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Auto merge of #104289 - Dylan-DPC:rollup-v7wei2t, r=Dylan-DPC

Browse source 
Rollup of 9 pull requests

Successful merges:

 - #100633 (Consider `#[must_use]` annotation on `async fn` as also affecting the `Future::Output`)
 - #103445 (`#[test]`: Point at return type if `Termination` bound is unsatisfied)
 - #103924 (Fix broken link in description of error code E0706)
 - #104146 (Retry binding TCP Socket in remote-test-server)
 - #104169 (Migrate `:target` rules to use CSS variables)
 - #104202 (Fix ICE #103748)
 - #104216 (Don't ICE on operator trait methods with generic methods)
 - #104217 (Display help message when fluent arg was referenced incorrectly)
 - #104245 (Reduce default configuration's dependency upon static libstdcpp library (#103606))

Failed merges:

r? `@ghost`
`@rustbot` modify labels: rollup
This commit is contained in:
bors 2022-11-11 17:29:10 +00:00
commit 7d85104b96
50 changed files with 380 additions and 147 deletions
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35
src/test/rustdoc-gui/target.goml Normal file
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@ -0,0 +1,35 @@
// Check that the targetted element has the expected styles.
goto: "file://" + |DOC_PATH| + "/lib2/struct.Foo.html#method.a_method"
show-text: true
// Confirming that the method is the target.
assert: "#method\.a_method:target"
define-function: (
"check-style",
(theme, background, border),
[
("local-storage", {"rustdoc-theme": |theme|, "rustdoc-use-system-theme": "false"}),
("reload"),
("assert-css", ("#method\.a_method:target", {
"background-color": |background|,
"border-right": "3px solid " + |border|,
})),
],
)
call-function: ("check-style", {
"theme": "ayu",
"background": "rgba(255, 236, 164, 0.06)",
"border": "rgba(255, 180, 76, 0.85)",
})
call-function: ("check-style", {
"theme": "dark",
"background": "rgb(73, 74, 61)",
"border": "rgb(187, 116, 16)",
})
call-function: ("check-style", {
"theme": "light",
"background": "rgb(253, 255, 211)",
"border": "rgb(173, 124, 55)",
})

4
src/test/ui/closures/2229_closure_analysis/match/issue-87097.stderr
View file

@ -16,7 +16,7 @@ LL | / || match out_ref {
LL | | Variant::A => (),
LL | | Variant::B => (),
LL | | };
| |______^
| |_____^
|
= note: closures are lazy and do nothing unless called
= note: `#[warn(unused_must_use)]` on by default
@ -28,7 +28,7 @@ LL | / || match here.field {
LL | | Variant::A => (),
LL | | Variant::B => (),
LL | | };
| |______^
| |_____^
|
= note: closures are lazy and do nothing unless called

2
src/test/ui/conditional-compilation/cfg-attr-multi-true.stderr
View file

@ -28,7 +28,7 @@ warning: unused `MustUseDeprecated` that must be used
--> $DIR/cfg-attr-multi-true.rs:19:5
|
LL | MustUseDeprecated::new();
| ^^^^^^^^^^^^^^^^^^^^^^^^^
| ^^^^^^^^^^^^^^^^^^^^^^^^
|
note: the lint level is defined here
--> $DIR/cfg-attr-multi-true.rs:7:9

4
src/test/ui/generator/issue-52398.stderr
View file

@ -4,7 +4,7 @@ warning: unused generator that must be used
LL | / move || {
LL | | A.test(yield);
LL | | };
| |______^
| |_____^
|
= note: generators are lazy and do nothing unless resumed
= note: `#[warn(unused_must_use)]` on by default
@ -16,7 +16,7 @@ LL | / static move || {
LL | | yield *y.borrow();
LL | | return "Done";
LL | | };
| |______^
| |_____^
|
= note: generators are lazy and do nothing unless resumed

