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chore: bump MSRV to 1.63 (#2793)
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‎.github/workflows/CI.yml

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@@ -121,7 +121,7 @@ jobs:
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shell: bash
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check-msrv:
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# Run `cargo check` on our minimum supported Rust version (1.56.0). This
124+
# Run `cargo check` on our minimum supported Rust version (1.63.0). This
125125
# checks with minimal versions; maximal versions are checked above.
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name: "cargo check (+MSRV -Zminimal-versions)"
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needs: check
@@ -143,7 +143,7 @@ jobs:
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- tracing-tower
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- tracing
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toolchain:
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- 1.56.0
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- 1.63.0
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- stable
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steps:
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- uses: actions/checkout@v3
@@ -279,9 +279,6 @@ jobs:
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test-features-stable:
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# Feature flag tests that run on stable Rust.
282-
# TODO(david): once tracing's MSRV goes up to Rust 1.51, we should be able to switch to
283-
# using cargo's V2 feature resolver (https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions)
284-
# and avoid cd'ing into each crate's directory.
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name: cargo test (feature-specific)
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needs: check
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runs-on: ubuntu-latest
@@ -290,24 +287,18 @@ jobs:
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- uses: dtolnay/rust-toolchain@stable
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- name: "Test log support"
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run: cargo test
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working-directory: "tracing/test-log-support"
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- name: "Test static max level"
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run: cargo test
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working-directory: "tracing/test_static_max_level_features"
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- name: "Test static max level (release)"
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run: cargo test --release
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working-directory: "tracing/test_static_max_level_features"
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- name: "Test tracing-core no-std support"
301295
run: cargo test --no-default-features
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working-directory: tracing
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- name: "Test tracing no-std support"
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run: cargo test --no-default-features
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working-directory: tracing
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# this skips running doctests under the `--no-default-features` flag,
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# as rustdoc isn't aware of cargo's feature flags.
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- name: "Test tracing-subscriber with all features disabled"
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run: cargo test --lib --tests --no-default-features
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working-directory: tracing-subscriber
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# all required checks except for the main test run (which we only require
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# specific matrix combinations from)

‎Cargo.toml

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@@ -1,5 +1,5 @@
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[workspace]
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resolver = "2"
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members = [
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"tracing",
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"tracing-core",

‎README.md

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@@ -254,7 +254,7 @@ attachment that `Future::instrument` does.
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## Supported Rust Versions
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Tracing is built against the latest stable release. The minimum supported
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version is 1.56. The current Tracing version is not guaranteed to build on Rust
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version is 1.63. The current Tracing version is not guaranteed to build on Rust
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versions earlier than the minimum supported version.
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Tracing follows the same compiler support policies as the rest of the Tokio

‎examples/Cargo.toml

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@@ -3,7 +3,7 @@ name = "tracing-examples"
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version = "0.0.0"
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publish = false
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edition = "2018"
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rust-version = "1.56.0"
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rust-version = "1.63.0"
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[features]
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default = []

‎tracing-attributes/Cargo.toml

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@@ -28,7 +28,7 @@ keywords = ["logging", "tracing", "macro", "instrument", "log"]
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license = "MIT"
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readme = "README.md"
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edition = "2018"
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rust-version = "1.56.0"
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rust-version = "1.63.0"
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[lib]
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proc-macro = true

‎tracing-attributes/README.md

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@@ -37,7 +37,7 @@ structured, event-based diagnostic information. This crate provides the
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Note that this macro is also re-exported by the main `tracing` crate.
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*Compiler support: [requires `rustc` 1.56+][msrv]*
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*Compiler support: [requires `rustc` 1.63+][msrv]*
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[msrv]: #supported-rust-versions
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@@ -69,7 +69,7 @@ pub fn my_function(my_arg: usize) {
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## Supported Rust Versions
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Tracing is built against the latest stable release. The minimum supported
72-
version is 1.56. The current Tracing version is not guaranteed to build on Rust
72+
version is 1.63. The current Tracing version is not guaranteed to build on Rust
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versions earlier than the minimum supported version.
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Tracing follows the same compiler support policies as the rest of the Tokio

