[INFO] cloning repository https://github.com/xu-zhipeng/tcp-demo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xu-zhipeng/tcp-demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxu-zhipeng%2Ftcp-demo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxu-zhipeng%2Ftcp-demo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6510710e36154bb4aaa96c75044c04308f2c46c8
[INFO] checking xu-zhipeng/tcp-demo against try#9b8307bcb9d1de8ffc7e1c81c48efffdb24ee840 for pr-149518
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxu-zhipeng%2Ftcp-demo" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/xu-zhipeng/tcp-demo
[INFO] removed 0 missing examples
[INFO] finished tweaking git repo https://github.com/xu-zhipeng/tcp-demo
[INFO] tweaked toml for git repo https://github.com/xu-zhipeng/tcp-demo written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/xu-zhipeng/tcp-demo on toolchain 9b8307bcb9d1de8ffc7e1c81c48efffdb24ee840
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9b8307bcb9d1de8ffc7e1c81c48efffdb24ee840" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/xu-zhipeng/tcp-demo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9b8307bcb9d1de8ffc7e1c81c48efffdb24ee840" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking xu-zhipeng/tcp-demo against try#9b8307bcb9d1de8ffc7e1c81c48efffdb24ee840 for pr-149518
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxu-zhipeng%2Ftcp-demo" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/xu-zhipeng/tcp-demo
[INFO] removed 0 missing examples
[INFO] finished tweaking git repo https://github.com/xu-zhipeng/tcp-demo
[INFO] tweaked toml for git repo https://github.com/xu-zhipeng/tcp-demo written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/xu-zhipeng/tcp-demo on toolchain 9b8307bcb9d1de8ffc7e1c81c48efffdb24ee840
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9b8307bcb9d1de8ffc7e1c81c48efffdb24ee840" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/xu-zhipeng/tcp-demo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9b8307bcb9d1de8ffc7e1c81c48efffdb24ee840" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-vsock v0.4.0
[INFO] [stderr]   Downloaded vsock v0.3.0
[INFO] [stderr]   Downloaded async-trait v0.1.64
[INFO] [stderr]   Downloaded syn v2.0.23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+9b8307bcb9d1de8ffc7e1c81c48efffdb24ee840" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 47dc6428e4661eb50f2874568281c60a3548b66c11b0aeae93db89ded2dd58af
[INFO] running `Command { std: "docker" "start" "-a" "47dc6428e4661eb50f2874568281c60a3548b66c11b0aeae93db89ded2dd58af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47dc6428e4661eb50f2874568281c60a3548b66c11b0aeae93db89ded2dd58af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47dc6428e4661eb50f2874568281c60a3548b66c11b0aeae93db89ded2dd58af", kill_on_drop: false }`
[INFO] [stdout] 47dc6428e4661eb50f2874568281c60a3548b66c11b0aeae93db89ded2dd58af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+9b8307bcb9d1de8ffc7e1c81c48efffdb24ee840" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ae6446eede5d52663e30de6cfddca5baffadd7bd53fbf36b373b52908eac50c
[INFO] running `Command { std: "docker" "start" "-a" "0ae6446eede5d52663e30de6cfddca5baffadd7bd53fbf36b373b52908eac50c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling proc-macro2 v1.0.63
[INFO] [stderr]    Compiling quote v1.0.29
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling tokio v1.25.0
[INFO] [stderr]    Compiling async-trait v0.1.64
[INFO] [stderr]     Checking parking_lot_core v0.9.7
[INFO] [stderr]     Checking socket2 v0.4.7
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking mio v0.8.6
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]    Compiling tokio-macros v1.8.2
[INFO] [stderr]     Checking tcp-demo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `tcp::vsock`
[INFO] [stdout]  --> src/tokio_vsock_server.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | use tcp::vsock::{SocketAsyncRecvTrait, SocketAsyncSendTrait};
[INFO] [stdout]   |          ^^^^^ could not find `vsock` in `tcp`
[INFO] [stdout]   |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]  --> /opt/rustwide/workdir/src/lib.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | #[cfg(feature = "vsock")]
[INFO] [stdout]   |       ----------------- the item is gated behind the `vsock` feature
[INFO] [stdout] 3 | pub mod vsock;
[INFO] [stdout]   |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `tokio_vsock`
[INFO] [stdout]  --> src/tokio_vsock_server.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use tokio_vsock::{VsockListener, VsockStream};
[INFO] [stdout]   |     ^^^^^^^^^^^ use of unresolved module or unlinked crate `tokio_vsock`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `tokio_vsock`, use `cargo add tokio_vsock` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `socket`
[INFO] [stdout]  --> src/tcp_server.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use socket::{SocketRecvTrait, SocketSendTrait};
[INFO] [stdout]   |     ^^^^^^ help: a similar path exists: `tcp::socket`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Shutdown`
[INFO] [stdout]  --> src/tcp_server.rs:2:16
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::net::{Shutdown, TcpListener, TcpStream};
[INFO] [stdout]   |                ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> src/tcp_server.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `tcp::vsock`
