subscriber: update matchers to 0.2 (#3033)

Update the version of the `matchers` crate to 0.2. This requires also
adding a direct dependency on `regex-automata` to enable the `std`
feature.

.github/workflows/CI.yml

@@ -121,7 +121,7 @@ jobs:
       shell: bash
 
   check-msrv:
-    # Run `cargo check` on our minimum supported Rust version (1.63.0). This
+    # Run `cargo check` on our minimum supported Rust version (1.65.0). This
     # checks with minimal versions; maximal versions are checked above.
     name: "cargo check (+MSRV -Zminimal-versions)"
     needs: check
@@ -143,7 +143,7 @@ jobs:
         - tracing-tower
         - tracing
         toolchain:
-        - 1.63.0
+        - 1.65.0
         - stable
     steps:
     - uses: actions/checkout@v4

README.md

@@ -254,7 +254,7 @@ attachment that `Future::instrument` does.
 ## Supported Rust Versions
 
 Tracing is built against the latest stable release. The minimum supported
-version is 1.63. The current Tracing version is not guaranteed to build on Rust
+version is 1.65. The current Tracing version is not guaranteed to build on Rust
 versions earlier than the minimum supported version.
 
 Tracing follows the same compiler support policies as the rest of the Tokio
@@ -398,7 +398,7 @@ are not maintained by the `tokio` project. These include:
 - [`tracing-elastic-apm`] provides a layer for reporting traces to [Elastic APM].
 - [`tracing-etw`] provides a layer for emitting Windows [ETW] events.
 - [`sentry-tracing`] provides a layer for reporting events and traces to [Sentry].
-- [`tracing-forest`] provides a subscriber that preserves contextual coherence by 
+- [`tracing-forest`] provides a subscriber that preserves contextual coherence by
   grouping together logs from the same spans during writing.
 - [`tracing-loki`] provides a layer for shipping logs to [Grafana Loki].
 - [`tracing-logfmt`] provides a layer that formats events and spans into the logfmt format.

tracing-attributes/Cargo.toml

@@ -25,7 +25,7 @@ keywords = ["logging", "tracing", "macro", "instrument", "log"]
 license = "MIT"
 readme = "README.md"
 edition = "2018"
-rust-version = "1.63.0"
+rust-version = "1.65.0"
 
 [lib]
 proc-macro = true

tracing-attributes/README.md

@@ -37,7 +37,7 @@ structured, event-based diagnostic information. This crate provides the
 
 Note that this macro is also re-exported by the main `tracing` crate.
 
-*Compiler support: [requires `rustc` 1.63+][msrv]*
+*Compiler support: [requires `rustc` 1.65+][msrv]*
 
 [msrv]: #supported-rust-versions
 
@@ -69,7 +69,7 @@ pub fn my_function(my_arg: usize) {
 ## Supported Rust Versions
 
 Tracing is built against the latest stable release. The minimum supported
-version is 1.63. The current Tracing version is not guaranteed to build on Rust
+version is 1.65. The current Tracing version is not guaranteed to build on Rust
 versions earlier than the minimum supported version.
 
 Tracing follows the same compiler support policies as the rest of the Tokio

tracing-attributes/src/lib.rs

@@ -6,7 +6,7 @@
 //!
 //! Note that this macro is also re-exported by the main `tracing` crate.
 //!
-//! *Compiler support: [requires `rustc` 1.63+][msrv]*
+//! *Compiler support: [requires `rustc` 1.65+][msrv]*
 //!
 //! [msrv]: #supported-rust-versions
 //!
@@ -41,7 +41,7 @@
 //! ## Supported Rust Versions
 //!
 //! Tracing is built against the latest stable release. The minimum supported
-//! version is 1.63. The current Tracing version is not guaranteed to build on
+//! version is 1.65. The current Tracing version is not guaranteed to build on
 //! Rust versions earlier than the minimum supported version.
 //!
 //! Tracing follows the same compiler support policies as the rest of the Tokio

tracing-core/Cargo.toml

@@ -22,7 +22,7 @@ categories = [
 ]
 keywords = ["logging", "tracing", "profiling"]
 edition = "2018"
-rust-version = "1.63.0"
+rust-version = "1.65.0"
 
 [features]
 default = ["std"]

tracing-core/README.md

@@ -53,12 +53,12 @@ The crate provides:
 In addition, it defines the global callsite registry and per-thread current
 dispatcher which other components of the tracing system rely on.
 
