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Rollup merge of #120400 - estebank:bound-error-cleanup, r=oli-obk 

Bound errors span label cleanup

Consolidate span labels for "this type doesn't satisfy a bound" for more compact diagnostic output.
This commit is contained in:
Guillaume Gomez 2024-01-30 11:19:15 +01:00 committed by GitHub
parent e0e96a1829 fc964fb439
commit f7043a41ce
No known key found for this signature in database
GPG Key ID: B5690EEEBB952194
25 changed files with 100 additions and 176 deletions
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32
compiler/rustc_hir_analysis/src/astconv/errors.rs
View File

@ -6,6 +6,7 @@ use crate::errors::{
use crate::fluent_generated as fluent;
use crate::traits::error_reporting::report_object_safety_error;
use rustc_data_structures::fx::{FxHashMap, FxIndexMap, FxIndexSet};
use rustc_data_structures::sorted_map::SortedMap;
use rustc_data_structures::unord::UnordMap;
use rustc_errors::{
codes::*, pluralize, struct_span_code_err, Applicability, Diagnostic, ErrorGuaranteed,
@ -463,22 +464,23 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o {
return err.emit();
}
let mut bound_spans = Vec::new();
let mut bound_spans: SortedMap<Span, Vec<String>> = Default::default();
let mut bound_span_label = |self_ty: Ty<'_>, obligation: &str, quiet: &str| {
let msg = format!(
"doesn't satisfy `{}`",
if obligation.len() > 50 { quiet } else { obligation }
);
let msg = format!("`{}`", if obligation.len() > 50 { quiet } else { obligation });
match &self_ty.kind() {
// Point at the type that couldn't satisfy the bound.
ty::Adt(def, _) => bound_spans.push((tcx.def_span(def.did()), msg)),
ty::Adt(def, _) => {
bound_spans.get_mut_or_insert_default(tcx.def_span(def.did())).push(msg)
}
// Point at the trait object that couldn't satisfy the bound.
ty::Dynamic(preds, _, _) => {
for pred in preds.iter() {
match pred.skip_binder() {
ty::ExistentialPredicate::Trait(tr) => {
bound_spans.push((tcx.def_span(tr.def_id), msg.clone()))
bound_spans
.get_mut_or_insert_default(tcx.def_span(tr.def_id))
.push(msg.clone());
}
ty::ExistentialPredicate::Projection(_)
| ty::ExistentialPredicate::AutoTrait(_) => {}
@ -487,7 +489,9 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o {
}
// Point at the closure that couldn't satisfy the bound.
ty::Closure(def_id, _) => {
bound_spans.push((tcx.def_span(*def_id), format!("doesn't satisfy `{quiet}`")))
bound_spans
.get_mut_or_insert_default(tcx.def_span(*def_id))
.push(format!("`{quiet}`"));
}
_ => {}
}
@ -556,12 +560,18 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o {
format!("associated type cannot be referenced on `{self_ty}` due to unsatisfied trait bounds")
);
bound_spans.sort();
bound_spans.dedup();
for (span, msg) in bound_spans {
for (span, mut bounds) in bound_spans {
if !tcx.sess.source_map().is_span_accessible(span) {
continue;
}
bounds.sort();
bounds.dedup();
let msg = match &bounds[..] {
[bound] => format!("doesn't satisfy {bound}"),
bounds if bounds.len() > 4 => format!("doesn't satisfy {} bounds", bounds.len()),
[bounds @ .., last] => format!("doesn't satisfy {} or {last}", bounds.join(", ")),
[] => unreachable!(),
};
err.span_label(span, msg);
}
add_def_label(&mut err);