‎tracing-attributes/src/attr.rs

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@@ -255,19 +255,14 @@ impl Parse for Skips {
255255
}
256256
}
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258-
#[derive(Clone, Debug, Hash, PartialEq, Eq)]
258+
#[derive(Clone, Debug, Hash, PartialEq, Eq, Default)]
259259
pub(crate) enum FormatMode {
260+
#[default]
260261
Default,
261262
Display,
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Debug,
263264
}
264265

265-
impl Default for FormatMode {
266-
fn default() -> Self {
267-
FormatMode::Default
268-
}
269-
}
270-
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#[derive(Clone, Debug)]
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pub(crate) struct Fields(pub(crate) Punctuated<Field, Token![,]>);
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‎tracing-attributes/src/lib.rs

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//!
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//! Note that this macro is also re-exported by the main `tracing` crate.
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//!
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//! *Compiler support: [requires `rustc` 1.56+][msrv]*
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//! *Compiler support: [requires `rustc` 1.63+][msrv]*
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//!
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//! [msrv]: #supported-rust-versions
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//!
@@ -41,7 +41,7 @@
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//! ## Supported Rust Versions
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//!
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//! Tracing is built against the latest stable release. The minimum supported
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//! version is 1.56. The current Tracing version is not guaranteed to build on
44+
//! version is 1.63. The current Tracing version is not guaranteed to build on
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//! Rust versions earlier than the minimum supported version.
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//!
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//! Tracing follows the same compiler support policies as the rest of the Tokio

‎tracing-core/Cargo.toml

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@@ -24,7 +24,7 @@ categories = [
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]
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keywords = ["logging", "tracing", "profiling"]
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edition = "2018"
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rust-version = "1.56.0"
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rust-version = "1.63.0"
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[features]
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default = ["std"]

‎tracing-core/README.md

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@@ -53,7 +53,7 @@ The crate provides:
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In addition, it defines the global callsite registry and per-thread current
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dispatcher which other components of the tracing system rely on.
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*Compiler support: [requires `rustc` 1.56+][msrv]*
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*Compiler support: [requires `rustc` 1.63+][msrv]*
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[msrv]: #supported-rust-versions
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## Supported Rust Versions
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Tracing is built against the latest stable release. The minimum supported
102-
version is 1.56. The current Tracing version is not guaranteed to build on Rust
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version is 1.63. The current Tracing version is not guaranteed to build on Rust
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versions earlier than the minimum supported version.
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Tracing follows the same compiler support policies as the rest of the Tokio

‎tracing-core/src/lib.rs

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//! In addition, it defines the global callsite registry and per-thread current
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//! dispatcher which other components of the tracing system rely on.
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//!
26-
//! *Compiler support: [requires `rustc` 1.56+][msrv]*
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//! *Compiler support: [requires `rustc` 1.63+][msrv]*
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//!
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//! [msrv]: #supported-rust-versions
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//!
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//! ## Supported Rust Versions
110110
//!
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//! Tracing is built against the latest stable release. The minimum supported
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//! version is 1.56. The current Tracing version is not guaranteed to build on
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//! version is 1.63. The current Tracing version is not guaranteed to build on
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//! Rust versions earlier than the minimum supported version.
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//!
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//! Tracing follows the same compiler support policies as the rest of the Tokio

‎tracing-error/Cargo.toml

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"backtrace"
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]
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edition = "2018"
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rust-version = "1.56.0"
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rust-version = "1.63.0"
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[features]
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default = ["traced-error"]

