error[E0271]: type mismatch resolving `<rpssl::Shape as actix::Message>::Result == std::result::Result<rpssl::GameResult, ()>`
  --> src/rpssl.rs:58:6
   |
58 | impl Handler<Shape> for MyActor {
   |      ^^^^^^^^^^^^^^ expected struct `std::boxed::Box`, found enum `std::result::Result`
   |
   = note: expected type `std::boxed::Box<futures::Future<Error=(), Item=rpssl::GameResult> + 'static>`
              found type `std::result::Result<rpssl::GameResult, ()>`
   = note: required because of the requirements on the impl of `actix::dev::MessageResponse<rpssl::MyActor, rpssl::Shape>` for `std::boxed::Box<futures::Future<Error=(), Item=rpssl::GameResult> + 'static>`

error[E0277]: the trait bound `futures::Future<Error=(), Item=rpssl::GameResult> + 'static: std::marker::Send` is not satisfied
  --> src/rpssl.rs:58:6
   |
58 | impl Handler<Shape> for MyActor {
   |      ^^^^^^^^^^^^^^ `futures::Future<Error=(), Item=rpssl::GameResult> + 'static` cannot be sent between threads safely
   |
   = help: the trait `std::marker::Send` is not implemented for `futures::Future<Error=(), Item=rpssl::GameResult> + 'static`
   = note: required because of the requirements on the impl of `std::marker::Send` for `std::ptr::Unique<futures::Future<Error=(), Item=rpssl::GameResult> + 'static>`
   = note: required because it appears within the type `std::boxed::Box<futures::Future<Error=(), Item=rpssl::GameResult> + 'static>`
   = note: required because of the requirements on the impl of `actix::dev::MessageResponse<rpssl::MyActor, rpssl::Shape>` for `std::boxed::Box<futures::Future<Error=(), Item=rpssl::GameResult> + 'static>`

error: aborting due to 2 previous errors

Some errors occurred: E0271, E0277.
For more information about an error, try `rustc --explain E0271`.
error: Could not compile `rpssl`.

To learn more, run the command again with --verbose.