Auto merge of #40867 - alexcrichton:rollup, r=alexcrichton

Rollup of 19 pull requests

- Successful merges: #40317, #40516, #40524, #40606, #40683, #40751, #40778, #40813, #40818, #40819, #40824, #40828, #40832, #40833, #40837, #40849, #40852, #40853, #40865
- Failed merges:

1 files changed, 2 insertions, 2 deletions

diff --git a/src/librustdoc/html/render.rs b/src/librustdoc/html/render.rs
index 5c94032c6b9..612e765a499 100644
--- a/src/librustdoc/html/render.rs
+++ b/src/librustdoc/html/render.rs
@@ -2611,7 +2611,7 @@ fn render_attribute(attr: &ast::MetaItem) -> Option<String> {
     if attr.is_word() {
         Some(format!("{}", name))
     } else if let Some(v) = attr.value_str() {
-        Some(format!("{} = {:?}", name, &v.as_str()[..]))
+        Some(format!("{} = {:?}", name, v.as_str()))
     } else if let Some(values) = attr.meta_item_list() {
         let display: Vec<_> = values.iter().filter_map(|attr| {
             attr.meta_item().and_then(|mi| render_attribute(mi))
@@ -2642,7 +2642,7 @@ fn render_attributes(w: &mut fmt::Formatter, it: &clean::Item) -> fmt::Result {
 
     for attr in &it.attrs.other_attrs {
         let name = attr.name().unwrap();
-        if !ATTRIBUTE_WHITELIST.contains(&&name.as_str()[..]) {
+        if !ATTRIBUTE_WHITELIST.contains(&&*name.as_str()) {
             continue;
         }
         if let Some(s) = render_attribute(&attr.meta().unwrap()) {