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Auto merge of #10749 - flip1995:rustup, r=flip1995

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Rustup

r? `@ghost`

changelog: none
This commit is contained in:
bors 2023-05-05 15:30:22 +00:00
parent d7173e2599 79656cc95e
commit 371120bdbf
28 changed files with 109 additions and 227 deletions
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2
CHANGELOG.md
View file

@ -62,7 +62,7 @@ Current stable, released 2023-04-20
* [`explicit_auto_deref`]: Now considers projections when determining if auto deref is applicable
[#10386](https://github.com/rust-lang/rust-clippy/pull/10386)
* [`manual_let_else`]: Now considers side effects of branches before linting
* [`manual_let_else`]: Now considers side effects of branches before linting
[#10336](https://github.com/rust-lang/rust-clippy/pull/10336)
* [`uninlined_format_args`]: No longer lints for arguments with generic parameters
[#10343](https://github.com/rust-lang/rust-clippy/pull/10343)

1
clippy_lints/src/declared_lints.rs
View file

@ -315,7 +315,6 @@
crate::methods::CHARS_NEXT_CMP_INFO,
crate::methods::CLEAR_WITH_DRAIN_INFO,
crate::methods::CLONED_INSTEAD_OF_COPIED_INFO,
crate::methods::CLONE_DOUBLE_REF_INFO,
crate::methods::CLONE_ON_COPY_INFO,
crate::methods::CLONE_ON_REF_PTR_INFO,
crate::methods::COLLAPSIBLE_STR_REPLACE_INFO,

2
clippy_lints/src/default_union_representation.rs
View file

@ -61,7 +61,7 @@ fn check_item(&mut self, cx: &LateContext<'tcx>, item: &'tcx Item<'tcx>) {
None,
&format!(
"consider annotating `{}` with `#[repr(C)]` to explicitly specify memory layout",
cx.tcx.def_path_str(item.owner_id.to_def_id())
cx.tcx.def_path_str(item.owner_id)
),
);
}

2
clippy_lints/src/derive.rs
View file

@ -517,7 +517,7 @@ fn param_env_for_derived_eq(tcx: TyCtxt<'_>, did: DefId, eq_trait_id: DefId) ->
tcx.mk_predicates_from_iter(ty_predicates.iter().map(|&(p, _)| p).chain(
params.iter().filter(|&&(_, needs_eq)| needs_eq).map(|&(param, _)| {
tcx.mk_predicate(Binder::dummy(PredicateKind::Clause(Clause::Trait(TraitPredicate {
trait_ref: tcx.mk_trait_ref(eq_trait_id, [tcx.mk_param_from_def(param)]),
trait_ref: ty::TraitRef::new(tcx, eq_trait_id, [tcx.mk_param_from_def(param)]),
constness: BoundConstness::NotConst,
polarity: ImplPolarity::Positive,
}))))

7
clippy_lints/src/escape.rs
View file

@ -92,11 +92,8 @@ fn check_fn(
if trait_item.id.owner_id.def_id == fn_def_id {
// be sure we have `self` parameter in this function
if trait_item.kind == (AssocItemKind::Fn { has_self: true }) {
trait_self_ty = Some(
TraitRef::identity(cx.tcx, trait_item.id.owner_id.to_def_id())
.self_ty()
.skip_binder(),
);
trait_self_ty =
Some(TraitRef::identity(cx.tcx, trait_item.id.owner_id.to_def_id()).self_ty());
}
}
}

2
clippy_lints/src/formatting.rs
View file

@ -10,7 +10,7 @@
declare_clippy_lint! {
/// ### What it does
/// Checks for usage of the nonexistent `=*`, `=!` and `=-`
/// Checks for usage of the non-existent `=*`, `=!` and `=-`
/// operators.
///
/// ### Why is this bad?

7
clippy_lints/src/future_not_send.rs
View file

@ -4,7 +4,7 @@
use rustc_hir::{Body, FnDecl};
use rustc_infer::infer::TyCtxtInferExt;
use rustc_lint::{LateContext, LateLintPass};
use rustc_middle::ty::{self, AliasTy, Clause, EarlyBinder, PredicateKind};
use rustc_middle::ty::{self, AliasTy, Clause, PredicateKind};
use rustc_session::{declare_lint_pass, declare_tool_lint};
use rustc_span::def_id::LocalDefId;
use rustc_span::{sym, Span};
@ -66,8 +66,7 @@ fn check_fn(
if let ty::Alias(ty::Opaque, AliasTy { def_id, substs, .. }) = *ret_ty.kind() {
let preds = cx.tcx.explicit_item_bounds(def_id);
let mut is_future = false;
for &(p, _span) in preds {
let p = EarlyBinder(p).subst(cx.tcx, substs);
for (p, _span) in preds.subst_iter_copied(cx.tcx, substs) {
if let Some(trait_pred) = p.to_opt_poly_trait_pred() {
if Some(trait_pred.skip_binder().trait_ref.def_id) == cx.tcx.lang_items().future_trait() {
is_future = true;
@ -97,7 +96,7 @@ fn check_fn(
if let PredicateKind::Clause(Clause::Trait(trait_pred)) =
obligation.predicate.kind().skip_binder()
{
db.note(&format!(
db.note(format!(
"`{}` doesn't implement `{}`",
trait_pred.self_ty(),
trait_pred.trait_ref.print_only_trait_path(),