[INFO] [stdout]  --> src/tokio_vsock_client.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | use tcp::vsock::{SocketAsyncRecvTrait, SocketAsyncSendTrait};
[INFO] [stdout]   |          ^^^^^ could not find `vsock` in `tcp`
[INFO] [stdout]   |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]  --> /opt/rustwide/workdir/src/lib.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | #[cfg(feature = "vsock")]
[INFO] [stdout]   |       ----------------- the item is gated behind the `vsock` feature
[INFO] [stdout] 3 | pub mod vsock;
[INFO] [stdout]   |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `tokio_vsock`
[INFO] [stdout]  --> src/tokio_vsock_client.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use tokio_vsock::VsockStream;
[INFO] [stdout]   |     ^^^^^^^^^^^ use of unresolved module or unlinked crate `tokio_vsock`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `tokio_vsock`, use `cargo add tokio_vsock` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `socket`
[INFO] [stdout]  --> src/tcp_client.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use socket::{SocketRecvTrait, SocketSendTrait};
[INFO] [stdout]   |     ^^^^^^ help: a similar path exists: `tcp::socket`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `socket`
[INFO] [stdout]  --> src/tokio_tcp_client.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use socket::{SocketAsyncRecvTrait, SocketAsyncSendTrait};
[INFO] [stdout]   |     ^^^^^^ help: a similar path exists: `tcp::socket`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]  --> src/tcp_client.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::Write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Shutdown`
[INFO] [stdout]  --> src/tcp_client.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::net::{Shutdown, TcpStream};
[INFO] [stdout]   |                ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `tcp::vsock`
[INFO] [stdout]  --> src/vsock_client.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | use tcp::vsock::SocketAsyncRecvTrait;
[INFO] [stdout]   |          ^^^^^ could not find `vsock` in `tcp`
[INFO] [stdout]   |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]  --> /opt/rustwide/workdir/src/lib.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | #[cfg(feature = "vsock")]
[INFO] [stdout]   |       ----------------- the item is gated behind the `vsock` feature
[INFO] [stdout] 3 | pub mod vsock;
[INFO] [stdout]   |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `tokio_vsock`
[INFO] [stdout]  --> src/vsock_client.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use tokio_vsock::VsockStream;
[INFO] [stdout]   |     ^^^^^^^^^^^ use of unresolved module or unlinked crate `tokio_vsock`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `tokio_vsock`, use `cargo add tokio_vsock` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `read_len` found for struct `std::net::TcpStream` in the current scope
[INFO] [stdout]    --> src/tcp_server.rs:32:26
[INFO] [stdout]     |
[INFO] [stdout]  32 |     let request = stream.read_len()?;
[INFO] [stdout]     |                          ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/workdir/src/socket.rs:308:8
[INFO] [stdout]     |
[INFO] [stdout] 308 |     fn read_len(&mut self) -> Result<String, io::Error>;
[INFO] [stdout]     |        -------- the method is available for `std::net::TcpStream` here
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: there is a method `read` with a similar name, but with different arguments
[INFO] [stdout]    --> /rustc/9b8307bcb9d1de8ffc7e1c81c48efffdb24ee840/library/std/src/io/mod.rs:788:4
[INFO] [stdout] help: trait `SocketRecvTrait` which provides `read_len` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout]   1 + use tcp::socket::SocketRecvTrait;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `send_len` found for struct `std::net::TcpStream` in the current scope
[INFO] [stdout]    --> src/tcp_server.rs:37:12
[INFO] [stdout]     |
[INFO] [stdout]  37 |     stream.send_len(response)?;
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/workdir/src/socket.rs:296:8
[INFO] [stdout]     |
[INFO] [stdout] 296 |     fn send_len(&mut self, msg: String) -> Result<usize, io::Error>;
[INFO] [stdout]     |        -------- the method is available for `std::net::TcpStream` here
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `SocketSendTrait` which provides `send_len` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout]   1 + use tcp::socket::SocketSendTrait;
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `send` with a similar name
[INFO] [stdout]     |
[INFO] [stdout]  37 -     stream.send_len(response)?;
[INFO] [stdout]  37 +     stream.send(response)?;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `AsyncWriteExt`
[INFO] [stdout]  --> src/tokio_tcp_client.rs:1:23
[INFO] [stdout]   |
[INFO] [stdout] 1 | use tokio::io::{self, AsyncWriteExt, ReadHalf};
[INFO] [stdout]   |                       ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tcp-demo` (example "tcp_client") due to 1 previous error; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/tokio_vsock_client.rs:60:22
[INFO] [stdout]    |
[INFO] [stdout] 60 |         let stream = VsockStream::connect(cid, port).await.expect(&format!("vsock connect error,cid:{} port:{}", cid, port));
