[INFO] fetching crate raft4rs 0.1.4...
[INFO] testing raft4rs-0.1.4 against 1.76.0 for beta-1.77-1
[INFO] extracting crate raft4rs 0.1.4 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate raft4rs 0.1.4 on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate raft4rs 0.1.4
[INFO] finished tweaking crates.io crate raft4rs 0.1.4
[INFO] tweaked toml for crates.io crate raft4rs 0.1.4 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded deadpool v0.5.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 747903c80e79cb4524c2d55136735c53300b545e1ee0740c8234571ba1483928
[INFO] running `Command { std: "docker" "start" "-a" "747903c80e79cb4524c2d55136735c53300b545e1ee0740c8234571ba1483928", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "747903c80e79cb4524c2d55136735c53300b545e1ee0740c8234571ba1483928", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "747903c80e79cb4524c2d55136735c53300b545e1ee0740c8234571ba1483928", kill_on_drop: false }`
[INFO] [stdout] 747903c80e79cb4524c2d55136735c53300b545e1ee0740c8234571ba1483928
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 287a21f18164e36ce38b9501af61746f0b1497645feebbf2fc4cf7820748f151
[INFO] running `Command { std: "docker" "start" "-a" "287a21f18164e36ce38b9501af61746f0b1497645feebbf2fc4cf7820748f151", kill_on_drop: false }`
[INFO] [stderr]    Compiling pin-project-lite v0.2.13
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling parking v2.2.0
[INFO] [stderr]    Compiling futures-core v0.3.30
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling futures-io v0.3.30
[INFO] [stderr]    Compiling fastrand v2.0.1
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling rustix v0.38.31
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling linux-raw-sys v0.4.13
[INFO] [stderr]    Compiling bitflags v2.4.2
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling value-bag v1.7.0
[INFO] [stderr]    Compiling concurrent-queue v2.4.0
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling rustix v0.37.27
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling event-listener v4.0.3
[INFO] [stderr]    Compiling futures-lite v2.2.0
[INFO] [stderr]    Compiling event-listener v5.0.0
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling event-listener v2.5.3
[INFO] [stderr]    Compiling event-listener-strategy v0.4.0
[INFO] [stderr]    Compiling event-listener-strategy v0.5.0
[INFO] [stderr]    Compiling nom v5.1.3
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling async-lock v3.3.0
[INFO] [stderr]    Compiling fastrand v1.9.0
[INFO] [stderr]    Compiling pin-project-lite v0.1.12
[INFO] [stderr]    Compiling linux-raw-sys v0.3.8
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling waker-fn v1.1.1
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling async-task v4.7.0
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling atomic-waker v1.1.2
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling piper v0.2.1
[INFO] [stderr]    Compiling futures-lite v1.13.0
[INFO] [stderr]    Compiling async-channel v2.2.0
[INFO] [stderr]    Compiling async-lock v2.8.0
[INFO] [stderr]    Compiling futures-sink v0.3.30
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling futures-channel v0.3.30
[INFO] [stderr]    Compiling event-listener v3.1.0
[INFO] [stderr]    Compiling async-executor v1.8.0
[INFO] [stderr]    Compiling blocking v1.5.1
[INFO] [stderr]    Compiling futures-task v0.3.30
[INFO] [stderr]    Compiling async-attributes v1.1.2
[INFO] [stderr]    Compiling tokio v0.2.25
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling futures-util v0.3.30
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling async-channel v1.9.0
[INFO] [stderr]    Compiling socket2 v0.4.10
[INFO] [stderr]    Compiling signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling serde_derive v1.0.196
[INFO] [stderr]    Compiling thiserror-impl v1.0.57
[INFO] [stderr]    Compiling async-trait v0.1.77
[INFO] [stderr]    Compiling thiserror v1.0.57
[INFO] [stderr]    Compiling polling v3.4.0
[INFO] [stderr]    Compiling async-io v2.3.1
[INFO] [stderr]    Compiling futures v0.3.30
[INFO] [stderr]    Compiling async-signal v0.2.5
[INFO] [stderr]    Compiling async-global-executor v2.4.1
[INFO] [stderr]    Compiling async-process v1.8.1
[INFO] [stderr]    Compiling async-std v1.12.0
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]    Compiling config v0.10.1
