Merging debian version 1.65.0+dfsg1-2.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

13 files changed, 342 insertions, 426 deletions

diff --git a/vendor/tracing/benches/baseline.rs b/vendor/tracing/benches/baseline.rs
new file mode 100644
index 000000000..93c14f422
--- /dev/null
+++ b/vendor/tracing/benches/baseline.rs
@@ -0,0 +1,24 @@
+use criterion::{black_box, criterion_group, criterion_main, Criterion};
+
+fn bench(c: &mut Criterion) {
+    use std::sync::atomic::{AtomicUsize, Ordering};
+
+    let mut group = c.benchmark_group("comparison");
+    group.bench_function("relaxed_load", |b| {
+        let foo = AtomicUsize::new(1);
+        b.iter(|| black_box(foo.load(Ordering::Relaxed)));
+    });
+    group.bench_function("acquire_load", |b| {
+        let foo = AtomicUsize::new(1);
+        b.iter(|| black_box(foo.load(Ordering::Acquire)))
+    });
+    group.bench_function("log", |b| {
+        b.iter(|| {
+            log::log!(log::Level::Info, "log");
+        })
+    });
+    group.finish();
+}
+
+criterion_group!(benches, bench);
+criterion_main!(benches);
diff --git a/vendor/tracing/benches/dispatch_get_clone.rs b/vendor/tracing/benches/dispatch_get_clone.rs
new file mode 100644
index 000000000..15577c696
--- /dev/null
+++ b/vendor/tracing/benches/dispatch_get_clone.rs
@@ -0,0 +1,15 @@
+use criterion::{black_box, criterion_group, criterion_main, Criterion};
+
+mod shared;
+
+fn bench(c: &mut Criterion) {
+    shared::for_all_dispatches(&mut c.benchmark_group("Dispatch::get_clone"), |b| {
+        b.iter(|| {
+            let current = tracing::dispatcher::get_default(|current| current.clone());
+            black_box(current);
+        })
+    });
+}
+
+criterion_group!(benches, bench);
+criterion_main!(benches);
diff --git a/vendor/tracing/benches/dispatch_get_ref.rs b/vendor/tracing/benches/dispatch_get_ref.rs
new file mode 100644
index 000000000..a59c34379
--- /dev/null
+++ b/vendor/tracing/benches/dispatch_get_ref.rs
@@ -0,0 +1,16 @@
+use criterion::{black_box, criterion_group, criterion_main, Criterion};
+
+mod shared;
+
+fn bench(c: &mut Criterion) {
+    shared::for_all_dispatches(&mut c.benchmark_group("Dispatch::get_ref"), |b| {
+        b.iter(|| {
+            tracing::dispatcher::get_default(|current| {
+                black_box(&current);
+            })
+        })
+    });
+}
+
+criterion_group!(benches, bench);
+criterion_main!(benches);
diff --git a/vendor/tracing/benches/empty_span.rs b/vendor/tracing/benches/empty_span.rs
new file mode 100644
index 000000000..fb38b08e1
--- /dev/null
+++ b/vendor/tracing/benches/empty_span.rs
@@ -0,0 +1,43 @@
+use criterion::{black_box, criterion_group, criterion_main, Criterion};
+
+mod shared;
+
+fn bench(c: &mut Criterion) {
+    let mut group = c.benchmark_group("empty_span");
+    shared::for_all_dispatches(&mut group, |b| {
+        b.iter(|| {
+            let span = tracing::span::Span::none();
+            black_box(&span);
+        })
+    });
+    group.bench_function("baseline_struct", |b| {
+        b.iter(|| {
+            let span = FakeEmptySpan::new();
+            black_box(&span);
+        })
+    });
+}
+
+struct FakeEmptySpan {
+    inner: Option<(usize, std::sync::Arc<()>)>,
+    meta: Option<&'static ()>,
+}
+
+impl FakeEmptySpan {
+    fn new() -> Self {
+        Self {
+            inner: None,
+            meta: None,
