Auto merge of rust-lang#2753 - RalfJung:rustup, r=RalfJung

Rustup Pulls in rust-lang#104658
RalfJung · Jan 9, 2023 · d61d359 · d61d359
2 parents 87a202e + 236ae26
commit d61d359
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Showing 807 changed files with 11,180 additions and 6,270 deletions.
diff --git a/Cargo.lock b/Cargo.lock
diff --git a/Cargo.toml b/Cargo.toml
@@ -4,6 +4,7 @@ members = [
   "library/std",
   "library/test",
   "src/rustdoc-json-types",
+  "src/tools/build_helper",
   "src/tools/cargotest",
   "src/tools/clippy",
   "src/tools/clippy/clippy_dev",

diff --git a/compiler/rustc_ast/src/ast.rs b/compiler/rustc_ast/src/ast.rs
@@ -2170,10 +2170,10 @@ impl fmt::Display for InlineAsmTemplatePiece {
                 Ok(())
             }
             Self::Placeholder { operand_idx, modifier: Some(modifier), .. } => {
-                write!(f, "{{{}:{}}}", operand_idx, modifier)
+                write!(f, "{{{operand_idx}:{modifier}}}")
             }
             Self::Placeholder { operand_idx, modifier: None, .. } => {
-                write!(f, "{{{}}}", operand_idx)
+                write!(f, "{{{operand_idx}}}")
             }
         }
     }
@@ -2185,7 +2185,7 @@ impl InlineAsmTemplatePiece {
         use fmt::Write;
         let mut out = String::new();
         for p in s.iter() {
-            let _ = write!(out, "{}", p);
+            let _ = write!(out, "{p}");
         }
         out
     }

diff --git a/compiler/rustc_ast/src/ast_traits.rs b/compiler/rustc_ast/src/ast_traits.rs
@@ -214,15 +214,15 @@ impl HasTokens for Attribute {
         match &self.kind {
             AttrKind::Normal(normal) => normal.tokens.as_ref(),
             kind @ AttrKind::DocComment(..) => {
-                panic!("Called tokens on doc comment attr {:?}", kind)
+                panic!("Called tokens on doc comment attr {kind:?}")
             }
         }
     }
     fn tokens_mut(&mut self) -> Option<&mut Option<LazyAttrTokenStream>> {
         Some(match &mut self.kind {
             AttrKind::Normal(normal) => &mut normal.tokens,
             kind @ AttrKind::DocComment(..) => {
-                panic!("Called tokens_mut on doc comment attr {:?}", kind)
+                panic!("Called tokens_mut on doc comment attr {kind:?}")
             }
         })
     }

diff --git a/compiler/rustc_ast/src/attr/mod.rs b/compiler/rustc_ast/src/attr/mod.rs
@@ -310,7 +310,7 @@ impl Attribute {
             AttrKind::Normal(normal) => normal
                 .tokens
                 .as_ref()
-                .unwrap_or_else(|| panic!("attribute is missing tokens: {:?}", self))
+                .unwrap_or_else(|| panic!("attribute is missing tokens: {self:?}"))
                 .to_attr_token_stream()
                 .to_tokenstream(),
             &AttrKind::DocComment(comment_kind, data) => TokenStream::new(vec![TokenTree::Token(

diff --git a/compiler/rustc_ast/src/expand/allocator.rs b/compiler/rustc_ast/src/expand/allocator.rs
@@ -9,8 +9,8 @@ pub enum AllocatorKind {
 impl AllocatorKind {
     pub fn fn_name(&self, base: Symbol) -> String {
         match *self {
-            AllocatorKind::Global => format!("__rg_{}", base),
-            AllocatorKind::Default => format!("__rdl_{}", base),
+            AllocatorKind::Global => format!("__rg_{base}"),
+            AllocatorKind::Default => format!("__rdl_{base}"),
         }
     }
 }

