1 error[E0391]: cycle detected when computing the super traits of `Processor` with associated type name `Input`
2 --> $DIR/issue-20825.rs:5:1
4 LL | pub trait Processor: Subscriber<Input = Self::Input> {
5 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
7 = note: ...which immediately requires computing the super traits of `Processor` with associated type name `Input` again
8 note: cycle used when computing the super traits of `Processor`
9 --> $DIR/issue-20825.rs:5:1
11 LL | pub trait Processor: Subscriber<Input = Self::Input> {
12 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
14 error: aborting due to previous error
16 For more information about this error, try `rustc --explain E0391`.