69
compiler/rustc_hir_typeck/src/method/suggest.rs
View File

@ -9,6 +9,7 @@ use crate::FnCtxt;
use rustc_ast::ast::Mutability;
use rustc_attr::parse_confusables;
use rustc_data_structures::fx::{FxIndexMap, FxIndexSet};
use rustc_data_structures::sorted_map::SortedMap;
use rustc_data_structures::unord::UnordSet;
use rustc_errors::{
codes::*, pluralize, struct_span_code_err, Applicability, Diagnostic, DiagnosticBuilder,
@ -458,22 +459,13 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> {
);
}
let ty_span = match rcvr_ty.kind() {
let mut ty_span = match rcvr_ty.kind() {
ty::Param(param_type) => {
Some(param_type.span_from_generics(self.tcx, self.body_id.to_def_id()))
}
ty::Adt(def, _) if def.did().is_local() => Some(tcx.def_span(def.did())),
_ => None,
};
if let Some(span) = ty_span {
err.span_label(
span,
format!(
"{item_kind} `{item_name}` not found for this {}",
rcvr_ty.prefix_string(self.tcx)
),
);
}
if let SelfSource::MethodCall(rcvr_expr) = source {
self.suggest_fn_call(&mut err, rcvr_expr, rcvr_ty, |output_ty| {
@ -546,7 +538,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> {
);
}
let mut bound_spans = vec![];
let mut bound_spans: SortedMap<Span, Vec<String>> = Default::default();
let mut restrict_type_params = false;
let mut unsatisfied_bounds = false;
if item_name.name == sym::count && self.is_slice_ty(rcvr_ty, span) {
@ -641,19 +633,20 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> {
false
};
let mut bound_span_label = |self_ty: Ty<'_>, obligation: &str, quiet: &str| {
let msg = format!(
"doesn't satisfy `{}`",
if obligation.len() > 50 { quiet } else { obligation }
);
let msg = format!("`{}`", if obligation.len() > 50 { quiet } else { obligation });
match &self_ty.kind() {
// Point at the type that couldn't satisfy the bound.
ty::Adt(def, _) => bound_spans.push((self.tcx.def_span(def.did()), msg)),
ty::Adt(def, _) => {
bound_spans.get_mut_or_insert_default(tcx.def_span(def.did())).push(msg)
}
// Point at the trait object that couldn't satisfy the bound.
ty::Dynamic(preds, _, _) => {
for pred in preds.iter() {
match pred.skip_binder() {
ty::ExistentialPredicate::Trait(tr) => {
bound_spans.push((self.tcx.def_span(tr.def_id), msg.clone()))
bound_spans
.get_mut_or_insert_default(tcx.def_span(tr.def_id))
.push(msg.clone());
}
ty::ExistentialPredicate::Projection(_)
| ty::ExistentialPredicate::AutoTrait(_) => {}
@ -661,8 +654,11 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> {
}
}
// Point at the closure that couldn't satisfy the bound.
ty::Closure(def_id, _) => bound_spans
.push((tcx.def_span(*def_id), format!("doesn't satisfy `{quiet}`"))),
ty::Closure(def_id, _) => {
bound_spans
.get_mut_or_insert_default(tcx.def_span(*def_id))
.push(format!("`{quiet}`"));
}
_ => {}
}
};
@ -1169,11 +1165,40 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> {
self.suggest_unwrapping_inner_self(&mut err, source, rcvr_ty, item_name);
bound_spans.sort();
bound_spans.dedup();
for (span, msg) in bound_spans.into_iter() {
for (span, mut bounds) in bound_spans {
if !tcx.sess.source_map().is_span_accessible(span) {
continue;
}
bounds.sort();
bounds.dedup();
let pre = if Some(span) == ty_span {
ty_span.take();
format!(
"{item_kind} `{item_name}` not found for this {} because it ",
rcvr_ty.prefix_string(self.tcx)
)
} else {
String::new()
};
let msg = match &bounds[..] {
[bound] => format!("{pre}doesn't satisfy {bound}"),
bounds if bounds.len() > 4 => format!("doesn't satisfy {} bounds", bounds.len()),
[bounds @ .., last] => {
format!("{pre}doesn't satisfy {} or {last}", bounds.join(", "))
}
[] => unreachable!(),
};
err.span_label(span, msg);
}
if let Some(span) = ty_span {
err.span_label(
span,
format!(
"{item_kind} `{item_name}` not found for this {}",
rcvr_ty.prefix_string(self.tcx)
),
);
}
if rcvr_ty.is_numeric() && rcvr_ty.is_fresh() || restrict_type_params {
} else {

5
tests/ui/associated-inherent-types/not-found-unsatisfied-bounds-in-multiple-impls.stderr
View File

