[INFO] cloning repository https://github.com/focusedride/rust_hello_tokio
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/focusedride/rust_hello_tokio" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffocusedride%2Frust_hello_tokio", kill_on_drop: false }`
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a14a31ff195cb55cec1b8d4c512cfe445838932d
[INFO] checking focusedride/rust_hello_tokio against 1.55.0 for beta-1.56-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffocusedride%2Frust_hello_tokio" "/workspace/builds/worker-102/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-102/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/focusedride/rust_hello_tokio on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/focusedride/rust_hello_tokio
[INFO] finished tweaking git repo https://github.com/focusedride/rust_hello_tokio
[INFO] tweaked toml for git repo https://github.com/focusedride/rust_hello_tokio written to /workspace/builds/worker-102/source/Cargo.toml
[INFO] crate git repo https://github.com/focusedride/rust_hello_tokio already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Cursor`
[INFO] [stdout]   --> src/main.rs:82:23
[INFO] [stdout]    |
[INFO] [stdout] 82 |         let mut buf = Cursor::new(&self.buffer[..]);
[INFO] [stdout]    |                       ^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 1  | use std::collections::linked_list::Cursor;
[INFO] [stdout]    |
[INFO] [stdout] 1  | use std::io::Cursor;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::sync::mpsc`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use tokio::sync::mpsc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Cursor`
[INFO] [stdout]   --> src/main.rs:82:23
[INFO] [stdout]    |
[INFO] [stdout] 82 |         let mut buf = Cursor::new(&self.buffer[..]);
[INFO] [stdout]    |                       ^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 1  | use std::collections::linked_list::Cursor;
[INFO] [stdout]    |
[INFO] [stdout] 1  | use std::io::Cursor;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::sync::mpsc`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use tokio::sync::mpsc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `write_task`
[INFO] [stdout]   --> examples/io_tcp.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let write_task = tokio::spawn(async move {
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_write_task`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> examples/tcp-bundle.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 |     let mut listener = TcpListener::bind("127.0.0.1:6142").await.unwrap();
[INFO] [stdout]    |         ----^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `write_task`
[INFO] [stdout]   --> examples/tcp-bundle.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let write_task = tokio::spawn(async move {
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_write_task`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> examples/tcp-bundle.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     e.await.unwrap();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> examples/echo.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let mut listener = TcpListener::bind("127.0.0.1:6142").await.unwrap();
[INFO] [stdout]   |         ----^^^^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `read_buf` found for struct `tokio::io::BufWriter` in the current scope
[INFO] [stdout]    --> src/main.rs:36:33
[INFO] [stdout]     |
[INFO] [stdout] 36  |             if 0 == self.stream.read_buf(&mut self.buffer).await? {
[INFO] [stdout]     |                                 ^^^^^^^^ method not found in `tokio::io::BufWriter<tokio::net::TcpStream>`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-1.5.0/src/io/util/async_read_ext.rs:223:12
[INFO] [stdout]     |
[INFO] [stdout] 223 |         fn read_buf<'a, B>(&'a mut self, buf: &'a mut B) -> ReadBuf<'a, Self, B>
[INFO] [stdout]     |            -------- the method is available for `tokio::io::BufWriter<tokio::net::TcpStream>` here