diff --git a/compiler/rustc_ast/src/token.rs b/compiler/rustc_ast/src/token.rs
@@ -125,27 +125,27 @@ impl fmt::Display for Lit {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         let Lit { kind, symbol, suffix } = *self;
         match kind {
-            Byte => write!(f, "b'{}'", symbol)?,
-            Char => write!(f, "'{}'", symbol)?,
-            Str => write!(f, "\"{}\"", symbol)?,
+            Byte => write!(f, "b'{symbol}'")?,
+            Char => write!(f, "'{symbol}'")?,
+            Str => write!(f, "\"{symbol}\"")?,
             StrRaw(n) => write!(
                 f,
                 "r{delim}\"{string}\"{delim}",
                 delim = "#".repeat(n as usize),
                 string = symbol
             )?,
-            ByteStr => write!(f, "b\"{}\"", symbol)?,
+            ByteStr => write!(f, "b\"{symbol}\"")?,
             ByteStrRaw(n) => write!(
                 f,
                 "br{delim}\"{string}\"{delim}",
                 delim = "#".repeat(n as usize),
                 string = symbol
             )?,
-            Integer | Float | Bool | Err => write!(f, "{}", symbol)?,
+            Integer | Float | Bool | Err => write!(f, "{symbol}")?,
         }
 
         if let Some(suffix) = suffix {
-            write!(f, "{}", suffix)?;
+            write!(f, "{suffix}")?;
         }
 
         Ok(())
@@ -756,7 +756,7 @@ impl Token {
                 _ => return None,
             },
             SingleQuote => match joint.kind {
-                Ident(name, false) => Lifetime(Symbol::intern(&format!("'{}", name))),
+                Ident(name, false) => Lifetime(Symbol::intern(&format!("'{name}"))),
                 _ => return None,
             },
 

diff --git a/compiler/rustc_ast/src/tokenstream.rs b/compiler/rustc_ast/src/tokenstream.rs
@@ -258,8 +258,7 @@ impl AttrTokenStream {
 
                         assert!(
                             found,
-                            "Failed to find trailing delimited group in: {:?}",
-                            target_tokens
+                            "Failed to find trailing delimited group in: {target_tokens:?}"
                         );
                     }
                     let mut flat: SmallVec<[_; 1]> = SmallVec::new();

diff --git a/compiler/rustc_ast/src/util/literal.rs b/compiler/rustc_ast/src/util/literal.rs
@@ -34,7 +34,7 @@ pub enum LitError {
     InvalidIntSuffix,
     InvalidFloatSuffix,
     NonDecimalFloat(u32),
-    IntTooLarge,
+    IntTooLarge(u32),
 }
 
 impl LitKind {
@@ -168,7 +168,7 @@ impl fmt::Display for LitKind {
         match *self {
             LitKind::Byte(b) => {
                 let b: String = ascii::escape_default(b).map(Into::<char>::into).collect();
-                write!(f, "b'{}'", b)?;
+                write!(f, "b'{b}'")?;
             }
             LitKind::Char(ch) => write!(f, "'{}'", escape_char_symbol(ch))?,
             LitKind::Str(sym, StrStyle::Cooked) => write!(f, "\"{}\"", escape_string_symbol(sym))?,
@@ -192,15 +192,15 @@ impl fmt::Display for LitKind {
                 )?;
             }
             LitKind::Int(n, ty) => {
-                write!(f, "{}", n)?;
+                write!(f, "{n}")?;
                 match ty {
                     ast::LitIntType::Unsigned(ty) => write!(f, "{}", ty.name())?,
                     ast::LitIntType::Signed(ty) => write!(f, "{}", ty.name())?,
                     ast::LitIntType::Unsuffixed => {}
                 }
             }
             LitKind::Float(symbol, ty) => {
-                write!(f, "{}", symbol)?;
+                write!(f, "{symbol}")?;
                 match ty {
                     ast::LitFloatType::Suffixed(ty) => write!(f, "{}", ty.name())?,
                     ast::LitFloatType::Unsuffixed => {}
@@ -333,6 +333,6 @@ fn integer_lit(symbol: Symbol, suffix: Option<Symbol>) -> Result<LitKind, LitErr
         // but these kinds of errors are already reported by the lexer.
         let from_lexer =
             base < 10 && s.chars().any(|c| c.to_digit(10).map_or(false, |d| d >= base));
-        if from_lexer { LitError::LexerError } else { LitError::IntTooLarge }
+        if from_lexer { LitError::LexerError } else { LitError::IntTooLarge(base) }
     })
 }
diff --git a/compiler/rustc_ast_lowering/src/asm.rs b/compiler/rustc_ast_lowering/src/asm.rs
@@ -104,7 +104,7 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
                     Err(supported_abis) => {
                         let mut abis = format!("`{}`", supported_abis[0]);
                         for m in &supported_abis[1..] {
-                            let _ = write!(abis, ", `{}`", m);
+                            let _ = write!(abis, ", `{m}`");
                         }
                         self.tcx.sess.emit_err(InvalidAbiClobberAbi {
                             abi_span: *abi_span,
@@ -262,7 +262,7 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
                             let sub = if !valid_modifiers.is_empty() {
                                 let mut mods = format!("`{}`", valid_modifiers[0]);
                                 for m in &valid_modifiers[1..] {
-                                    let _ = write!(mods, ", `{}`", m);
+                                    let _ = write!(mods, ", `{m}`");
                                 }
                                 InvalidAsmTemplateModifierRegClassSub::SupportModifier {
                                     class_name: class.name(),