-*Compiler support: [requires `rustc` 1.63+][msrv]*
+*Compiler support: [requires `rustc` 1.65+][msrv]*
 
 [msrv]: #supported-rust-versions
 
 ## Usage
-  
+
 Application authors will typically not use this crate directly. Instead, they
 will use the [`tracing`] crate, which provides a much more fully-featured
 API. However, this crate's API will change very infrequently, so it may be used
@@ -99,7 +99,7 @@ The following crate feature flags are available:
 ## Supported Rust Versions
 
 Tracing is built against the latest stable release. The minimum supported
-version is 1.63. The current Tracing version is not guaranteed to build on Rust
+version is 1.65. The current Tracing version is not guaranteed to build on Rust
 versions earlier than the minimum supported version.
 
 Tracing follows the same compiler support policies as the rest of the Tokio

tracing-core/src/lib.rs

@@ -23,7 +23,7 @@
 //! In addition, it defines the global callsite registry and per-thread current
 //! dispatcher which other components of the tracing system rely on.
 //!
-//! *Compiler support: [requires `rustc` 1.63+][msrv]*
+//! *Compiler support: [requires `rustc` 1.65+][msrv]*
 //!
 //! [msrv]: #supported-rust-versions
 //!
@@ -109,7 +109,7 @@
 //! ## Supported Rust Versions
 //!
 //! Tracing is built against the latest stable release. The minimum supported
-//! version is 1.63. The current Tracing version is not guaranteed to build on
+//! version is 1.65. The current Tracing version is not guaranteed to build on
 //! Rust versions earlier than the minimum supported version.
 //!
 //! Tracing follows the same compiler support policies as the rest of the Tokio

tracing-error/Cargo.toml

@@ -29,7 +29,7 @@ keywords = [
     "backtrace"
 ]
 edition = "2018"
-rust-version = "1.63.0"
+rust-version = "1.65.0"
 
 [features]
 default = ["traced-error"]

tracing-error/README.md

@@ -48,7 +48,7 @@ The crate provides the following:
 
 **Note**: This crate is currently experimental.
 
-*Compiler support: [requires `rustc` 1.63+][msrv]*
+*Compiler support: [requires `rustc` 1.65+][msrv]*
 
 [msrv]: #supported-rust-versions
 
@@ -186,7 +186,7 @@ fn main() {
 ## Supported Rust Versions
 
 Tracing is built against the latest stable release. The minimum supported
-version is 1.63. The current Tracing version is not guaranteed to build on Rust
+version is 1.65. The current Tracing version is not guaranteed to build on Rust
 versions earlier than the minimum supported version.
 
 Tracing follows the same compiler support policies as the rest of the Tokio

tracing-error/src/lib.rs

@@ -18,7 +18,7 @@
 //!
 //! **Note**: This crate is currently experimental.
 //!
-//! *Compiler support: [requires `rustc` 1.63+][msrv]*
+//! *Compiler support: [requires `rustc` 1.65+][msrv]*
 //!
 //! [msrv]: #supported-rust-versions
 //!
@@ -166,7 +166,7 @@
 //! ## Supported Rust Versions
 //!
 //! Tracing is built against the latest stable release. The minimum supported
-//! version is 1.63. The current Tracing version is not guaranteed to build on
+//! version is 1.65. The current Tracing version is not guaranteed to build on
 //! Rust versions earlier than the minimum supported version.
 //!
 //! Tracing follows the same compiler support policies as the rest of the Tokio

tracing-flame/Cargo.toml

@@ -19,7 +19,7 @@ categories = [
     "asynchronous",
 ]
 keywords = ["tracing", "subscriber", "flamegraph", "profiling"]
-rust-version = "1.63.0"
+rust-version = "1.65.0"
 
