Auto merge of rust-lang#102015 - rust-lang:pa-beta-next, r=pietroalbini

[beta] Prepare beta 1.65.0

This PR prepares the beta branch for Rust 1.65.0.

r? `@ghost`
cc `@rust-lang/release`

Author: bors

Diff for: compiler/rustc_feature/src/accepted.rs

@@ -162,7 +162,7 @@ declare_features! (
     /// Allows capturing variables in scope using format_args!
     (accepted, format_args_capture, "1.58.0", Some(67984), None),
     /// Allows associated types to be generic, e.g., `type Foo<T>;` (RFC 1598).
-    (accepted, generic_associated_types, "CURRENT_RUSTC_VERSION", Some(44265), None),
+    (accepted, generic_associated_types, "1.65.0", Some(44265), None),
     /// Allows attributes on lifetime/type formal parameters in generics (RFC 1327).
     (accepted, generic_param_attrs, "1.27.0", Some(48848), None),
     /// Allows the `#[global_allocator]` attribute.
@@ -189,9 +189,9 @@ declare_features! (
     /// especially around globs and shadowing (RFC 1560).
     (accepted, item_like_imports, "1.15.0", Some(35120), None),
     /// Allows `'a: { break 'a; }`.
-    (accepted, label_break_value, "CURRENT_RUSTC_VERSION", Some(48594), None),
+    (accepted, label_break_value, "1.65.0", Some(48594), None),
     /// Allows `let...else` statements.
-    (accepted, let_else, "CURRENT_RUSTC_VERSION", Some(87335), None),
+    (accepted, let_else, "1.65.0", Some(87335), None),
     /// Allows `break {expr}` with a value inside `loop`s.
     (accepted, loop_break_value, "1.19.0", Some(37339), None),
     /// Allows use of `?` as the Kleene "at most one" operator in macros.

Diff for: compiler/rustc_feature/src/active.rs

@@ -339,7 +339,7 @@ declare_features! (
     /// Allows to use the `#[cmse_nonsecure_entry]` attribute.
     (active, cmse_nonsecure_entry, "1.48.0", Some(75835), None),
     /// Allows use of the `#[collapse_debuginfo]` attribute.
-    (active, collapse_debuginfo, "CURRENT_RUSTC_VERSION", Some(100758), None),
+    (active, collapse_debuginfo, "1.65.0", Some(100758), None),
     /// Allows `async {}` expressions in const contexts.
     (active, const_async_blocks, "1.53.0", Some(85368), None),
     // Allows limiting the evaluation steps of const expressions
@@ -385,7 +385,7 @@ declare_features! (
     /// Allows `#[doc(masked)]`.
     (active, doc_masked, "1.21.0", Some(44027), None),
     /// Allows `dyn* Trait` objects.
-    (incomplete, dyn_star, "CURRENT_RUSTC_VERSION", Some(91611), None),
+    (incomplete, dyn_star, "1.65.0", Some(91611), None),
     /// Allows `X..Y` patterns.
     (active, exclusive_range_pattern, "1.11.0", Some(37854), None),
     /// Allows exhaustive pattern matching on types that contain uninhabited types.
@@ -401,7 +401,7 @@ declare_features! (
     /// Allows using `#[repr(align(...))]` on function items
     (active, fn_align, "1.53.0", Some(82232), None),
     /// Allows generators to be cloned.
-    (active, generator_clone, "CURRENT_RUSTC_VERSION", Some(95360), None),
+    (active, generator_clone, "1.65.0", Some(95360), None),
     /// Allows defining generators.
     (active, generators, "1.21.0", Some(43122), None),
     /// Infer generic args for both consts and types.
@@ -482,7 +482,7 @@ declare_features! (
     /// Allows macro attributes on expressions, statements and non-inline modules.
     (active, proc_macro_hygiene, "1.30.0", Some(54727), None),
     /// Allows the use of raw-dylibs (RFC 2627).
-    (active, raw_dylib, "CURRENT_RUSTC_VERSION", Some(58713), None),
+    (active, raw_dylib, "1.65.0", Some(58713), None),
     /// Allows `&raw const $place_expr` and `&raw mut $place_expr` expressions.
     (active, raw_ref_op, "1.41.0", Some(64490), None),
     /// Allows using the `#[register_tool]` attribute.
@@ -492,7 +492,7 @@ declare_features! (
     /// Allows `repr(simd)` and importing the various simd intrinsics.
     (active, repr_simd, "1.4.0", Some(27731), None),
     /// Allows return-position `impl Trait` in traits.
-    (incomplete, return_position_impl_trait_in_trait, "CURRENT_RUSTC_VERSION", Some(91611), None),
+    (incomplete, return_position_impl_trait_in_trait, "1.65.0", Some(91611), None),
     /// Allows `extern "rust-cold"`.
     (active, rust_cold_cc, "1.63.0", Some(97544), None),
     /// Allows the use of SIMD types in functions declared in `extern` blocks.
@@ -526,7 +526,7 @@ declare_features! (
     /// not changed from prior instances of the same struct (RFC #2528)
     (active, type_changing_struct_update, "1.58.0", Some(86555), None),
     /// Enables rustc to generate code that instructs libstd to NOT ignore SIGPIPE.
-    (active, unix_sigpipe, "CURRENT_RUSTC_VERSION", Some(97889), None),
+    (active, unix_sigpipe, "1.65.0", Some(97889), None),
     /// Allows unsized fn parameters.
     (active, unsized_fn_params, "1.49.0", Some(48055), None),
     /// Allows unsized rvalues at arguments and parameters.