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/tokio_vsock_client.rs:10:22
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let mut stream = VsockStream::connect(cid, port).await.expect(&format!("vsock connect error,cid:{} port:{}", cid, port));
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tcp-demo` (example "tokio_vsock_server") due to 2 previous errors
[INFO] [stderr] error: could not compile `tcp-demo` (example "tcp_server") due to 3 previous errors; 2 warnings emitted
[INFO] [stdout] Some errors have detailed explanations: E0282, E0432.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `send_len` found for struct `tokio::net::UnixStream` in the current scope
[INFO] [stdout]   --> src/vsock_client.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 |     stream.send_len(msg.to_string()).await?;
[INFO] [stdout]    |            ^^^^^^^^ method not found in `tokio::net::UnixStream`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tcp-demo` (example "tokio_vsock_client") due to 4 previous errors
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tcp-demo` (example "vsock_client") due to 3 previous errors
[INFO] [stderr] error: could not compile `tcp-demo` (example "tokio_tcp_client") due to 1 previous error; 1 warning emitted
[INFO] [stdout] error[E0432]: unresolved import `tcp::vsock`
[INFO] [stdout]  --> src/vsock_server.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | use tcp::vsock::{SocketAsyncRecvTrait, SocketAsyncSendTrait};
[INFO] [stdout]   |          ^^^^^ could not find `vsock` in `tcp`
[INFO] [stdout]   |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]  --> /opt/rustwide/workdir/src/lib.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | #[cfg(feature = "vsock")]
[INFO] [stdout]   |       ----------------- the item is gated behind the `vsock` feature
[INFO] [stdout] 3 | pub mod vsock;
[INFO] [stdout]   |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `tokio_vsock`
[INFO] [stdout]  --> src/vsock_server.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use tokio_vsock::VsockStream;
[INFO] [stdout]   |     ^^^^^^^^^^^ use of unresolved module or unlinked crate `tokio_vsock`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `tokio_vsock`, use `cargo add tokio_vsock` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `stream` in this scope
[INFO] [stdout]   --> src/vsock_server.rs:20:26
[INFO] [stdout]    |
[INFO] [stdout] 20 |             process_data(stream).await?;
[INFO] [stdout]    |                          ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `Result<tokio::net::UnixListener, std::io::Error>` is not a future
[INFO] [stdout]   --> src/vsock_server.rs:10:57
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let listener = UnixListener::bind("vsock://2:5000").await?;
[INFO] [stdout]    |                    ------------------------------------ ^^^^^ `Result<tokio::net::UnixListener, std::io::Error>` is not a future
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    this call returns `Result<tokio::net::UnixListener, std::io::Error>`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Future` is not implemented for `Result<tokio::net::UnixListener, std::io::Error>`
[INFO] [stdout]    = note: Result<tokio::net::UnixListener, std::io::Error> must be a future or must implement `IntoFuture` to be awaited
[INFO] [stdout]    = note: required for `Result<tokio::net::UnixListener, std::io::Error>` to implement `IntoFuture`
[INFO] [stdout] help: remove the `.await`
[INFO] [stdout]    |
[INFO] [stdout] 10 -     let listener = UnixListener::bind("vsock://2:5000").await?;
[INFO] [stdout] 10 +     let listener = UnixListener::bind("vsock://2:5000")?;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/vsock_server.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let listener = UnixListener::bind("vsock://2:5000").await?;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 15 |         let (socket, _) = listener.accept().await?;
[INFO] [stdout]    |                           -------- type must be known at this point
[INFO] [stdout]    |
[INFO] [stdout] help: consider giving `listener` an explicit type
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let listener: /* Type */ = UnixListener::bind("vsock://2:5000").await?;
[INFO] [stdout]    |                 ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in an async block that returns `Result` or `Option` (or another type that implements `FromResidual`)
[INFO] [stdout]   --> src/vsock_server.rs:20:39
[INFO] [stdout]    |
[INFO] [stdout] 16 |         tokio::spawn(async move {
[INFO] [stdout]    |                      ---------- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout] ...
[INFO] [stdout] 20 |             process_data(stream).await?;
[INFO] [stdout]    |                                       ^ cannot use the `?` operator in an async block that returns `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0282, E0425, E0432.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tcp-demo` (example "vsock_server") due to 6 previous errors
[INFO] running `Command { std: "docker" "inspect" "0ae6446eede5d52663e30de6cfddca5baffadd7bd53fbf36b373b52908eac50c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ae6446eede5d52663e30de6cfddca5baffadd7bd53fbf36b373b52908eac50c", kill_on_drop: false }`
[INFO] [stdout] 0ae6446eede5d52663e30de6cfddca5baffadd7bd53fbf36b373b52908eac50c