2
src/test/ui/generator/issue-57084.stderr
View file

@ -7,7 +7,7 @@ LL | | loop {
LL | | yield
LL | | }
LL | | };
| |______^
| |_____^
|
= note: generators are lazy and do nothing unless resumed
= note: `#[warn(unused_must_use)]` on by default

2
src/test/ui/generator/match-bindings.stderr
View file

@ -8,7 +8,7 @@ LL | | match Enum::A(String::new()) {
... |
LL | | }
LL | | };
| |______^
| |_____^
|
= note: generators are lazy and do nothing unless resumed
= note: `#[warn(unused_must_use)]` on by default

2
src/test/ui/generator/reborrow-mut-upvar.stderr
View file

@ -8,7 +8,7 @@ LL | | yield;
... |
LL | | *bar = 2;
LL | | };
| |______^
| |_____^
|
= note: generators are lazy and do nothing unless resumed
= note: `#[warn(unused_must_use)]` on by default

2
src/test/ui/generator/too-live-local-in-immovable-gen.stderr
View file

@ -8,7 +8,7 @@ LL | | // and it should also find out that `a` is not live.
... |
LL | | let _ = &a;
LL | | };
| |__________^
| |_________^
|
= note: generators are lazy and do nothing unless resumed
= note: `#[warn(unused_must_use)]` on by default

2
src/test/ui/generator/yield-in-args-rev.stderr
View file

@ -5,7 +5,7 @@ LL | / || {
LL | | let b = true;
LL | | foo(yield, &b);
LL | | };
| |______^
| |_____^
|
= note: generators are lazy and do nothing unless resumed
= note: `#[warn(unused_must_use)]` on by default

2
src/test/ui/generator/yield-in-box.stderr
View file

@ -8,7 +8,7 @@ LL | | let _t = box (&x, yield 0, &y);
... |
LL | | }
LL | | };
| |______^
| |_____^
|
= note: generators are lazy and do nothing unless resumed
= note: `#[warn(unused_must_use)]` on by default

2
src/test/ui/generator/yield-in-initializer.stderr
View file

@ -8,7 +8,7 @@ LL | | // See https://github.com/rust-lang/rust/issues/52792
... |
LL | | }
LL | | };
| |______^
| |_____^
|
= note: generators are lazy and do nothing unless resumed
= note: `#[warn(unused_must_use)]` on by default

2
src/test/ui/generator/yield-subtype.stderr
View file

@ -5,7 +5,7 @@ LL | / || {
LL | | yield a;
LL | | yield b;
LL | | };
| |______^
| |_____^
|
= note: generators are lazy and do nothing unless resumed
= note: `#[warn(unused_must_use)]` on by default

2
src/test/ui/issues/issue-1460.stderr
View file

@ -2,7 +2,7 @@ warning: unused closure that must be used
--> $DIR/issue-1460.rs:6:5
|
LL | {|i: u32| if 1 == i { }};
| ^^^^^^^^^^^^^^^^^^^^^^^^^
| ^^^^^^^^^^^^^^^^^^^^^^^^
|
= note: closures are lazy and do nothing unless called
= note: `#[warn(unused_must_use)]` on by default

2
src/test/ui/issues/issue-16256.stderr
View file

@ -2,7 +2,7 @@ warning: unused closure that must be used
--> $DIR/issue-16256.rs:6:5
|
LL | |c: u8| buf.push(c);
| ^^^^^^^^^^^^^^^^^^^^
| ^^^^^^^^^^^^^^^^^^^
|
= note: closures are lazy and do nothing unless called
= note: `#[warn(unused_must_use)]` on by default