+        }
+    }
+}
+
+impl Drop for FakeEmptySpan {
+    fn drop(&mut self) {
+        black_box(&self.inner);
+        black_box(&self.meta);
+    }
+}
+
+criterion_group!(benches, bench);
+criterion_main!(benches);
diff --git a/vendor/tracing/benches/enter_span.rs b/vendor/tracing/benches/enter_span.rs
new file mode 100644
index 000000000..757350a53
--- /dev/null
+++ b/vendor/tracing/benches/enter_span.rs
@@ -0,0 +1,16 @@
+use criterion::{criterion_group, criterion_main, Criterion};
+use tracing::{span, Level};
+
+mod shared;
+
+fn bench(c: &mut Criterion) {
+    shared::for_all_dispatches(&mut c.benchmark_group("enter_span"), |b| {
+        let span = span!(Level::TRACE, "span");
+        b.iter(|| {
+            let _span = span.enter();
+        })
+    });
+}
+
+criterion_group!(benches, bench);
+criterion_main!(benches);
diff --git a/vendor/tracing/benches/event.rs b/vendor/tracing/benches/event.rs
new file mode 100644
index 000000000..164932548
--- /dev/null
+++ b/vendor/tracing/benches/event.rs
@@ -0,0 +1,12 @@
+use criterion::{criterion_group, criterion_main, Criterion};
+
+mod shared;
+
+fn bench(c: &mut Criterion) {
+    shared::for_all_recording(&mut c.benchmark_group("event"), |b| {
+        b.iter(|| tracing::info!("hello world!"))
+    });
+}
+
+criterion_group!(benches, bench);
+criterion_main!(benches);
diff --git a/vendor/tracing/benches/global_subscriber.rs b/vendor/tracing/benches/global_subscriber.rs
deleted file mode 100644
index 83519610a..000000000
--- a/vendor/tracing/benches/global_subscriber.rs
+++ /dev/null
@@ -1,136 +0,0 @@
-use std::fmt::Write;
-
-use criterion::{black_box, criterion_group, criterion_main, Criterion};
-use tracing::Level;
-
-use tracing::{span, Event, Id, Metadata};
-
-/// A subscriber that is enabled but otherwise does nothing.
-struct EnabledSubscriber;
-
-impl tracing::Subscriber for EnabledSubscriber {
-    fn new_span(&self, span: &span::Attributes<'_>) -> Id {
-        let _ = span;
-        Id::from_u64(0xDEAD_FACE)
-    }
-
-    fn event(&self, event: &Event<'_>) {
-        let _ = event;
-    }
-
-    fn record(&self, span: &Id, values: &span::Record<'_>) {
-        let _ = (span, values);
-    }
-
-    fn record_follows_from(&self, span: &Id, follows: &Id) {
-        let _ = (span, follows);
-    }
-
-    fn enabled(&self, metadata: &Metadata<'_>) -> bool {
-        let _ = metadata;
-        true
-    }
-
-    fn enter(&self, span: &Id) {
-        let _ = span;
-    }
-
-    fn exit(&self, span: &Id) {
-        let _ = span;
-    }
-}
-
-const NOP_LOGGER: NopLogger = NopLogger;
-
-struct NopLogger;
-
-impl log::Log for NopLogger {
-    fn enabled(&self, _metadata: &log::Metadata) -> bool {
-        true
-    }
-
-    fn log(&self, record: &log::Record) {
-        if self.enabled(record.metadata()) {
-            let mut this = self;
-            let _ = write!(this, "{}", record.args());
-        }
-    }
-
-    fn flush(&self) {}
-}
-
-impl Write for &NopLogger {
-    fn write_str(&mut self, s: &str) -> std::fmt::Result {
-        black_box(s);
-        Ok(())
-    }
-}
-
-const N_SPANS: usize = 100;
-
-fn criterion_benchmark(c: &mut Criterion) {
-    let mut c = c.benchmark_group("global/subscriber");
-    let _ = tracing::subscriber::set_global_default(EnabledSubscriber);
-    let _ = log::set_logger(&NOP_LOGGER);
-    log::set_max_level(log::LevelFilter::Trace);
