[INFO] cloning repository https://github.com/lwcreel/rust_chat
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lwcreel/rust_chat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flwcreel%2Frust_chat", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flwcreel%2Frust_chat'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 974fae48cdfe0e3a2e192df1c1c6d5f832a1208a
[INFO] testing lwcreel/rust_chat against 1.98.0-beta.8+cargoflags=--release for beta-release-1.99-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flwcreel%2Frust_chat" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/lwcreel/rust_chat
[INFO] finished tweaking git repo https://github.com/lwcreel/rust_chat
[INFO] tweaked toml for git repo https://github.com/lwcreel/rust_chat written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/lwcreel/rust_chat on toolchain 1.98.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.98.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/lwcreel/rust_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" "+1.98.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded threadpool v1.8.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 058a5e5e026f5ede113bcd42728fadeb3470b9854a48045afc3197c37eddc9f9
[INFO] running `Command { std: "docker" "start" "058a5e5e026f5ede113bcd42728fadeb3470b9854a48045afc3197c37eddc9f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "058a5e5e026f5ede113bcd42728fadeb3470b9854a48045afc3197c37eddc9f9", 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" "058a5e5e026f5ede113bcd42728fadeb3470b9854a48045afc3197c37eddc9f9" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "058a5e5e026f5ede113bcd42728fadeb3470b9854a48045afc3197c37eddc9f9", 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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "058a5e5e026f5ede113bcd42728fadeb3470b9854a48045afc3197c37eddc9f9" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.180
[INFO] [stderr]    Compiling num_cpus v1.17.0
[INFO] [stderr]    Compiling threadpool v1.8.1
[INFO] [stderr]    Compiling rust_chat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `rust_chat` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0596]: cannot borrow `client.connection` as mutable, as it is behind a `&` reference
[INFO] [stdout]   --> src/lib.rs:65:13
[INFO] [stdout]    |
[INFO] [stdout] 63 |         for client in server.connections.iter() {
[INFO] [stdout]    |                       ------------------------- this iterator yields `&` references
[INFO] [stdout] 64 |             let mut input = String::new();
[INFO] [stdout] 65 |             client.connection.read_line(&mut input).unwrap();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^ `client` is a `&` reference, so it cannot be borrowed as mutable
[INFO] [stdout]    |
[INFO] [stdout] help: use mutable method
[INFO] [stdout]    |
[INFO] [stdout] 63 |         for client in server.connections.iter_mut() {
[INFO] [stdout]    |                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0596`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "058a5e5e026f5ede113bcd42728fadeb3470b9854a48045afc3197c37eddc9f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "058a5e5e026f5ede113bcd42728fadeb3470b9854a48045afc3197c37eddc9f9", kill_on_drop: false }`
[INFO] [stdout] 058a5e5e026f5ede113bcd42728fadeb3470b9854a48045afc3197c37eddc9f9
