Fix CI (tokio-rs#3361)

* Implement PartialOrd for MatchPattern, MatchDebug in terms of Ord
* Fix missing link to supported regex syntax
* Update expected trybuild output
* Fix tracing_subscriber::Layer links

Author: jplatte

tracing-attributes/tests/ui/fail/async_instrument.stderr

@@ -33,20 +33,14 @@ error[E0277]: `(&str,)` doesn't implement `std::fmt::Display`
 16 | | }
    | | ^
    | | |
-   | |_`(&str,)` cannot be formatted with the default formatter
+   | |_the trait `std::fmt::Display` is not implemented for `(&str,)`
    |   return type was inferred to be `(&str,)` here
-   |
-   = help: the trait `std::fmt::Display` is not implemented for `(&str,)`
-   = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
 
 error[E0277]: `(&str,)` doesn't implement `std::fmt::Display`
   --> tests/ui/fail/async_instrument.rs:14:34
    |
 14 | async fn opaque_unsatisfied() -> impl std::fmt::Display {
-   |                                  ^^^^^^^^^^^^^^^^^^^^^^ `(&str,)` cannot be formatted with the default formatter
-   |
-   = help: the trait `std::fmt::Display` is not implemented for `(&str,)`
-   = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
+   |                                  ^^^^^^^^^^^^^^^^^^^^^^ the trait `std::fmt::Display` is not implemented for `(&str,)`
 
 error[E0308]: mismatched types
   --> tests/ui/fail/async_instrument.rs:22:5

tracing-journald/README.md

@@ -24,7 +24,7 @@ preserving structured information.
 
 [`tracing`] is a framework for instrumenting Rust programs to collect
 scoped, structured, and async-aware diagnostics. `tracing-journald` provides a
-[`tracing-subscriber::Layer`][layer] implementation for logging `tracing` spans
+[`tracing_subscriber::Layer`][layer] implementation for logging `tracing` spans
 and events to [`systemd-journald`][journald], on Linux distributions that use
 `systemd`.
 

tracing-journald/src/lib.rs

@@ -7,7 +7,7 @@
 //!
 //! [`tracing`] is a framework for instrumenting Rust programs to collect
 //! scoped, structured, and async-aware diagnostics. `tracing-journald` provides a
-//! [`tracing-subscriber::Layer`] implementation for logging `tracing` spans
+//! [`tracing_subscriber::Layer`] implementation for logging `tracing` spans
 //! and events to [`systemd-journald`][journald], on Linux distributions that
 //! use `systemd`.
 //!

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

@@ -334,7 +334,7 @@ impl Eq for MatchPattern {}
 impl PartialOrd for MatchPattern {
     #[inline]
     fn partial_cmp(&self, other: &Self) -> Option<Ordering> {
-        Some(self.pattern.cmp(&other.pattern))
+        Some(self.cmp(other))
     }
 }
 
@@ -430,7 +430,7 @@ impl Eq for MatchDebug {}
 impl PartialOrd for MatchDebug {
     #[inline]
     fn partial_cmp(&self, other: &Self) -> Option<Ordering> {
-        Some(self.pattern.cmp(&other.pattern))
+        Some(self.cmp(other))
     }
 }
 

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

@@ -78,8 +78,7 @@ use tracing_core::{
 /// instead.
 ///
 /// When field value filters are interpreted as regular expressions, the
-/// [`regex-automata` crate's regular expression syntax][re-syntax] is
-/// supported.
+/// [`regex` crate's regular expression syntax][re-syntax] is supported.
 ///
 /// **Note**: When filters are constructed from potentially untrusted inputs,
 /// [disabling regular expression matching](Builder::with_regex) is strongly
@@ -192,6 +191,7 @@ use tracing_core::{
 /// [global]: crate::layer#global-filtering
 /// [plf]: crate::layer#per-layer-filtering
 /// [filtering]: crate::layer#filtering-with-layers
+/// [re-syntax]: https://docs.rs/regex/1.11.1/regex/#syntax
 #[cfg_attr(docsrs, doc(cfg(all(feature = "env-filter", feature = "std"))))]
 #[derive(Debug)]
 pub struct EnvFilter {