12
src/test/ui/lint/fn_must_use.stderr
View file

@ -2,7 +2,7 @@ warning: unused return value of `need_to_use_this_value` that must be used
--> $DIR/fn_must_use.rs:55:5
|
LL | need_to_use_this_value();
| ^^^^^^^^^^^^^^^^^^^^^^^^^
| ^^^^^^^^^^^^^^^^^^^^^^^^
|
= note: it's important
note: the lint level is defined here
@ -15,13 +15,13 @@ warning: unused return value of `MyStruct::need_to_use_this_method_value` that m
--> $DIR/fn_must_use.rs:60:5
|
LL | m.need_to_use_this_method_value();
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
warning: unused return value of `EvenNature::is_even` that must be used
--> $DIR/fn_must_use.rs:61:5
|
LL | m.is_even(); // trait method!
| ^^^^^^^^^^^^
| ^^^^^^^^^^^
|
= note: no side effects
@ -29,19 +29,19 @@ warning: unused return value of `MyStruct::need_to_use_this_associated_function_
--> $DIR/fn_must_use.rs:64:5
|
LL | MyStruct::need_to_use_this_associated_function_value();
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
warning: unused return value of `std::cmp::PartialEq::eq` that must be used
--> $DIR/fn_must_use.rs:70:5
|
LL | 2.eq(&3);
| ^^^^^^^^^
| ^^^^^^^^
warning: unused return value of `std::cmp::PartialEq::eq` that must be used
--> $DIR/fn_must_use.rs:71:5
|
LL | m.eq(&n);
| ^^^^^^^^^
| ^^^^^^^^
warning: unused comparison that must be used
--> $DIR/fn_must_use.rs:74:5

2
src/test/ui/lint/unused/must-use-box-from-raw.stderr
View file

@ -2,7 +2,7 @@ warning: unused return value of `Box::<T>::from_raw` that must be used
--> $DIR/must-use-box-from-raw.rs:8:5
|
LL | Box::from_raw(ptr);
| ^^^^^^^^^^^^^^^^^^^
| ^^^^^^^^^^^^^^^^^^
|
= note: call `drop(from_raw(ptr))` if you intend to drop the `Box`
note: the lint level is defined here

8
src/test/ui/lint/unused/must_use-array.stderr
View file

@ -2,7 +2,7 @@ error: unused array of `S` that must be used
--> $DIR/must_use-array.rs:39:5
|
LL | singleton();
| ^^^^^^^^^^^^
| ^^^^^^^^^^^
|
note: the lint level is defined here
--> $DIR/must_use-array.rs:1:9
@ -14,7 +14,7 @@ error: unused array of `S` that must be used
--> $DIR/must_use-array.rs:40:5
|
LL | many();
| ^^^^^^^
| ^^^^^^
error: unused array of `S` in tuple element 0 that must be used
--> $DIR/must_use-array.rs:41:6
@ -26,7 +26,7 @@ error: unused array of implementers of `T` that must be used
--> $DIR/must_use-array.rs:42:5
|
LL | array_of_impl_trait();
| ^^^^^^^^^^^^^^^^^^^^^^
| ^^^^^^^^^^^^^^^^^^^^^
error: unused array of boxed `T` trait objects in tuple element 1 that must be used
--> $DIR/must_use-array.rs:43:5
@ -38,7 +38,7 @@ error: unused array of arrays of arrays of `S` that must be used
--> $DIR/must_use-array.rs:45:5
|
LL | array_of_arrays_of_arrays();
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^
error: aborting due to 6 previous errors

10
src/test/ui/lint/unused/must_use-in-stdlib-traits.stderr
View file

@ -2,7 +2,7 @@ error: unused implementer of `Iterator` that must be used
--> $DIR/must_use-in-stdlib-traits.rs:42:4
|
LL | iterator();
| ^^^^^^^^^^^
| ^^^^^^^^^^
|
= note: iterators are lazy and do nothing unless consumed
note: the lint level is defined here
@ -15,7 +15,7 @@ error: unused implementer of `Future` that must be used
--> $DIR/must_use-in-stdlib-traits.rs:43:4
|
LL | future();
| ^^^^^^^^^
| ^^^^^^^^
|
= note: futures do nothing unless you `.await` or poll them
@ -23,7 +23,7 @@ error: unused implementer of `FnOnce` that must be used
--> $DIR/must_use-in-stdlib-traits.rs:44:4
|
LL | square_fn_once();
| ^^^^^^^^^^^^^^^^^
| ^^^^^^^^^^^^^^^^
|
= note: closures are lazy and do nothing unless called
@ -31,7 +31,7 @@ error: unused implementer of `FnMut` that must be used
--> $DIR/must_use-in-stdlib-traits.rs:45:4
|
LL | square_fn_mut();
| ^^^^^^^^^^^^^^^^
| ^^^^^^^^^^^^^^^
|
= note: closures are lazy and do nothing unless called
@ -39,7 +39,7 @@ error: unused implementer of `Fn` that must be used
--> $DIR/must_use-in-stdlib-traits.rs:46:4
|
LL | square_fn();
| ^^^^^^^^^^^^
| ^^^^^^^^^^^
|
= note: closures are lazy and do nothing unless called

