error[E0277]: `dummy::TestType` cannot be sent between threads safely --> $DIR/traits-negative-impls.rs:23:11 | LL | struct Outer(T); | ------------------------- required by `Outer` ... LL | Outer(TestType); | ^^^^^^^^ `dummy::TestType` cannot be sent between threads safely | = help: the trait `std::marker::Send` is not implemented for `dummy::TestType` error[E0277]: `dummy::TestType` cannot be sent between threads safely --> $DIR/traits-negative-impls.rs:23:5 | LL | struct Outer(T); | ------------------------- required by `Outer` ... LL | Outer(TestType); | ^^^^^^^^^^^^^^^ `dummy::TestType` cannot be sent between threads safely | = help: the trait `std::marker::Send` is not implemented for `dummy::TestType` error[E0277]: `dummy1b::TestType` cannot be sent between threads safely --> $DIR/traits-negative-impls.rs:32:13 | LL | fn is_send(_: T) {} | ------- ---- required by this bound in `is_send` ... LL | is_send(TestType); | ^^^^^^^^ `dummy1b::TestType` cannot be sent between threads safely | = help: the trait `std::marker::Send` is not implemented for `dummy1b::TestType` error[E0277]: `dummy1c::TestType` cannot be sent between threads safely --> $DIR/traits-negative-impls.rs:40:13 | LL | fn is_send(_: T) {} | ------- ---- required by this bound in `is_send` ... LL | is_send((8, TestType)); | ^^^^^^^^^^^^^ `dummy1c::TestType` cannot be sent between threads safely | = help: within `({integer}, dummy1c::TestType)`, the trait `std::marker::Send` is not implemented for `dummy1c::TestType` = note: required because it appears within the type `({integer}, dummy1c::TestType)` error[E0277]: `dummy2::TestType` cannot be sent between threads safely --> $DIR/traits-negative-impls.rs:48:13 | LL | fn is_send(_: T) {} | ------- ---- required by this bound in `is_send` ... LL | is_send(Box::new(TestType)); | ^^^^^^^^^^^^^^^^^^ | | | expected an implementor of trait `std::marker::Send` | help: consider borrowing here: `&Box::new(TestType)` | = note: the trait bound `dummy2::TestType: std::marker::Send` is not satisfied = note: required because of the requirements on the impl of `std::marker::Send` for `std::ptr::Unique` = note: required because it appears within the type `std::boxed::Box` error[E0277]: `dummy3::TestType` cannot be sent between threads safely --> $DIR/traits-negative-impls.rs:56:13 | LL | fn is_send(_: T) {} | ------- ---- required by this bound in `is_send` ... LL | is_send(Box::new(Outer2(TestType))); | ^^^^^^^^^^^^^^^^^^^^^^^^^^ `dummy3::TestType` cannot be sent between threads safely | = help: within `Outer2`, the trait `std::marker::Send` is not implemented for `dummy3::TestType` = note: required because it appears within the type `Outer2` = note: required because of the requirements on the impl of `std::marker::Send` for `std::ptr::Unique>` = note: required because it appears within the type `std::boxed::Box>` error[E0277]: `main::TestType` cannot be sent between threads safely --> $DIR/traits-negative-impls.rs:66:13 | LL | fn is_sync(_: T) {} | ------- ---- required by this bound in `is_sync` ... LL | is_sync(Outer2(TestType)); | ^^^^^^^^^^^^^^^^ | | | expected an implementor of trait `std::marker::Sync` | help: consider borrowing here: `&Outer2(TestType)` | = note: the trait bound `main::TestType: std::marker::Sync` is not satisfied = note: required because of the requirements on the impl of `std::marker::Sync` for `Outer2` error: aborting due to 7 previous errors For more information about this error, try `rustc --explain E0277`.