1 error[E0308]: match arms have incompatible types
2 --> $DIR/match-arm-resolving-to-never.rs:17:17
9 LL | | E::E => unimplemented!(""),
10 | | ------------------ this and all prior arms are found to be of type `{integer}`
12 | | ^^ expected integer, found `&str`
14 | |_____- `match` arms have incompatible types
16 = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
18 error: aborting due to previous error
20 For more information about this error, try `rustc --explain E0308`.