error[E0599]: the method `test` exists for struct `Foo<Enum, CloneEnum>`, but its trait bounds were not satisfied --> $DIR/derive-trait-for-method-call.rs:28:15 | LL | enum Enum { | --------- | | | doesn't satisfy `Enum: Clone` | doesn't satisfy `Enum: Default` ... LL | enum CloneEnum { | -------------- doesn't satisfy `CloneEnum: Default` ... LL | struct Foo<X, Y> (X, Y); | ---------------- method `test` not found for this struct ... LL | let y = x.test(); | ^^^^ method cannot be called on `Foo<Enum, CloneEnum>` due to unsatisfied trait bounds | note: the following trait bounds were not satisfied: `CloneEnum: Default` `Enum: Clone` `Enum: Default` --> $DIR/derive-trait-for-method-call.rs:20:9 | LL | impl<X: Clone + Default + , Y: Clone + Default> Foo<X, Y> { | ^^^^^ ^^^^^^^ ^^^^^^^ --------- | | | | | | | unsatisfied trait bound introduced here | | unsatisfied trait bound introduced here | unsatisfied trait bound introduced here note: the trait `Default` must be implemented --> $SRC_DIR/core/src/default.rs:LL:COL help: consider annotating `Enum` with `#[derive(Clone)]` | LL + #[derive(Clone)] LL | enum Enum { | error[E0599]: the method `test` exists for struct `Foo<Struct, CloneStruct>`, but its trait bounds were not satisfied --> $DIR/derive-trait-for-method-call.rs:34:15 | LL | struct Struct { | ------------- | | | doesn't satisfy `Struct: Clone` | doesn't satisfy `Struct: Default` ... LL | struct CloneStruct { | ------------------ doesn't satisfy `CloneStruct: Default` ... LL | struct Foo<X, Y> (X, Y); | ---------------- method `test` not found for this struct ... LL | let y = x.test(); | ^^^^ method cannot be called on `Foo<Struct, CloneStruct>` due to unsatisfied trait bounds | note: the following trait bounds were not satisfied: `CloneStruct: Default` `Struct: Clone` `Struct: Default` --> $DIR/derive-trait-for-method-call.rs:20:9 | LL | impl<X: Clone + Default + , Y: Clone + Default> Foo<X, Y> { | ^^^^^ ^^^^^^^ ^^^^^^^ --------- | | | | | | | unsatisfied trait bound introduced here | | unsatisfied trait bound introduced here | unsatisfied trait bound introduced here help: consider annotating `CloneStruct` with `#[derive(Default)]` | LL + #[derive(Default)] LL | struct CloneStruct { | help: consider annotating `Struct` with `#[derive(Clone, Default)]` | LL + #[derive(Clone, Default)] LL | struct Struct { | error[E0599]: the method `test` exists for struct `Foo<Vec<Enum>, Instant>`, but its trait bounds were not satisfied --> $DIR/derive-trait-for-method-call.rs:40:15 | LL | struct Foo<X, Y> (X, Y); | ---------------- method `test` not found for this struct ... 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` `Vec<Enum>: Clone` --> $DIR/derive-trait-for-method-call.rs:20:9 | LL | impl<X: Clone + Default + , Y: Clone + Default> Foo<X, Y> { | ^^^^^ ^^^^^^^ --------- | | | | | unsatisfied trait bound introduced here | unsatisfied trait bound introduced here error: aborting due to 3 previous errors For more information about this error, try `rustc --explain E0599`.