 [features]
 default = ["smallvec"]

tracing-flame/README.md

@@ -26,7 +26,7 @@ flamegraph/flamechart. Flamegraphs/flamecharts are useful for identifying perfor
 bottlenecks in an application. For more details, see Brendan Gregg's [post]
 on flamegraphs.
 
-*Compiler support: [requires `rustc` 1.63+][msrv]*
+*Compiler support: [requires `rustc` 1.65+][msrv]*
 
 [msrv]: #supported-rust-versions
 [post]: http://www.brendangregg.com/flamegraphs.html
@@ -106,7 +106,7 @@ _flamechart_, which _does not_ sort or collapse identical stack frames.
 ## Supported Rust Versions
 
 Tracing is built against the latest stable release. The minimum supported
-version is 1.63. The current Tracing version is not guaranteed to build on Rust
+version is 1.65. The current Tracing version is not guaranteed to build on Rust
 versions earlier than the minimum supported version.
 
 Tracing follows the same compiler support policies as the rest of the Tokio

tracing-flame/src/lib.rs

@@ -10,7 +10,7 @@
 //! issues bottlenecks in an application. For more details, see Brendan Gregg's [post]
 //! on flamegraphs.
 //!
-//! *Compiler support: [requires `rustc` 1.63+][msrv]*
+//! *Compiler support: [requires `rustc` 1.65+][msrv]*
 //!
 //! [msrv]: #supported-rust-versions
 //! [post]: http://www.brendangregg.com/flamegraphs.html
@@ -95,7 +95,7 @@
 //! ## Supported Rust Versions
 //!
 //! Tracing is built against the latest stable release. The minimum supported
-//! version is 1.63. The current Tracing version is not guaranteed to build on
+//! version is 1.65. The current Tracing version is not guaranteed to build on
 //! Rust versions earlier than the minimum supported version.
 //!
 //! Tracing follows the same compiler support policies as the rest of the Tokio

tracing-futures/Cargo.toml

@@ -16,7 +16,7 @@ categories = [
 ]
 keywords = ["logging", "profiling", "tracing", "futures", "async"]
 license = "MIT"
-rust-version = "1.63.0"
+rust-version = "1.65.0"
 
 [features]
 default = ["std-future", "std"]

tracing-futures/README.md

@@ -51,14 +51,14 @@ The crate provides the following traits:
 [`Subscriber`]: https://docs.rs/tracing/latest/tracing/subscriber/index.html
 [`tracing`]: https://crates.io/crates/tracing
 
-*Compiler support: [requires `rustc` 1.63+][msrv]*
+*Compiler support: [requires `rustc` 1.65+][msrv]*
 
 [msrv]: #supported-rust-versions
 
 ## Supported Rust Versions
 
 Tracing is built against the latest stable release. The minimum supported
-version is 1.63. The current Tracing version is not guaranteed to build on Rust
+version is 1.65. The current Tracing version is not guaranteed to build on Rust
 versions earlier than the minimum supported version.
 
