Compiling futuretest v0.1.0 (file:///mnt/c/Users/Mahmoud/git/futuretest)
error[E0271]: type mismatch resolving `<futures::FutureResult<(), std::string::String> as futures::IntoFuture>::Error == &str`
  --> src/main.rs:12:10
   |
12 |         .and_then(|_|
   |          ^^^^^^^^ expected struct `std::string::String`, found &str
   |
   = note: expected type `std::string::String`
              found type `&str`

error[E0271]: type mismatch resolving `<futures::FutureResult<(), std::string::String> as futures::IntoFuture>::Error == &str`
  --> src/main.rs:19:10
   |
19 |     core.run(f).unwrap();
   |          ^^^ expected struct `std::string::String`, found &str
   |
   = note: expected type `std::string::String`
              found type `&str`
   = note: required because of the requirements on the impl of `futures::Future` for `futures::AndThen<futures::MapErr<futures::FutureResult<(), ()>, [closure@src/main.rs:11:18: 11:43]>, futures::FutureResult<(), std::string::String>, [closure@src/main.rs:12:19: 15:14]>`

error: aborting due to 2 previous errors

error: Could not compile `futuretest`.

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