[INFO] cloning repository https://github.com/DhafinFK/tutorial10-broadcastChat
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DhafinFK/tutorial10-broadcastChat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDhafinFK%2Ftutorial10-broadcastChat", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDhafinFK%2Ftutorial10-broadcastChat'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9f80c1c34f1023b1437e71a4b6d74703418a919b
[INFO] checking DhafinFK/tutorial10-broadcastChat/9f80c1c34f1023b1437e71a4b6d74703418a919b against master#a3f76a26e045a760bb1163b7eab36872985242d5 for pr-130930
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDhafinFK%2Ftutorial10-broadcastChat" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DhafinFK/tutorial10-broadcastChat on toolchain a3f76a26e045a760bb1163b7eab36872985242d5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/DhafinFK/tutorial10-broadcastChat
[INFO] finished tweaking git repo https://github.com/DhafinFK/tutorial10-broadcastChat
[INFO] tweaked toml for git repo https://github.com/DhafinFK/tutorial10-broadcastChat written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/DhafinFK/tutorial10-broadcastChat 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" "+a3f76a26e045a760bb1163b7eab36872985242d5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-websockets v0.8.2
[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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 182410efb6cff4bcfe0487e9b2253aa41b8955d197ebe9661834d564b1b5181a
[INFO] running `Command { std: "docker" "start" "-a" "182410efb6cff4bcfe0487e9b2253aa41b8955d197ebe9661834d564b1b5181a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "182410efb6cff4bcfe0487e9b2253aa41b8955d197ebe9661834d564b1b5181a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "182410efb6cff4bcfe0487e9b2253aa41b8955d197ebe9661834d564b1b5181a", kill_on_drop: false }`
[INFO] [stdout] 182410efb6cff4bcfe0487e9b2253aa41b8955d197ebe9661834d564b1b5181a
[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=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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 46cb37fcc559914bfa8ff8f0bc6c4ad4f05f92f89494c22bb7d49925e6e7fe96
[INFO] running `Command { std: "docker" "start" "-a" "46cb37fcc559914bfa8ff8f0bc6c4ad4f05f92f89494c22bb7d49925e6e7fe96", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.154
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]     Checking bytes v1.6.0
[INFO] [stderr]     Checking itoa v1.0.11
[INFO] [stderr]     Checking sha1_smol v1.0.0
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]     Checking fastrand v2.1.0
[INFO] [stderr]     Checking base64 v0.22.1
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking http v1.1.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]     Checking socket2 v0.5.7
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking parking_lot v0.12.2
[INFO] [stderr]     Checking tokio v1.37.0
[INFO] [stderr]     Checking tokio-util v0.7.11
[INFO] [stderr]     Checking tokio-websockets v0.8.2
[INFO] [stderr]     Checking broadcast_chat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `handle_connection` is never used
[INFO] [stdout]  --> src/server.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 | async fn handle_connection( addr: SocketAddr,
[INFO] [stdout]   |          ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/server.rs:40:10
[INFO] [stdout]    |
[INFO] [stdout] 40 | async fn main() -> Result<(), Box<dyn Error + Send + Sync>> {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> src/client.rs:8:10
[INFO] [stdout]   |
[INFO] [stdout] 8 | async fn main() -> Result<(), tokio_websockets::Error> {
[INFO] [stdout]   |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `handle_connection` is never used
[INFO] [stdout]  --> src/server.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 | async fn handle_connection( addr: SocketAddr,
[INFO] [stdout]   |          ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/server.rs:40:10
[INFO] [stdout]    |
[INFO] [stdout] 40 | async fn main() -> Result<(), Box<dyn Error + Send + Sync>> {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> src/client.rs:8:10
[INFO] [stdout]   |
[INFO] [stdout] 8 | async fn main() -> Result<(), tokio_websockets::Error> {
[INFO] [stdout]   |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.61s
[INFO] running `Command { std: "docker" "inspect" "46cb37fcc559914bfa8ff8f0bc6c4ad4f05f92f89494c22bb7d49925e6e7fe96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46cb37fcc559914bfa8ff8f0bc6c4ad4f05f92f89494c22bb7d49925e6e7fe96", kill_on_drop: false }`
[INFO] [stdout] 46cb37fcc559914bfa8ff8f0bc6c4ad4f05f92f89494c22bb7d49925e6e7fe96