 Tracing follows the same compiler support policies as the rest of the Tokio

tracing-futures/src/lib.rs

@@ -15,7 +15,7 @@
 //! * [`WithCollector`] allows a `tracing` [collector] to be attached to a
 //!   future, sink, stream, or executor.
 //!
-//! *Compiler support: [requires `rustc` 1.63+][msrv]*
+//! *Compiler support: [requires `rustc` 1.65+][msrv]*
 //!
 //! [msrv]: #supported-rust-versions
 //!
@@ -59,7 +59,7 @@
 //! ## Supported Rust Versions
 //!
 //! Tracing is built against the latest stable release. The minimum supported
-//! version is 1.63. The current Tracing version is not guaranteed to build on
+//! version is 1.65. The current Tracing version is not guaranteed to build on
 //! Rust versions earlier than the minimum supported version.
 //!
 //! Tracing follows the same compiler support policies as the rest of the Tokio

tracing-journald/Cargo.toml

@@ -13,7 +13,7 @@ categories = [
     "development-tools::profiling",
 ]
 keywords = ["tracing", "journald"]
-rust-version = "1.63.0"
+rust-version = "1.65.0"
 
 [dependencies]
 libc = "0.2.126"

tracing-journald/README.md

@@ -27,8 +27,8 @@ scoped, structured, and async-aware diagnostics. `tracing-journald` provides a
 [`tracing-subscriber::Layer`][layer] implementation for logging `tracing` spans
 and events to [`systemd-journald`][journald], on Linux distributions that use
 `systemd`.
- 
-*Compiler support: [requires `rustc` 1.63+][msrv]*
+
+*Compiler support: [requires `rustc` 1.65+][msrv]*
 
 [msrv]: #supported-rust-versions
 [`tracing`]: https://crates.io/crates/tracing
@@ -38,7 +38,7 @@ and events to [`systemd-journald`][journald], on Linux distributions that use
 ## Supported Rust Versions
 
 Tracing is built against the latest stable release. The minimum supported
-version is 1.63. The current Tracing version is not guaranteed to build on Rust
+version is 1.65. The current Tracing version is not guaranteed to build on Rust
 versions earlier than the minimum supported version.
 
 Tracing follows the same compiler support policies as the rest of the Tokio

tracing-journald/src/lib.rs

@@ -11,7 +11,7 @@
 //! and events to [`systemd-journald`][journald], on Linux distributions that
 //! use `systemd`.
 //!
-//! *Compiler support: [requires `rustc` 1.63+][msrv]*
+//! *Compiler support: [requires `rustc` 1.65+][msrv]*
 //!
 //! [msrv]: #supported-rust-versions
 //! [`tracing`]: https://crates.io/crates/tracing
@@ -21,7 +21,7 @@
 //! ## Supported Rust Versions
 //!
 //! Tracing is built against the latest stable release. The minimum supported
-//! version is 1.63. The current Tracing version is not guaranteed to build on
+//! version is 1.65. The current Tracing version is not guaranteed to build on
 //! Rust versions earlier than the minimum supported version.
 //!
 //! Tracing follows the same compiler support policies as the rest of the Tokio

tracing-log/Cargo.toml

@@ -15,7 +15,7 @@ categories = [
 keywords = ["logging", "tracing", "log"]
 license = "MIT"
 readme = "README.md"
-rust-version = "1.63.0"
+rust-version = "1.65.0"
 
 [features]
 default = ["log-tracer", "std"]

tracing-log/README.md

@@ -56,14 +56,14 @@ This crate provides:
 [`tracing::Subscriber`]: https://docs.rs/tracing/latest/tracing/trait.Subscriber.html
 [`tracing::Event`]: https://docs.rs/tracing/latest/tracing/struct.Event.html
 
-*Compiler support: [requires `rustc` 1.63+][msrv]*
+*Compiler support: [requires `rustc` 1.65+][msrv]*
 
 [msrv]: #supported-rust-versions
 
 ## Supported Rust Versions
 
 Tracing is built against the latest stable release. The minimum supported
-version is 1.63. The current Tracing version is not guaranteed to build on Rust
+version is 1.65. The current Tracing version is not guaranteed to build on Rust
 versions earlier than the minimum supported version.
 
