correct rustc_log

Author: SparrowLii

compiler/rustc_log/src/lib.rs

@@ -82,8 +82,6 @@ pub fn init_env_logger(env: &str) -> Result<(), Error> {
         .with_verbose_exit(verbose_entry_exit)
         .with_verbose_entry(verbose_entry_exit)
         .with_indent_amount(2);
-    #[cfg(all(parallel_compiler, debug_assertions))]
-    let layer = layer.with_thread_ids(true).with_thread_names(true);
 
     let subscriber = tracing_subscriber::Registry::default().with(filter).with(layer);
     match env::var(format!("{env}_BACKTRACE")) {