Bump matchers. Add dependency on regex_automata with std.

Author: oscargus

tracing-subscriber/Cargo.toml

@@ -27,7 +27,7 @@ rust-version = "1.63.0"
 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/src/filter/env/field.rs

@@ -234,7 +234,7 @@ 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> {
+    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 +279,7 @@ 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 {