error[E0277]: the trait bound `String: From` is not satisfied --> $DIR/issue-97576.rs:8:22 | LL | bar: bar.into(), | ^^^^ the trait `From` is not implemented for `String` | = note: required for `impl ToString` to implement `Into` error: aborting due to previous error For more information about this error, try `rustc --explain E0277`.