Auto merge of rust-lang#141379 - matthiaskrgr:rollup-g1cz0ic, r=matthiaskrgr

Rollup of 6 pull requests

Successful merges:

 - rust-lang#140431 (dont handle bool transmute)
 - rust-lang#140868 (rustdoc: Fix links with inline code in trait impl docs)
 - rust-lang#141323 (Add bors environment to CI)
 - rust-lang#141337 (bump stdarch)
 - rust-lang#141364 (rustdoc-json: Remove false docs and add test for inline attribute)
 - rust-lang#141370 (add doc alias `replace_first` for `str::replacen`)

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

Author: bors

alloc/src/str.rs

@@ -320,6 +320,7 @@ impl str {
     /// ```
     #[cfg(not(no_global_oom_handling))]
     #[rustc_allow_incoherent_impl]
+    #[doc(alias = "replace_first")]
     #[must_use = "this returns the replaced string as a new allocation, \
                   without modifying the original"]
     #[stable(feature = "str_replacen", since = "1.16.0")]

stdarch

@@ -1 +1 @@
-Subproject commit 1dfaa4db2479753a46a3e90f2c3c89d89d0b21f1
+Subproject commit b6e2249e388f520627544812649b77b0944e1a2e