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]     |
[INFO] [stdout] 1   | use tokio::io::AsyncReadExt;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `write_u8` found for struct `tokio::io::BufWriter` in the current scope
[INFO] [stdout]    --> src/main.rs:48:29
[INFO] [stdout]     |
[INFO] [stdout] 48  |                 self.stream.write_u8(b'+').await?;
[INFO] [stdout]     |                             ^^^^^^^^ method not found in `tokio::io::BufWriter<tokio::net::TcpStream>`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-1.5.0/src/io/util/async_write_ext.rs:312:16
[INFO] [stdout]     |
[INFO] [stdout] 312 |             fn write_u8(&mut self, n: u8) -> WriteU8;
[INFO] [stdout]     |                -------- the method is available for `tokio::io::BufWriter<tokio::net::TcpStream>` here
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]     |
[INFO] [stdout] 1   | use tokio::io::AsyncWriteExt;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `write_all` found for struct `tokio::io::BufWriter` in the current scope
[INFO] [stdout]    --> src/main.rs:49:29
[INFO] [stdout]     |
[INFO] [stdout] 49  |                 self.stream.write_all(val.as_bytes()).await?;
[INFO] [stdout]     |                             ^^^^^^^^^ method not found in `tokio::io::BufWriter<tokio::net::TcpStream>`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-1.5.0/src/io/util/async_write_ext.rs:269:12
[INFO] [stdout]     |
[INFO] [stdout] 269 |         fn write_all<'a>(&'a mut self, src: &'a [u8]) -> WriteAll<'a, Self>
[INFO] [stdout]     |            --------- the method is available for `tokio::io::BufWriter<tokio::net::TcpStream>` here
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]     |
[INFO] [stdout] 1   | use tokio::io::AsyncWriteExt;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `write_all` found for struct `tokio::io::BufWriter` in the current scope
[INFO] [stdout]    --> src/main.rs:50:29
[INFO] [stdout]     |
[INFO] [stdout] 50  |                 self.stream.write_all(b"\r\n").await?;
[INFO] [stdout]     |                             ^^^^^^^^^ method not found in `tokio::io::BufWriter<tokio::net::TcpStream>`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-1.5.0/src/io/util/async_write_ext.rs:269:12
[INFO] [stdout]     |
[INFO] [stdout] 269 |         fn write_all<'a>(&'a mut self, src: &'a [u8]) -> WriteAll<'a, Self>
[INFO] [stdout]     |            --------- the method is available for `tokio::io::BufWriter<tokio::net::TcpStream>` here
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]     |
[INFO] [stdout] 1   | use tokio::io::AsyncWriteExt;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `write_u8` found for struct `tokio::io::BufWriter` in the current scope
[INFO] [stdout]    --> src/main.rs:53:29
[INFO] [stdout]     |
[INFO] [stdout] 53  |                 self.stream.write_u8(b'-').await?;
[INFO] [stdout]     |                             ^^^^^^^^ method not found in `tokio::io::BufWriter<tokio::net::TcpStream>`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-1.5.0/src/io/util/async_write_ext.rs:312:16
[INFO] [stdout]     |
[INFO] [stdout] 312 |             fn write_u8(&mut self, n: u8) -> WriteU8;
[INFO] [stdout]     |                -------- the method is available for `tokio::io::BufWriter<tokio::net::TcpStream>` here
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]     |
[INFO] [stdout] 1   | use tokio::io::AsyncWriteExt;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `write_all` found for struct `tokio::io::BufWriter` in the current scope
[INFO] [stdout]    --> src/main.rs:54:29
[INFO] [stdout]     |
[INFO] [stdout] 54  |                 self.stream.write_all(val.as_bytes()).await?;
[INFO] [stdout]     |                             ^^^^^^^^^ method not found in `tokio::io::BufWriter<tokio::net::TcpStream>`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-1.5.0/src/io/util/async_write_ext.rs:269:12
[INFO] [stdout]     |
[INFO] [stdout] 269 |         fn write_all<'a>(&'a mut self, src: &'a [u8]) -> WriteAll<'a, Self>
