[INFO] cloning repository https://github.com/viscasa/advprog-module10-broadcast
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/viscasa/advprog-module10-broadcast" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fviscasa%2Fadvprog-module10-broadcast", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fviscasa%2Fadvprog-module10-broadcast'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 173642b2cf1ac9edd62ffe44a911f0fcb8ce1405
[INFO] checking viscasa/advprog-module10-broadcast against a7c37f9f0ee5e93396106e9de20f4a86b4154e63 for pr-129249-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fviscasa%2Fadvprog-module10-broadcast" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/viscasa/advprog-module10-broadcast
[INFO] finished tweaking git repo https://github.com/viscasa/advprog-module10-broadcast
[INFO] tweaked toml for git repo https://github.com/viscasa/advprog-module10-broadcast written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/viscasa/advprog-module10-broadcast on toolchain a7c37f9f0ee5e93396106e9de20f4a86b4154e63
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7c37f9f0ee5e93396106e9de20f4a86b4154e63" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/viscasa/advprog-module10-broadcast 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" "+a7c37f9f0ee5e93396106e9de20f4a86b4154e63" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded miniz_oxide v0.8.8
[INFO] [stderr]   Downloaded redox_syscall v0.5.12
[INFO] [stderr]   Downloaded serde_json v1.0.140
[INFO] [stderr]   Downloaded tokio-websockets v0.8.3
[INFO] [stderr]   Downloaded tokio v1.45.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:c0af3998e971868164375a7dfb646c9933ddd1a3bdb00fa2041266763dc1eeab" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 3a8c1e45a2e2a7cfdd0f46e93b2448d97176cb66df30196ff03b95eb39be3d56
[INFO] running `Command { std: "docker" "start" "3a8c1e45a2e2a7cfdd0f46e93b2448d97176cb66df30196ff03b95eb39be3d56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a8c1e45a2e2a7cfdd0f46e93b2448d97176cb66df30196ff03b95eb39be3d56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "3a8c1e45a2e2a7cfdd0f46e93b2448d97176cb66df30196ff03b95eb39be3d56" "/opt/rustwide/cargo-home/bin/cargo" "+a7c37f9f0ee5e93396106e9de20f4a86b4154e63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a8c1e45a2e2a7cfdd0f46e93b2448d97176cb66df30196ff03b95eb39be3d56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "3a8c1e45a2e2a7cfdd0f46e93b2448d97176cb66df30196ff03b95eb39be3d56" "/opt/rustwide/cargo-home/bin/cargo" "+a7c37f9f0ee5e93396106e9de20f4a86b4154e63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]     Checking smallvec v1.15.0
[INFO] [stderr]     Checking bytes v1.10.1
[INFO] [stderr]     Checking futures-sink v0.3.31
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]     Checking itoa v1.0.15
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]     Checking ryu v1.0.20
[INFO] [stderr]     Checking sha1_smol v1.0.1
[INFO] [stderr]     Checking fastrand v2.3.0
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]     Checking http v1.3.1
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]     Checking signal-hook-registry v1.4.5
[INFO] [stderr]     Checking socket2 v0.5.9
[INFO] [stderr]     Checking mio v1.0.3
[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 tokio-util v0.7.15
[INFO] [stderr]     Checking tokio-websockets v0.8.3
[INFO] [stderr]     Checking broadcast v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `msg_payload`
[INFO] [stdout]   --> src/bin/server.rs:74:45
[INFO] [stdout]    |
[INFO] [stdout] 74 | ...                   let msg_payload = json!({
[INFO] [stdout]    |                           ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_msg_payload`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ServerState` is never constructed
[INFO] [stdout]   --> src/bin/server.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | struct ServerState {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msg_payload`
[INFO] [stdout]   --> src/bin/server.rs:74:45
[INFO] [stdout]    |
[INFO] [stdout] 74 | ...                   let msg_payload = json!({
[INFO] [stdout]    |                           ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_msg_payload`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ServerState` is never constructed
[INFO] [stdout]   --> src/bin/server.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | struct ServerState {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.98s
[INFO] running `Command { std: "docker" "inspect" "3a8c1e45a2e2a7cfdd0f46e93b2448d97176cb66df30196ff03b95eb39be3d56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a8c1e45a2e2a7cfdd0f46e93b2448d97176cb66df30196ff03b95eb39be3d56", kill_on_drop: false }`
[INFO] [stdout] 3a8c1e45a2e2a7cfdd0f46e93b2448d97176cb66df30196ff03b95eb39be3d56
