Tracing bug reproduction

.gitignore

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+/target
+
+
+# Added by cargo
+#
+# already existing elements were commented out
+
+#/target

Cargo.toml

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+[package]
+name = "collab"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+tracing-subscriber = { version = "0.3.18", features = [
+    "env-filter",
+    "json",
+    "registry",
+    "tracing-log",
+] }
+tracing-core = "0.1.32"
+tracing = "0.1.40"
+log = "0.4.21"
+[[bin]]
+name = "collab"
+path = "src/main.rs"

src/main.rs

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+use std::str::FromStr;
+
+use tracing_subscriber::{layer::SubscriberExt, util::SubscriberInitExt, Layer};
+
+fn main() {
+    let filter = tracing_subscriber::filter::EnvFilter::from_str("warn,collab=info").unwrap();
+
+    tracing_subscriber::registry()
+        .with(Box::new(
+            tracing_subscriber::fmt::layer().with_filter(filter),
+        ))
+        .init();
+
+    let _ = log::log_enabled!(
+        target: "sqlx",
+        log::Level::Info
+    );
+
+    tracing::error!("ERROR");
+    tracing::warn!("WARN");
+    tracing::info!("INFO");
+}