Auto merge of #58777 - Centril:rollup, r=Centril

Rollup of 14 pull requests

Successful merges:

 - #58075 (Fix for issue  #58050)
 - #58627 (rustdoc: move collapse and unindent docs passes earlier)
 - #58630 (Make `visit_clobber` panic-safe.)
 - #58678 (Deny `async fn` in 2015 edition)
 - #58680 (Fix an indexing error when using `x.py help`)
 - #58703 (Fix copy-pasted typo for read_string return value)
 - #58744 (Update dlmalloc to 0.1.3)
 - #58746 (std: docs: Disable running several Stdio doctests)
 - #58748 (update scoped_tls to 1.0)
 - #58749 (Reduce Repetitions of (n << amt) >> amt)
 - #58752 (Update string_cache_codegen to 0.4.2)
 - #58755 (Clarify `rotate_{left,right}` docs)
 - #58757 (Normalize the type Self resolves to in an impl)
 - #58761 (Add tracking issue for the unwind attribute)

Failed merges:

r? @ghost

1 files changed, 2 insertions, 2 deletions

diff --git a/src/libstd/process.rs b/src/libstd/process.rs
index a2ef85016d8..735ce61c9bc 100644
--- a/src/libstd/process.rs
+++ b/src/libstd/process.rs
@@ -1015,7 +1015,7 @@ impl From<ChildStdin> for Stdio {
     ///
     /// `ChildStdin` will be converted to `Stdio` using `Stdio::from` under the hood.
     ///
-    /// ```rust
+    /// ```rust,no_run
     /// use std::process::{Command, Stdio};
     ///
     /// let reverse = Command::new("rev")
@@ -1044,7 +1044,7 @@ impl From<ChildStdout> for Stdio {
     ///
     /// `ChildStdout` will be converted to `Stdio` using `Stdio::from` under the hood.
     ///
-    /// ```rust
+    /// ```rust,no_run
     /// use std::process::{Command, Stdio};
     ///
     /// let hello = Command::new("echo")