-    c.bench_function("span_no_fields", |b| b.iter(|| span!(Level::TRACE, "span")));
-
-    c.bench_function("event", |b| {
-        b.iter(|| {
-            tracing::event!(Level::TRACE, "hello");
-        })
-    });
-
-    c.bench_function("enter_span", |b| {
-        let span = span!(Level::TRACE, "span");
-        #[allow(clippy::unit_arg)]
-        b.iter(|| black_box(span.in_scope(|| {})))
-    });
-
-    c.bench_function("span_repeatedly", |b| {
-        #[inline]
-        fn mk_span(i: u64) -> tracing::Span {
-            span!(Level::TRACE, "span", i = i)
-        }
-
-        let n = black_box(N_SPANS);
-        b.iter(|| (0..n).fold(mk_span(0), |_, i| mk_span(i as u64)))
-    });
-
-    c.bench_function("span_with_fields", |b| {
-        b.iter(|| {
-            span!(
-                Level::TRACE,
-                "span",
-                foo = "foo",
-                bar = "bar",
-                baz = 3,
-                quuux = tracing::field::debug(0.99)
-            )
-        });
-    });
-}
-
-fn bench_dispatch(c: &mut Criterion) {
-    let mut group = c.benchmark_group("global/dispatch");
-    let _ = tracing::subscriber::set_global_default(EnabledSubscriber);
-    let _ = log::set_logger(&NOP_LOGGER);
-    log::set_max_level(log::LevelFilter::Trace);
-    group.bench_function("get_ref", |b| {
-        b.iter(|| {
-            tracing::dispatcher::get_default(|current| {
-                black_box(&current);
-            })
-        })
-    });
-    group.bench_function("get_clone", |b| {
-        b.iter(|| {
-            let current = tracing::dispatcher::get_default(|current| current.clone());
-            black_box(current);
-        })
-    });
-    group.finish();
-}
-
-criterion_group!(benches, criterion_benchmark, bench_dispatch);
-criterion_main!(benches);
diff --git a/vendor/tracing/benches/no_subscriber.rs b/vendor/tracing/benches/no_subscriber.rs
deleted file mode 100644
index e0f82b56a..000000000
--- a/vendor/tracing/benches/no_subscriber.rs
+++ /dev/null
@@ -1,101 +0,0 @@
-use criterion::{black_box, criterion_group, criterion_main, Criterion};
-use tracing::Level;
-
-struct FakeEmptySpan {
-    inner: Option<(usize, std::sync::Arc<()>)>,
-    meta: Option<&'static ()>,
-}
-
-impl FakeEmptySpan {
-    fn new() -> Self {
-        Self {
-            inner: None,
-            meta: None,
-        }
-    }
-}
-
-impl Drop for FakeEmptySpan {
-    fn drop(&mut self) {
-        black_box(&self.inner);
-        black_box(&self.meta);
-    }
-}
-
-fn bench_no_subscriber(c: &mut Criterion) {
-    use std::sync::atomic::{AtomicUsize, Ordering};
-
-    let mut group = c.benchmark_group("no_subscriber");
-
-    group.bench_function("span", |b| {
-        b.iter(|| {
-            let span = tracing::span!(Level::TRACE, "span");
-            black_box(&span);
-        })
-    });
-    group.bench_function("span_enter", |b| {
-        b.iter(|| {
-            let span = tracing::span!(Level::TRACE, "span");
-            let _e = span.enter();
-        })
-    });
-    group.bench_function("empty_span", |b| {
-        b.iter(|| {
-            let span = tracing::span::Span::none();
-            black_box(&span);
-        });
-    });
-    group.bench_function("empty_struct", |b| {
-        b.iter(|| {
-            let span = FakeEmptySpan::new();
-            black_box(&span);