@ -4,10 +4,7 @@ error: the associated type `X` exists for `S<Featureless, Featureless>`, but its
LL | struct S<A, B>(A, B);
| -------------- associated item `X` not found for this struct
LL | struct Featureless;
| ------------------
| |
| doesn't satisfy `Featureless: One`
| doesn't satisfy `Featureless: Two`
| ------------------ doesn't satisfy `Featureless: One` or `Featureless: Two`
...
LL | let _: S::<Featureless, Featureless>::X;
| ^ associated type cannot be referenced on `S<Featureless, Featureless>` due to unsatisfied trait bounds

15
tests/ui/box/unit/unique-object-noncopyable.stderr
View File

@ -1,18 +1,11 @@
error[E0599]: the method `clone` exists for struct `Box<dyn Foo>`, but its trait bounds were not satisfied
--> $DIR/unique-object-noncopyable.rs:24:16
|
LL | trait Foo {
| ---------
| |
| doesn't satisfy `dyn Foo: Clone`
| doesn't satisfy `dyn Foo: Sized`
LL | trait Foo {
| --------- doesn't satisfy `dyn Foo: Clone` or `dyn Foo: Sized`
...
LL | let _z = y.clone();
| ^^^^^ method cannot be called on `Box<dyn Foo>` due to unsatisfied trait bounds
--> $SRC_DIR/alloc/src/boxed.rs:LL:COL
::: $SRC_DIR/alloc/src/boxed.rs:LL:COL
|
= note: doesn't satisfy `Box<dyn Foo>: Clone`
LL | let _z = y.clone();
| ^^^^^ method cannot be called on `Box<dyn Foo>` due to unsatisfied trait bounds
|
= note: the following trait bounds were not satisfied:
`dyn Foo: Sized`

12
tests/ui/box/unit/unique-pinned-nocopy.stderr
View File

@ -1,15 +1,11 @@
error[E0599]: the method `clone` exists for struct `Box<R>`, but its trait bounds were not satisfied
--> $DIR/unique-pinned-nocopy.rs:12:16
|
LL | struct R {
| -------- doesn't satisfy `R: Clone`
LL | struct R {
| -------- doesn't satisfy `R: Clone`
...
LL | let _j = i.clone();
| ^^^^^ method cannot be called on `Box<R>` due to unsatisfied trait bounds
--> $SRC_DIR/alloc/src/boxed.rs:LL:COL
::: $SRC_DIR/alloc/src/boxed.rs:LL:COL
|
= note: doesn't satisfy `Box<R>: Clone`
LL | let _j = i.clone();
| ^^^^^ method cannot be called on `Box<R>` due to unsatisfied trait bounds
|
= note: the following trait bounds were not satisfied:
`R: Clone`

5
tests/ui/derives/derive-assoc-type-not-impl.stderr
View File

@ -2,10 +2,7 @@ error[E0599]: the method `clone` exists for struct `Bar<NotClone>`, but its trai
--> $DIR/derive-assoc-type-not-impl.rs:18:30
|
LL | struct Bar<T: Foo> {
| ------------------
| |
| method `clone` not found for this struct
| doesn't satisfy `Bar<NotClone>: Clone`
| ------------------ method `clone` not found for this struct because it doesn't satisfy `Bar<NotClone>: Clone`
...
LL | struct NotClone;
| --------------- doesn't satisfy `NotClone: Clone`

10
tests/ui/derives/deriving-with-repr-packed-2.stderr
View File

@ -2,16 +2,10 @@ error[E0599]: the method `clone` exists for struct `Foo<NonCopy>`, but its trait
--> $DIR/deriving-with-repr-packed-2.rs:18:11
|
LL | pub struct Foo<T>(T, T, T);
| -----------------
| |
| method `clone` not found for this struct
| doesn't satisfy `Foo<NonCopy>: Clone`
| ----------------- method `clone` not found for this struct because it doesn't satisfy `Foo<NonCopy>: Clone`
LL |
LL | struct NonCopy;
| --------------
| |
| doesn't satisfy `NonCopy: Clone`
| doesn't satisfy `NonCopy: Copy`
| -------------- doesn't satisfy `NonCopy: Clone` or `NonCopy: Copy`
...
LL | _ = x.clone();
| ^^^^^ method cannot be called on `Foo<NonCopy>` due to unsatisfied trait bounds