2
clippy_lints/src/lib.rs
View file

@ -354,7 +354,7 @@ pub fn register_pre_expansion_lints(store: &mut rustc_lint::LintStore, sess: &Se
pub fn read_conf(sess: &Session, path: &io::Result<(Option<PathBuf>, Vec<String>)>) -> Conf {
if let Ok((_, warnings)) = path {
for warning in warnings {
sess.warn(warning);
sess.warn(warning.clone());
}
}
let file_name = match path {

40
clippy_lints/src/methods/clone_on_copy.rs
View file

@ -1,7 +1,6 @@
use clippy_utils::diagnostics::{span_lint_and_sugg, span_lint_and_then};
use clippy_utils::diagnostics::span_lint_and_sugg;
use clippy_utils::get_parent_node;
use clippy_utils::source::snippet_with_context;
use clippy_utils::sugg;
use clippy_utils::ty::is_copy;
use rustc_errors::Applicability;
use rustc_hir::{BindingAnnotation, ByRef, Expr, ExprKind, MatchSource, Node, PatKind, QPath};
@ -9,7 +8,6 @@
use rustc_middle::ty::{self, adjustment::Adjust, print::with_forced_trimmed_paths};
use rustc_span::symbol::{sym, Symbol};
use super::CLONE_DOUBLE_REF;
use super::CLONE_ON_COPY;
/// Checks for the `CLONE_ON_COPY` lint.
@ -42,41 +40,7 @@ pub(super) fn check(
let ty = cx.typeck_results().expr_ty(expr);
if let ty::Ref(_, inner, _) = arg_ty.kind() {
if let ty::Ref(_, innermost, _) = inner.kind() {
span_lint_and_then(
cx,
CLONE_DOUBLE_REF,
expr.span,
&with_forced_trimmed_paths!(format!(
"using `clone` on a double-reference; \
this will copy the reference of type `{ty}` instead of cloning the inner type"
)),
|diag| {
if let Some(snip) = sugg::Sugg::hir_opt(cx, arg) {
let mut ty = innermost;
let mut n = 0;
while let ty::Ref(_, inner, _) = ty.kind() {
ty = inner;
n += 1;
}
let refs = "&".repeat(n + 1);
let derefs = "*".repeat(n);
let explicit = with_forced_trimmed_paths!(format!("<{refs}{ty}>::clone({snip})"));
diag.span_suggestion(
expr.span,
"try dereferencing it",
with_forced_trimmed_paths!(format!("{refs}({derefs}{}).clone()", snip.deref())),
Applicability::MaybeIncorrect,
);
diag.span_suggestion(
expr.span,
"or try being explicit if you are sure, that you want to clone a reference",
explicit,
Applicability::MaybeIncorrect,
);
}
},
);
if let ty::Ref(..) = inner.kind() {
return; // don't report clone_on_copy
}
}

30
clippy_lints/src/methods/mod.rs
View file

@ -984,29 +984,6 @@
"using 'clone' on a ref-counted pointer"
}
declare_clippy_lint! {
/// ### What it does
/// Checks for usage of `.clone()` on an `&&T`.
///
/// ### Why is this bad?
/// Cloning an `&&T` copies the inner `&T`, instead of
/// cloning the underlying `T`.
///
/// ### Example
/// ```rust
/// fn main() {
/// let x = vec![1];
/// let y = &&x;
/// let z = y.clone();
/// println!("{:p} {:p}", *y, z); // prints out the same pointer
/// }
/// ```
#[clippy::version = "pre 1.29.0"]
pub CLONE_DOUBLE_REF,
correctness,
"using `clone` on `&&T`"
}
declare_clippy_lint! {
/// ### What it does
/// Checks for usage of `.to_string()` on an `&&T` where
@ -3258,7 +3235,6 @@ pub fn new(
CHARS_LAST_CMP,
CLONE_ON_COPY,
CLONE_ON_REF_PTR,
CLONE_DOUBLE_REF,
COLLAPSIBLE_STR_REPLACE,
ITER_OVEREAGER_CLONED,
CLONED_INSTEAD_OF_COPIED,
@ -3500,8 +3476,7 @@ fn check_trait_item(&mut self, cx: &LateContext<'tcx>, item: &'tcx TraitItem<'_>
let first_arg_span = first_arg_ty.span;
let first_arg_ty = hir_ty_to_ty(cx.tcx, first_arg_ty);
let self_ty = TraitRef::identity(cx.tcx, item.owner_id.to_def_id())
.self_ty()
.skip_binder();
.self_ty();
wrong_self_convention::check(
cx,
item.ident.name.as_str(),
@ -3519,8 +3494,7 @@ fn check_trait_item(&mut self, cx: &LateContext<'tcx>, item: &'tcx TraitItem<'_>
if let TraitItemKind::Fn(_, _) = item.kind;
let ret_ty = return_ty(cx, item.owner_id);
let self_ty = TraitRef::identity(cx.tcx, item.owner_id.to_def_id())
.self_ty()
.skip_binder();
.self_ty();
if !ret_ty.contains(self_ty);
then {

4
clippy_lints/src/methods/str_splitn.rs
View file

@ -175,13 +175,13 @@ fn check_manual_split_once_indirect(
let remove_msg = format!("remove the `{iter_ident}` usages");
diag.span_suggestion(
first.span,
&remove_msg,
remove_msg.clone(),
"",
app,
);
diag.span_suggestion(
second.span,
&remove_msg,
remove_msg,
"",
app,
);