[INFO] [stdout]     |            --------- the method is available for `tokio::io::BufWriter<tokio::net::TcpStream>` here
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]     |
[INFO] [stdout] 1   | use tokio::io::AsyncWriteExt;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `write_all` found for struct `tokio::io::BufWriter` in the current scope
[INFO] [stdout]    --> src/main.rs:55:29
[INFO] [stdout]     |
[INFO] [stdout] 55  |                 self.stream.write_all(b"\r\n").await?;
[INFO] [stdout]     |                             ^^^^^^^^^ method not found in `tokio::io::BufWriter<tokio::net::TcpStream>`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-1.5.0/src/io/util/async_write_ext.rs:269:12
[INFO] [stdout]     |
[INFO] [stdout] 269 |         fn write_all<'a>(&'a mut self, src: &'a [u8]) -> WriteAll<'a, Self>
[INFO] [stdout]     |            --------- the method is available for `tokio::io::BufWriter<tokio::net::TcpStream>` here
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]     |
[INFO] [stdout] 1   | use tokio::io::AsyncWriteExt;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `write_u8` found for struct `tokio::io::BufWriter` in the current scope
[INFO] [stdout]    --> src/main.rs:58:29
[INFO] [stdout]     |
[INFO] [stdout] 58  |                 self.stream.write_u8(b':').await?;
[INFO] [stdout]     |                             ^^^^^^^^ method not found in `tokio::io::BufWriter<tokio::net::TcpStream>`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-1.5.0/src/io/util/async_write_ext.rs:312:16
[INFO] [stdout]     |
[INFO] [stdout] 312 |             fn write_u8(&mut self, n: u8) -> WriteU8;
[INFO] [stdout]     |                -------- the method is available for `tokio::io::BufWriter<tokio::net::TcpStream>` here
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]     |
[INFO] [stdout] 1   | use tokio::io::AsyncWriteExt;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `write_decimal` found for mutable reference `&mut Connection` in the current scope
[INFO] [stdout]   --> src/main.rs:59:22
[INFO] [stdout]    |
[INFO] [stdout] 59 |                 self.write_decimal(*val).await?;
[INFO] [stdout]    |                      ^^^^^^^^^^^^^ method not found in `&mut Connection`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `write_all` found for struct `tokio::io::BufWriter` in the current scope
[INFO] [stdout]    --> src/main.rs:62:29
[INFO] [stdout]     |
[INFO] [stdout] 62  |                 self.stream.write_all(b"$-1\r\n").await?;
[INFO] [stdout]     |                             ^^^^^^^^^ method not found in `tokio::io::BufWriter<tokio::net::TcpStream>`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-1.5.0/src/io/util/async_write_ext.rs:269:12
[INFO] [stdout]     |
[INFO] [stdout] 269 |         fn write_all<'a>(&'a mut self, src: &'a [u8]) -> WriteAll<'a, Self>
[INFO] [stdout]     |            --------- the method is available for `tokio::io::BufWriter<tokio::net::TcpStream>` here
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]     |
[INFO] [stdout] 1   | use tokio::io::AsyncWriteExt;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `write_u8` found for struct `tokio::io::BufWriter` in the current scope
[INFO] [stdout]    --> src/main.rs:67:29
[INFO] [stdout]     |
[INFO] [stdout] 67  |                 self.stream.write_u8(b'$').await?;
[INFO] [stdout]     |                             ^^^^^^^^ method not found in `tokio::io::BufWriter<tokio::net::TcpStream>`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-1.5.0/src/io/util/async_write_ext.rs:312:16
[INFO] [stdout]     |
[INFO] [stdout] 312 |             fn write_u8(&mut self, n: u8) -> WriteU8;
[INFO] [stdout]     |                -------- the method is available for `tokio::io::BufWriter<tokio::net::TcpStream>` here
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]     |
[INFO] [stdout] 1   | use tokio::io::AsyncWriteExt;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `write_decimal` found for mutable reference `&mut Connection` in the current scope