‎tracing-error/README.md

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**Note**: This crate is currently experimental.
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*Compiler support: [requires `rustc` 1.56+][msrv]*
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*Compiler support: [requires `rustc` 1.63+][msrv]*
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[msrv]: #supported-rust-versions
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186186
## Supported Rust Versions
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188188
Tracing is built against the latest stable release. The minimum supported
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version is 1.56. The current Tracing version is not guaranteed to build on Rust
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version is 1.63. The current Tracing version is not guaranteed to build on Rust
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versions earlier than the minimum supported version.
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Tracing follows the same compiler support policies as the rest of the Tokio

‎tracing-error/src/lib.rs

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//!
1919
//! **Note**: This crate is currently experimental.
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//!
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//! *Compiler support: [requires `rustc` 1.56+][msrv]*
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//! *Compiler support: [requires `rustc` 1.63+][msrv]*
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//!
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//! [msrv]: #supported-rust-versions
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//!
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//! ## Supported Rust Versions
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//!
168168
//! Tracing is built against the latest stable release. The minimum supported
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//! version is 1.56. The current Tracing version is not guaranteed to build on
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//! version is 1.63. The current Tracing version is not guaranteed to build on
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//! Rust versions earlier than the minimum supported version.
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//!
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//! Tracing follows the same compiler support policies as the rest of the Tokio

‎tracing-flame/Cargo.toml

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"asynchronous",
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]
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keywords = ["tracing", "subscriber", "flamegraph", "profiling"]
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rust-version = "1.56.0"
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rust-version = "1.63.0"
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[features]
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default = ["smallvec"]

‎tracing-flame/README.md

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@@ -26,7 +26,7 @@ flamegraph/flamechart. Flamegraphs/flamecharts are useful for identifying perfor
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bottlenecks in an application. For more details, see Brendan Gregg's [post]
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on flamegraphs.
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*Compiler support: [requires `rustc` 1.56+][msrv]*
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*Compiler support: [requires `rustc` 1.63+][msrv]*
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[msrv]: #supported-rust-versions
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[post]: http://www.brendangregg.com/flamegraphs.html
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## Supported Rust Versions
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108108
Tracing is built against the latest stable release. The minimum supported
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version is 1.56. The current Tracing version is not guaranteed to build on Rust
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version is 1.63. The current Tracing version is not guaranteed to build on Rust
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versions earlier than the minimum supported version.
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‎tracing-flame/src/lib.rs

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//! issues bottlenecks in an application. For more details, see Brendan Gregg's [post]
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//! on flamegraphs.
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//!
13-
//! *Compiler support: [requires `rustc` 1.56+][msrv]*
13+
//! *Compiler support: [requires `rustc` 1.63+][msrv]*
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//!
1515
//! [msrv]: #supported-rust-versions
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//! [post]: http://www.brendangregg.com/flamegraphs.html
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9595
//! ## Supported Rust Versions
9696
//!
9797
//! Tracing is built against the latest stable release. The minimum supported
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//! version is 1.56. The current Tracing version is not guaranteed to build on
98+
//! version is 1.63. The current Tracing version is not guaranteed to build on
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//! Rust versions earlier than the minimum supported version.
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//!
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//! Tracing follows the same compiler support policies as the rest of the Tokio

‎tracing-futures/Cargo.toml

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]
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keywords = ["logging", "profiling", "tracing", "futures", "async"]
1818
license = "MIT"
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[features]
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default = ["std-future", "std"]

‎tracing-futures/README.md

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[`Subscriber`]: https://docs.rs/tracing/latest/tracing/subscriber/index.html
5252
[`tracing`]: https://crates.io/crates/tracing
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*Compiler support: [requires `rustc` 1.56+][msrv]*
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*Compiler support: [requires `rustc` 1.63+][msrv]*
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[msrv]: #supported-rust-versions
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## Supported Rust Versions
5959

