[INFO] cloning repository https://github.com/Abdulrahman-Elfeky/async-chat
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Abdulrahman-Elfeky/async-chat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAbdulrahman-Elfeky%2Fasync-chat", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAbdulrahman-Elfeky%2Fasync-chat'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b4db20f99c6686803600a4f655718faf83c722ff
[INFO] checking Abdulrahman-Elfeky/async-chat against master#3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0 for pr-143164
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAbdulrahman-Elfeky%2Fasync-chat" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Abdulrahman-Elfeky/async-chat
[INFO] finished tweaking git repo https://github.com/Abdulrahman-Elfeky/async-chat
[INFO] tweaked toml for git repo https://github.com/Abdulrahman-Elfeky/async-chat written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Abdulrahman-Elfeky/async-chat on toolchain 3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Abdulrahman-Elfeky/async-chat 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" "+3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 45284b228e981f23cecd38f108175a0d2cec018883b92d7dbdf8c71cd059466d
[INFO] running `Command { std: "docker" "start" "-a" "45284b228e981f23cecd38f108175a0d2cec018883b92d7dbdf8c71cd059466d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "45284b228e981f23cecd38f108175a0d2cec018883b92d7dbdf8c71cd059466d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45284b228e981f23cecd38f108175a0d2cec018883b92d7dbdf8c71cd059466d", kill_on_drop: false }`
[INFO] [stdout] 45284b228e981f23cecd38f108175a0d2cec018883b92d7dbdf8c71cd059466d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ce2688f26d1b7bf0b77c34674d26e8a9e12f024817f2e9394a98d04cc9bd59b4
[INFO] running `Command { std: "docker" "start" "-a" "ce2688f26d1b7bf0b77c34674d26e8a9e12f024817f2e9394a98d04cc9bd59b4", kill_on_drop: false }`
[INFO] [stderr]     Checking pin-project-lite v0.2.15
[INFO] [stderr]     Checking parking v2.2.1
[INFO] [stderr]     Checking fastrand v2.2.0
[INFO] [stderr]     Checking futures-io v0.3.31
[INFO] [stderr]    Compiling rustix v0.38.41
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]     Checking linux-raw-sys v0.4.14
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]    Compiling libc v0.2.165
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]     Checking async-task v4.7.1
[INFO] [stderr]    Compiling serde v1.0.215
[INFO] [stderr]     Checking value-bag v1.10.0
[INFO] [stderr]     Checking concurrent-queue v2.5.0
[INFO] [stderr]    Compiling serde_json v1.0.133
[INFO] [stderr]     Checking tokio v1.41.1
[INFO] [stderr]     Checking event-listener v5.3.1
[INFO] [stderr]     Checking async-channel v1.9.0
[INFO] [stderr]     Checking futures-lite v2.5.0
[INFO] [stderr]     Checking piper v0.2.4
[INFO] [stderr]     Checking log v0.4.22
[INFO] [stderr]     Checking event-listener-strategy v0.5.2
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking async-lock v3.4.0
[INFO] [stderr]     Checking async-channel v2.3.1
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.89
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]     Checking blocking v1.6.1
[INFO] [stderr]     Checking async-executor v1.13.1
[INFO] [stderr]    Compiling serde_derive v1.0.215
[INFO] [stderr]     Checking polling v3.7.4
[INFO] [stderr]     Checking async-io v2.4.0
[INFO] [stderr]     Checking async-signal v0.2.10
[INFO] [stderr]     Checking async-global-executor v2.4.1
[INFO] [stderr]     Checking async-process v2.3.0
[INFO] [stderr]     Checking async-std v1.13.0
[INFO] [stderr]     Checking async-chat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `result`
[INFO] [stdout]  --> src/bin/server/main.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{env, result, sync::Arc};
[INFO] [stdout]   |                ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `eprint`
[INFO] [stdout]  --> src/bin/server/main.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | use async_std::{eprint, net::TcpListener, stream::StreamExt, task};
[INFO] [stdout]   |                 ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufRead`
[INFO] [stdout]  --> src/bin/server/connection.rs:8:10
[INFO] [stdout]   |
[INFO] [stdout] 8 |     io::{BufRead, BufReader, WriteExt},
[INFO] [stdout]   |          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `result`
[INFO] [stdout]  --> src/bin/server/main.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{env, result, sync::Arc};
[INFO] [stdout]   |                ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `eprint`
[INFO] [stdout]  --> src/bin/server/main.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | use async_std::{eprint, net::TcpListener, stream::StreamExt, task};
[INFO] [stdout]   |                 ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufRead`
[INFO] [stdout]  --> src/bin/server/connection.rs:8:10
[INFO] [stdout]   |
[INFO] [stdout] 8 |     io::{BufRead, BufReader, WriteExt},
[INFO] [stdout]   |          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.64s
[INFO] running `Command { std: "docker" "inspect" "ce2688f26d1b7bf0b77c34674d26e8a9e12f024817f2e9394a98d04cc9bd59b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce2688f26d1b7bf0b77c34674d26e8a9e12f024817f2e9394a98d04cc9bd59b4", kill_on_drop: false }`
[INFO] [stdout] ce2688f26d1b7bf0b77c34674d26e8a9e12f024817f2e9394a98d04cc9bd59b4
