[INFO] cloning repository https://github.com/Nadekoooo/adv-progmod10broadcast
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Nadekoooo/adv-progmod10broadcast" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNadekoooo%2Fadv-progmod10broadcast", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNadekoooo%2Fadv-progmod10broadcast'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 80572e6b7d79c0a91db4055e7d62a7929216a92d
[INFO] checking Nadekoooo/adv-progmod10broadcast against master#42f4793e5a514858221b07ac379029d90353913e for pr-148952
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNadekoooo%2Fadv-progmod10broadcast" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Nadekoooo/adv-progmod10broadcast
[INFO] finished tweaking git repo https://github.com/Nadekoooo/adv-progmod10broadcast
[INFO] tweaked toml for git repo https://github.com/Nadekoooo/adv-progmod10broadcast written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Nadekoooo/adv-progmod10broadcast on toolchain 42f4793e5a514858221b07ac379029d90353913e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+42f4793e5a514858221b07ac379029d90353913e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Nadekoooo/adv-progmod10broadcast 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" "+42f4793e5a514858221b07ac379029d90353913e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-websockets v0.11.4
[INFO] [stderr]   Downloaded tokio v1.45.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+42f4793e5a514858221b07ac379029d90353913e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 15a04324090f0b7474833f3125b004b40ac322bd5ec95f3e9cf64454ce499541
[INFO] running `Command { std: "docker" "start" "-a" "15a04324090f0b7474833f3125b004b40ac322bd5ec95f3e9cf64454ce499541", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "15a04324090f0b7474833f3125b004b40ac322bd5ec95f3e9cf64454ce499541", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15a04324090f0b7474833f3125b004b40ac322bd5ec95f3e9cf64454ce499541", kill_on_drop: false }`
[INFO] [stdout] 15a04324090f0b7474833f3125b004b40ac322bd5ec95f3e9cf64454ce499541
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+42f4793e5a514858221b07ac379029d90353913e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 219436de5834640fe61deee7bc5640a0ca28fc0f740b6887d12d9dc152586623
[INFO] running `Command { std: "docker" "start" "-a" "219436de5834640fe61deee7bc5640a0ca28fc0f740b6887d12d9dc152586623", kill_on_drop: false }`
[INFO] [stderr]     Checking sha1_smol v1.0.1
[INFO] [stderr]     Checking simdutf8 v0.1.5
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking signal-hook-registry v1.4.5
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]     Checking tokio v1.45.0
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking serde v1.0.219
[INFO] [stderr]     Checking tokio-util v0.7.15
[INFO] [stderr]     Checking serde_json v1.0.140
[INFO] [stderr]     Checking tokio-websockets v0.11.4
[INFO] [stderr]     Checking chat-async v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/server.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     mut ws_stream: WebSocketStream<TcpStream>,
[INFO] [stdout]    |     ----^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/server.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     mut ws_stream: WebSocketStream<TcpStream>,
[INFO] [stdout]    |     ----^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/bin/client.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let (mut ws_stream, _) =
[INFO] [stdout]   |          ----^^^^^^^^^
[INFO] [stdout]   |          |
[INFO] [stdout]   |          help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/bin/client.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let (mut ws_stream, _) =
[INFO] [stdout]   |          ----^^^^^^^^^
[INFO] [stdout]   |          |
[INFO] [stdout]   |          help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.88s
[INFO] running `Command { std: "docker" "inspect" "219436de5834640fe61deee7bc5640a0ca28fc0f740b6887d12d9dc152586623", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "219436de5834640fe61deee7bc5640a0ca28fc0f740b6887d12d9dc152586623", kill_on_drop: false }`
[INFO] [stdout] 219436de5834640fe61deee7bc5640a0ca28fc0f740b6887d12d9dc152586623