effea9a2a0
Rollup of 13 pull requests Successful merges: - #86183 (Change environment variable getters to error recoverably) - #86439 (Remove `Ipv4Addr::is_ietf_protocol_assignment`) - #86509 (Move `os_str_bytes` to `sys::unix`) - #86593 (Partially stabilize `const_slice_first_last`) - #86936 (Add documentation for `Ipv6MulticastScope`) - #87282 (Ensure `./x.py dist` adheres to `build.tools`) - #87468 (Update rustfmt) - #87504 (Update mdbook.) - #87608 (Remove unused field `Session.system_library_path`) - #87629 (Consistent spelling of "adapter" in the standard library) - #87633 (Update compiler_builtins to fix i128 shift/mul on thumbv6m) - #87644 (Recommend `swap_remove` in `Vec::remove` docs) - #87653 (mark a UB doctest as no_run) Failed merges: r? `@ghost` `@rustbot` modify labels: rollup