Diff for: compiler/rustc_feature/src/removed.rs

@@ -164,7 +164,7 @@ declare_features! (
     (removed, quote, "1.33.0", Some(29601), None, None),
     (removed, reflect, "1.0.0", Some(27749), None, None),
     /// Allows using the `#[register_attr]` attribute.
-    (removed, register_attr, "CURRENT_RUSTC_VERSION", Some(66080), None,
+    (removed, register_attr, "1.65.0", Some(66080), None,
      Some("removed in favor of `#![register_tool]`")),
     /// Allows using the macros:
     /// + `__diagnostic_used`

Diff for: library/core/src/ops/range.rs

@@ -677,7 +677,7 @@ pub enum Bound<T> {
 impl<T> Bound<T> {
     /// Converts from `&Bound<T>` to `Bound<&T>`.
     #[inline]
-    #[stable(feature = "bound_as_ref_shared", since = "CURRENT_RUSTC_VERSION")]
+    #[stable(feature = "bound_as_ref_shared", since = "1.65.0")]
     pub fn as_ref(&self) -> Bound<&T> {
         match *self {
             Included(ref x) => Included(x),

Diff for: library/core/src/ptr/const_ptr.rs

@@ -98,8 +98,8 @@ impl<T: ?Sized> *const T {
     ///
     /// This is a bit safer than `as` because it wouldn't silently change the type if the code is
     /// refactored.
-    #[stable(feature = "ptr_const_cast", since = "CURRENT_RUSTC_VERSION")]
-    #[rustc_const_stable(feature = "ptr_const_cast", since = "CURRENT_RUSTC_VERSION")]
+    #[stable(feature = "ptr_const_cast", since = "1.65.0")]
+    #[rustc_const_stable(feature = "ptr_const_cast", since = "1.65.0")]
     pub const fn cast_mut(self) -> *mut T {
         self as _
     }

Diff for: library/core/src/ptr/mut_ptr.rs

@@ -103,8 +103,8 @@ impl<T: ?Sized> *mut T {
     /// coercion.
     ///
     /// [`cast_mut`]: #method.cast_mut
-    #[stable(feature = "ptr_const_cast", since = "CURRENT_RUSTC_VERSION")]
-    #[rustc_const_stable(feature = "ptr_const_cast", since = "CURRENT_RUSTC_VERSION")]
+    #[stable(feature = "ptr_const_cast", since = "1.65.0")]
+    #[rustc_const_stable(feature = "ptr_const_cast", since = "1.65.0")]
     pub const fn cast_const(self) -> *const T {
         self as _
     }

Diff for: library/std/src/backtrace.rs

@@ -58,7 +58,7 @@
 //! `RUST_LIB_BACKTRACE` or `RUST_BACKTRACE` at runtime might not actually change
 //! how backtraces are captured.
 
-#![stable(feature = "backtrace", since = "CURRENT_RUSTC_VERSION")]
+#![stable(feature = "backtrace", since = "1.65.0")]
 
 #[cfg(test)]
 mod tests;
@@ -104,29 +104,29 @@ use crate::vec::Vec;
 /// previous point in time. In some instances the `Backtrace` type may
 /// internally be empty due to configuration. For more information see
 /// `Backtrace::capture`.
-#[stable(feature = "backtrace", since = "CURRENT_RUSTC_VERSION")]
+#[stable(feature = "backtrace", since = "1.65.0")]
 #[must_use]
 pub struct Backtrace {
     inner: Inner,
 }
 
 /// The current status of a backtrace, indicating whether it was captured or
 /// whether it is empty for some other reason.
-#[stable(feature = "backtrace", since = "CURRENT_RUSTC_VERSION")]
+#[stable(feature = "backtrace", since = "1.65.0")]
 #[non_exhaustive]
 #[derive(Debug, PartialEq, Eq)]
 pub enum BacktraceStatus {
     /// Capturing a backtrace is not supported, likely because it's not
     /// implemented for the current platform.
-    #[stable(feature = "backtrace", since = "CURRENT_RUSTC_VERSION")]
+    #[stable(feature = "backtrace", since = "1.65.0")]
     Unsupported,
     /// Capturing a backtrace has been disabled through either the
     /// `RUST_LIB_BACKTRACE` or `RUST_BACKTRACE` environment variables.
-    #[stable(feature = "backtrace", since = "CURRENT_RUSTC_VERSION")]
+    #[stable(feature = "backtrace", since = "1.65.0")]
     Disabled,
     /// A backtrace has been captured and the `Backtrace` should print
     /// reasonable information when rendered.
-    #[stable(feature = "backtrace", since = "CURRENT_RUSTC_VERSION")]
+    #[stable(feature = "backtrace", since = "1.65.0")]
     Captured,
 }
 