[INFO] [stderr]    Compiling deadpool v0.5.2
[INFO] [stderr]    Compiling raft4rs v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved imports `async_std::sync::channel`, `async_std::sync::Receiver`, `async_std::sync::Sender`
[INFO] [stdout]  --> src/raft.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 |     sync::{channel, Mutex, Receiver, RwLock, Sender as Tx},
[INFO] [stdout]   |            ^^^^^^^         ^^^^^^^^          ^^^^^^^^^^^^ no `Sender` in `sync`
[INFO] [stdout]   |            |               |
[INFO] [stdout]   |            |               no `Receiver` in `sync`
[INFO] [stdout]   |            no `channel` in `sync`
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider importing one of these items instead:
[INFO] [stdout]           async_std::channel
[INFO] [stdout]           futures::channel
[INFO] [stdout]   = help: consider importing one of these items instead:
[INFO] [stdout]           async_std::channel::Receiver
[INFO] [stdout]           core::ops::Receiver
[INFO] [stdout]           std::ops::Receiver
[INFO] [stdout]           std::sync::mpsc::Receiver
[INFO] [stdout]   = help: consider importing one of these items instead:
[INFO] [stdout]           async_std::channel::Sender
[INFO] [stdout]           crate::sender::Sender
[INFO] [stdout]           std::sync::mpsc::Sender
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `async_std::sync::channel`
[INFO] [stdout]  --> src/sender.rs:4:45
[INFO] [stdout]   |
[INFO] [stdout] 4 | use async_std::{net::TcpStream, prelude::*, sync::channel, sync::RwLock, task};
[INFO] [stdout]   |                                             ^^^^^^^^^^^^^ no `channel` in `sync`
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider importing one of these items instead:
[INFO] [stdout]           async_std::channel
[INFO] [stdout]           futures::channel
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `raft4rs` (lib) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "287a21f18164e36ce38b9501af61746f0b1497645feebbf2fc4cf7820748f151", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "287a21f18164e36ce38b9501af61746f0b1497645feebbf2fc4cf7820748f151", kill_on_drop: false }`
[INFO] [stdout] 287a21f18164e36ce38b9501af61746f0b1497645feebbf2fc4cf7820748f151
[INFO] testing raft4rs-0.1.4 against beta-2024-02-10 for beta-1.77-1
[INFO] extracting crate raft4rs 0.1.4 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate raft4rs 0.1.4 on toolchain beta-2024-02-10
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate raft4rs 0.1.4
[INFO] finished tweaking crates.io crate raft4rs 0.1.4
[INFO] tweaked toml for crates.io crate raft4rs 0.1.4 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5f83acd3686d0a5179e99b8a9137277feb41adfce61344ba1f7455f184386cee
[INFO] running `Command { std: "docker" "start" "-a" "5f83acd3686d0a5179e99b8a9137277feb41adfce61344ba1f7455f184386cee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5f83acd3686d0a5179e99b8a9137277feb41adfce61344ba1f7455f184386cee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f83acd3686d0a5179e99b8a9137277feb41adfce61344ba1f7455f184386cee", kill_on_drop: false }`
[INFO] [stdout] 5f83acd3686d0a5179e99b8a9137277feb41adfce61344ba1f7455f184386cee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 53672f6e1d03eec01a0560e173df90c160ad27bdc3e5a48235fb61342c1965ed
[INFO] running `Command { std: "docker" "start" "-a" "53672f6e1d03eec01a0560e173df90c160ad27bdc3e5a48235fb61342c1965ed", kill_on_drop: false }`
[INFO] [stderr]    Compiling pin-project-lite v0.2.13
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling parking v2.2.0
[INFO] [stderr]    Compiling futures-core v0.3.30
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling futures-io v0.3.30
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling fastrand v2.0.1
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling rustix v0.38.31
[INFO] [stderr]    Compiling linux-raw-sys v0.4.13
[INFO] [stderr]    Compiling bitflags v2.4.2
[INFO] [stderr]    Compiling value-bag v1.7.0
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling concurrent-queue v2.4.0
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]    Compiling event-listener v2.5.3
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling futures-lite v2.2.0
[INFO] [stderr]    Compiling event-listener v4.0.3
