Auto merge of #42964 - arielb1:rollup, r=arielb1

Rollup of 12 pull requests

- Successful merges: #42219, #42831, #42832, #42884, #42886, #42901, #42919, #42920, #42946, #42953, #42955, #42958
- Failed merges:

2 files changed, 4 insertions, 6 deletions

diff --git a/src/liballoc/allocator.rs b/src/liballoc/allocator.rs
index 9bddce29957..bf38629ed38 100644
--- a/src/liballoc/allocator.rs
+++ b/src/liballoc/allocator.rs
@@ -873,7 +873,7 @@ pub unsafe trait Alloc {
     {
         let k = Layout::new::<T>();
         if k.size() > 0 {
-            unsafe { self.alloc(k).map(|p|Unique::new(*p as *mut T)) }
+            unsafe { self.alloc(k).map(|p| Unique::new(p as *mut T)) }
         } else {
             Err(AllocErr::invalid_input("zero-sized type invalid for alloc_one"))
         }
diff --git a/src/liballoc/fmt.rs b/src/liballoc/fmt.rs
index 1bd95fb82aa..4847b21c0b3 100644
--- a/src/liballoc/fmt.rs
+++ b/src/liballoc/fmt.rs
@@ -498,12 +498,10 @@ pub use core::fmt::{DebugList, DebugMap, DebugSet, DebugStruct, DebugTuple};
 
 use string;
 
-/// The format function takes a precompiled format string and a list of
-/// arguments, to return the resulting formatted string.
+/// The `format` function takes an `Arguments` struct and returns the resulting
+/// formatted string.
 ///
-/// # Arguments
-///
-///   * args - a structure of arguments generated via the `format_args!` macro.
+/// The `Arguments` instance can be created with the `format_args!` macro.
 ///
 /// # Examples
 ///