diff --git a/compiler/rustc_ast_lowering/src/item.rs b/compiler/rustc_ast_lowering/src/item.rs
@@ -1051,7 +1051,7 @@ impl<'hir> LoweringContext<'_, 'hir> {
                     }
                     _ => {
                         // Replace the ident for bindings that aren't simple.
-                        let name = format!("__arg{}", index);
+                        let name = format!("__arg{index}");
                         let ident = Ident::from_str(&name);
 
                         (ident, false)

diff --git a/compiler/rustc_ast_lowering/src/lib.rs b/compiler/rustc_ast_lowering/src/lib.rs
@@ -296,7 +296,7 @@ impl std::fmt::Display for ImplTraitPosition {
             ImplTraitPosition::ImplReturn => "`impl` method return",
         };
 
-        write!(f, "{}", name)
+        write!(f, "{name}")
     }
 }
 
@@ -503,7 +503,7 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
 
     fn orig_local_def_id(&self, node: NodeId) -> LocalDefId {
         self.orig_opt_local_def_id(node)
-            .unwrap_or_else(|| panic!("no entry for node id: `{:?}`", node))
+            .unwrap_or_else(|| panic!("no entry for node id: `{node:?}`"))
     }
 
     /// Given the id of some node in the AST, finds the `LocalDefId` associated with it by the name
@@ -524,7 +524,7 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
     }
 
     fn local_def_id(&self, node: NodeId) -> LocalDefId {
-        self.opt_local_def_id(node).unwrap_or_else(|| panic!("no entry for node id: `{:?}`", node))
+        self.opt_local_def_id(node).unwrap_or_else(|| panic!("no entry for node id: `{node:?}`"))
     }
 
     /// Get the previously recorded `to` local def id given the `from` local def id, obtained using
@@ -2197,7 +2197,7 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
     fn lower_trait_ref(&mut self, p: &TraitRef, itctx: &ImplTraitContext) -> hir::TraitRef<'hir> {
         let path = match self.lower_qpath(p.ref_id, &None, &p.path, ParamMode::Explicit, itctx) {
             hir::QPath::Resolved(None, path) => path,
-            qpath => panic!("lower_trait_ref: unexpected QPath `{:?}`", qpath),
+            qpath => panic!("lower_trait_ref: unexpected QPath `{qpath:?}`"),
         };
         hir::TraitRef { path, hir_ref_id: self.lower_node_id(p.ref_id) }
     }

diff --git a/compiler/rustc_ast_pretty/src/pprust/state.rs b/compiler/rustc_ast_pretty/src/pprust/state.rs
@@ -191,23 +191,23 @@ fn doc_comment_to_string(
     data: Symbol,
 ) -> String {
     match (comment_kind, attr_style) {
-        (CommentKind::Line, ast::AttrStyle::Outer) => format!("///{}", data),
-        (CommentKind::Line, ast::AttrStyle::Inner) => format!("//!{}", data),
-        (CommentKind::Block, ast::AttrStyle::Outer) => format!("/**{}*/", data),
-        (CommentKind::Block, ast::AttrStyle::Inner) => format!("/*!{}*/", data),
+        (CommentKind::Line, ast::AttrStyle::Outer) => format!("///{data}"),
+        (CommentKind::Line, ast::AttrStyle::Inner) => format!("//!{data}"),
+        (CommentKind::Block, ast::AttrStyle::Outer) => format!("/**{data}*/"),
+        (CommentKind::Block, ast::AttrStyle::Inner) => format!("/*!{data}*/"),
     }
 }
 
 pub fn literal_to_string(lit: token::Lit) -> String {
     let token::Lit { kind, symbol, suffix } = lit;
     let mut out = match kind {
-        token::Byte => format!("b'{}'", symbol),
-        token::Char => format!("'{}'", symbol),
-        token::Str => format!("\"{}\"", symbol),
+        token::Byte => format!("b'{symbol}'"),
+        token::Char => format!("'{symbol}'"),
+        token::Str => format!("\"{symbol}\""),
         token::StrRaw(n) => {
             format!("r{delim}\"{string}\"{delim}", delim = "#".repeat(n as usize), string = symbol)
         }
-        token::ByteStr => format!("b\"{}\"", symbol),
+        token::ByteStr => format!("b\"{symbol}\""),
         token::ByteStrRaw(n) => {
             format!("br{delim}\"{string}\"{delim}", delim = "#".repeat(n as usize), string = symbol)
         }