@@ -173,7 +173,7 @@ enum BytesOrWide {
     Wide(Vec<u16>),
 }
 
-#[stable(feature = "backtrace", since = "CURRENT_RUSTC_VERSION")]
+#[stable(feature = "backtrace", since = "1.65.0")]
 impl fmt::Debug for Backtrace {
     fn fmt(&self, fmt: &mut fmt::Formatter<'_>) -> fmt::Result {
         let capture = match &self.inner {
@@ -289,7 +289,7 @@ impl Backtrace {
     ///
     /// To forcibly capture a backtrace regardless of environment variables, use
     /// the `Backtrace::force_capture` function.
-    #[stable(feature = "backtrace", since = "CURRENT_RUSTC_VERSION")]
+    #[stable(feature = "backtrace", since = "1.65.0")]
     #[inline(never)] // want to make sure there's a frame here to remove
     pub fn capture() -> Backtrace {
         if !Backtrace::enabled() {
@@ -308,16 +308,16 @@ impl Backtrace {
     /// Note that capturing a backtrace can be an expensive operation on some
     /// platforms, so this should be used with caution in performance-sensitive
     /// parts of code.
-    #[stable(feature = "backtrace", since = "CURRENT_RUSTC_VERSION")]
+    #[stable(feature = "backtrace", since = "1.65.0")]
     #[inline(never)] // want to make sure there's a frame here to remove
     pub fn force_capture() -> Backtrace {
         Backtrace::create(Backtrace::force_capture as usize)
     }
 
     /// Forcibly captures a disabled backtrace, regardless of environment
     /// variable configuration.
-    #[stable(feature = "backtrace", since = "CURRENT_RUSTC_VERSION")]
-    #[rustc_const_stable(feature = "backtrace", since = "CURRENT_RUSTC_VERSION")]
+    #[stable(feature = "backtrace", since = "1.65.0")]
+    #[rustc_const_stable(feature = "backtrace", since = "1.65.0")]
     pub const fn disabled() -> Backtrace {
         Backtrace { inner: Inner::Disabled }
     }
@@ -361,7 +361,7 @@ impl Backtrace {
     /// Returns the status of this backtrace, indicating whether this backtrace
     /// request was unsupported, disabled, or a stack trace was actually
     /// captured.
-    #[stable(feature = "backtrace", since = "CURRENT_RUSTC_VERSION")]
+    #[stable(feature = "backtrace", since = "1.65.0")]
     #[must_use]
     pub fn status(&self) -> BacktraceStatus {
         match self.inner {
@@ -381,7 +381,7 @@ impl<'a> Backtrace {
     }
 }
 
-#[stable(feature = "backtrace", since = "CURRENT_RUSTC_VERSION")]
+#[stable(feature = "backtrace", since = "1.65.0")]
 impl fmt::Display for Backtrace {
     fn fmt(&self, fmt: &mut fmt::Formatter<'_>) -> fmt::Result {
         let capture = match &self.inner {

Diff for: library/std/src/io/mod.rs

@@ -1045,7 +1045,7 @@ pub trait Read {
 ///     Ok(())
 /// }
 /// ```
-#[stable(feature = "io_read_to_string", since = "CURRENT_RUSTC_VERSION")]
+#[stable(feature = "io_read_to_string", since = "1.65.0")]
 pub fn read_to_string<R: Read>(mut reader: R) -> Result<String> {
     let mut buf = String::new();
     reader.read_to_string(&mut buf)?;

Diff for: src/bootstrap/test.rs

@@ -964,6 +964,7 @@ impl Step for RustdocGUI {
                     .arg("doc")
                     .arg("--target-dir")
                     .arg(&out_dir)
+                    .env("RUSTC_BOOTSTRAP", "1")
                     .env("RUSTDOC", builder.rustdoc(self.compiler))
                     .env("RUSTC", builder.rustc(self.compiler))
                     .current_dir(path);
@@ -1699,6 +1700,8 @@ impl BookTest {
 
         let mut rustbook_cmd = builder.tool_cmd(Tool::Rustbook);
         let path = builder.src.join(&self.path);
+        // Books often have feature-gated example text.
+        rustbook_cmd.env("RUSTC_BOOTSTRAP", "1");
         rustbook_cmd.env("PATH", new_path).arg("test").arg(path);
         builder.add_rust_test_threads(&mut rustbook_cmd);
         builder.info(&format!("Testing rustbook {}", self.path.display()));

Diff for: src/ci/channel

@@ -1 +1 @@
-nightly
+beta