6060
Tracing is built against the latest stable release. The minimum supported
61-
version is 1.56. The current Tracing version is not guaranteed to build on Rust
61+
version is 1.63. The current Tracing version is not guaranteed to build on Rust
6262
versions earlier than the minimum supported version.
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Tracing follows the same compiler support policies as the rest of the Tokio

‎tracing-futures/src/lib.rs

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//! * [`WithCollector`] allows a `tracing` [collector] to be attached to a
1616
//! future, sink, stream, or executor.
1717
//!
18-
//! *Compiler support: [requires `rustc` 1.56+][msrv]*
18+
//! *Compiler support: [requires `rustc` 1.63+][msrv]*
1919
//!
2020
//! [msrv]: #supported-rust-versions
2121
//!
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6060
//! ## Supported Rust Versions
6161
//!
6262
//! Tracing is built against the latest stable release. The minimum supported
63-
//! version is 1.56. The current Tracing version is not guaranteed to build on
63+
//! version is 1.63. The current Tracing version is not guaranteed to build on
6464
//! Rust versions earlier than the minimum supported version.
6565
//!
6666
//! Tracing follows the same compiler support policies as the rest of the Tokio

‎tracing-journald/Cargo.toml

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"development-tools::profiling",
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]
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keywords = ["tracing", "journald"]
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[dependencies]
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libc = "0.2.126"

‎tracing-journald/README.md

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@@ -28,7 +28,7 @@ scoped, structured, and async-aware diagnostics. `tracing-journald` provides a
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and events to [`systemd-journald`][journald], on Linux distributions that use
2929
`systemd`.
3030

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*Compiler support: [requires `rustc` 1.56+][msrv]*
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*Compiler support: [requires `rustc` 1.63+][msrv]*
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[msrv]: #supported-rust-versions
3434
[`tracing`]: https://crates.io/crates/tracing
@@ -38,7 +38,7 @@ and events to [`systemd-journald`][journald], on Linux distributions that use
3838
## Supported Rust Versions
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4040
Tracing is built against the latest stable release. The minimum supported
41-
version is 1.56. The current Tracing version is not guaranteed to build on Rust
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version is 1.63. The current Tracing version is not guaranteed to build on Rust
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versions earlier than the minimum supported version.
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‎tracing-journald/src/lib.rs

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//! and events to [`systemd-journald`][journald], on Linux distributions that
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//! use `systemd`.
1313
//!
14-
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14+
//! *Compiler support: [requires `rustc` 1.63+][msrv]*
1515
//!
1616
//! [msrv]: #supported-rust-versions
1717
//! [`tracing`]: https://crates.io/crates/tracing
@@ -21,7 +21,7 @@
2121
//! ## Supported Rust Versions
2222
//!
2323
//! Tracing is built against the latest stable release. The minimum supported
24-
//! version is 1.56. The current Tracing version is not guaranteed to build on
24+
//! version is 1.63. The current Tracing version is not guaranteed to build on
2525
//! Rust versions earlier than the minimum supported version.
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//!
2727
//! Tracing follows the same compiler support policies as the rest of the Tokio

‎tracing-log/Cargo.toml

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keywords = ["logging", "tracing", "log"]
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license = "MIT"
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readme = "README.md"
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default = ["log-tracer", "std"]

‎tracing-log/README.md

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[`tracing::Subscriber`]: https://docs.rs/tracing/latest/tracing/trait.Subscriber.html
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[`tracing::Event`]: https://docs.rs/tracing/latest/tracing/struct.Event.html
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*Compiler support: [requires `rustc` 1.56+][msrv]*
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*Compiler support: [requires `rustc` 1.63+][msrv]*
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[msrv]: #supported-rust-versions
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## Supported Rust Versions
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Tracing is built against the latest stable release. The minimum supported
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version is 1.56. The current Tracing version is not guaranteed to build on Rust
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version is 1.63. The current Tracing version is not guaranteed to build on Rust
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versions earlier than the minimum supported version.
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Tracing follows the same compiler support policies as the rest of the Tokio

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