 Tracing follows the same compiler support policies as the rest of the Tokio

tracing-log/src/lib.rs

@@ -16,7 +16,7 @@
 //! - An [`env_logger`] module, with helpers for using the [`env_logger` crate]
 //!   with `tracing` (optional, enabled by the `env-logger` feature).
 //!
-//! *Compiler support: [requires `rustc` 1.63+][msrv]*
+//! *Compiler support: [requires `rustc` 1.65+][msrv]*
 //!
 //! [msrv]: #supported-rust-versions
 //!
@@ -76,7 +76,7 @@
 //! ## Supported Rust Versions
 //!
 //! Tracing is built against the latest stable release. The minimum supported
-//! version is 1.63. The current Tracing version is not guaranteed to build on
+//! version is 1.65. The current Tracing version is not guaranteed to build on
 //! Rust versions earlier than the minimum supported version.
 //!
 //! Tracing follows the same compiler support policies as the rest of the Tokio

tracing-macros/Cargo.toml

@@ -15,7 +15,7 @@ categories = [
 ]
 keywords = ["logging", "tracing"]
 license = "MIT"
-rust-version = "1.63.0"
+rust-version = "1.65.0"
 
 [dependencies]
 tracing = { path = "../tracing", version = "0.2", default-features = false }

tracing-mock/Cargo.toml

@@ -14,7 +14,7 @@ readme = "README.md"
 repository = "https://github.com/tokio-rs/tracing"
 homepage = "https://tokio.rs"
 edition = "2018"
-rust-version = "1.63.0"
+rust-version = "1.65.0"
 publish = false
 
 [dependencies]

tracing-mock/README.md

@@ -29,7 +29,7 @@ structured, event-based diagnostic information. `tracing-mock` provides
 tools for making assertions about what `tracing` diagnostics are emitted
 by code under test.
 
-*Compiler support: [requires `rustc` 1.63+][msrv]*
+*Compiler support: [requires `rustc` 1.65+][msrv]*
 
 [msrv]: #supported-rust-versions
 
@@ -154,7 +154,7 @@ handle.assert_finished();
 ## Supported Rust Versions
 
 Tracing is built against the latest stable release. The minimum supported
-version is 1.63. The current Tracing version is not guaranteed to build on Rust
+version is 1.65. The current Tracing version is not guaranteed to build on Rust
 versions earlier than the minimum supported version.
 
 Tracing follows the same compiler support policies as the rest of the Tokio

tracing-serde/Cargo.toml

@@ -16,7 +16,7 @@ categories = [
     "encoding",
 ]
 keywords = ["logging", "tracing", "serialization"]
-rust-version = "1.63.0"
+rust-version = "1.65.0"
 
 [features]
 default = ["std"]

tracing-serde/README.md

@@ -18,7 +18,7 @@ An adapter for serializing [`tracing`] types using [`serde`].
 
 [`tracing`] is a framework for instrumenting Rust programs to collect
 scoped, structured, and async-aware diagnostics.`tracing-serde` enables
-serializing `tracing` types using [`serde`]. 
+serializing `tracing` types using [`serde`].
 
 Traditional logging is based on human-readable text messages.
 `tracing` gives us machine-readable structured diagnostic
@@ -36,7 +36,7 @@ and tracing data to monitor your services in production.
 The `tracing` crate provides the APIs necessary for instrumenting
 libraries and applications to emit trace data.
 
-*Compiler support: [requires `rustc` 1.63+][msrv]*
+*Compiler support: [requires `rustc` 1.65+][msrv]*
 
 [msrv]: #supported-rust-versions
 
@@ -113,7 +113,7 @@ The following crate feature flags are available:
 ## Supported Rust Versions
 
 Tracing is built against the latest stable release. The minimum supported
-version is 1.63. The current Tracing version is not guaranteed to build on Rust
+version is 1.65. The current Tracing version is not guaranteed to build on Rust
 versions earlier than the minimum supported version.
 
