Auto merge of #78767 - m-ou-se:rollup-eu5wgxl, r=m-ou-se

Rollup of 15 pull requests

Successful merges:

 - #76718 (Move Vec UI tests to unit tests when possible)
 - #78093 (Clean up docs for 'as' keyword)
 - #78425 (Move f64::NAN ui tests into `library`)
 - #78465 (Change as_str → to_string in proc_macro::Ident::span() docs)
 - #78584 (Add keyboard handling to the theme picker menu)
 - #78716 (Array trait impl comment/doc fixes)
 - #78727 ((rustdoc) fix test for trait impl display)
 - #78733 (fix a couple of clippy warnings:)
 - #78735 (Simplify the implementation of `get_mut` (no unsafe))
 - #78738 (Move range in ui test to ops test in library/core)
 - #78739 (Fix ICE on type error in async function)
 - #78742 (make intern_const_alloc_recursive return error)
 - #78756 (Update cargo)
 - #78757 (Improve and clean up some intra-doc links)
 - #78758 (Fixed typo in comment)

Failed merges:

r? `@ghost`
`@rustbot` modify labels: rollup

Author: bors

Cargo.lock

@@ -91,9 +91,9 @@ dependencies = [
 
 [[package]]
 name = "anyhow"
-version = "1.0.32"
+version = "1.0.34"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6b602bfe940d21c130f3895acd65221e8a61270debe89d628b9cb4e3ccb8569b"
+checksum = "bf8dcb5b4bbaa28653b647d8c77bd4ed40183b48882e130c1f1ffb73de069fd7"
 
 [[package]]
 name = "arc-swap"

compiler/rustc_ast/src/attr/mod.rs

@@ -360,7 +360,7 @@ pub fn list_contains_name(items: &[NestedMetaItem], name: Symbol) -> bool {
 impl MetaItem {
     fn token_trees_and_spacings(&self) -> Vec<TreeAndSpacing> {
         let mut idents = vec![];
-        let mut last_pos = BytePos(0 as u32);
+        let mut last_pos = BytePos(0_u32);
         for (i, segment) in self.path.segments.iter().enumerate() {
             let is_first = i == 0;
             if !is_first {