[INFO] [stdout]   --> src/main.rs:68:22
[INFO] [stdout]    |
[INFO] [stdout] 68 |                 self.write_decimal(len as u64).await?;
[INFO] [stdout]    |                      ^^^^^^^^^^^^^ method not found in `&mut Connection`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `read_buf` found for struct `tokio::io::BufWriter` in the current scope
[INFO] [stdout]    --> src/main.rs:36:33
[INFO] [stdout]     |
[INFO] [stdout] 36  |             if 0 == self.stream.read_buf(&mut self.buffer).await? {
[INFO] [stdout]     |                                 ^^^^^^^^ method not found in `tokio::io::BufWriter<tokio::net::TcpStream>`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-1.5.0/src/io/util/async_read_ext.rs:223:12
[INFO] [stdout]     |
[INFO] [stdout] 223 |         fn read_buf<'a, B>(&'a mut self, buf: &'a mut B) -> ReadBuf<'a, Self, B>
[INFO] [stdout]     |            -------- the method is available for `tokio::io::BufWriter<tokio::net::TcpStream>` here
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]     |
[INFO] [stdout] 1   | use tokio::io::AsyncReadExt;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `write_all` found for struct `tokio::io::BufWriter` in the current scope
[INFO] [stdout]    --> src/main.rs:69:29
[INFO] [stdout]     |
[INFO] [stdout] 69  |                 self.stream.write_all(val).await?;
[INFO] [stdout]     |                             ^^^^^^^^^ method not found in `tokio::io::BufWriter<tokio::net::TcpStream>`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-1.5.0/src/io/util/async_write_ext.rs:269:12
[INFO] [stdout]     |
[INFO] [stdout] 269 |         fn write_all<'a>(&'a mut self, src: &'a [u8]) -> WriteAll<'a, Self>
[INFO] [stdout]     |            --------- the method is available for `tokio::io::BufWriter<tokio::net::TcpStream>` here
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]     |
[INFO] [stdout] 1   | use tokio::io::AsyncWriteExt;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `write_all` found for struct `tokio::io::BufWriter` in the current scope
[INFO] [stdout]    --> src/main.rs:70:29
[INFO] [stdout]     |
[INFO] [stdout] 70  |                 self.stream.write_all(b"\r\n").await?;
[INFO] [stdout]     |                             ^^^^^^^^^ method not found in `tokio::io::BufWriter<tokio::net::TcpStream>`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-1.5.0/src/io/util/async_write_ext.rs:269:12
[INFO] [stdout]     |
[INFO] [stdout] 269 |         fn write_all<'a>(&'a mut self, src: &'a [u8]) -> WriteAll<'a, Self>
[INFO] [stdout]     |            --------- the method is available for `tokio::io::BufWriter<tokio::net::TcpStream>` here
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]     |
[INFO] [stdout] 1   | use tokio::io::AsyncWriteExt;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `flush` found for struct `tokio::io::BufWriter` in the current scope
[INFO] [stdout]    --> src/main.rs:75:21
[INFO] [stdout]     |
[INFO] [stdout] 75  |         self.stream.flush().await;
[INFO] [stdout]     |                     ^^^^^ method not found in `tokio::io::BufWriter<tokio::net::TcpStream>`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-1.5.0/src/io/util/async_write_ext.rs:999:12
[INFO] [stdout]     |
[INFO] [stdout] 999 |         fn flush(&mut self) -> Flush<'_, Self>
[INFO] [stdout]     |            ----- the method is available for `tokio::io::BufWriter<tokio::net::TcpStream>` here
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]     |
[INFO] [stdout] 1   | use tokio::io::AsyncWriteExt;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `write_u8` found for struct `tokio::io::BufWriter` in the current scope
[INFO] [stdout]    --> src/main.rs:48:29
[INFO] [stdout]     |
[INFO] [stdout] 48  |                 self.stream.write_u8(b'+').await?;
[INFO] [stdout]     |                             ^^^^^^^^ method not found in `tokio::io::BufWriter<tokio::net::TcpStream>`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-1.5.0/src/io/util/async_write_ext.rs:312:16
[INFO] [stdout]     |
