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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`
--> $DIR/wf-static-type.rs:7:17
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LL | struct IsCopy<T:Copy> { t: T }
| ^^^^ required by this bound in `IsCopy`
```
139 lines
5.3 KiB
Plaintext
139 lines
5.3 KiB
Plaintext
error[E0277]: the trait bound `Vec<u32>: Copy` is not satisfied in `{coroutine@$DIR/clone-impl.rs:43:5: 43:12}`
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--> $DIR/clone-impl.rs:49:5
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LL | move || {
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| ------- within this `{coroutine@$DIR/clone-impl.rs:43:5: 43:12}`
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...
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LL | check_copy(&gen_clone_0);
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| ^^^^^^^^^^^^^^^^^^^^^^^^ within `{coroutine@$DIR/clone-impl.rs:43:5: 43:12}`, the trait `Copy` is not implemented for `Vec<u32>`
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note: captured value does not implement `Copy`
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--> $DIR/clone-impl.rs:47:14
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LL | drop(clonable_0);
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| ^^^^^^^^^^ has type `Vec<u32>` which does not implement `Copy`
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note: required by a bound in `check_copy`
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--> $DIR/clone-impl.rs:89:18
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LL | fn check_copy<T: Copy>(_x: &T) {}
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| ^^^^ required by this bound in `check_copy`
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error[E0277]: the trait bound `Vec<char>: Copy` is not satisfied in `{coroutine@$DIR/clone-impl.rs:43:5: 43:12}`
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--> $DIR/clone-impl.rs:49:5
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LL | move || {
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| ------- within this `{coroutine@$DIR/clone-impl.rs:43:5: 43:12}`
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...
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LL | check_copy(&gen_clone_0);
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| ^^^^^^^^^^^^^^^^^^^^^^^^ within `{coroutine@$DIR/clone-impl.rs:43:5: 43:12}`, the trait `Copy` is not implemented for `Vec<char>`
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note: coroutine does not implement `Copy` as this value is used across a yield
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--> $DIR/clone-impl.rs:45:9
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LL | let v = vec!['a'];
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| - has type `Vec<char>` which does not implement `Copy`
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LL | yield;
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| ^^^^^ yield occurs here, with `v` maybe used later
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note: required by a bound in `check_copy`
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--> $DIR/clone-impl.rs:89:18
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LL | fn check_copy<T: Copy>(_x: &T) {}
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| ^^^^ required by this bound in `check_copy`
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error[E0277]: the trait bound `Vec<u32>: Copy` is not satisfied in `{coroutine@$DIR/clone-impl.rs:58:5: 58:12}`
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--> $DIR/clone-impl.rs:70:5
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LL | move || {
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| ------- within this `{coroutine@$DIR/clone-impl.rs:58:5: 58:12}`
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...
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LL | check_copy(&gen_clone_1);
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| ^^^^^^^^^^^^^^^^^^^^^^^^ within `{coroutine@$DIR/clone-impl.rs:58:5: 58:12}`, the trait `Copy` is not implemented for `Vec<u32>`
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note: captured value does not implement `Copy`
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--> $DIR/clone-impl.rs:68:14
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LL | drop(clonable_1);
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| ^^^^^^^^^^ has type `Vec<u32>` which does not implement `Copy`
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note: required by a bound in `check_copy`
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--> $DIR/clone-impl.rs:89:18
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LL | fn check_copy<T: Copy>(_x: &T) {}
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| ^^^^ required by this bound in `check_copy`
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error[E0277]: the trait bound `Vec<char>: Copy` is not satisfied in `{coroutine@$DIR/clone-impl.rs:58:5: 58:12}`
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--> $DIR/clone-impl.rs:70:5
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LL | move || {
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| ------- within this `{coroutine@$DIR/clone-impl.rs:58:5: 58:12}`
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...
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LL | check_copy(&gen_clone_1);
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| ^^^^^^^^^^^^^^^^^^^^^^^^ within `{coroutine@$DIR/clone-impl.rs:58:5: 58:12}`, the trait `Copy` is not implemented for `Vec<char>`
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note: coroutine does not implement `Copy` as this value is used across a yield
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--> $DIR/clone-impl.rs:64:9
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LL | let v = vec!['a'];
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| - has type `Vec<char>` which does not implement `Copy`
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...
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LL | yield;
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| ^^^^^ yield occurs here, with `v` maybe used later
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note: required by a bound in `check_copy`
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--> $DIR/clone-impl.rs:89:18
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LL | fn check_copy<T: Copy>(_x: &T) {}
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| ^^^^ required by this bound in `check_copy`
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error[E0277]: the trait bound `NonClone: Copy` is not satisfied in `{coroutine@$DIR/clone-impl.rs:79:5: 79:12}`
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--> $DIR/clone-impl.rs:83:5
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LL | move || {
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| ------- within this `{coroutine@$DIR/clone-impl.rs:79:5: 79:12}`
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...
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LL | check_copy(&gen_non_clone);
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^ within `{coroutine@$DIR/clone-impl.rs:79:5: 79:12}`, the trait `Copy` is not implemented for `NonClone`
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note: captured value does not implement `Copy`
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--> $DIR/clone-impl.rs:81:14
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LL | drop(non_clonable);
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| ^^^^^^^^^^^^ has type `NonClone` which does not implement `Copy`
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note: required by a bound in `check_copy`
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--> $DIR/clone-impl.rs:89:18
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LL | fn check_copy<T: Copy>(_x: &T) {}
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| ^^^^ required by this bound in `check_copy`
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help: consider annotating `NonClone` with `#[derive(Copy)]`
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LL + #[derive(Copy)]
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LL | struct NonClone;
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error[E0277]: the trait bound `NonClone: Clone` is not satisfied in `{coroutine@$DIR/clone-impl.rs:79:5: 79:12}`
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--> $DIR/clone-impl.rs:85:5
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LL | move || {
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| ------- within this `{coroutine@$DIR/clone-impl.rs:79:5: 79:12}`
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...
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LL | check_clone(&gen_non_clone);
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^ within `{coroutine@$DIR/clone-impl.rs:79:5: 79:12}`, the trait `Clone` is not implemented for `NonClone`
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note: captured value does not implement `Clone`
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--> $DIR/clone-impl.rs:81:14
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LL | drop(non_clonable);
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| ^^^^^^^^^^^^ has type `NonClone` which does not implement `Clone`
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note: required by a bound in `check_clone`
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--> $DIR/clone-impl.rs:90:19
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LL | fn check_clone<T: Clone>(_x: &T) {}
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| ^^^^^ required by this bound in `check_clone`
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help: consider annotating `NonClone` with `#[derive(Clone)]`
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LL + #[derive(Clone)]
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LL | struct NonClone;
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error: aborting due to 6 previous errors
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For more information about this error, try `rustc --explain E0277`.
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