refactor: setup tracing-subscriber

Author: weihanglo

crates/xtask-bump-check/src/main.rs

@@ -2,6 +2,8 @@ mod xtask;
 
 fn main() {
     env_logger::init_from_env("CARGO_LOG");
+    setup_logger();
+
     let cli = xtask::cli();
     let matches = cli.get_matches();
 
@@ -13,3 +15,13 @@ fn main() {
         cargo::exit_with_error(e, &mut config.shell())
     }
 }
+
+// In sync with `src/bin/cargo/main.rs@setup_logger`.
+fn setup_logger() {
+    let env = tracing_subscriber::EnvFilter::from_env("CARGO_LOG");
+
+    tracing_subscriber::fmt()
+        .with_writer(std::io::stderr)
+        .with_env_filter(env)
+        .init();
+}

src/bin/cargo/main.rs

@@ -25,6 +25,8 @@ fn main() {
     #[cfg(not(feature = "pretty-env-logger"))]
     env_logger::init_from_env("CARGO_LOG");
 
+    setup_logger();
+
     let mut config = cli::LazyConfig::new();
 
     let result = if let Some(lock_addr) = cargo::ops::fix_get_proxy_lock_addr() {
@@ -40,6 +42,15 @@ fn main() {
     }
 }
 
+fn setup_logger() {
+    let env = tracing_subscriber::EnvFilter::from_env("CARGO_LOG");
+
+    tracing_subscriber::fmt()
+        .with_writer(std::io::stderr)
+        .with_env_filter(env)
+        .init();
+}
+
 /// Table for defining the aliases which come builtin in `Cargo`.
 /// The contents are structured as: `(alias, aliased_command, description)`.
 const BUILTIN_ALIASES: [(&str, &str, &str); 6] = [