error[E0277]: the trait bound `String: From<impl ToString>` is not satisfied
  --> $DIR/issue-97576.rs:8:22
   |
LL |             bar: bar.into(),
   |                      ^^^^ the trait `From<impl ToString>` is not implemented for `String`, which is required by `impl ToString: Into<_>`
   |
   = note: required for `impl ToString` to implement `Into<String>`

error: aborting due to 1 previous error

For more information about this error, try `rustc --explain E0277`.