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5b54286640
Remove the "which is required by `{root_obligation}`" post-script in
"the trait `X` is not implemented for `Y`" explanation in E0277. This
information is already conveyed in the notes explaining requirements,
making it redundant while making the text (particularly in labels)
harder to read.
```
error[E0277]: the trait bound `NotCopy: Copy` is not satisfied
--> $DIR/wf-static-type.rs:10:13
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LL | static FOO: IsCopy<Option<NotCopy>> = IsCopy { t: None };
| ^^^^^^^^^^^^^^^^^^^^^^^ the trait `Copy` is not implemented for `NotCopy`
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= note: required for `Option<NotCopy>` to implement `Copy`
note: required by a bound in `IsCopy`
--> $DIR/wf-static-type.rs:7:17
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LL | struct IsCopy<T:Copy> { t: T }
| ^^^^ required by this bound in `IsCopy`
```
vs the prior
```
error[E0277]: the trait bound `NotCopy: Copy` is not satisfied
--> $DIR/wf-static-type.rs:10:13
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LL | static FOO: IsCopy<Option<NotCopy>> = IsCopy { t: None };
| ^^^^^^^^^^^^^^^^^^^^^^^ the trait `Copy` is not implemented for `NotCopy`, which is required by `Option<NotCopy>: Copy`
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= note: required for `Option<NotCopy>` to implement `Copy`
note: required by a bound in `IsCopy`
--> $DIR/wf-static-type.rs:7:17
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LL | struct IsCopy<T:Copy> { t: T }
| ^^^^ required by this bound in `IsCopy`
```
60 lines
2.0 KiB
Plaintext
60 lines
2.0 KiB
Plaintext
error[E0277]: `Rc<Cell<i32>>` cannot be sent between threads safely
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--> $DIR/auto-trait-leak2.rs:20:10
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LL | fn before() -> impl Fn(i32) {
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| ------------ within this `impl Fn(i32)`
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...
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LL | send(before());
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| ---- ^^^^^^^^ `Rc<Cell<i32>>` cannot be sent between threads safely
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| |
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| required by a bound introduced by this call
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= help: within `impl Fn(i32)`, the trait `Send` is not implemented for `Rc<Cell<i32>>`
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note: required because it's used within this closure
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--> $DIR/auto-trait-leak2.rs:10:5
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LL | move |x| p.set(x)
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| ^^^^^^^^
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note: required because it appears within the type `impl Fn(i32)`
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--> $DIR/auto-trait-leak2.rs:5:16
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LL | fn before() -> impl Fn(i32) {
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| ^^^^^^^^^^^^
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note: required by a bound in `send`
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--> $DIR/auto-trait-leak2.rs:13:12
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LL | fn send<T: Send>(_: T) {}
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| ^^^^ required by this bound in `send`
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error[E0277]: `Rc<Cell<i32>>` cannot be sent between threads safely
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--> $DIR/auto-trait-leak2.rs:25:10
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LL | send(after());
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| ---- ^^^^^^^ `Rc<Cell<i32>>` cannot be sent between threads safely
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| |
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| required by a bound introduced by this call
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...
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LL | fn after() -> impl Fn(i32) {
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| ------------ within this `impl Fn(i32)`
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= help: within `impl Fn(i32)`, the trait `Send` is not implemented for `Rc<Cell<i32>>`
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note: required because it's used within this closure
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--> $DIR/auto-trait-leak2.rs:38:5
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LL | move |x| p.set(x)
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| ^^^^^^^^
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note: required because it appears within the type `impl Fn(i32)`
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--> $DIR/auto-trait-leak2.rs:33:15
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LL | fn after() -> impl Fn(i32) {
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| ^^^^^^^^^^^^
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note: required by a bound in `send`
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--> $DIR/auto-trait-leak2.rs:13:12
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LL | fn send<T: Send>(_: T) {}
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| ^^^^ required by this bound in `send`
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error: aborting due to 2 previous errors
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For more information about this error, try `rustc --explain E0277`.
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