Compile error from client

[eecheng87]

Hi, all

Thanks for your great project. I found there are some error message during the build. I use rustc 1.66.0-nightly (9565dfeb4 2022-10-28) and build the project with cargo +nightly build --release. Here is the log:

   Compiling client v0.1.0 (/home/eecheng/monoio-benchmark/client)
   Compiling monoio-server v0.1.0 (/home/eecheng/monoio-benchmark/monoio-server)
error[E0596]: cannot borrow `stream` as mutable, as it is not declared as mutable
  --> monoio-server/src/main.rs:40:34
   |
36 |     while let Ok((stream, _)) = listener.accept().await {
   |                   ------ help: consider changing this to be mutable: `mut stream`
...
40 |                 let (r, buf_r) = stream.read_exact(buf).await;
   |                                  ^^^^^^^^^^^^^^^^^^^^^^ cannot borrow as mutable

error[E0596]: cannot borrow `stream` as mutable, as it is not declared as mutable
  --> monoio-server/src/main.rs:45:34
   |
36 |     while let Ok((stream, _)) = listener.accept().await {
   |                   ------ help: consider changing this to be mutable: `mut stream`
...
45 |                 let (w, buf_w) = stream.write_all(buf_r).await;
   |                                  ^^^^^^^^^^^^^^^^^^^^^^^ cannot borrow as mutable

error[E0034]: multiple applicable items in scope
  --> monoio-server/src/main.rs:23:18
   |
23 |                 .build()
   |                  ^^^^^ multiple `build` found
   |
   = note: candidate #1 is defined in an impl for the type `RuntimeBuilder<FusionDriver>`
   = note: candidate #2 is defined in an impl for the type `RuntimeBuilder<TimeDriver<FusionDriver>>`
   = note: candidate #3 is defined in an impl for the type `RuntimeBuilder<IoUringDriver>`
   = note: candidate #4 is defined in an impl for the type `RuntimeBuilder<TimeDriver<IoUringDriver>>`
   = note: and 2 others

Some errors have detailed explanations: E0034, E0596.
For more information about an error, try `rustc --explain E0034`.
error: could not compile `monoio-server` due to 3 previous errors
warning: build failed, waiting for other jobs to finish...
error[E0596]: cannot borrow `stream` as mutable, as it is not declared as mutable
   --> client/src/main.rs:123:26
    |
115 |     let stream = TcpStream::connect(target).await.unwrap();
    |         ------ help: consider changing this to be mutable: `mut stream`
...
123 |         let (w, buf_w) = stream.write_all(buf).await;
    |                          ^^^^^^^^^^^^^^^^^^^^^ cannot borrow as mutable

error[E0596]: cannot borrow `stream` as mutable, as it is not declared as mutable
   --> client/src/main.rs:129:26
    |
115 |     let stream = TcpStream::connect(target).await.unwrap();
    |         ------ help: consider changing this to be mutable: `mut stream`
...
129 |         let (r, buf_r) = stream.read_exact(buf_w).await;
    |                          ^^^^^^^^^^^^^^^^^^^^^^^^ cannot borrow as mutable

error[E0034]: multiple applicable items in scope
  --> client/src/main.rs:49:82
   |
49 |             let mut rt = RuntimeBuilder::new().with_entries(2560).enable_timer().build().unwrap();
   |                                                                                  ^^^^^ multiple `build` found
   |
   = note: candidate #1 is defined in an impl for the type `RuntimeBuilder<FusionDriver>`
   = note: candidate #2 is defined in an impl for the type `RuntimeBuilder<TimeDriver<FusionDriver>>`
   = note: candidate #3 is defined in an impl for the type `RuntimeBuilder<IoUringDriver>`
   = note: candidate #4 is defined in an impl for the type `RuntimeBuilder<TimeDriver<IoUringDriver>>`
   = note: and 2 others

error: could not compile `client` due to 3 previous errors

[ihciah]

It can be fixed as the help hints. To run it quickly, you can fix it by your own. And if you are will to submit a PR, feel free to submit one.