[INFO] [stdout] 312 |             fn write_u8(&mut self, n: u8) -> WriteU8;
[INFO] [stdout]     |                -------- the method is available for `tokio::io::BufWriter<tokio::net::TcpStream>` here
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]     |
[INFO] [stdout] 1   | use tokio::io::AsyncWriteExt;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `write_all` found for struct `tokio::io::BufWriter` in the current scope
[INFO] [stdout]    --> src/main.rs:49:29
[INFO] [stdout]     |
[INFO] [stdout] 49  |                 self.stream.write_all(val.as_bytes()).await?;
[INFO] [stdout]     |                             ^^^^^^^^^ method not found in `tokio::io::BufWriter<tokio::net::TcpStream>`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-1.5.0/src/io/util/async_write_ext.rs:269:12
[INFO] [stdout]     |
[INFO] [stdout] 269 |         fn write_all<'a>(&'a mut self, src: &'a [u8]) -> WriteAll<'a, Self>
[INFO] [stdout]     |            --------- the method is available for `tokio::io::BufWriter<tokio::net::TcpStream>` here
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]     |
[INFO] [stdout] 1   | use tokio::io::AsyncWriteExt;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `write_all` found for struct `tokio::io::BufWriter` in the current scope
[INFO] [stdout]    --> src/main.rs:50:29
[INFO] [stdout]     |
[INFO] [stdout] 50  |                 self.stream.write_all(b"\r\n").await?;
[INFO] [stdout]     |                             ^^^^^^^^^ method not found in `tokio::io::BufWriter<tokio::net::TcpStream>`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-1.5.0/src/io/util/async_write_ext.rs:269:12
[INFO] [stdout]     |
[INFO] [stdout] 269 |         fn write_all<'a>(&'a mut self, src: &'a [u8]) -> WriteAll<'a, Self>
[INFO] [stdout]     |            --------- the method is available for `tokio::io::BufWriter<tokio::net::TcpStream>` here
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]     |
[INFO] [stdout] 1   | use tokio::io::AsyncWriteExt;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `write_u8` found for struct `tokio::io::BufWriter` in the current scope
[INFO] [stdout]    --> src/main.rs:53:29
[INFO] [stdout]     |
[INFO] [stdout] 53  |                 self.stream.write_u8(b'-').await?;
[INFO] [stdout]     |                             ^^^^^^^^ method not found in `tokio::io::BufWriter<tokio::net::TcpStream>`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-1.5.0/src/io/util/async_write_ext.rs:312:16
[INFO] [stdout]     |
[INFO] [stdout] 312 |             fn write_u8(&mut self, n: u8) -> WriteU8;
[INFO] [stdout]     |                -------- the method is available for `tokio::io::BufWriter<tokio::net::TcpStream>` here
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]     |
[INFO] [stdout] 1   | use tokio::io::AsyncWriteExt;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `write_all` found for struct `tokio::io::BufWriter` in the current scope
[INFO] [stdout]    --> src/main.rs:54:29
[INFO] [stdout]     |
[INFO] [stdout] 54  |                 self.stream.write_all(val.as_bytes()).await?;
[INFO] [stdout]     |                             ^^^^^^^^^ method not found in `tokio::io::BufWriter<tokio::net::TcpStream>`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-1.5.0/src/io/util/async_write_ext.rs:269:12
[INFO] [stdout]     |
[INFO] [stdout] 269 |         fn write_all<'a>(&'a mut self, src: &'a [u8]) -> WriteAll<'a, Self>
[INFO] [stdout]     |            --------- the method is available for `tokio::io::BufWriter<tokio::net::TcpStream>` here
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]     |
[INFO] [stdout] 1   | use tokio::io::AsyncWriteExt;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `write_all` found for struct `tokio::io::BufWriter` in the current scope
[INFO] [stdout]    --> src/main.rs:55:29
[INFO] [stdout]     |
[INFO] [stdout] 55  |                 self.stream.write_all(b"\r\n").await?;
[INFO] [stdout]     |                             ^^^^^^^^^ method not found in `tokio::io::BufWriter<tokio::net::TcpStream>`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-1.5.0/src/io/util/async_write_ext.rs:269:12
