Auto merge of #145805 - jhpratt:rollup-h1bm4z7, r=jhpratt

Rollup of 5 pull requests

Successful merges:

 - rust-lang/rust#144531 (Add lint against integer to pointer transmutes)
 - rust-lang/rust#145307 (Fix `LazyLock` poison panic message)
 - rust-lang/rust#145554 (rustc-dev-guide subtree update)
 - rust-lang/rust#145798 (Use unnamed lifetime spans as primary spans for `MISMATCHED_LIFETIME_SYNTAXES`)
 - rust-lang/rust#145799 (std/src/lib.rs: mention "search button" instead of "search bar")

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

Author: bors

tests/fail/branchless-select-i128-pointer.rs

@@ -1,3 +1,5 @@
+#![allow(integer_to_ptr_transmutes)]
+
 use std::mem::transmute;
 
 #[cfg(target_pointer_width = "32")]

tests/fail/provenance/provenance_transmute.rs

@@ -1,5 +1,7 @@
 //@compile-flags: -Zmiri-permissive-provenance
 
+#![allow(integer_to_ptr_transmutes)]
+
 use std::mem;
 
 // This is the example from

tests/fail/validity/dangling_ref1.rs

@@ -1,5 +1,8 @@
 // Make sure we catch this even without Stacked Borrows
 //@compile-flags: -Zmiri-disable-stacked-borrows
+
+#![allow(integer_to_ptr_transmutes)]
+
 use std::mem;
 
 fn main() {

tests/panic/transmute_fat2.rs

@@ -1,3 +1,5 @@
+#![allow(integer_to_ptr_transmutes)]
+
 fn main() {
     #[cfg(all(target_endian = "little", target_pointer_width = "64"))]
     let bad = unsafe { std::mem::transmute::<u128, &[u8]>(42) };

tests/pass/binops.rs

@@ -32,6 +32,7 @@ fn test_bool() {
     assert_eq!(true ^ true, false);
 }
 
+#[allow(integer_to_ptr_transmutes)]
 fn test_ptr() {
     unsafe {
         let p1: *const u8 = ::std::mem::transmute(0_usize);

tests/pass/too-large-primval-write-problem.rs

@@ -7,6 +7,8 @@
 //
 // This is just intended as a regression test to make sure we don't reintroduce this problem.
 
+#![allow(integer_to_ptr_transmutes)]
+
 #[cfg(target_pointer_width = "32")]
 fn main() {
     use std::mem::transmute;