25
tests/ui/derives/issue-91550.stderr
View File

@ -2,11 +2,7 @@ error[E0599]: the method `insert` exists for struct `HashSet<Value>`, but its tr
--> $DIR/issue-91550.rs:8:8
|
LL | struct Value(u32);
| ------------
| |
| doesn't satisfy `Value: Eq`
| doesn't satisfy `Value: Hash`
| doesn't satisfy `Value: PartialEq`
| ------------ doesn't satisfy `Value: Eq`, `Value: Hash` or `Value: PartialEq`
...
LL | hs.insert(Value(0));
| ^^^^^^
@ -26,10 +22,7 @@ error[E0599]: the method `use_eq` exists for struct `Object<NoDerives>`, but its
--> $DIR/issue-91550.rs:26:9
|
LL | pub struct NoDerives;
| --------------------
| |
| doesn't satisfy `NoDerives: Eq`
| doesn't satisfy `NoDerives: PartialEq`
| -------------------- doesn't satisfy `NoDerives: Eq` or `NoDerives: PartialEq`
LL |
LL | struct Object<T>(T);
| ---------------- method `use_eq` not found for this struct
@ -57,12 +50,7 @@ error[E0599]: the method `use_ord` exists for struct `Object<NoDerives>`, but it
--> $DIR/issue-91550.rs:27:9
|
LL | pub struct NoDerives;
| --------------------
| |
| doesn't satisfy `NoDerives: Eq`
| doesn't satisfy `NoDerives: Ord`
| doesn't satisfy `NoDerives: PartialEq`
| doesn't satisfy `NoDerives: PartialOrd`
| -------------------- doesn't satisfy `NoDerives: Eq`, `NoDerives: Ord`, `NoDerives: PartialEq` or `NoDerives: PartialOrd`
LL |
LL | struct Object<T>(T);
| ---------------- method `use_ord` not found for this struct
@ -94,12 +82,7 @@ error[E0599]: the method `use_ord_and_partial_ord` exists for struct `Object<NoD
--> $DIR/issue-91550.rs:28:9
|
LL | pub struct NoDerives;
| --------------------
| |
| doesn't satisfy `NoDerives: Eq`
| doesn't satisfy `NoDerives: Ord`
| doesn't satisfy `NoDerives: PartialEq`
| doesn't satisfy `NoDerives: PartialOrd`
| -------------------- doesn't satisfy `NoDerives: Eq`, `NoDerives: Ord`, `NoDerives: PartialEq` or `NoDerives: PartialOrd`
LL |
LL | struct Object<T>(T);
| ---------------- method `use_ord_and_partial_ord` not found for this struct

8
tests/ui/generic-associated-types/issue-119942-unsatisified-gat-bound-during-assoc-ty-selection.stderr
View File

@ -19,16 +19,10 @@ error[E0599]: the size for values of type `Node<i32, RcFamily>` cannot be known
--> $DIR/issue-119942-unsatisified-gat-bound-during-assoc-ty-selection.rs:31:35
|
LL | enum Node<T, P: PointerFamily> {
| ------------------------------
| |
| variant or associated item `new` not found for this enum
| doesn't satisfy `Node<i32, RcFamily>: Sized`
| ------------------------------ variant or associated item `new` not found for this enum because it doesn't satisfy `Node<i32, RcFamily>: Sized`
...
LL | let mut list = RcNode::<i32>::new();
| ^^^ doesn't have a size known at compile-time
--> $SRC_DIR/core/src/ops/deref.rs:LL:COL
|
= note: doesn't satisfy `_: Sized`
|
note: trait bound `Node<i32, RcFamily>: Sized` was not satisfied
--> $DIR/issue-119942-unsatisified-gat-bound-during-assoc-ty-selection.rs:4:18

4
tests/ui/generic-associated-types/method-unsatisfied-assoc-type-predicate.rs
View File

@ -16,9 +16,7 @@ impl<T: X<Y<i32> = i32>> M for T {}
//~| NOTE
struct S;
//~^ NOTE method `f` not found for this
//~| NOTE doesn't satisfy `<S as X>::Y<i32> = i32`
//~| NOTE doesn't satisfy `S: M`
//~^ NOTE method `f` not found for this struct because it doesn't satisfy `<S as X>::Y<i32> = i32` or `S: M`
impl X for S {
type Y<T> = bool;

