compiler_error

To learn more, run the command again with --verbose.
allen@mrwiggles ~/s/r/t/l/rs> cargo test
   Compiling thrift v1.0.0 (file:///Users/allen/src/rust_projects/thrift/lib/rs)
error[E0308]: mismatched types
   --> src/protocol/multiplexed.rs:200:16
    |
200 |         mem_fn(&mut chan, |c| assert_eq!(c.write_bytes(), &expected));
    |                ^^^^^^^^^ expected trait transport::TIOChannel, found struct `transport::mem::TBufferChannel`
    |
    = note: expected type `&mut std::boxed::Box<transport::TIOChannel + 'static>`
               found type `&mut std::boxed::Box<transport::mem::TBufferChannel>`

error: aborting due to previous error

error: Could not compile `thrift`.
Build failed, waiting for other jobs to finish...
error: build failed

processor.rs

#[cfg(test)]
mod tests {

    use ::protocol::{TBinaryOutputProtocol, TMessageIdentifier, TMessageType, TOutputProtocol};
    use ::transport::{TIOChannel, TPassThruTransport};
    use ::transport::mem::{mem_fn, TBufferChannel};

    use super::*;

    #[test]
    fn must_write_message_begin_with_prefixed_service_name() {
        let (mut chan, mut o_prot) = test_objects();

        let ident = TMessageIdentifier::new("bar", TMessageType::Call, 2);
        assert_success!(o_prot.write_message_begin(&ident));

        let expected: [u8; 19] =
            [0x80, 0x01 /* protocol identifier */, 0x00, 0x01 /* message type */, 0x00,
             0x00, 0x00, 0x07, 0x66, 0x6F, 0x6F /* "foo" */, 0x3A /* ":" */, 0x62, 0x61,
             0x72 /* "bar" */, 0x00, 0x00, 0x00, 0x02 /* sequence number */];

        mem_fn(&mut chan, |c| assert_eq!(c.write_bytes(), &expected));
    }

    fn test_objects<'a>() -> (Box<TBufferChannel>, TMultiplexedOutputProtocol<'a>) {
        let chan_0 = TBufferChannel::with_capacity(40, 40);
        let chan_1 = chan_0.try_clone().unwrap();
        let tran = TPassThruTransport::new(Box::new(chan_1));
        let prot = TBinaryOutputProtocol::new(Box::new(tran), true);
        (Box::new(chan_0), TMultiplexedOutputProtocol::new("foo", Box::new(prot)))
    }
}