance in some use cases (#853)
- **macros**: Simplified the code generated by macro expansion
  significantly, which may improve compile times and/or `rustc`
  optimizatation of surrounding code (#869, #869)
- **macros**: Macros now check the static max level before checking any
  runtime filtering, improving performance when a span or event is
  disabled by a `static_max_level_XXX` feature flag (#868)
- `LevelFilter` is now a re-export of the `tracing_core::LevelFilter`
  type, it can now be used interchangably with the versions in
  `tracing-core` and `tracing-subscriber` (#853)
- Significant performance improvements when comparing `LevelFilter`s and
  `Level`s (#853)
- Updated the minimum `tracing-core` dependency to 0.1.12 (#853)

Added

- **macros**: Quoted string literals may now be used as field names, to
  allow fields whose names are not valid Rust identifiers (#790)
- **docs**: Several documentation improvements (#850, #857, #841)
- `LevelFilter::current()` function, which returns the highest level
  that any subscriber will enable (#853)
- `Subscriber::max_level_hint` optional trait method, for setting the
  value returned by `LevelFilter::current()` (#853)

Thanks to new contributors @cuviper, @ethanboxx, @ben0x539, @dignati,
@colelawrence, and @rbtcollins for helping out with this release!

Signed-off-by: Eliza Weisman <[email protected]>

Author: hawkw

tracing-subscriber/src/util.rs

@@ -14,8 +14,8 @@ use tracing_core::dispatcher::{self, Dispatch};
 /// `Subscriber`, may implement `Into<Dispatch>`, and will also receive an
 /// implementation of this trait.
 ///
-/// [default subscriber]: https://docs.rs/tracing/0.1.17/tracing/dispatcher/index.html#setting-the-default-subscriber
-/// [trace dispatcher]: https://docs.rs/tracing/0.1.17/tracing/dispatcher/index.html
+/// [default subscriber]: https://docs.rs/tracing/0.1.18/tracing/dispatcher/index.html#setting-the-default-subscriber
+/// [trace dispatcher]: https://docs.rs/tracing/0.1.18/tracing/dispatcher/index.html
 pub trait SubscriberInitExt
 where
     Self: Into<Dispatch>,
@@ -27,7 +27,7 @@ where
     /// a [`log`] compatibility layer. This allows the subscriber to consume
     /// `log::Record`s as though they were `tracing` `Event`s.
     ///
-    /// [default subscriber]: https://docs.rs/tracing/0.1.17/tracing/dispatcher/index.html#setting-the-default-subscriber
+    /// [default subscriber]: https://docs.rs/tracing/0.1.18/tracing/dispatcher/index.html#setting-the-default-subscriber
     /// [`log`]: https://crates.io/log
     fn set_default(self) -> dispatcher::DefaultGuard {
         #[cfg(feature = "tracing-log")]
@@ -47,7 +47,7 @@ where
     /// been set, or if a `log` logger has already been set (when the
     /// "tracing-log" feature is enabled).
     ///
-    /// [global default subscriber]: https://docs.rs/tracing/0.1.17/tracing/dispatcher/index.html#setting-the-default-subscriber
+    /// [global default subscriber]: https://docs.rs/tracing/0.1.18/tracing/dispatcher/index.html#setting-the-default-subscriber
     /// [`log`]: https://crates.io/log
     fn try_init(self) -> Result<(), TryInitError> {
         #[cfg(feature = "tracing-log")]
@@ -69,7 +69,7 @@ where
     /// or if a `log` logger has already been set (when the "tracing-log"
     /// feature is enabled).
     ///
-    /// [global default subscriber]: https://docs.rs/tracing/0.1.17/tracing/dispatcher/index.html#setting-the-default-subscriber
+    /// [global default subscriber]: https://docs.rs/tracing/0.1.18/tracing/dispatcher/index.html#setting-the-default-subscriber
     /// [`log`]: https://crates.io/log
     fn init(self) {
         self.try_init()

tracing/CHANGELOG.md

@@ -1,9 +1,42 @@
-# 0.1.18 (UNRELEASED)
+# 0.1.18 (July 31, 2020)
 