[INFO] [stdout]     |
[INFO] [stdout] 269 |         fn write_all<'a>(&'a mut self, src: &'a [u8]) -> WriteAll<'a, Self>
[INFO] [stdout]     |            --------- the method is available for `tokio::io::BufWriter<tokio::net::TcpStream>` here
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]     |
[INFO] [stdout] 1   | use tokio::io::AsyncWriteExt;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `write_u8` found for struct `tokio::io::BufWriter` in the current scope
[INFO] [stdout]    --> src/main.rs:58:29
[INFO] [stdout]     |
[INFO] [stdout] 58  |                 self.stream.write_u8(b':').await?;
[INFO] [stdout]     |                             ^^^^^^^^ method not found in `tokio::io::BufWriter<tokio::net::TcpStream>`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-1.5.0/src/io/util/async_write_ext.rs:312:16
[INFO] [stdout]     |
[INFO] [stdout] 312 |             fn write_u8(&mut self, n: u8) -> WriteU8;
[INFO] [stdout]     |                -------- the method is available for `tokio::io::BufWriter<tokio::net::TcpStream>` here
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]     |
[INFO] [stdout] 1   | use tokio::io::AsyncWriteExt;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `write_decimal` found for mutable reference `&mut Connection` in the current scope
[INFO] [stdout]   --> src/main.rs:59:22
[INFO] [stdout]    |
[INFO] [stdout] 59 |                 self.write_decimal(*val).await?;
[INFO] [stdout]    |                      ^^^^^^^^^^^^^ method not found in `&mut Connection`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `write_all` found for struct `tokio::io::BufWriter` in the current scope
[INFO] [stdout]    --> src/main.rs:62:29
[INFO] [stdout]     |
[INFO] [stdout] 62  |                 self.stream.write_all(b"$-1\r\n").await?;
[INFO] [stdout]     |                             ^^^^^^^^^ method not found in `tokio::io::BufWriter<tokio::net::TcpStream>`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-1.5.0/src/io/util/async_write_ext.rs:269:12
[INFO] [stdout]     |
[INFO] [stdout] 269 |         fn write_all<'a>(&'a mut self, src: &'a [u8]) -> WriteAll<'a, Self>
[INFO] [stdout]     |            --------- the method is available for `tokio::io::BufWriter<tokio::net::TcpStream>` here
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]     |
[INFO] [stdout] 1   | use tokio::io::AsyncWriteExt;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `write_u8` found for struct `tokio::io::BufWriter` in the current scope
[INFO] [stdout]    --> src/main.rs:67:29
[INFO] [stdout]     |
[INFO] [stdout] 67  |                 self.stream.write_u8(b'$').await?;
[INFO] [stdout]     |                             ^^^^^^^^ method not found in `tokio::io::BufWriter<tokio::net::TcpStream>`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-1.5.0/src/io/util/async_write_ext.rs:312:16
[INFO] [stdout]     |
[INFO] [stdout] 312 |             fn write_u8(&mut self, n: u8) -> WriteU8;
[INFO] [stdout]     |                -------- the method is available for `tokio::io::BufWriter<tokio::net::TcpStream>` here
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]     |
[INFO] [stdout] 1   | use tokio::io::AsyncWriteExt;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `advance` found for struct `BytesMut` in the current scope
[INFO] [stdout]    --> src/main.rs:88:29
[INFO] [stdout]     |
[INFO] [stdout] 88  |                 self.buffer.advance(len);
[INFO] [stdout]     |                             ^^^^^^^ method not found in `BytesMut`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/bytes-1.0.1/src/buf/buf_impl.rs:203:8
[INFO] [stdout]     |
[INFO] [stdout] 203 |     fn advance(&mut self, cnt: usize);
[INFO] [stdout]     |        ------- the method is available for `BytesMut` here
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]     |
[INFO] [stdout] 1   | use bytes::Buf;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `write_decimal` found for mutable reference `&mut Connection` in the current scope
