[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; [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; [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` 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` is not a future [INFO] [stdout] | | [INFO] [stdout] | this call returns `Result` [INFO] [stdout] | [INFO] [stdout] = help: the trait `Future` is not implemented for `Result` [INFO] [stdout] = note: Result must be a future or must implement `IntoFuture` to be awaited [INFO] [stdout] = note: required for `Result` 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