Update crates/proc-macro-srv/src/lib.rs

Co-authored-by: Laurențiu Nicola <lnicola@users.noreply.github.com>

Author: umanwizard

crates/proc-macro-srv/src/lib.rs

@@ -71,7 +71,7 @@ impl ProcMacroSrv {
             let res = match s
                 .builder()
                 .stack_size(EXPANDER_STACK_SIZE)
-                .name(format!("macro_expander_{}", task.macro_name))
+                .name(task.macro_name.clone()))
                 .spawn(|_| {
                     expander
                         .expand(&task.macro_name, &macro_body, attributes.as_ref())