[INFO] [stdout]   --> src/main.rs:68:22
[INFO] [stdout]    |
[INFO] [stdout] 68 |                 self.write_decimal(len as u64).await?;
[INFO] [stdout]    |                      ^^^^^^^^^^^^^ method not found in `&mut Connection`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `write_all` found for struct `tokio::io::BufWriter` in the current scope
[INFO] [stdout]    --> src/main.rs:69:29
[INFO] [stdout]     |
[INFO] [stdout] 69  |                 self.stream.write_all(val).await?;
[INFO] [stdout]     |                             ^^^^^^^^^ method not found in `tokio::io::BufWriter<tokio::net::TcpStream>`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-1.5.0/src/io/util/async_write_ext.rs:269:12
[INFO] [stdout]     |
[INFO] [stdout] 269 |         fn write_all<'a>(&'a mut self, src: &'a [u8]) -> WriteAll<'a, Self>
[INFO] [stdout]     |            --------- the method is available for `tokio::io::BufWriter<tokio::net::TcpStream>` here
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]     |
[INFO] [stdout] 1   | use tokio::io::AsyncWriteExt;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `write_all` found for struct `tokio::io::BufWriter` in the current scope
[INFO] [stdout]    --> src/main.rs:70:29
[INFO] [stdout]     |
[INFO] [stdout] 70  |                 self.stream.write_all(b"\r\n").await?;
[INFO] [stdout]     |                             ^^^^^^^^^ method not found in `tokio::io::BufWriter<tokio::net::TcpStream>`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-1.5.0/src/io/util/async_write_ext.rs:269:12
[INFO] [stdout]     |
[INFO] [stdout] 269 |         fn write_all<'a>(&'a mut self, src: &'a [u8]) -> WriteAll<'a, Self>
[INFO] [stdout]     |            --------- the method is available for `tokio::io::BufWriter<tokio::net::TcpStream>` here
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]     |
[INFO] [stdout] 1   | use tokio::io::AsyncWriteExt;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `flush` found for struct `tokio::io::BufWriter` in the current scope
[INFO] [stdout]    --> src/main.rs:75:21
[INFO] [stdout]     |
[INFO] [stdout] 75  |         self.stream.flush().await;
[INFO] [stdout]     |                     ^^^^^ method not found in `tokio::io::BufWriter<tokio::net::TcpStream>`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-1.5.0/src/io/util/async_write_ext.rs:999:12
[INFO] [stdout]     |
[INFO] [stdout] 999 |         fn flush(&mut self) -> Flush<'_, Self>
[INFO] [stdout]     |            ----- the method is available for `tokio::io::BufWriter<tokio::net::TcpStream>` here
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]     |
[INFO] [stdout] 1   | use tokio::io::AsyncWriteExt;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 17 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0433, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `advance` found for struct `BytesMut` in the current scope
[INFO] [stdout]    --> src/main.rs:88:29
[INFO] [stdout]     |
[INFO] [stdout] 88  |                 self.buffer.advance(len);
[INFO] [stdout]     |                             ^^^^^^^ method not found in `BytesMut`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/bytes-1.0.1/src/buf/buf_impl.rs:203:8
[INFO] [stdout]     |
[INFO] [stdout] 203 |     fn advance(&mut self, cnt: usize);
[INFO] [stdout]     |        ------- the method is available for `BytesMut` here
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]     |
[INFO] [stdout] 1   | use bytes::Buf;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hello_tokio` due to 18 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 17 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0433, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "eb3629c9fe01b914a608fcce7eda3990c5526ce77c135f75682e27959ecfd93d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb3629c9fe01b914a608fcce7eda3990c5526ce77c135f75682e27959ecfd93d", kill_on_drop: false }`
[INFO] [stdout] eb3629c9fe01b914a608fcce7eda3990c5526ce77c135f75682e27959ecfd93d