-        })
-    });
-    group.bench_function("event", |b| {
-        b.iter(|| {
-            tracing::event!(Level::TRACE, "hello");
-        })
-    });
-    group.bench_function("relaxed_load", |b| {
-        let foo = AtomicUsize::new(1);
-        b.iter(|| black_box(foo.load(Ordering::Relaxed)));
-    });
-    group.bench_function("acquire_load", |b| {
-        let foo = AtomicUsize::new(1);
-        b.iter(|| black_box(foo.load(Ordering::Acquire)))
-    });
-    group.bench_function("log", |b| {
-        b.iter(|| {
-            log::log!(log::Level::Info, "log");
-        })
-    });
-    group.finish();
-}
-
-fn bench_fields(c: &mut Criterion) {
-    let mut group = c.benchmark_group("no_subscriber_field");
-    group.bench_function("span", |b| {
-        b.iter(|| {
-            black_box(tracing::span!(
-                Level::TRACE,
-                "span",
-                foo = tracing::field::display(format!("bar {:?}", 2))
-            ));
-        })
-    });
-    group.bench_function("event", |b| {
-        b.iter(|| {
-            tracing::event!(
-                Level::TRACE,
-                foo = tracing::field::display(format!("bar {:?}", 2))
-            );
-        })
-    });
-    group.bench_function("log", |b| {
-        b.iter(|| log::log!(log::Level::Trace, "{}", format!("bar {:?}", 2)))
-    });
-    group.finish();
-}
-
-criterion_group!(benches, bench_no_subscriber, bench_fields);
-criterion_main!(benches);
diff --git a/vendor/tracing/benches/shared.rs b/vendor/tracing/benches/shared.rs
new file mode 100644
index 000000000..56508c4ab
--- /dev/null
+++ b/vendor/tracing/benches/shared.rs
@@ -0,0 +1,160 @@
+#![allow(dead_code)]
+use criterion::{black_box, measurement::WallTime, Bencher};
+use tracing::{field, span, Event, Id, Metadata};
+
+use std::{
+    fmt::{self, Write},
+    sync::{Mutex, MutexGuard},
+};
+
+pub fn for_all_recording(
+    group: &mut criterion::BenchmarkGroup<'_, WallTime>,
+    mut iter: impl FnMut(&mut Bencher<'_, WallTime>),
+) {
+    // first, run benchmarks with no subscriber
+    group.bench_function("none", &mut iter);
+
+    // then, run benchmarks with a scoped default subscriber
+    tracing::subscriber::with_default(EnabledSubscriber, || {
+        group.bench_function("scoped", &mut iter)
+    });
+
+    let subscriber = VisitingSubscriber(Mutex::new(String::from("")));
+    tracing::subscriber::with_default(subscriber, || {
+        group.bench_function("scoped_recording", &mut iter);
+    });
+
+    // finally, set a global default subscriber, and run the benchmarks again.
+    tracing::subscriber::set_global_default(EnabledSubscriber)
+        .expect("global default should not have already been set!");
+    let _ = log::set_logger(&NOP_LOGGER);
+    log::set_max_level(log::LevelFilter::Trace);
+    group.bench_function("global", &mut iter);
+}
+
+pub fn for_all_dispatches(
+    group: &mut criterion::BenchmarkGroup<'_, WallTime>,
+    mut iter: impl FnMut(&mut Bencher<'_, WallTime>),
+) {
+    // first, run benchmarks with no subscriber
+    group.bench_function("none", &mut iter);
+
+    // then, run benchmarks with a scoped default subscriber
+    tracing::subscriber::with_default(EnabledSubscriber, || {
+        group.bench_function("scoped", &mut iter)
+    });
+
+    // finally, set a global default subscriber, and run the benchmarks again.
