compiler output

error[E0277]: the trait bound `medici_core::service::error::MissingEntityError<usize>: failure::Fail` is not satisfied
  --> src\implementation\effect\trigger.rs:18:23
   |
18 |     let game_entity = x.entities.get_mut(GAME_E_ID)?;
   |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `failure::Fail` is not implemented for `medici_core::service::error::MissingEntityError<usize>`
   |
   = help: the following implementations were found:
             <medici_core::service::error::MissingEntityError<ID> as failure::Fail>
   = note: required because of the requirements on the impl of `std::convert::From<medici_core::service::error::MissingEntityError<usize>>` for `failure::Error`
   = note: required by `std::convert::From::from`

failure

/// Specific error thrown when the requested entity-id is not known.
#[derive(Debug, Fail)]
#[fail(display = "The entity with id `{:}` was not found", _0)]
pub struct MissingEntityError<ID: Display>(pub ID);