Rollup merge of #69567 - matthiaskrgr:useless_fmt, r=nagisa

use .to_string() instead of format!() macro to create strings

handles what is left after https://github.com/rust-lang/rust/pull/69541

1 files changed, 1 insertions, 1 deletions

diff --git a/src/librustc/query/mod.rs b/src/librustc/query/mod.rs
index 69698eabac4..f3249f5014d 100644
--- a/src/librustc/query/mod.rs
+++ b/src/librustc/query/mod.rs
@@ -18,7 +18,7 @@ use std::borrow::Cow;
 
 fn describe_as_module(def_id: DefId, tcx: TyCtxt<'_>) -> String {
     if def_id.is_top_level_module() {
-        format!("top-level module")
+        "top-level module".to_string()
     } else {
         format!("module `{}`", tcx.def_path_str(def_id))
     }