6
clippy_lints/src/non_send_fields_in_send_ty.rs
View file

@ -131,13 +131,13 @@ fn check_item(&mut self, cx: &LateContext<'tcx>, item: &'tcx Item<'_>) {
for field in non_send_fields {
diag.span_note(
field.def.span,
&format!("it is not safe to send field `{}` to another thread", field.def.ident.name),
format!("it is not safe to send field `{}` to another thread", field.def.ident.name),
);
match field.generic_params.len() {
0 => diag.help("use a thread-safe type that implements `Send`"),
1 if is_ty_param(field.ty) => diag.help(&format!("add `{}: Send` bound in `Send` impl", field.ty)),
_ => diag.help(&format!(
1 if is_ty_param(field.ty) => diag.help(format!("add `{}: Send` bound in `Send` impl", field.ty)),
_ => diag.help(format!(
"add bounds on type parameter{} `{}` that satisfy `{}: Send`",
if field.generic_params.len() > 1 { "s" } else { "" },
field.generic_params_string(),

1
clippy_lints/src/renamed_lints.rs
View file

@ -30,6 +30,7 @@
("clippy::stutter", "clippy::module_name_repetitions"),
("clippy::to_string_in_display", "clippy::recursive_format_impl"),
("clippy::zero_width_space", "clippy::invisible_characters"),
("clippy::clone_double_ref", "suspicious_double_ref_op"),
("clippy::drop_bounds", "drop_bounds"),
("clippy::for_loop_over_option", "for_loops_over_fallibles"),
("clippy::for_loop_over_result", "for_loops_over_fallibles"),

2
clippy_lints/src/suspicious_operation_groupings.rs
View file

@ -577,7 +577,7 @@ fn ident_difference_expr_with_base_location(
| (AssignOp(_, _, _), AssignOp(_, _, _))
| (Assign(_, _, _), Assign(_, _, _))
| (TryBlock(_), TryBlock(_))
| (Await(_), Await(_))
| (Await(_, _), Await(_, _))
| (Async(_, _), Async(_, _))
| (Block(_, _), Block(_, _))
| (Closure(_), Closure(_))

2
clippy_lints/src/trailing_empty_array.rs
View file

@ -46,7 +46,7 @@ fn check_item(&mut self, cx: &LateContext<'tcx>, item: &'tcx Item<'tcx>) {
None,
&format!(
"consider annotating `{}` with `#[repr(C)]` or another `repr` attribute",
cx.tcx.def_path_str(item.owner_id.to_def_id())
cx.tcx.def_path_str(item.owner_id)
),
);
}

2
clippy_utils/src/ast_utils.rs
View file

@ -143,7 +143,7 @@ pub fn eq_expr(l: &Expr, r: &Expr) -> bool {
(Paren(l), _) => eq_expr(l, r),
(_, Paren(r)) => eq_expr(l, r),
(Err, Err) => true,
(Try(l), Try(r)) | (Await(l), Await(r)) => eq_expr(l, r),
(Try(l), Try(r)) | (Await(l, _), Await(r, _)) => eq_expr(l, r),
(Array(l), Array(r)) => over(l, r, |l, r| eq_expr(l, r)),
(Tup(l), Tup(r)) => over(l, r, |l, r| eq_expr(l, r)),
(Repeat(le, ls), Repeat(re, rs)) => eq_expr(le, re) && eq_expr(&ls.value, &rs.value),

2
clippy_utils/src/attrs.rs
View file

@ -133,7 +133,7 @@ pub fn get_unique_attr<'a>(
let mut unique_attr: Option<&ast::Attribute> = None;
for attr in get_attr(sess, attrs, name) {
if let Some(duplicate) = unique_attr {
sess.struct_span_err(attr.span, &format!("`{name}` is defined multiple times"))
sess.struct_span_err(attr.span, format!("`{name}` is defined multiple times"))
.span_note(duplicate.span, "first definition found here")
.emit();
} else {

