1 error[E0392]: parameter `'a` is never used
2 --> $DIR/variance-unused-region-param.rs:3:19
4 LL | struct SomeStruct<'a> { x: u32 } //~ ERROR parameter `'a` is never used
5 | ^^ unused type parameter
7 = help: consider removing `'a` or using a marker such as `std::marker::PhantomData`
9 error[E0392]: parameter `'a` is never used
10 --> $DIR/variance-unused-region-param.rs:4:15
12 LL | enum SomeEnum<'a> { Nothing } //~ ERROR parameter `'a` is never used
13 | ^^ unused type parameter
15 = help: consider removing `'a` or using a marker such as `std::marker::PhantomData`
17 error: aborting due to 2 previous errors
19 For more information about this error, try `rustc --explain E0392`.