+    tracing::subscriber::set_global_default(EnabledSubscriber)
+        .expect("global default should not have already been set!");
+    let _ = log::set_logger(&NOP_LOGGER);
+    log::set_max_level(log::LevelFilter::Trace);
+    group.bench_function("global", &mut iter);
+}
+
+const NOP_LOGGER: NopLogger = NopLogger;
+
+struct NopLogger;
+
+impl log::Log for NopLogger {
+    fn enabled(&self, _metadata: &log::Metadata) -> bool {
+        true
+    }
+
+    fn log(&self, record: &log::Record) {
+        if self.enabled(record.metadata()) {
+            let mut this = self;
+            let _ = write!(this, "{}", record.args());
+        }
+    }
+
+    fn flush(&self) {}
+}
+
+impl Write for &NopLogger {
+    fn write_str(&mut self, s: &str) -> std::fmt::Result {
+        black_box(s);
+        Ok(())
+    }
+}
+
+/// Simulates a subscriber that records span data.
+struct VisitingSubscriber(Mutex<String>);
+
+struct Visitor<'a>(MutexGuard<'a, String>);
+
+impl<'a> field::Visit for Visitor<'a> {
+    fn record_debug(&mut self, _field: &field::Field, value: &dyn fmt::Debug) {
+        let _ = write!(&mut *self.0, "{:?}", value);
+    }
+}
+
+impl tracing::Subscriber for VisitingSubscriber {
+    fn new_span(&self, span: &span::Attributes<'_>) -> Id {
+        let mut visitor = Visitor(self.0.lock().unwrap());
+        span.record(&mut visitor);
+        Id::from_u64(0xDEAD_FACE)
+    }
+
+    fn record(&self, _span: &Id, values: &span::Record<'_>) {
+        let mut visitor = Visitor(self.0.lock().unwrap());
+        values.record(&mut visitor);
+    }
+
+    fn event(&self, event: &Event<'_>) {
+        let mut visitor = Visitor(self.0.lock().unwrap());
+        event.record(&mut visitor);
+    }
+
+    fn record_follows_from(&self, span: &Id, follows: &Id) {
+        let _ = (span, follows);
+    }
+
+    fn enabled(&self, metadata: &Metadata<'_>) -> bool {
+        let _ = metadata;
+        true
+    }
+
+    fn enter(&self, span: &Id) {
+        let _ = span;
+    }
+
+    fn exit(&self, span: &Id) {
+        let _ = span;
+    }
+}
+
+/// A subscriber that is enabled but otherwise does nothing.
+struct EnabledSubscriber;
+
+impl tracing::Subscriber for EnabledSubscriber {
+    fn new_span(&self, span: &span::Attributes<'_>) -> Id {
+        let _ = span;
+        Id::from_u64(0xDEAD_FACE)
+    }
+
+    fn event(&self, event: &Event<'_>) {
+        let _ = event;
+    }
+
+    fn record(&self, span: &Id, values: &span::Record<'_>) {
+        let _ = (span, values);
+    }
+
+    fn record_follows_from(&self, span: &Id, follows: &Id) {
+        let _ = (span, follows);
+    }
+
+    fn enabled(&self, metadata: &Metadata<'_>) -> bool {
+        let _ = metadata;
+        true
+    }
+
+    fn enter(&self, span: &Id) {
+        let _ = span;
+    }
+
+    fn exit(&self, span: &Id) {
+        let _ = span;
+    }
+}
diff --git a/vendor/tracing/benches/span_fields.rs b/vendor/tracing/benches/span_fields.rs
new file mode 100644
index 000000000..5ad828982
--- /dev/null
+++ b/vendor/tracing/benches/span_fields.rs
@@ -0,0 +1,23 @@
+use criterion::{criterion_group, criterion_main, Criterion};