21
clippy_utils/src/sugg.rs
View file

@ -162,8 +162,9 @@ fn hir_from_snippet(expr: &hir::Expr<'_>, get_snippet: impl Fn(Span) -> Cow<'a,
get_snippet(lhs.span),
get_snippet(rhs.span),
),
hir::ExprKind::Cast(lhs, ty) => Sugg::BinOp(AssocOp::As, get_snippet(lhs.span), get_snippet(ty.span)),
hir::ExprKind::Type(lhs, ty) => Sugg::BinOp(AssocOp::Colon, get_snippet(lhs.span), get_snippet(ty.span)),
hir::ExprKind::Cast(lhs, ty) |
//FIXME(chenyukang), remove this after type ascription is removed from AST
hir::ExprKind::Type(lhs, ty) => Sugg::BinOp(AssocOp::As, get_snippet(lhs.span), get_snippet(ty.span)),
}
}
@ -253,13 +254,10 @@ pub fn ast(
snippet_with_context(cx, lhs.span, ctxt, default, app).0,
snippet_with_context(cx, rhs.span, ctxt, default, app).0,
),
ast::ExprKind::Cast(ref lhs, ref ty) => Sugg::BinOp(
AssocOp::As,
snippet_with_context(cx, lhs.span, ctxt, default, app).0,
snippet_with_context(cx, ty.span, ctxt, default, app).0,
),
ast::ExprKind::Cast(ref lhs, ref ty) |
//FIXME(chenyukang), remove this after type ascription is removed from AST
ast::ExprKind::Type(ref lhs, ref ty) => Sugg::BinOp(
AssocOp::Colon,
AssocOp::As,
snippet_with_context(cx, lhs.span, ctxt, default, app).0,
snippet_with_context(cx, ty.span, ctxt, default, app).0,
),
@ -392,7 +390,6 @@ fn binop_to_string(op: AssocOp, lhs: &str, rhs: &str) -> String {
AssocOp::As => format!("{lhs} as {rhs}"),
AssocOp::DotDot => format!("{lhs}..{rhs}"),
AssocOp::DotDotEq => format!("{lhs}..={rhs}"),
AssocOp::Colon => format!("{lhs}: {rhs}"),
}
}
@ -602,13 +599,13 @@ enum Associativity {
#[must_use]
fn associativity(op: AssocOp) -> Associativity {
use rustc_ast::util::parser::AssocOp::{
Add, As, Assign, AssignOp, BitAnd, BitOr, BitXor, Colon, Divide, DotDot, DotDotEq, Equal, Greater,
GreaterEqual, LAnd, LOr, Less, LessEqual, Modulus, Multiply, NotEqual, ShiftLeft, ShiftRight, Subtract,
Add, As, Assign, AssignOp, BitAnd, BitOr, BitXor, Divide, DotDot, DotDotEq, Equal, Greater, GreaterEqual, LAnd,
LOr, Less, LessEqual, Modulus, Multiply, NotEqual, ShiftLeft, ShiftRight, Subtract,
};
match op {
Assign | AssignOp(_) => Associativity::Right,
Add | BitAnd | BitOr | BitXor | LAnd | LOr | Multiply | As | Colon => Associativity::Both,
Add | BitAnd | BitOr | BitXor | LAnd | LOr | Multiply | As => Associativity::Both,
Divide | Equal | Greater | GreaterEqual | Less | LessEqual | Modulus | NotEqual | ShiftLeft | ShiftRight
| Subtract => Associativity::Left,
DotDot | DotDotEq => Associativity::None,

10
clippy_utils/src/ty.rs
View file

@ -90,7 +90,7 @@ fn contains_ty_adt_constructor_opaque_inner<'tcx>(
return false;
}
for &(predicate, _span) in cx.tcx.explicit_item_bounds(def_id) {
for (predicate, _span) in cx.tcx.explicit_item_bounds(def_id).subst_identity_iter_copied() {
match predicate.kind().skip_binder() {
// For `impl Trait<U>`, it will register a predicate of `T: Trait<U>`, so we go through
// and check substitutions to find `U`.
@ -226,7 +226,7 @@ pub fn implements_trait_with_env<'tcx>(
ty_params: impl IntoIterator<Item = Option<GenericArg<'tcx>>>,
) -> bool {
// Clippy shouldn't have infer types
assert!(!ty.needs_infer());
assert!(!ty.has_infer());
let ty = tcx.erase_regions(ty);
if ty.has_escaping_bound_vars() {
@ -267,7 +267,7 @@ pub fn is_must_use_ty<'tcx>(cx: &LateContext<'tcx>, ty: Ty<'tcx>) -> bool {
},
ty::Tuple(substs) => substs.iter().any(|ty| is_must_use_ty(cx, ty)),
ty::Alias(ty::Opaque, ty::AliasTy { def_id, .. }) => {
for (predicate, _) in cx.tcx.explicit_item_bounds(*def_id) {
for (predicate, _) in cx.tcx.explicit_item_bounds(def_id).skip_binder() {
if let ty::PredicateKind::Clause(ty::Clause::Trait(trait_predicate)) = predicate.kind().skip_binder() {
if cx.tcx.has_attr(trait_predicate.trait_ref.def_id, sym::must_use) {
return true;
@ -743,7 +743,7 @@ fn sig_for_projection<'tcx>(cx: &LateContext<'tcx>, ty: AliasTy<'tcx>) -> Option
for (pred, _) in cx
.tcx
.bound_explicit_item_bounds(ty.def_id)
.explicit_item_bounds(ty.def_id)
.subst_iter_copied(cx.tcx, ty.substs)
{
match pred.kind().skip_binder() {
@ -837,7 +837,7 @@ pub fn is_c_void(cx: &LateContext<'_>, ty: Ty<'_>) -> bool {
if let ty::Adt(adt, _) = ty.kind()
&& let &[krate, .., name] = &*cx.get_def_path(adt.did())
&& let sym::libc | sym::core | sym::std = krate
&& name.as_str() == "c_void"
&& name == rustc_span::sym::c_void
{
true
} else {

2
rust-toolchain
View file

@ -1,3 +1,3 @@
[toolchain]
channel = "nightly-2023-04-23"
channel = "nightly-2023-05-05"
components = ["cargo", "llvm-tools", "rust-src", "rust-std", "rustc", "rustc-dev", "rustfmt"]

2
tests/ui/explicit_deref_methods.fixed
View file

@ -3,7 +3,7 @@
#![allow(unused_variables)]
#![allow(
clippy::borrow_deref_ref,
clippy::clone_double_ref,
suspicious_double_ref_op,
clippy::explicit_auto_deref,
clippy::needless_borrow,
clippy::uninlined_format_args

2
tests/ui/explicit_deref_methods.rs
View file

@ -3,7 +3,7 @@
#![allow(unused_variables)]
#![allow(
clippy::borrow_deref_ref,
clippy::clone_double_ref,
suspicious_double_ref_op,
clippy::explicit_auto_deref,
clippy::needless_borrow,
clippy::uninlined_format_args

