Auto merge of #71949 - Dylan-DPC:rollup-0gg02wd, r=Dylan-DPC

Rollup of 6 pull requests

Successful merges:

 - #71510 (Btreemap iter intertwined)
 - #71727 (SipHasher with keys initialized to 0 should just use new())
 - #71889 (Explain our RwLock implementation)
 - #71905 (Add command aliases from Cargo to x.py commands)
 - #71914 (Backport 1.43.1 release notes to master)
 - #71921 (explain the types used in the open64 call)

Failed merges:

r? @ghost

2 files changed, 3 insertions, 3 deletions

diff --git a/src/test/ui/deriving/deriving-hash.rs b/src/test/ui/deriving/deriving-hash.rs
index 68c68c235ef..8b51370bca5 100644
--- a/src/test/ui/deriving/deriving-hash.rs
+++ b/src/test/ui/deriving/deriving-hash.rs
@@ -24,7 +24,7 @@ struct Person {
 enum E { A=1, B }
 
 fn hash<T: Hash>(t: &T) -> u64 {
-    let mut s = SipHasher::new_with_keys(0, 0);
+    let mut s = SipHasher::new();
     t.hash(&mut s);
     s.finish()
 }
diff --git a/src/test/ui/issues/issue-16530.rs b/src/test/ui/issues/issue-16530.rs
index 22a6ef7fa09..25817a2a63d 100644
--- a/src/test/ui/issues/issue-16530.rs
+++ b/src/test/ui/issues/issue-16530.rs
@@ -7,9 +7,9 @@ use std::hash::{SipHasher, Hasher, Hash};
 struct Empty;
 
 pub fn main() {
-    let mut s1 = SipHasher::new_with_keys(0, 0);
+    let mut s1 = SipHasher::new();
     Empty.hash(&mut s1);
-    let mut s2 = SipHasher::new_with_keys(0, 0);
+    let mut s2 = SipHasher::new();
     Empty.hash(&mut s2);
     assert_eq!(s1.finish(), s2.finish());
 }