+use tracing::{span, Level};
+
+mod shared;
+
+fn bench(c: &mut Criterion) {
+    shared::for_all_recording(&mut c.benchmark_group("span_fields"), |b| {
+        b.iter(|| {
+            let span = span!(
+                Level::TRACE,
+                "span",
+                foo = "foo",
+                bar = "bar",
+                baz = 3,
+                quuux = tracing::field::debug(0.99)
+            );
+            criterion::black_box(span)
+        })
+    });
+}
+
+criterion_group!(benches, bench);
+criterion_main!(benches);
diff --git a/vendor/tracing/benches/span_no_fields.rs b/vendor/tracing/benches/span_no_fields.rs
new file mode 100644
index 000000000..8a1ff6e04
--- /dev/null
+++ b/vendor/tracing/benches/span_no_fields.rs
@@ -0,0 +1,13 @@
+use criterion::{criterion_group, criterion_main, Criterion};
+use tracing::{span, Level};
+
+mod shared;
+
+fn bench(c: &mut Criterion) {
+    shared::for_all_recording(&mut c.benchmark_group("span_no_fields"), |b| {
+        b.iter(|| span!(Level::TRACE, "span"))
+    });
+}
+
+criterion_group!(benches, bench);
+criterion_main!(benches);
diff --git a/vendor/tracing/benches/span_repeated.rs b/vendor/tracing/benches/span_repeated.rs
new file mode 100644
index 000000000..4c6ac409d
--- /dev/null
+++ b/vendor/tracing/benches/span_repeated.rs
@@ -0,0 +1,20 @@
+use criterion::{black_box, criterion_group, criterion_main, Criterion};
+use tracing::{span, Level};
+
+mod shared;
+
+fn bench(c: &mut Criterion) {
+    shared::for_all_recording(&mut c.benchmark_group("span_repeated"), |b| {
+        let n = black_box(N_SPANS);
+        b.iter(|| (0..n).fold(mk_span(0), |_, i| mk_span(i as u64)))
+    });
+}
+
+#[inline]
+fn mk_span(i: u64) -> tracing::Span {
+    span!(Level::TRACE, "span", i = i)
+}
+
+const N_SPANS: usize = 100;
+criterion_group!(benches, bench);
+criterion_main!(benches);
diff --git a/vendor/tracing/benches/subscriber.rs b/vendor/tracing/benches/subscriber.rs
deleted file mode 100644
index c6418010f..000000000
--- a/vendor/tracing/benches/subscriber.rs
+++ /dev/null
@@ -1,189 +0,0 @@
-use criterion::{black_box, criterion_group, criterion_main, Criterion};
-use tracing::Level;
-
-use std::{
-    fmt,
-    sync::{Mutex, MutexGuard},
-};
-use tracing::{field, span, Event, Id, Metadata};
-
-/// A subscriber that is enabled but otherwise does nothing.
-struct EnabledSubscriber;
-
-impl tracing::Subscriber for EnabledSubscriber {
-    fn new_span(&self, span: &span::Attributes<'_>) -> Id {
-        let _ = span;
-        Id::from_u64(0xDEAD_FACE)
-    }
-
-    fn event(&self, event: &Event<'_>) {
-        let _ = event;
-    }
-
-    fn record(&self, span: &Id, values: &span::Record<'_>) {
-        let _ = (span, values);
-    }
-
-    fn record_follows_from(&self, span: &Id, follows: &Id) {
-        let _ = (span, follows);
-    }
-
-    fn enabled(&self, metadata: &Metadata<'_>) -> bool {
-        let _ = metadata;
-        true
-    }
-
-    fn enter(&self, span: &Id) {
-        let _ = span;
-    }
-
-    fn exit(&self, span: &Id) {
-        let _ = span;
-    }
-}
-
-/// Simulates a subscriber that records span data.