6
src/test/ui/lint/unused/must_use-trait.stderr
View file

@ -2,7 +2,7 @@ error: unused implementer of `Critical` that must be used
--> $DIR/must_use-trait.rs:33:5
|
LL | get_critical();
| ^^^^^^^^^^^^^^^
| ^^^^^^^^^^^^^^
|
note: the lint level is defined here
--> $DIR/must_use-trait.rs:1:9
@ -14,13 +14,13 @@ error: unused boxed `Critical` trait object that must be used
--> $DIR/must_use-trait.rs:34:5
|
LL | get_boxed_critical();
| ^^^^^^^^^^^^^^^^^^^^^
| ^^^^^^^^^^^^^^^^^^^^
error: unused boxed boxed `Critical` trait object that must be used
--> $DIR/must_use-trait.rs:35:5
|
LL | get_nested_boxed_critical();
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^
error: unused boxed `Critical` trait object in tuple element 1 that must be used
--> $DIR/must_use-trait.rs:37:5

4
src/test/ui/lint/unused/must_use-unit.stderr
View file

@ -2,7 +2,7 @@ error: unused return value of `foo` that must be used
--> $DIR/must_use-unit.rs:13:5
|
LL | foo();
| ^^^^^^
| ^^^^^
|
note: the lint level is defined here
--> $DIR/must_use-unit.rs:2:9
@ -14,7 +14,7 @@ error: unused return value of `bar` that must be used
--> $DIR/must_use-unit.rs:15:5
|
LL | bar();
| ^^^^^^
| ^^^^^
error: aborting due to 2 previous errors

29
src/test/ui/lint/unused/unused-async.rs
View file

@ -1,24 +1,43 @@
// edition:2018
// run-pass
#![allow(dead_code)]
#![deny(unused_must_use)]
#[must_use]
//~^ WARNING `must_use`
async fn test() -> i32 {
async fn foo() -> i32 {
1
}
#[must_use]
fn bar() -> impl std::future::Future<Output=i32> {
async {
42
}
}
async fn baz() -> i32 {
0
}
struct Wowee {}
impl Wowee {
#[must_use]
//~^ WARNING `must_use`
async fn test_method() -> i32 {
1
}
}
async fn test() {
foo(); //~ ERROR unused return value of `foo` that must be used
//~^ ERROR unused implementer of `Future` that must be used
foo().await; //~ ERROR unused output of future returned by `foo` that must be used
bar(); //~ ERROR unused return value of `bar` that must be used
//~^ ERROR unused implementer of `Future` that must be used
bar().await; //~ ERROR unused output of future returned by `bar` that must be used
baz(); //~ ERROR unused implementer of `Future` that must be used
baz().await; // ok
}
/* FIXME(guswynn) update this test when async-fn-in-traits works
trait Doer {
#[must_use]