diff --git a/compiler/rustc_ast_pretty/src/pprust/state/item.rs b/compiler/rustc_ast_pretty/src/pprust/state/item.rs
@@ -411,9 +411,9 @@ impl<'a> State<'a> {
             ast::VisibilityKind::Restricted { path, shorthand, .. } => {
                 let path = Self::to_string(|s| s.print_path(path, false, 0));
                 if *shorthand && (path == "crate" || path == "self" || path == "super") {
-                    self.word_nbsp(format!("pub({})", path))
+                    self.word_nbsp(format!("pub({path})"))
                 } else {
-                    self.word_nbsp(format!("pub(in {})", path))
+                    self.word_nbsp(format!("pub(in {path})"))
                 }
             }
             ast::VisibilityKind::Inherited => {}

diff --git a/compiler/rustc_attr/src/builtin.rs b/compiler/rustc_attr/src/builtin.rs
@@ -619,7 +619,7 @@ fn try_gate_cfg(name: Symbol, span: Span, sess: &ParseSess, features: Option<&Fe
 fn gate_cfg(gated_cfg: &GatedCfg, cfg_span: Span, sess: &ParseSess, features: &Features) {
     let (cfg, feature, has_feature) = gated_cfg;
     if !has_feature(features) && !cfg_span.allows_unstable(*feature) {
-        let explain = format!("`cfg({})` is experimental and subject to change", cfg);
+        let explain = format!("`cfg({cfg})` is experimental and subject to change");
         feature_err(sess, *feature, cfg_span, &explain).emit();
     }
 }
@@ -975,7 +975,7 @@ pub fn find_repr_attrs(sess: &Session, attr: &Attribute) -> Vec<ReprAttr> {
 }
 
 pub fn parse_repr_attr(sess: &Session, attr: &Attribute) -> Vec<ReprAttr> {
-    assert!(attr.has_name(sym::repr), "expected `#[repr(..)]`, found: {:?}", attr);
+    assert!(attr.has_name(sym::repr), "expected `#[repr(..)]`, found: {attr:?}");
     use ReprAttr::*;
     let mut acc = Vec::new();
     let diagnostic = &sess.parse_sess.span_diagnostic;

diff --git a/compiler/rustc_attr/src/session_diagnostics.rs b/compiler/rustc_attr/src/session_diagnostics.rs
@@ -51,7 +51,7 @@ pub(crate) struct UnknownMetaItem<'a> {
 // Manual implementation to be able to format `expected` items correctly.
 impl<'a> IntoDiagnostic<'a> for UnknownMetaItem<'_> {
     fn into_diagnostic(self, handler: &'a Handler) -> DiagnosticBuilder<'a, ErrorGuaranteed> {
-        let expected = self.expected.iter().map(|name| format!("`{}`", name)).collect::<Vec<_>>();
+        let expected = self.expected.iter().map(|name| format!("`{name}`")).collect::<Vec<_>>();
         let mut diag = handler.struct_span_err_with_code(
             self.span,
             fluent::attr_unknown_meta_item,

diff --git a/compiler/rustc_borrowck/src/borrowck_errors.rs b/compiler/rustc_borrowck/src/borrowck_errors.rs
@@ -440,15 +440,14 @@ impl<'cx, 'tcx> crate::MirBorrowckCtxt<'cx, 'tcx> {
         closure_kind: &str,
         borrowed_path: &str,
         capture_span: Span,
+        scope: &str,
     ) -> DiagnosticBuilder<'tcx, ErrorGuaranteed> {
         let mut err = struct_span_err!(
             self,
             closure_span,
             E0373,
-            "{} may outlive the current function, but it borrows {}, which is owned by the current \
-             function",
-            closure_kind,
-            borrowed_path,
+            "{closure_kind} may outlive the current {scope}, but it borrows {borrowed_path}, \
+             which is owned by the current {scope}",
         );
         err.span_label(capture_span, format!("{} is borrowed here", borrowed_path))
             .span_label(closure_span, format!("may outlive borrowed value {}", borrowed_path));