8
tests/ui/generic-associated-types/method-unsatisfied-assoc-type-predicate.stderr
View File

@ -1,12 +1,8 @@
error[E0599]: the method `f` exists for struct `S`, but its trait bounds were not satisfied
--> $DIR/method-unsatisfied-assoc-type-predicate.rs:28:7
--> $DIR/method-unsatisfied-assoc-type-predicate.rs:26:7
|
LL | struct S;
| --------
| |
| method `f` not found for this struct
| doesn't satisfy `<S as X>::Y<i32> = i32`
| doesn't satisfy `S: M`
| -------- method `f` not found for this struct because it doesn't satisfy `<S as X>::Y<i32> = i32` or `S: M`
...
LL | a.f();
| ^ method cannot be called on `S` due to unsatisfied trait bounds

10
tests/ui/higher-ranked/trait-bounds/issue-30786.stderr
View File

@ -2,10 +2,7 @@ error[E0599]: the method `filterx` exists for struct `Map<Repeat, {closure@issue
--> $DIR/issue-30786.rs:120:22
|
LL | pub struct Map<S, F> {
| --------------------
| |
| method `filterx` not found for this struct
| doesn't satisfy `_: StreamExt`
| -------------------- method `filterx` not found for this struct because it doesn't satisfy `_: StreamExt`
...
LL | let filter = map.filterx(|x: &_| true);
| ^^^^^^^ method cannot be called on `Map<Repeat, {closure@issue-30786.rs:119:27}>` due to unsatisfied trait bounds
@ -23,10 +20,7 @@ error[E0599]: the method `countx` exists for struct `Filter<Map<Repeat, fn(&u64)
--> $DIR/issue-30786.rs:132:24
|
LL | pub struct Filter<S, F> {
| -----------------------
| |
| method `countx` not found for this struct
| doesn't satisfy `_: StreamExt`
| ----------------------- method `countx` not found for this struct because it doesn't satisfy `_: StreamExt`
...
LL | let count = filter.countx();
| ^^^^^^ method cannot be called due to unsatisfied trait bounds

3
tests/ui/iterators/vec-on-unimplemented.stderr
View File

@ -3,9 +3,6 @@ error[E0599]: `Vec<bool>` is not an iterator
|
LL | vec![true, false].map(|v| !v).collect::<Vec<_>>();
| ^^^ `Vec<bool>` is not an iterator; try calling `.into_iter()` or `.iter()`
--> $SRC_DIR/alloc/src/vec/mod.rs:LL:COL
|
= note: doesn't satisfy `Vec<bool>: Iterator`
|
= note: the following trait bounds were not satisfied:
`Vec<bool>: Iterator`

5
tests/ui/methods/method-call-err-msg.stderr
View File

@ -49,10 +49,7 @@ error[E0599]: `Foo` is not an iterator
--> $DIR/method-call-err-msg.rs:19:7
|
LL | pub struct Foo;
| --------------
| |
| method `take` not found for this struct
| doesn't satisfy `Foo: Iterator`
| -------------- method `take` not found for this struct because it doesn't satisfy `Foo: Iterator`
...
LL | / y.zero()
LL | | .take()

6
tests/ui/mismatched_types/issue-36053-2.stderr
View File

@ -21,11 +21,7 @@ error[E0599]: the method `count` exists for struct `Filter<Fuse<Once<&str>>, {cl
LL | once::<&str>("str").fuse().filter(|a: &str| true).count();
| --------- ^^^^^ method cannot be called due to unsatisfied trait bounds
| |
| doesn't satisfy `<_ as FnOnce<(&&str,)>>::Output = bool`
| doesn't satisfy `_: FnMut<(&&str,)>`
--> $SRC_DIR/core/src/iter/adapters/filter.rs:LL:COL
|
= note: doesn't satisfy `_: Iterator`
| doesn't satisfy `<_ as FnOnce<(&&str,)>>::Output = bool` or `_: FnMut<(&&str,)>`
|
= note: the following trait bounds were not satisfied:
`<{closure@$DIR/issue-36053-2.rs:7:39: 7:48} as FnOnce<(&&str,)>>::Output = bool`