 Tracing follows the same compiler support policies as the rest of the Tokio

tracing-serde/src/lib.rs

@@ -32,7 +32,7 @@
 //! The `tracing` crate provides the APIs necessary for instrumenting
 //! libraries and applications to emit trace data.
 //!
-//! *Compiler support: [requires `rustc` 1.63+][msrv]*
+//! *Compiler support: [requires `rustc` 1.65+][msrv]*
 //!
 //! [msrv]: #supported-rust-versions
 //!
@@ -134,7 +134,7 @@
 //! ## Supported Rust Versions
 //!
 //! Tracing is built against the latest stable release. The minimum supported
-//! version is 1.63. The current Tracing version is not guaranteed to build on
+//! version is 1.65. The current Tracing version is not guaranteed to build on
 //! Rust versions earlier than the minimum supported version.
 //!
 //! Tracing follows the same compiler support policies as the rest of the Tokio

tracing-subscriber/Cargo.toml

@@ -20,14 +20,14 @@ categories = [
     "asynchronous",
 ]
 keywords = ["logging", "tracing", "metrics", "subscriber"]
-rust-version = "1.63.0"
+rust-version = "1.65.0"
 
 [features]
 
 default = ["smallvec", "fmt", "ansi", "tracing-log", "std"]
 alloc = ["tracing-core/alloc", "portable-atomic-util?/alloc"]
 std = ["alloc", "tracing-core/std"]
-env-filter = ["matchers", "once_cell", "tracing", "std", "thread_local"]
+env-filter = ["matchers", "once_cell", "tracing", "std", "thread_local", "dep:regex-automata"]
 fmt = ["registry", "std"]
 ansi = ["fmt", "nu-ansi-term"]
 registry = ["sharded-slab", "thread_local", "std"]
@@ -47,7 +47,9 @@ tracing-core = { path = "../tracing-core", version = "0.2", default-features = f
 
 # only required by the `env-filter` feature
 tracing = { optional = true, path = "../tracing", version = "0.2", default-features = false }
-matchers = { optional = true, version = "0.1.0" }
+matchers = { optional = true, version = "0.2.0" }
+# required to have matchers::BuildError implement std::error::Error
+regex-automata = { optional = true, version = "0.4", default-features = false, features = ["std"] }
 smallvec = { optional = true, version = "1.9.0" }
 once_cell = { optional = true, version = "1.13.0" }
 

tracing-subscriber/README.md

@@ -32,14 +32,14 @@ Utilities for implementing and composing [`tracing`][tracing] subscribers.
 [discord-url]: https://discord.gg/EeF3cQw
 [maint-badge]: https://img.shields.io/badge/maintenance-experimental-blue.svg
 
-*Compiler support: [requires `rustc` 1.63+][msrv]*
+*Compiler support: [requires `rustc` 1.65+][msrv]*
 
 [msrv]: #supported-rust-versions
 
 ## Supported Rust Versions
 
 Tracing is built against the latest stable release. The minimum supported
-version is 1.63. The current Tracing version is not guaranteed to build on Rust
+version is 1.65. The current Tracing version is not guaranteed to build on Rust
 versions earlier than the minimum supported version.
 
 Tracing follows the same compiler support policies as the rest of the Tokio

tracing-subscriber/src/filter/env/field.rs

@@ -234,7 +234,8 @@ impl ValueMatch {
     /// This returns an error if the string didn't contain a valid `bool`,
     /// `u64`, `i64`, or `f64` literal, and couldn't be parsed as a regular
     /// expression.
-    fn parse_regex(s: &str) -> Result<Self, matchers::Error> {
+    #[allow(clippy::result_large_err)]
+    fn parse_regex(s: &str) -> Result<Self, matchers::BuildError> {
         s.parse::<bool>()
             .map(ValueMatch::Bool)
             .or_else(|_| s.parse::<u64>().map(ValueMatch::U64))
@@ -279,7 +280,7 @@ impl fmt::Display for ValueMatch {
 // === impl MatchPattern ===
 