24
tests/ui/future_not_send.stderr
View file

@ -5,22 +5,22 @@ LL | async fn private_future(rc: Rc<[u8]>, cell: &Cell<usize>) -> bool {
| ^^^^ future returned by `private_future` is not `Send`
|
note: future is not `Send` as this value is used across an await
--> $DIR/future_not_send.rs:8:19
--> $DIR/future_not_send.rs:8:20
|
LL | async fn private_future(rc: Rc<[u8]>, cell: &Cell<usize>) -> bool {
| -- has type `std::rc::Rc<[u8]>` which is not `Send`
LL | async { true }.await
| ^^^^^^ await occurs here, with `rc` maybe used later
| ^^^^^ await occurs here, with `rc` maybe used later
LL | }
| - `rc` is later dropped here
= note: `std::rc::Rc<[u8]>` doesn't implement `std::marker::Send`
note: future is not `Send` as this value is used across an await
--> $DIR/future_not_send.rs:8:19
--> $DIR/future_not_send.rs:8:20
|
LL | async fn private_future(rc: Rc<[u8]>, cell: &Cell<usize>) -> bool {
| ---- has type `&std::cell::Cell<usize>` which is not `Send`
LL | async { true }.await
| ^^^^^^ await occurs here, with `cell` maybe used later
| ^^^^^ await occurs here, with `cell` maybe used later
LL | }
| - `cell` is later dropped here
= note: `std::cell::Cell<usize>` doesn't implement `std::marker::Sync`
@ -33,12 +33,12 @@ LL | pub async fn public_future(rc: Rc<[u8]>) {
| ^ future returned by `public_future` is not `Send`
|
note: future is not `Send` as this value is used across an await
--> $DIR/future_not_send.rs:12:19
--> $DIR/future_not_send.rs:12:20
|
LL | pub async fn public_future(rc: Rc<[u8]>) {
| -- has type `std::rc::Rc<[u8]>` which is not `Send`
LL | async { true }.await;
| ^^^^^^ await occurs here, with `rc` maybe used later
| ^^^^^ await occurs here, with `rc` maybe used later
LL | }
| - `rc` is later dropped here
= note: `std::rc::Rc<[u8]>` doesn't implement `std::marker::Send`
@ -82,12 +82,12 @@ LL | async fn private_future(&self) -> usize {
| ^^^^^ future returned by `private_future` is not `Send`
|
note: future is not `Send` as this value is used across an await
--> $DIR/future_not_send.rs:35:23
--> $DIR/future_not_send.rs:35:24
|
LL | async fn private_future(&self) -> usize {
| ----- has type `&Dummy` which is not `Send`
LL | async { true }.await;
| ^^^^^^ await occurs here, with `&self` maybe used later
| ^^^^^ await occurs here, with `&self` maybe used later
LL | self.rc.len()
LL | }
| - `&self` is later dropped here
@ -100,12 +100,12 @@ LL | pub async fn public_future(&self) {
| ^ future returned by `public_future` is not `Send`
|
note: future is not `Send` as this value is used across an await
--> $DIR/future_not_send.rs:40:30
--> $DIR/future_not_send.rs:40:31
|
LL | pub async fn public_future(&self) {
| ----- has type `&Dummy` which is not `Send`
LL | self.private_future().await;
| ^^^^^^ await occurs here, with `&self` maybe used later
| ^^^^^ await occurs here, with `&self` maybe used later
LL | }
| - `&self` is later dropped here
= note: `std::rc::Rc<[u8]>` doesn't implement `std::marker::Sync`
@ -117,12 +117,12 @@ LL | async fn generic_future<T>(t: T) -> T
| ^ future returned by `generic_future` is not `Send`
|
note: future is not `Send` as this value is used across an await
--> $DIR/future_not_send.rs:54:19
--> $DIR/future_not_send.rs:54:20
|
LL | let rt = &t;
| -- has type `&T` which is not `Send`
LL | async { true }.await;
| ^^^^^^ await occurs here, with `rt` maybe used later
| ^^^^^ await occurs here, with `rt` maybe used later
LL | t
LL | }
| - `rt` is later dropped here

2
tests/ui/rename.fixed
View file

@ -27,6 +27,7 @@
#![allow(clippy::module_name_repetitions)]
#![allow(clippy::recursive_format_impl)]
#![allow(clippy::invisible_characters)]
#![allow(suspicious_double_ref_op)]
#![allow(drop_bounds)]
#![allow(for_loops_over_fallibles)]
#![allow(array_into_iter)]
@ -67,6 +68,7 @@
#![warn(clippy::module_name_repetitions)]
#![warn(clippy::recursive_format_impl)]
#![warn(clippy::invisible_characters)]
#![warn(suspicious_double_ref_op)]
#![warn(drop_bounds)]
#![warn(for_loops_over_fallibles)]
#![warn(for_loops_over_fallibles)]

2
tests/ui/rename.rs
View file

@ -27,6 +27,7 @@
#![allow(clippy::module_name_repetitions)]
#![allow(clippy::recursive_format_impl)]
#![allow(clippy::invisible_characters)]
#![allow(suspicious_double_ref_op)]
#![allow(drop_bounds)]
#![allow(for_loops_over_fallibles)]
#![allow(array_into_iter)]
@ -67,6 +68,7 @@
#![warn(clippy::stutter)]
#![warn(clippy::to_string_in_display)]
#![warn(clippy::zero_width_space)]
#![warn(clippy::clone_double_ref)]
#![warn(clippy::drop_bounds)]
#![warn(clippy::for_loop_over_option)]
#![warn(clippy::for_loop_over_result)]