71
src/test/ui/lint/unused/unused-async.stderr
View file

@ -1,26 +1,55 @@
warning: `must_use` attribute on `async` functions applies to the anonymous `Future` returned by the function, not the value within
--> $DIR/unused-async.rs:5:1
error: unused implementer of `Future` that must be used
--> $DIR/unused-async.rs:31:5
|
LL | #[must_use]
| ^^^^^^^^^^^
LL |
LL | / async fn test() -> i32 {
LL | | 1
LL | | }
| |_- this attribute does nothing, the `Future`s returned by async functions are already `must_use`
LL | foo();
| ^^^^^
|
= note: `#[warn(unused_attributes)]` on by default
warning: `must_use` attribute on `async` functions applies to the anonymous `Future` returned by the function, not the value within
--> $DIR/unused-async.rs:15:5
= note: futures do nothing unless you `.await` or poll them
note: the lint level is defined here
--> $DIR/unused-async.rs:2:9
|
LL | #[must_use]
| ^^^^^^^^^^^
LL |
LL | / async fn test_method() -> i32 {
LL | | 1
LL | | }
| |_____- this attribute does nothing, the `Future`s returned by async functions are already `must_use`
LL | #![deny(unused_must_use)]
| ^^^^^^^^^^^^^^^
warning: 2 warnings emitted
error: unused return value of `foo` that must be used
--> $DIR/unused-async.rs:31:5
|
LL | foo();
| ^^^^^
error: unused output of future returned by `foo` that must be used
--> $DIR/unused-async.rs:33:5
|
LL | foo().await;
| ^^^^^^^^^^^
error: unused implementer of `Future` that must be used
--> $DIR/unused-async.rs:34:5
|
LL | bar();
| ^^^^^
|
= note: futures do nothing unless you `.await` or poll them
error: unused return value of `bar` that must be used
--> $DIR/unused-async.rs:34:5
|
LL | bar();
| ^^^^^
error: unused output of future returned by `bar` that must be used
--> $DIR/unused-async.rs:36:5
|
LL | bar().await;
| ^^^^^^^^^^^
error: unused implementer of `Future` that must be used
--> $DIR/unused-async.rs:37:5
|
LL | baz();
| ^^^^^
|
= note: futures do nothing unless you `.await` or poll them
error: aborting due to 7 previous errors

14
src/test/ui/lint/unused/unused-closure.stderr
View file

@ -4,7 +4,7 @@ error: unused closure that must be used
LL | / || {
LL | | println!("Hello!");
LL | | };
| |______^
| |_____^
|
= note: closures are lazy and do nothing unless called
note: the lint level is defined here
@ -17,7 +17,7 @@ error: unused implementer of `Future` that must be used
--> $DIR/unused-closure.rs:13:5
|
LL | async {};
| ^^^^^^^^^
| ^^^^^^^^
|
= note: futures do nothing unless you `.await` or poll them
@ -25,7 +25,7 @@ error: unused closure that must be used
--> $DIR/unused-closure.rs:14:5
|
LL | || async {};
| ^^^^^^^^^^^^
| ^^^^^^^^^^^
|
= note: closures are lazy and do nothing unless called
@ -33,7 +33,7 @@ error: unused closure that must be used
--> $DIR/unused-closure.rs:15:5
|
LL | async || {};
| ^^^^^^^^^^^^
| ^^^^^^^^^^^
|
= note: closures are lazy and do nothing unless called
@ -41,7 +41,7 @@ error: unused array of boxed arrays of closures that must be used
--> $DIR/unused-closure.rs:18:5
|
LL | [Box::new([|| {}; 10]); 1];
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^
| ^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= note: closures are lazy and do nothing unless called
@ -49,7 +49,7 @@ error: unused closure that must be used
--> $DIR/unused-closure.rs:20:5
|
LL | vec![|| "a"].pop().unwrap();
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= note: closures are lazy and do nothing unless called
@ -57,7 +57,7 @@ error: unused closure that must be used
--> $DIR/unused-closure.rs:23:9
|
LL | || true;
| ^^^^^^^^
| ^^^^^^^
|
= note: closures are lazy and do nothing unless called

