diff --git a/azure-pipelines.yml b/azure-pipelines.yml
index 7183c290..288735a9 100644
--- a/azure-pipelines.yml
+++ b/azure-pipelines.yml
@@ -21,7 +21,7 @@ stages:
               rustup_toolchain: stable
             linux-pinned:
               imageName: 'ubuntu-20.04'
-              rustup_toolchain: 1.61.0
+              rustup_toolchain: 1.63.0
         pool:
           vmImage: $(imageName)
         steps:
diff --git a/components/content/src/pagination.rs b/components/content/src/pagination.rs
index 12135142..b1680d22 100644
--- a/components/content/src/pagination.rs
+++ b/components/content/src/pagination.rs
@@ -211,7 +211,7 @@ impl<'a> Paginator<'a> {
         } else {
             format!("{}{}/", self.permalink, self.paginate_path)
         };
-        paginator.insert("base_url", to_value(&base_url).unwrap());
+        paginator.insert("base_url", to_value(base_url).unwrap());
         paginator.insert("pages", to_value(&current_pager.pages).unwrap());
         paginator.insert("current_index", to_value(current_pager.index).unwrap());
         paginator.insert("total_pages", to_value(self.all_pages.len()).unwrap());
diff --git a/components/site/src/lib.rs b/components/site/src/lib.rs
index f25b6af8..03d301a2 100644
--- a/components/site/src/lib.rs
+++ b/components/site/src/lib.rs
@@ -174,8 +174,8 @@ impl Site {
         let mut allowed_index_filenames: Vec<_> = self
             .config
             .other_languages()
-            .iter()
-            .map(|(code, _)| format!("_index.{}.md", code))
+            .keys()
+            .map(|code| format!("_index.{}.md", code))
             .collect();
         allowed_index_filenames.push("_index.md".to_string());
 
@@ -796,11 +796,11 @@ impl Site {
         )?;
         let (path, content) = match &self.config.search.index_format {
             IndexFormat::ElasticlunrJson => {
-                let path = self.output_path.join(&format!("search_index.{}.json", lang));
+                let path = self.output_path.join(format!("search_index.{}.json", lang));
                 (path, index_json)
             }
             IndexFormat::ElasticlunrJavascript => {
-                let path = self.output_path.join(&format!("search_index.{}.js", lang));
+                let path = self.output_path.join(format!("search_index.{}.js", lang));
                 let content = format!("window.searchIndex = {};", index_json);
                 (path, content)
             }
diff --git a/components/templates/src/filters.rs b/components/templates/src/filters.rs
index 4360b46a..b5df4705 100644
--- a/components/templates/src/filters.rs
+++ b/components/templates/src/filters.rs
@@ -62,7 +62,7 @@ pub fn base64_encode<S: BuildHasher>(
     _: &HashMap<String, Value, S>,
 ) -> TeraResult<Value> {
     let s = try_get_value!("base64_encode", "value", String, value);
-    Ok(to_value(&encode(s.as_bytes())).unwrap())
+    Ok(to_value(encode(s.as_bytes())).unwrap())
 }
 
 pub fn base64_decode<S: BuildHasher>(
@@ -70,7 +70,7 @@ pub fn base64_decode<S: BuildHasher>(
     _: &HashMap<String, Value, S>,
 ) -> TeraResult<Value> {
     let s = try_get_value!("base64_decode", "value", String, value);
-    Ok(to_value(&String::from_utf8(decode(s.as_bytes()).unwrap()).unwrap()).unwrap())
+    Ok(to_value(String::from_utf8(decode(s.as_bytes()).unwrap()).unwrap()).unwrap())
 }
 
 #[derive(Debug)]
diff --git a/components/templates/src/global_fns/files.rs b/components/templates/src/global_fns/files.rs
index 00ddaa28..313f0098 100644
--- a/components/templates/src/global_fns/files.rs
+++ b/components/templates/src/global_fns/files.rs
@@ -125,7 +125,7 @@ impl TeraFn for GetUrl {
                     &self.output_path,
                 )
                 .map_err(|e| format!("`get_url`: {}", e))?
-                .and_then(|(p, _)| fs::File::open(&p).ok())
+                .and_then(|(p, _)| fs::File::open(p).ok())
                 .and_then(|mut f| {
                     let mut contents = String::new();
 
diff --git a/components/templates/src/global_fns/images.rs b/components/templates/src/global_fns/images.rs
index e9aad501..c1983f22 100644
--- a/components/templates/src/global_fns/images.rs
+++ b/components/templates/src/global_fns/images.rs
@@ -127,7 +127,7 @@ impl TeraFn for GetImageMetadata {
             return Ok(cached_result.clone());
         }
 
-        let response = imageproc::read_image_metadata(&src_path)
+        let response = imageproc::read_image_metadata(src_path)
             .map_err(|e| format!("`resize_image`: {}", e))?;
         let out = to_value(response).unwrap();
         cache.insert(unified_path, out.clone());