92
tests/ui/rename.stderr
View file

@ -1,5 +1,5 @@
error: lint `clippy::almost_complete_letter_range` has been renamed to `clippy::almost_complete_range`
--> $DIR/rename.rs:42:9
--> $DIR/rename.rs:43:9
|
LL | #![warn(clippy::almost_complete_letter_range)]
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::almost_complete_range`
@ -7,250 +7,256 @@ LL | #![warn(clippy::almost_complete_letter_range)]
= note: `-D renamed-and-removed-lints` implied by `-D warnings`
error: lint `clippy::blacklisted_name` has been renamed to `clippy::disallowed_names`
--> $DIR/rename.rs:43:9
--> $DIR/rename.rs:44:9
|
LL | #![warn(clippy::blacklisted_name)]
| ^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::disallowed_names`
error: lint `clippy::block_in_if_condition_expr` has been renamed to `clippy::blocks_in_if_conditions`
--> $DIR/rename.rs:44:9
--> $DIR/rename.rs:45:9
|
LL | #![warn(clippy::block_in_if_condition_expr)]
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::blocks_in_if_conditions`
error: lint `clippy::block_in_if_condition_stmt` has been renamed to `clippy::blocks_in_if_conditions`
--> $DIR/rename.rs:45:9
--> $DIR/rename.rs:46:9
|
LL | #![warn(clippy::block_in_if_condition_stmt)]
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::blocks_in_if_conditions`
error: lint `clippy::box_vec` has been renamed to `clippy::box_collection`
--> $DIR/rename.rs:46:9
--> $DIR/rename.rs:47:9
|
LL | #![warn(clippy::box_vec)]
| ^^^^^^^^^^^^^^^ help: use the new name: `clippy::box_collection`
error: lint `clippy::const_static_lifetime` has been renamed to `clippy::redundant_static_lifetimes`
--> $DIR/rename.rs:47:9
--> $DIR/rename.rs:48:9
|
LL | #![warn(clippy::const_static_lifetime)]
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::redundant_static_lifetimes`
error: lint `clippy::cyclomatic_complexity` has been renamed to `clippy::cognitive_complexity`
--> $DIR/rename.rs:48:9
--> $DIR/rename.rs:49:9
|
LL | #![warn(clippy::cyclomatic_complexity)]
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::cognitive_complexity`
error: lint `clippy::derive_hash_xor_eq` has been renamed to `clippy::derived_hash_with_manual_eq`
--> $DIR/rename.rs:49:9
--> $DIR/rename.rs:50:9
|
LL | #![warn(clippy::derive_hash_xor_eq)]
| ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::derived_hash_with_manual_eq`
error: lint `clippy::disallowed_method` has been renamed to `clippy::disallowed_methods`
--> $DIR/rename.rs:50:9
--> $DIR/rename.rs:51:9
|
LL | #![warn(clippy::disallowed_method)]
| ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::disallowed_methods`
error: lint `clippy::disallowed_type` has been renamed to `clippy::disallowed_types`
--> $DIR/rename.rs:51:9
--> $DIR/rename.rs:52:9
|
LL | #![warn(clippy::disallowed_type)]
| ^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::disallowed_types`
error: lint `clippy::eval_order_dependence` has been renamed to `clippy::mixed_read_write_in_expression`
--> $DIR/rename.rs:52:9
--> $DIR/rename.rs:53:9
|
LL | #![warn(clippy::eval_order_dependence)]
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::mixed_read_write_in_expression`
error: lint `clippy::identity_conversion` has been renamed to `clippy::useless_conversion`
--> $DIR/rename.rs:53:9
--> $DIR/rename.rs:54:9
|
LL | #![warn(clippy::identity_conversion)]
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::useless_conversion`
error: lint `clippy::if_let_some_result` has been renamed to `clippy::match_result_ok`
--> $DIR/rename.rs:54:9
--> $DIR/rename.rs:55:9
|
LL | #![warn(clippy::if_let_some_result)]
| ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::match_result_ok`
error: lint `clippy::logic_bug` has been renamed to `clippy::overly_complex_bool_expr`
--> $DIR/rename.rs:55:9
--> $DIR/rename.rs:56:9
|
LL | #![warn(clippy::logic_bug)]
| ^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::overly_complex_bool_expr`
error: lint `clippy::new_without_default_derive` has been renamed to `clippy::new_without_default`
--> $DIR/rename.rs:56:9
--> $DIR/rename.rs:57:9
|
LL | #![warn(clippy::new_without_default_derive)]
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::new_without_default`
error: lint `clippy::option_and_then_some` has been renamed to `clippy::bind_instead_of_map`
--> $DIR/rename.rs:57:9
--> $DIR/rename.rs:58:9
|
LL | #![warn(clippy::option_and_then_some)]
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::bind_instead_of_map`
error: lint `clippy::option_expect_used` has been renamed to `clippy::expect_used`
--> $DIR/rename.rs:58:9
--> $DIR/rename.rs:59:9
|
LL | #![warn(clippy::option_expect_used)]
| ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::expect_used`
error: lint `clippy::option_map_unwrap_or` has been renamed to `clippy::map_unwrap_or`
--> $DIR/rename.rs:59:9
--> $DIR/rename.rs:60:9
|
LL | #![warn(clippy::option_map_unwrap_or)]
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::map_unwrap_or`
error: lint `clippy::option_map_unwrap_or_else` has been renamed to `clippy::map_unwrap_or`
--> $DIR/rename.rs:60:9
--> $DIR/rename.rs:61:9
|
LL | #![warn(clippy::option_map_unwrap_or_else)]
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::map_unwrap_or`
error: lint `clippy::option_unwrap_used` has been renamed to `clippy::unwrap_used`
--> $DIR/rename.rs:61:9
--> $DIR/rename.rs:62:9
|
LL | #![warn(clippy::option_unwrap_used)]
| ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::unwrap_used`
error: lint `clippy::ref_in_deref` has been renamed to `clippy::needless_borrow`
--> $DIR/rename.rs:62:9
--> $DIR/rename.rs:63:9
|
LL | #![warn(clippy::ref_in_deref)]
| ^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::needless_borrow`
