Compilation error for version 0.1.9

[surajprak]

I am getting below error
error[E0061]: this function takes 1 parameter but 0 parameters were supplied
--> /home/suraj.prakash/.cargo/registry/src/github.com-1ecc6299db9ec823/tokio-core-0.1.9/src/reactor/poll_evented.rs:276:39
|
276 | if let Async::NotReady = self.poll_read() {
| ^^^^^^^^^ expected 1 parameter

error[E0308]: mismatched types
--> /home/suraj.prakash/.cargo/registry/src/github.com-1ecc6299db9ec823/tokio-core-0.1.9/src/reactor/poll_evented.rs:276:16
|
276 | if let Async::NotReady = self.poll_read() {
| ^^^^^^^^^^^^^^^ expected enum std::result::Result, found enum futures::Async
|
= note: expected type std::result::Result<futures::Async<usize>, std::io::Error>
found type futures::Async<_>

error[E0061]: this function takes 1 parameter but 0 parameters were supplied
--> /home/suraj.prakash/.cargo/registry/src/github.com-1ecc6299db9ec823/tokio-core-0.1.9/src/reactor/poll_evented.rs:289:39
|
289 | if let Async::NotReady = self.poll_write() {
| ^^^^^^^^^^ expected 1 parameter

error[E0308]: mismatched types
--> /home/suraj.prakash/.cargo/registry/src/github.com-1ecc6299db9ec823/tokio-core-0.1.9/src/reactor/poll_evented.rs:289:16
|
289 | if let Async::NotReady = self.poll_write() {
| ^^^^^^^^^^^^^^^ expected enum std::result::Result, found enum futures::Async
|
= note: expected type std::result::Result<futures::Async<usize>, std::io::Error>
found type futures::Async<_>

error[E0061]: this function takes 1 parameter but 0 parameters were supplied
--> /home/suraj.prakash/.cargo/registry/src/github.com-1ecc6299db9ec823/tokio-core-0.1.9/src/reactor/poll_evented.rs:300:39
|
300 | if let Async::NotReady = self.poll_write() {
| ^^^^^^^^^^ expected 1 parameter

error[E0308]: mismatched types
--> /home/suraj.prakash/.cargo/registry/src/github.com-1ecc6299db9ec823/tokio-core-0.1.9/src/reactor/poll_evented.rs:300:16
|
300 | if let Async::NotReady = self.poll_write() {
| ^^^^^^^^^^^^^^^ expected enum std::result::Result, found enum futures::Async
|
= note: expected type std::result::Result<futures::Async<usize>, std::io::Error>
found type futures::Async<_>

error[E0061]: this function takes 1 parameter but 0 parameters were supplied
--> /home/suraj.prakash/.cargo/registry/src/github.com-1ecc6299db9ec823/tokio-core-0.1.9/src/reactor/poll_evented.rs:335:39
|
335 | if let Async::NotReady = self.poll_read() {
| ^^^^^^^^^ expected 1 parameter

error[E0308]: mismatched types
--> /home/suraj.prakash/.cargo/registry/src/github.com-1ecc6299db9ec823/tokio-core-0.1.9/src/reactor/poll_evented.rs:335:16
|
335 | if let Async::NotReady = self.poll_read() {
| ^^^^^^^^^^^^^^^ expected enum std::result::Result, found enum futures::Async
|
= note: expected type std::result::Result<futures::Async<usize>, std::io::Error>
found type futures::Async<_>

error[E0061]: this function takes 1 parameter but 0 parameters were supplied
--> /home/suraj.prakash/.cargo/registry/src/github.com-1ecc6299db9ec823/tokio-core-0.1.9/src/reactor/poll_evented.rs:350:39
|
350 | if let Async::NotReady = self.poll_write() {
| ^^^^^^^^^^ expected 1 parameter

error[E0308]: mismatched types
--> /home/suraj.prakash/.cargo/registry/src/github.com-1ecc6299db9ec823/tokio-core-0.1.9/src/reactor/poll_evented.rs:350:16
|
350 | if let Async::NotReady = self.poll_write() {
| ^^^^^^^^^^^^^^^ expected enum std::result::Result, found enum futures::Async
|
= note: expected type std::result::Result<futures::Async<usize>, std::io::Error>
found type futures::Async<_>

error[E0061]: this function takes 1 parameter but 0 parameters were supplied
--> /home/suraj.prakash/.cargo/registry/src/github.com-1ecc6299db9ec823/tokio-core-0.1.9/src/reactor/poll_evented.rs:361:39
|
361 | if let Async::NotReady = self.poll_write() {
| ^^^^^^^^^^ expected 1 parameter

error[E0308]: mismatched types
--> /home/suraj.prakash/.cargo/registry/src/github.com-1ecc6299db9ec823/tokio-core-0.1.9/src/reactor/poll_evented.rs:361:16
|
361 | if let Async::NotReady = self.poll_write() {
| ^^^^^^^^^^^^^^^ expected enum std::result::Result, found enum futures::Async
|
= note: expected type std::result::Result<futures::Async<usize>, std::io::Error>
found type futures::Async<_>

error: aborting due to 12 previous errors

Some errors occurred: E0061, E0308.
For more information about an error, try rustc --explain E0061.
error: Could not compile tokio-core.
warning: build failed, waiting for other jobs to finish...
error: build failed

[ferristseng]

I was just running into this as well with tokio-core-0.1.12.

I ran cargo update and it upgraded tokio-core, and then it worked fine.

$ cargo update
    ...
    Updating tokio-core v0.1.12 -> v0.1.17
    ...