8
src/test/ui/lint/unused/unused-result.stderr
View file

@ -2,7 +2,7 @@ error: unused `MustUse` that must be used
--> $DIR/unused-result.rs:21:5
|
LL | foo::<MustUse>();
| ^^^^^^^^^^^^^^^^^
| ^^^^^^^^^^^^^^^^
|
note: the lint level is defined here
--> $DIR/unused-result.rs:2:25
@ -14,7 +14,7 @@ error: unused `MustUseMsg` that must be used
--> $DIR/unused-result.rs:22:5
|
LL | foo::<MustUseMsg>();
| ^^^^^^^^^^^^^^^^^^^^
| ^^^^^^^^^^^^^^^^^^^
|
= note: some message
@ -34,13 +34,13 @@ error: unused `MustUse` that must be used
--> $DIR/unused-result.rs:35:5
|
LL | foo::<MustUse>();
| ^^^^^^^^^^^^^^^^^
| ^^^^^^^^^^^^^^^^
error: unused `MustUseMsg` that must be used
--> $DIR/unused-result.rs:36:5
|
LL | foo::<MustUseMsg>();
| ^^^^^^^^^^^^^^^^^^^^
| ^^^^^^^^^^^^^^^^^^^
|
= note: some message

2
src/test/ui/lint/unused/unused-supertrait.stderr
View file

@ -2,7 +2,7 @@ error: unused implementer of `Iterator` that must be used
--> $DIR/unused-supertrait.rs:9:5
|
LL | it();
| ^^^^^
| ^^^^
|
= note: iterators are lazy and do nothing unless consumed
note: the lint level is defined here

14
src/test/ui/lint/unused/unused_attributes-must_use.stderr
View file

@ -139,7 +139,7 @@ error: unused `X` that must be used
--> $DIR/unused_attributes-must_use.rs:103:5
|
LL | X;
| ^^
| ^
|
note: the lint level is defined here
--> $DIR/unused_attributes-must_use.rs:2:28
@ -151,37 +151,37 @@ error: unused `Y` that must be used
--> $DIR/unused_attributes-must_use.rs:104:5
|
LL | Y::Z;
| ^^^^^
| ^^^^
error: unused `U` that must be used
--> $DIR/unused_attributes-must_use.rs:105:5
|
LL | U { unit: () };
| ^^^^^^^^^^^^^^^
| ^^^^^^^^^^^^^^
error: unused return value of `U::method` that must be used
--> $DIR/unused_attributes-must_use.rs:106:5
|
LL | U::method();
| ^^^^^^^^^^^^
| ^^^^^^^^^^^
error: unused return value of `foo` that must be used
--> $DIR/unused_attributes-must_use.rs:107:5
|
LL | foo();
| ^^^^^^
| ^^^^^
error: unused return value of `foreign_foo` that must be used
--> $DIR/unused_attributes-must_use.rs:110:9
|
LL | foreign_foo();
| ^^^^^^^^^^^^^^
| ^^^^^^^^^^^^^
error: unused return value of `Use::get_four` that must be used
--> $DIR/unused_attributes-must_use.rs:118:5
|
LL | ().get_four();
| ^^^^^^^^^^^^^^
| ^^^^^^^^^^^^^
error: aborting due to 28 previous errors

2
src/test/ui/nll/issue-48623-generator.stderr
View file

@ -2,7 +2,7 @@ warning: unused generator that must be used
--> $DIR/issue-48623-generator.rs:15:5
|
LL | move || { d; yield; &mut *r };
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= note: generators are lazy and do nothing unless resumed
= note: `#[warn(unused_must_use)]` on by default

8
src/test/ui/parser/issue-103748-ICE-wrong-braces.rs Normal file
View file

@ -0,0 +1,8 @@
#![crate_type = "lib"]
struct Apple((Apple, Option(Banana ? Citron)));
//~^ ERROR invalid `?` in type
//~| ERROR expected one of `)` or `,`, found `Citron`
//~| ERROR cannot find type `Citron` in this scope [E0412]
//~| ERROR parenthesized type parameters may only be used with a `Fn` trait [E0214]
//~| ERROR recursive type `Apple` has infinite size [E0072]

