rust/tests/ui/traits/track-obligations.stderr
2024-04-21 20:10:12 -04:00

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error[E0599]: the method `check` exists for struct `Client<()>`, but its trait bounds were not satisfied
--> $DIR/track-obligations.rs:83:16
|
LL | struct ALayer<C>(C);
| ---------------- doesn't satisfy `ALayer<()>: ParticularServiceLayer<()>`
...
LL | struct AService;
| --------------- doesn't satisfy `<AService as Service<Req>>::Response = Res`
...
LL | struct Client<C>(C);
| ---------------- method `check` not found for this struct
...
LL | Client(()).check();
| ^^^^^ method cannot be called on `Client<()>` due to unsatisfied trait bounds
|
note: trait bound `<AService as Service<Req>>::Response = Res` was not satisfied
--> $DIR/track-obligations.rs:24:21
|
LL | impl<T> ParticularService for T
| ----------------- -
LL | where
LL | T: Service<Req, Response = Res>,
| ^^^^^^^^^^^^^^ unsatisfied trait bound introduced here
error[E0271]: type mismatch resolving `<AService as Service<Req>>::Response == Res`
--> $DIR/track-obligations.rs:87:11
|
LL | check(());
| ----- ^^ type mismatch resolving `<AService as Service<Req>>::Response == Res`
| |
| required by a bound introduced by this call
|
note: expected this to be `Res`
--> $DIR/track-obligations.rs:60:21
|
LL | type Response = bool;
| ^^^^
note: required for `AService` to implement `ParticularService`
--> $DIR/track-obligations.rs:22:9
|
LL | impl<T> ParticularService for T
| ^^^^^^^^^^^^^^^^^ ^
LL | where
LL | T: Service<Req, Response = Res>,
| -------------- unsatisfied trait bound introduced here
note: required for `ALayer<_>` to implement `ParticularServiceLayer<_>`
--> $DIR/track-obligations.rs:40:12
|
LL | impl<T, C> ParticularServiceLayer<C> for T
| ^^^^^^^^^^^^^^^^^^^^^^^^^ ^
...
LL | T::Service: ParticularService,
| ----------------- unsatisfied trait bound introduced here
note: required by a bound in `check`
--> $DIR/track-obligations.rs:76:36
|
LL | fn check<C>(_: C) where ALayer<C>: ParticularServiceLayer<C> {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `check`
error: aborting due to 2 previous errors
Some errors have detailed explanations: E0271, E0599.
For more information about an error, try `rustc --explain E0271`.