 impl FromStr for MatchPattern {
-    type Err = matchers::Error;
+    type Err = matchers::BuildError;
     fn from_str(s: &str) -> Result<Self, Self::Err> {
         let matcher = Pattern::new_anchored(s)?;
         Ok(Self {

tracing-subscriber/src/fmt/mod.rs

@@ -16,7 +16,7 @@
 //! tracing-subscriber = "0.3"
 //! ```
 //!
-//! *Compiler support: [requires `rustc` 1.63+][msrv]*
+//! *Compiler support: [requires `rustc` 1.65+][msrv]*
 //!
 //! [msrv]: ../index.html#supported-rust-versions
 //!

tracing-subscriber/src/lib.rs

@@ -10,7 +10,7 @@
 //! `tracing-subscriber` is intended for use by both `Collector` authors and
 //! application authors using `tracing` to instrument their applications.
 //!
-//! *Compiler support: [requires `rustc` 1.63+][msrv]*
+//! *Compiler support: [requires `rustc` 1.65+][msrv]*
 //!
 //! [msrv]: #supported-rust-versions
 //!
@@ -106,7 +106,7 @@
 //! ## Supported Rust Versions
 //!
 //! Tracing is built against the latest stable release. The minimum supported
-//! version is 1.63. The current Tracing version is not guaranteed to build on
+//! version is 1.65. The current Tracing version is not guaranteed to build on
 //! Rust versions earlier than the minimum supported version.
 //!
 //! Tracing follows the same compiler support policies as the rest of the Tokio

tracing-tower/Cargo.toml

@@ -15,7 +15,7 @@ categories = [
 ]
 keywords = ["logging", "tracing"]
 license = "MIT"
-rust-version = "1.63.0"
+rust-version = "1.65.0"
 
 [features]
 default = ["tower-layer", "tower-make"]

tracing/Cargo.toml

@@ -25,7 +25,7 @@ categories = [
 ]
 keywords = ["logging", "tracing", "metrics", "async"]
 edition = "2018"
-rust-version = "1.63.0"
+rust-version = "1.65.0"
 
 [dependencies]
 tracing-core = { path = "../tracing-core", version = "0.2", default-features = false }

tracing/README.md

@@ -47,7 +47,7 @@ data as well as textual messages.
 The `tracing` crate provides the APIs necessary for instrumenting libraries
 and applications to emit trace data.
 
-*Compiler support: [requires `rustc` 1.63+][msrv]*
+*Compiler support: [requires `rustc` 1.65+][msrv]*
 
 [msrv]: #supported-rust-versions
 
@@ -429,7 +429,7 @@ undergoing active development. They may be less stable than `tracing` and
 ## Supported Rust Versions
 
 Tracing is built against the latest stable release. The minimum supported
-version is 1.63. The current Tracing version is not guaranteed to build on Rust
+version is 1.65. The current Tracing version is not guaranteed to build on Rust
 versions earlier than the minimum supported version.
 
 Tracing follows the same compiler support policies as the rest of the Tokio

tracing/src/lib.rs

@@ -19,7 +19,7 @@
 //! The `tracing` crate provides the APIs necessary for instrumenting libraries
 //! and applications to emit trace data.
 //!
-//! *Compiler support: [requires `rustc` 1.63+][msrv]*
+//! *Compiler support: [requires `rustc` 1.65+][msrv]*
 //!
 //! [msrv]: #supported-rust-versions
 //! # Core Concepts
@@ -894,7 +894,7 @@
 //! ## Supported Rust Versions
 //!
 //! Tracing is built against the latest stable release. The minimum supported
-//! version is 1.63. The current Tracing version is not guaranteed to build on
+//! version is 1.65. The current Tracing version is not guaranteed to build on
 //! Rust versions earlier than the minimum supported version.
 //!
 //! Tracing follows the same compiler support policies as the rest of the Tokio