error: lint `clippy::result_expect_used` has been renamed to `clippy::expect_used`
--> $DIR/rename.rs:63:9
--> $DIR/rename.rs:64:9
|
LL | #![warn(clippy::result_expect_used)]
| ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::expect_used`
error: lint `clippy::result_map_unwrap_or_else` has been renamed to `clippy::map_unwrap_or`
--> $DIR/rename.rs:64:9
--> $DIR/rename.rs:65:9
|
LL | #![warn(clippy::result_map_unwrap_or_else)]
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::map_unwrap_or`
error: lint `clippy::result_unwrap_used` has been renamed to `clippy::unwrap_used`
--> $DIR/rename.rs:65:9
--> $DIR/rename.rs:66:9
|
LL | #![warn(clippy::result_unwrap_used)]
| ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::unwrap_used`
error: lint `clippy::single_char_push_str` has been renamed to `clippy::single_char_add_str`
--> $DIR/rename.rs:66:9
--> $DIR/rename.rs:67:9
|
LL | #![warn(clippy::single_char_push_str)]
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::single_char_add_str`
error: lint `clippy::stutter` has been renamed to `clippy::module_name_repetitions`
--> $DIR/rename.rs:67:9
--> $DIR/rename.rs:68:9
|
LL | #![warn(clippy::stutter)]
| ^^^^^^^^^^^^^^^ help: use the new name: `clippy::module_name_repetitions`
error: lint `clippy::to_string_in_display` has been renamed to `clippy::recursive_format_impl`
--> $DIR/rename.rs:68:9
--> $DIR/rename.rs:69:9
|
LL | #![warn(clippy::to_string_in_display)]
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::recursive_format_impl`
error: lint `clippy::zero_width_space` has been renamed to `clippy::invisible_characters`
--> $DIR/rename.rs:69:9
--> $DIR/rename.rs:70:9
|
LL | #![warn(clippy::zero_width_space)]
| ^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::invisible_characters`
error: lint `clippy::clone_double_ref` has been renamed to `suspicious_double_ref_op`
--> $DIR/rename.rs:71:9
|
LL | #![warn(clippy::clone_double_ref)]
| ^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `suspicious_double_ref_op`
error: lint `clippy::drop_bounds` has been renamed to `drop_bounds`
--> $DIR/rename.rs:70:9
--> $DIR/rename.rs:72:9
|
LL | #![warn(clippy::drop_bounds)]
| ^^^^^^^^^^^^^^^^^^^ help: use the new name: `drop_bounds`
error: lint `clippy::for_loop_over_option` has been renamed to `for_loops_over_fallibles`
--> $DIR/rename.rs:71:9
--> $DIR/rename.rs:73:9
|
LL | #![warn(clippy::for_loop_over_option)]
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `for_loops_over_fallibles`
error: lint `clippy::for_loop_over_result` has been renamed to `for_loops_over_fallibles`
--> $DIR/rename.rs:72:9
--> $DIR/rename.rs:74:9
|
LL | #![warn(clippy::for_loop_over_result)]
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `for_loops_over_fallibles`
error: lint `clippy::for_loops_over_fallibles` has been renamed to `for_loops_over_fallibles`
--> $DIR/rename.rs:73:9
--> $DIR/rename.rs:75:9
|
LL | #![warn(clippy::for_loops_over_fallibles)]
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `for_loops_over_fallibles`
error: lint `clippy::into_iter_on_array` has been renamed to `array_into_iter`
--> $DIR/rename.rs:74:9
--> $DIR/rename.rs:76:9
|
LL | #![warn(clippy::into_iter_on_array)]
| ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `array_into_iter`
error: lint `clippy::invalid_atomic_ordering` has been renamed to `invalid_atomic_ordering`
--> $DIR/rename.rs:75:9
--> $DIR/rename.rs:77:9
|
LL | #![warn(clippy::invalid_atomic_ordering)]
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `invalid_atomic_ordering`
error: lint `clippy::invalid_ref` has been renamed to `invalid_value`
--> $DIR/rename.rs:76:9
--> $DIR/rename.rs:78:9
|
LL | #![warn(clippy::invalid_ref)]
| ^^^^^^^^^^^^^^^^^^^ help: use the new name: `invalid_value`
error: lint `clippy::let_underscore_drop` has been renamed to `let_underscore_drop`
--> $DIR/rename.rs:77:9
--> $DIR/rename.rs:79:9
|
LL | #![warn(clippy::let_underscore_drop)]
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `let_underscore_drop`
error: lint `clippy::mem_discriminant_non_enum` has been renamed to `enum_intrinsics_non_enums`
--> $DIR/rename.rs:78:9
--> $DIR/rename.rs:80:9
|
LL | #![warn(clippy::mem_discriminant_non_enum)]
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `enum_intrinsics_non_enums`
error: lint `clippy::panic_params` has been renamed to `non_fmt_panics`
--> $DIR/rename.rs:79:9
--> $DIR/rename.rs:81:9
|
LL | #![warn(clippy::panic_params)]
| ^^^^^^^^^^^^^^^^^^^^ help: use the new name: `non_fmt_panics`
error: lint `clippy::positional_named_format_parameters` has been renamed to `named_arguments_used_positionally`
--> $DIR/rename.rs:80:9
--> $DIR/rename.rs:82:9
|
LL | #![warn(clippy::positional_named_format_parameters)]
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `named_arguments_used_positionally`
error: lint `clippy::temporary_cstring_as_ptr` has been renamed to `temporary_cstring_as_ptr`
--> $DIR/rename.rs:81:9
--> $DIR/rename.rs:83:9
|
LL | #![warn(clippy::temporary_cstring_as_ptr)]
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `temporary_cstring_as_ptr`
error: lint `clippy::unknown_clippy_lints` has been renamed to `unknown_lints`
--> $DIR/rename.rs:82:9
--> $DIR/rename.rs:84:9
|
LL | #![warn(clippy::unknown_clippy_lints)]
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `unknown_lints`
error: lint `clippy::unused_label` has been renamed to `unused_labels`
--> $DIR/rename.rs:83:9
--> $DIR/rename.rs:85:9
|
LL | #![warn(clippy::unused_label)]
| ^^^^^^^^^^^^^^^^^^^^ help: use the new name: `unused_labels`
error: aborting due to 42 previous errors
error: aborting due to 43 previous errors