[INFO] [stderr]    Compiling event-listener v5.0.0
[INFO] [stderr]    Compiling rustix v0.37.27
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling nom v5.1.3
[INFO] [stderr]    Compiling event-listener-strategy v0.4.0
[INFO] [stderr]    Compiling event-listener-strategy v0.5.0
[INFO] [stderr]    Compiling async-lock v3.3.0
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling pin-project-lite v0.1.12
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling async-task v4.7.0
[INFO] [stderr]    Compiling waker-fn v1.1.1
[INFO] [stderr]    Compiling atomic-waker v1.1.2
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling fastrand v1.9.0
[INFO] [stderr]    Compiling linux-raw-sys v0.3.8
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling piper v0.2.1
[INFO] [stderr]    Compiling async-channel v2.2.0
[INFO] [stderr]    Compiling futures-lite v1.13.0
[INFO] [stderr]    Compiling tokio v0.2.25
[INFO] [stderr]    Compiling async-lock v2.8.0
[INFO] [stderr]    Compiling futures-sink v0.3.30
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling event-listener v3.1.0
[INFO] [stderr]    Compiling futures-task v0.3.30
[INFO] [stderr]    Compiling futures-channel v0.3.30
[INFO] [stderr]    Compiling blocking v1.5.1
[INFO] [stderr]    Compiling async-executor v1.8.0
[INFO] [stderr]    Compiling async-attributes v1.1.2
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling futures-util v0.3.30
[INFO] [stderr]    Compiling async-channel v1.9.0
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling socket2 v0.4.10
[INFO] [stderr]    Compiling signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling serde_derive v1.0.196
[INFO] [stderr]    Compiling thiserror-impl v1.0.57
[INFO] [stderr]    Compiling async-trait v0.1.77
[INFO] [stderr]    Compiling futures v0.3.30
[INFO] [stderr]    Compiling polling v3.4.0
[INFO] [stderr]    Compiling async-io v2.3.1
[INFO] [stderr]    Compiling thiserror v1.0.57
[INFO] [stderr]    Compiling async-signal v0.2.5
[INFO] [stderr]    Compiling async-global-executor v2.4.1
[INFO] [stderr]    Compiling async-process v1.8.1
[INFO] [stderr]    Compiling async-std v1.12.0
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]    Compiling config v0.10.1
[INFO] [stderr]    Compiling deadpool v0.5.2
[INFO] [stderr]    Compiling raft4rs v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved imports `async_std::sync::channel`, `async_std::sync::Receiver`, `async_std::sync::Sender`
[INFO] [stdout]  --> src/raft.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 |     sync::{channel, Mutex, Receiver, RwLock, Sender as Tx},
[INFO] [stdout]   |            ^^^^^^^         ^^^^^^^^          ^^^^^^^^^^^^ no `Sender` in `sync`
[INFO] [stdout]   |            |               |
[INFO] [stdout]   |            |               no `Receiver` in `sync`
[INFO] [stdout]   |            no `channel` in `sync`
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider importing one of these items instead:
[INFO] [stdout]           async_std::channel
[INFO] [stdout]           futures::channel
[INFO] [stdout]   = help: consider importing one of these items instead:
[INFO] [stdout]           async_std::channel::Receiver
[INFO] [stdout]           std::sync::mpsc::Receiver
[INFO] [stdout]   = help: consider importing one of these items instead:
[INFO] [stdout]           async_std::channel::Sender
[INFO] [stdout]           crate::sender::Sender
[INFO] [stdout]           std::sync::mpsc::Sender
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `async_std::sync::channel`
[INFO] [stdout]  --> src/sender.rs:4:45
[INFO] [stdout]   |
[INFO] [stdout] 4 | use async_std::{net::TcpStream, prelude::*, sync::channel, sync::RwLock, task};
[INFO] [stdout]   |                                             ^^^^^^^^^^^^^ no `channel` in `sync`
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider importing one of these items instead:
[INFO] [stdout]           async_std::channel
[INFO] [stdout]           futures::channel
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `raft4rs` (lib) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "53672f6e1d03eec01a0560e173df90c160ad27bdc3e5a48235fb61342c1965ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53672f6e1d03eec01a0560e173df90c160ad27bdc3e5a48235fb61342c1965ed", kill_on_drop: false }`
[INFO] [stdout] 53672f6e1d03eec01a0560e173df90c160ad27bdc3e5a48235fb61342c1965ed
