clean up few alloc

3 files changed, 3 insertions, 3 deletions

diff --git a/src/librustdoc/html/format.rs b/src/librustdoc/html/format.rs
index 27010b771d3..51646772b67 100644
--- a/src/librustdoc/html/format.rs
+++ b/src/librustdoc/html/format.rs
@@ -1480,7 +1480,7 @@ pub(crate) fn visibility_print_with_space<'a, 'tcx: 'a>(
                 debug!("path={:?}", path);
                 // modified from `resolved_path()` to work with `DefPathData`
                 let last_name = path.data.last().unwrap().data.get_opt_name().unwrap();
-                let anchor = anchor(vis_did, last_name, cx).to_string();
+                let anchor = anchor(vis_did, last_name, cx);
 
                 let mut s = "pub(in ".to_owned();
                 for seg in &path.data[..path.data.len() - 1] {
diff --git a/src/librustdoc/html/render/context.rs b/src/librustdoc/html/render/context.rs
index 63cd0e04a28..ac5054ce1b6 100644
--- a/src/librustdoc/html/render/context.rs
+++ b/src/librustdoc/html/render/context.rs
@@ -352,7 +352,7 @@ impl<'tcx> Context<'tcx> {
                 },
             );
 
-            path = href.into_inner().to_string_lossy().to_string();
+            path = href.into_inner().to_string_lossy().into_owned();
 
             if let Some(c) = path.as_bytes().last() && *c != b'/' {
                 path.push('/');
diff --git a/src/librustdoc/html/sources.rs b/src/librustdoc/html/sources.rs
index 2c90bf4fadc..be9d1c408ec 100644
--- a/src/librustdoc/html/sources.rs
+++ b/src/librustdoc/html/sources.rs
@@ -85,7 +85,7 @@ impl LocalSourcesCollector<'_, '_> {
             },
         );
 
-        let mut href = href.into_inner().to_string_lossy().to_string();
+        let mut href = href.into_inner().to_string_lossy().into_owned();
         if let Some(c) = href.as_bytes().last() && *c != b'/' {
             href.push('/');
         }