13
tests/ui/unnecessary_clone.rs
View file

@ -42,14 +42,6 @@ fn clone_on_copy_generic<T: Copy>(t: T) {
Some(t).clone();
}
fn clone_on_double_ref() {
let x = vec![1];
let y = &&x;
let z: &Vec<_> = y.clone();
println!("{:p} {:p}", *y, z);
}
mod many_derefs {
struct A;
struct B;
@ -84,11 +76,6 @@ fn go1() {
let _: E = a.clone();
let _: E = *****a;
}
fn check(mut encoded: &[u8]) {
let _ = &mut encoded.clone();
let _ = &encoded.clone();
}
}
mod issue2076 {

52
tests/ui/unnecessary_clone.stderr
View file

@ -44,63 +44,17 @@ error: using `clone` on type `Option<T>` which implements the `Copy` trait
LL | Some(t).clone();
| ^^^^^^^^^^^^^^^ help: try removing the `clone` call: `Some(t)`
error: using `clone` on a double-reference; this will copy the reference of type `&Vec<i32>` instead of cloning the inner type
--> $DIR/unnecessary_clone.rs:48:22
|
LL | let z: &Vec<_> = y.clone();
| ^^^^^^^^^
|
= note: `#[deny(clippy::clone_double_ref)]` on by default
help: try dereferencing it
|
LL | let z: &Vec<_> = &(*y).clone();
| ~~~~~~~~~~~~~
help: or try being explicit if you are sure, that you want to clone a reference
|
LL | let z: &Vec<_> = <&Vec<i32>>::clone(y);
| ~~~~~~~~~~~~~~~~~~~~~
error: using `clone` on type `E` which implements the `Copy` trait
--> $DIR/unnecessary_clone.rs:84:20
--> $DIR/unnecessary_clone.rs:76:20
|
LL | let _: E = a.clone();
| ^^^^^^^^^ help: try dereferencing it: `*****a`
error: using `clone` on a double-reference; this will copy the reference of type `&[u8]` instead of cloning the inner type
--> $DIR/unnecessary_clone.rs:89:22
|
LL | let _ = &mut encoded.clone();
| ^^^^^^^^^^^^^^^
|
help: try dereferencing it
|
LL | let _ = &mut &(*encoded).clone();
| ~~~~~~~~~~~~~~~~~~~
help: or try being explicit if you are sure, that you want to clone a reference
|
LL | let _ = &mut <&[u8]>::clone(encoded);
| ~~~~~~~~~~~~~~~~~~~~~~~
error: using `clone` on a double-reference; this will copy the reference of type `&[u8]` instead of cloning the inner type
--> $DIR/unnecessary_clone.rs:90:18
|
LL | let _ = &encoded.clone();
| ^^^^^^^^^^^^^^^
|
help: try dereferencing it
|
LL | let _ = &&(*encoded).clone();
| ~~~~~~~~~~~~~~~~~~~
help: or try being explicit if you are sure, that you want to clone a reference
|
LL | let _ = &<&[u8]>::clone(encoded);
| ~~~~~~~~~~~~~~~~~~~~~~~
error: using `.clone()` on a ref-counted pointer
--> $DIR/unnecessary_clone.rs:108:14
--> $DIR/unnecessary_clone.rs:95:14
|
LL | Some(try_opt!(Some(rc)).clone())
| ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `Rc::<u8>::clone(&try_opt!(Some(rc)))`
error: aborting due to 12 previous errors
error: aborting due to 9 previous errors