-struct VisitingSubscriber(Mutex<String>);
-
-struct Visitor<'a>(MutexGuard<'a, String>);
-
-impl<'a> field::Visit for Visitor<'a> {
-    fn record_debug(&mut self, _field: &field::Field, value: &dyn fmt::Debug) {
-        use std::fmt::Write;
-        let _ = write!(&mut *self.0, "{:?}", value);
-    }
-}
-
-impl tracing::Subscriber for VisitingSubscriber {
-    fn new_span(&self, span: &span::Attributes<'_>) -> Id {
-        let mut visitor = Visitor(self.0.lock().unwrap());
-        span.record(&mut visitor);
-        Id::from_u64(0xDEAD_FACE)
-    }
-
-    fn record(&self, _span: &Id, values: &span::Record<'_>) {
-        let mut visitor = Visitor(self.0.lock().unwrap());
-        values.record(&mut visitor);
-    }
-
-    fn event(&self, event: &Event<'_>) {
-        let mut visitor = Visitor(self.0.lock().unwrap());
-        event.record(&mut visitor);
-    }
-
-    fn record_follows_from(&self, span: &Id, follows: &Id) {
-        let _ = (span, follows);
-    }
-
-    fn enabled(&self, metadata: &Metadata<'_>) -> bool {
-        let _ = metadata;
-        true
-    }
-
-    fn enter(&self, span: &Id) {
-        let _ = span;
-    }
-
-    fn exit(&self, span: &Id) {
-        let _ = span;
-    }
-}
-
-const N_SPANS: usize = 100;
-
-fn criterion_benchmark(c: &mut Criterion) {
-    c.bench_function("span_no_fields", |b| {
-        tracing::subscriber::with_default(EnabledSubscriber, || {
-            b.iter(|| span!(Level::TRACE, "span"))
-        });
-    });
-
-    c.bench_function("enter_span", |b| {
-        tracing::subscriber::with_default(EnabledSubscriber, || {
-            let span = span!(Level::TRACE, "span");
-            #[allow(clippy::unit_arg)]
-            b.iter(|| black_box(span.in_scope(|| {})))
-        });
-    });
-
-    c.bench_function("span_repeatedly", |b| {
-        #[inline]
-        fn mk_span(i: u64) -> tracing::Span {
-            span!(Level::TRACE, "span", i = i)
-        }
-
-        let n = black_box(N_SPANS);
-        tracing::subscriber::with_default(EnabledSubscriber, || {
-            b.iter(|| (0..n).fold(mk_span(0), |_, i| mk_span(i as u64)))
-        });
-    });
-
-    c.bench_function("span_with_fields", |b| {
-        tracing::subscriber::with_default(EnabledSubscriber, || {
-            b.iter(|| {
-                span!(
-                    Level::TRACE,
-                    "span",
-                    foo = "foo",
-                    bar = "bar",
-                    baz = 3,
-                    quuux = tracing::field::debug(0.99)
-                )
-            })
-        });
-    });
-
-    c.bench_function("span_with_fields_record", |b| {
-        let subscriber = VisitingSubscriber(Mutex::new(String::from("")));
-        tracing::subscriber::with_default(subscriber, || {
-            b.iter(|| {
-                span!(
-                    Level::TRACE,
-                    "span",
-                    foo = "foo",
-                    bar = "bar",
-                    baz = 3,
-                    quuux = tracing::field::debug(0.99)
-                )
-            })
-        });
-    });
-}
-
-fn bench_dispatch(c: &mut Criterion) {
-    let mut group = c.benchmark_group("dispatch");
-    group.bench_function("no_dispatch_get_ref", |b| {
-        b.iter(|| {
-            tracing::dispatcher::get_default(|current| {
-                black_box(&current);
-            })
-        })
-    });
-    group.bench_function("no_dispatch_get_clone", |b| {
-        b.iter(|| {
-            let current = tracing::dispatcher::get_default(|current| current.clone());
-            black_box(current);
-        })
-    });
-    group.bench_function("get_ref", |b| {
-        tracing::subscriber::with_default(EnabledSubscriber, || {
-            b.iter(|| {
-                tracing::dispatcher::get_default(|current| {
-                    black_box(&current);
-                })
-            })
-        })
-    });
-    group.bench_function("get_clone", |b| {
-        tracing::subscriber::with_default(EnabledSubscriber, || {
-            b.iter(|| {
-                let current = tracing::dispatcher::get_default(|current| current.clone());
-                black_box(current);
-            })
-        })
-    });
-    group.finish();
-}
-
-criterion_group!(benches, criterion_benchmark, bench_dispatch);
-criterion_main!(benches);