5
tests/ui/specialization/defaultimpl/specialization-trait-not-implemented.stderr
View File

@ -12,10 +12,7 @@ error[E0599]: the method `foo_one` exists for struct `MyStruct`, but its trait b
--> $DIR/specialization-trait-not-implemented.rs:22:29
|
LL | struct MyStruct;
| ---------------
| |
| method `foo_one` not found for this struct
| doesn't satisfy `MyStruct: Foo`
| --------------- method `foo_one` not found for this struct because it doesn't satisfy `MyStruct: Foo`
...
LL | println!("{}", MyStruct.foo_one());
| ^^^^^^^ method cannot be called on `MyStruct` due to unsatisfied trait bounds

16
tests/ui/suggestions/derive-trait-for-method-call.stderr
View File

@ -2,10 +2,7 @@ error[E0599]: the method `test` exists for struct `Foo<Enum, CloneEnum>`, but it
--> $DIR/derive-trait-for-method-call.rs:28:15
|
LL | enum Enum {
| ---------
| |
| doesn't satisfy `Enum: Clone`
| doesn't satisfy `Enum: Default`
| --------- doesn't satisfy `Enum: Clone` or `Enum: Default`
...
LL | enum CloneEnum {
| -------------- doesn't satisfy `CloneEnum: Default`
@ -40,10 +37,7 @@ error[E0599]: the method `test` exists for struct `Foo<Struct, CloneStruct>`, bu
--> $DIR/derive-trait-for-method-call.rs:34:15
|
LL | struct Struct {
| -------------
| |
| doesn't satisfy `Struct: Clone`
| doesn't satisfy `Struct: Default`
| ------------- doesn't satisfy `Struct: Clone` or `Struct: Default`
...
LL | struct CloneStruct {
| ------------------ doesn't satisfy `CloneStruct: Default`
@ -85,12 +79,6 @@ LL | struct Foo<X, Y> (X, Y);
...
LL | let y = x.test();
| ^^^^ method cannot be called on `Foo<Vec<Enum>, Instant>` due to unsatisfied trait bounds
--> $SRC_DIR/std/src/time.rs:LL:COL
|
= note: doesn't satisfy `Instant: Default`
--> $SRC_DIR/alloc/src/vec/mod.rs:LL:COL
|
= note: doesn't satisfy `Vec<Enum>: Clone`
|
note: the following trait bounds were not satisfied:
`Instant: Default`

3
tests/ui/suggestions/mut-borrow-needed-by-trait.stderr
View File

@ -25,9 +25,6 @@ error[E0599]: the method `write_fmt` exists for struct `BufWriter<&dyn Write>`,
|
LL | writeln!(fp, "hello world").unwrap();
| ---------^^---------------- method cannot be called on `BufWriter<&dyn Write>` due to unsatisfied trait bounds
--> $SRC_DIR/std/src/io/buffered/bufwriter.rs:LL:COL
|
= note: doesn't satisfy `BufWriter<&dyn std::io::Write>: std::io::Write`
|
note: must implement `io::Write`, `fmt::Write`, or have a `write_fmt` method
--> $DIR/mut-borrow-needed-by-trait.rs:21:14

3
tests/ui/suggestions/suggest-change-mut.stderr
View File

@ -27,9 +27,6 @@ error[E0599]: the method `read_until` exists for struct `BufReader<&T>`, but its
|
LL | stream_reader.read_until(b'\n', &mut buffer).expect("Reading into buffer failed");
| ^^^^^^^^^^ method cannot be called on `BufReader<&T>` due to unsatisfied trait bounds
--> $SRC_DIR/std/src/io/buffered/bufreader.rs:LL:COL
|
= note: doesn't satisfy `BufReader<&T>: BufRead`
|
= note: the following trait bounds were not satisfied:
`&T: std::io::Read`

