1 error[E0117]: only traits defined in the current crate can be implemented for arbitrary types
2 --> $DIR/coherence-impls-send.rs:20:1
4 LL | unsafe impl Send for (MyType, MyType) {}
5 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ impl doesn't use types inside crate
7 = note: the impl does not reference any types defined in this crate
8 = note: define and implement a trait or new type instead
10 error[E0321]: cross-crate traits with a default impl, like `std::marker::Send`, can only be implemented for a struct/enum type, not `&'static NotSync`
11 --> $DIR/coherence-impls-send.rs:24:1
13 LL | unsafe impl Send for &'static NotSync {}
14 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't implement cross-crate trait with a default impl for non-struct/enum type
16 error[E0117]: only traits defined in the current crate can be implemented for arbitrary types
17 --> $DIR/coherence-impls-send.rs:28:1
19 LL | unsafe impl Send for [MyType] {}
20 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ impl doesn't use types inside crate
22 = note: the impl does not reference any types defined in this crate
23 = note: define and implement a trait or new type instead
25 error[E0117]: only traits defined in the current crate can be implemented for arbitrary types
26 --> $DIR/coherence-impls-send.rs:32:1
28 LL | unsafe impl Send for &'static [NotSync] {}
29 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ impl doesn't use types inside crate
31 = note: the impl does not reference any types defined in this crate
32 = note: define and implement a trait or new type instead
34 error: aborting due to 4 previous errors
36 Some errors occurred: E0117, E0321.
37 For more information about an error, try `rustc --explain E0117`.