 ### Fixed
 
 - Fixed a bug where `LevelFilter::OFF` (and thus also the `static_max_level_off`
   feature flag) would enable *all* traces, rather than *none* (#853)
+- **log**: Fixed `tracing` macros and `Span`s not checking `log::max_level`
+  before emitting `log` records (#870)
+  
+### Changed
+
+- **macros**: Macros now check the global max level (`LevelFilter::current`)
+  before the per-callsite cache when determining if a span or event is enabled.
+  This significantly improves performance in some use cases (#853)
+- **macros**: Simplified the code generated by macro expansion significantly,
+  which may improve compile times and/or `rustc` optimizatation of surrounding
+  code (#869, #869)
+- **macros**: Macros now check the static max level before checking any runtime
+  filtering, improving performance when a span or event is disabled by a
+  `static_max_level_XXX` feature flag (#868) 
+- `LevelFilter` is now a re-export of the `tracing_core::LevelFilter` type, it
+  can now be used interchangably with the versions in `tracing-core` and
+  `tracing-subscriber` (#853)
+- Significant performance improvements when comparing `LevelFilter`s and
+  `Level`s (#853)
+- Updated the minimum `tracing-core` dependency to 0.1.12 (#853)
+
+### Added
+
+- **macros**: Quoted string literals may now be used as field names, to allow
+  fields whose names are not valid Rust identifiers (#790)
+- **docs**: Several documentation improvements (#850, #857, #841)
+- `LevelFilter::current()` function, which returns the highest level that any
+  subscriber will enable (#853)
+- `Subscriber::max_level_hint` optional trait method, for setting the value
+  returned by `LevelFilter::current()` (#853)
+  
+Thanks to new contributors @cuviper, @ethanboxx, @ben0x539, @dignati,
+@colelawrence, and @rbtcollins for helping out with this release!
 
 # 0.1.17 (July 22, 2020)
 

tracing/Cargo.toml

@@ -8,7 +8,7 @@ name = "tracing"
 #   - README.md
 # - Update CHANGELOG.md.
 # - Create "v0.1.x" git tag
-version = "0.1.17"
+version = "0.1.18"
 authors = ["Eliza Weisman <[email protected]>", "Tokio Contributors <[email protected]>"]
 license = "MIT"
 readme = "README.md"

tracing/README.md

@@ -12,9 +12,9 @@ Application-level tracing for Rust.
 [Documentation][docs-url] | [Chat][discord-url]
 
 [crates-badge]: https://img.shields.io/crates/v/tracing.svg
-[crates-url]: https://crates.io/crates/tracing/0.1.17
+[crates-url]: https://crates.io/crates/tracing/0.1.18
 [docs-badge]: https://docs.rs/tracing/badge.svg
-[docs-url]: https://docs.rs/tracing/0.1.17
+[docs-url]: https://docs.rs/tracing/0.1.18
 [docs-master-badge]: https://img.shields.io/badge/docs-master-blue
 [docs-master-url]: https://tracing-rs.netlify.com/tracing
 [mit-badge]: https://img.shields.io/badge/license-MIT-blue.svg
@@ -241,7 +241,7 @@ my_future
 is as long as the future's.
 
 The second, and preferred, option is through the
-[`#[instrument]`](https://docs.rs/tracing/0.1.17/tracing/attr.instrument.html)
+[`#[instrument]`](https://docs.rs/tracing/0.1.18/tracing/attr.instrument.html)
 attribute:
 
 ```rust
@@ -288,7 +288,7 @@ span.in_scope(|| {
 // Dropping the span will close it, indicating that it has ended.
 ```
 
-The [`#[instrument]`](https://docs.rs/tracing/0.1.17/tracing/attr.instrument.html) attribute macro
+The [`#[instrument]`](https://docs.rs/tracing/0.1.18/tracing/attr.instrument.html) attribute macro
 can reduce some of this boilerplate:
 
 ```rust

tracing/src/lib.rs

@@ -774,7 +774,7 @@
 //!
 //!   ```toml
 //!   [dependencies]
-//!   tracing = { version = "0.1.17", default-features = false }
+//!   tracing = { version = "0.1.18", default-features = false }
 //!   ```
 //!
 //!   *Compiler support: requires rustc 1.39+*
@@ -818,7 +818,7 @@
 //! [flags]: #crate-feature-flags
 #![cfg_attr(not(feature = "std"), no_std)]
 #![cfg_attr(docsrs, feature(doc_cfg))]
-#![doc(html_root_url = "https://docs.rs/tracing/0.1.17")]
+#![doc(html_root_url = "https://docs.rs/tracing/0.1.18")]
 #![doc(
     html_logo_url = "https://raw.githubusercontent.com/tokio-rs/tracing/master/assets/logo.svg",
     issue_tracker_base_url = "https://github.com/tokio-rs/tracing/issues/"