51
src/test/ui/parser/issue-103748-ICE-wrong-braces.stderr Normal file
View file

@ -0,0 +1,51 @@
error: invalid `?` in type
--> $DIR/issue-103748-ICE-wrong-braces.rs:3:36
|
LL | struct Apple((Apple, Option(Banana ? Citron)));
| ^ `?` is only allowed on expressions, not types
|
help: if you meant to express that the type might not contain a value, use the `Option` wrapper type
|
LL | struct Apple((Apple, Option(Option<Banana > Citron)));
| +++++++ ~
error: expected one of `)` or `,`, found `Citron`
--> $DIR/issue-103748-ICE-wrong-braces.rs:3:38
|
LL | struct Apple((Apple, Option(Banana ? Citron)));
| -^^^^^^ expected one of `)` or `,`
| |
| help: missing `,`
error[E0412]: cannot find type `Citron` in this scope
--> $DIR/issue-103748-ICE-wrong-braces.rs:3:38
|
LL | struct Apple((Apple, Option(Banana ? Citron)));
| ^^^^^^ not found in this scope
error[E0214]: parenthesized type parameters may only be used with a `Fn` trait
--> $DIR/issue-103748-ICE-wrong-braces.rs:3:22
|
LL | struct Apple((Apple, Option(Banana ? Citron)));
| ^^^^^^^^^^^^^^^^^^^^^^^ only `Fn` traits may use parentheses
|
help: use angle brackets instead
|
LL | struct Apple((Apple, Option<Banana ? Citron>));
| ~ ~
error[E0072]: recursive type `Apple` has infinite size
--> $DIR/issue-103748-ICE-wrong-braces.rs:3:1
|
LL | struct Apple((Apple, Option(Banana ? Citron)));
| ^^^^^^^^^^^^ ----- recursive without indirection
|
help: insert some indirection (e.g., a `Box`, `Rc`, or `&`) to break the cycle
|
LL | struct Apple((Box<Apple>, Option(Banana ? Citron)));
| ++++ +
error: aborting due to 5 previous errors
Some errors have detailed explanations: E0072, E0214, E0412.
For more information about an error, try `rustc --explain E0072`.

12
src/test/ui/rfc-1937-termination-trait/termination-trait-test-wrong-type.stderr
View file

@ -1,12 +1,10 @@
error[E0277]: the trait bound `f32: Termination` is not satisfied
--> $DIR/termination-trait-test-wrong-type.rs:6:1
--> $DIR/termination-trait-test-wrong-type.rs:6:31
|
LL | #[test]
| ------- in this procedural macro expansion
LL | / fn can_parse_zero_as_f32() -> Result<f32, ParseFloatError> {
LL | | "0".parse()
LL | | }
| |_^ the trait `Termination` is not implemented for `f32`
LL | #[test]
| ------- in this procedural macro expansion
LL | fn can_parse_zero_as_f32() -> Result<f32, ParseFloatError> {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Termination` is not implemented for `f32`
|
= note: required for `Result<f32, ParseFloatError>` to implement `Termination`
note: required by a bound in `assert_test_result`

23
src/test/ui/traits/invalid_operator_trait.rs Normal file
View file

@ -0,0 +1,23 @@
#![crate_type = "lib"]
#![feature(lang_items)]
#![feature(no_core)]
#![no_core]
#[lang="sized"]
pub trait Sized {
// Empty.
}
#[lang = "add"]
trait Add<RHS=Self> {
type Output;
fn add<Y>(self, _: RHS) -> Self::Output;
//~^ ERROR `add` must not have any generic parameters
}
#[allow(unreachable_code)]
fn ice(a: usize) {
let r = loop {};
r = r + a;
}

8
src/test/ui/traits/invalid_operator_trait.stderr Normal file
View file

@ -0,0 +1,8 @@
error: `add` must not have any generic parameters
--> $DIR/invalid_operator_trait.rs:15:5
|
LL | fn add<Y>(self, _: RHS) -> Self::Output;
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
error: aborting due to previous error