5
tests/ui/trait-bounds/impl-derived-implicit-sized-bound-2.stderr
View File

@ -2,10 +2,7 @@ error[E0599]: the method `get` exists for struct `Victim<'_, Self>`, but its tra
--> $DIR/impl-derived-implicit-sized-bound-2.rs:28:19
|
LL | struct Victim<'a, T: Perpetrator + ?Sized> {
| ------------------------------------------
| |
| method `get` not found for this struct
| doesn't satisfy `Victim<'_, Self>: VictimTrait`
| ------------------------------------------ method `get` not found for this struct because it doesn't satisfy `Victim<'_, Self>: VictimTrait`
...
LL | self.getter().get();
| ^^^ method cannot be called on `Victim<'_, Self>` due to unsatisfied trait bounds

5
tests/ui/trait-bounds/impl-derived-implicit-sized-bound.stderr
View File

@ -2,10 +2,7 @@ error[E0599]: the method `get` exists for struct `Victim<'_, Self>`, but its tra
--> $DIR/impl-derived-implicit-sized-bound.rs:31:19
|
LL | struct Victim<'a, T: Perpetrator + ?Sized>
| ------------------------------------------
| |
| method `get` not found for this struct
| doesn't satisfy `Victim<'_, Self>: VictimTrait`
| ------------------------------------------ method `get` not found for this struct because it doesn't satisfy `Victim<'_, Self>: VictimTrait`
...
LL | self.getter().get();
| ^^^ method cannot be called on `Victim<'_, Self>` due to unsatisfied trait bounds

5
tests/ui/traits/track-obligations.stderr
View File

@ -2,10 +2,7 @@ error[E0599]: the method `check` exists for struct `Client<()>`, but its trait b
--> $DIR/track-obligations.rs:83:16
|
LL | struct ALayer<C>(C);
| ----------------
| |
| doesn't satisfy `<_ as Layer<()>>::Service = <ALayer<()> as ParticularServiceLayer<()>>::Service`
| doesn't satisfy `ALayer<()>: ParticularServiceLayer<()>`
| ---------------- doesn't satisfy `<_ as Layer<()>>::Service = <ALayer<()> as ParticularServiceLayer<()>>::Service` or `ALayer<()>: ParticularServiceLayer<()>`
...
LL | struct Client<C>(C);
| ---------------- method `check` not found for this struct

6
tests/ui/typeck/derive-sugg-arg-arity.stderr
View File

@ -2,11 +2,7 @@ error[E0599]: the function or associated item `partial_cmp` exists for struct `A
--> $DIR/derive-sugg-arg-arity.rs:5:23
|
LL | pub struct A;
| ------------
| |
| function or associated item `partial_cmp` not found for this struct
| doesn't satisfy `A: Iterator`
| doesn't satisfy `A: PartialOrd<_>`
| ------------ function or associated item `partial_cmp` not found for this struct because it doesn't satisfy `A: Iterator` or `A: PartialOrd<_>`
...
LL | _ => match A::partial_cmp() {},
| ^^^^^^^^^^^ function or associated item cannot be called on `A` due to unsatisfied trait bounds

6
tests/ui/typeck/issue-31173.stderr
View File

@ -35,12 +35,6 @@ LL | | .collect();
| | -^^^^^^^ method cannot be called due to unsatisfied trait bounds
| |_________|
|
--> $SRC_DIR/core/src/iter/adapters/take_while.rs:LL:COL
|
= note: doesn't satisfy `<_ as Iterator>::Item = &_`
--> $SRC_DIR/core/src/iter/adapters/cloned.rs:LL:COL
|
= note: doesn't satisfy `_: Iterator`
|
= note: the following trait bounds were not satisfied:
`<TakeWhile<&mut std::vec::IntoIter<u8>, {closure@$DIR/issue-31173.rs:7:21: 7:25}> as Iterator>::Item = &_`

5
tests/ui/union/union-derive-clone.stderr
View File

@ -17,10 +17,7 @@ error[E0599]: the method `clone` exists for union `U5<CloneNoCopy>`, but its tra
--> $DIR/union-derive-clone.rs:35:15
|
LL | union U5<T> {
| -----------
| |
| method `clone` not found for this union
| doesn't satisfy `U5<CloneNoCopy>: Clone`
| ----------- method `clone` not found for this union because it doesn't satisfy `U5<CloneNoCopy>: Clone`
...
LL | struct CloneNoCopy;
| ------------------ doesn't satisfy `CloneNoCopy: Copy`