[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 try#0edd13c68435d50367c79cef43ac2768d2ec4f3d for pr-129422
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDhafinFK%2Ftutorial10-broadcastChat" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DhafinFK/tutorial10-broadcastChat on toolchain 0edd13c68435d50367c79cef43ac2768d2ec4f3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0edd13c68435d50367c79cef43ac2768d2ec4f3d" "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-3-tc2/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" "+0edd13c68435d50367c79cef43ac2768d2ec4f3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+0edd13c68435d50367c79cef43ac2768d2ec4f3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cfadb12c11c1bedea93bbf93fc181ff03dfa0449b824c3f0cc3a987946a447ca
[INFO] running `Command { std: "docker" "start" "-a" "cfadb12c11c1bedea93bbf93fc181ff03dfa0449b824c3f0cc3a987946a447ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cfadb12c11c1bedea93bbf93fc181ff03dfa0449b824c3f0cc3a987946a447ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfadb12c11c1bedea93bbf93fc181ff03dfa0449b824c3f0cc3a987946a447ca", kill_on_drop: false }`
[INFO] [stdout] cfadb12c11c1bedea93bbf93fc181ff03dfa0449b824c3f0cc3a987946a447ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+0edd13c68435d50367c79cef43ac2768d2ec4f3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 526d62e4501bf5674cdcf2a1be61d3166ea15b3b7ba37107c0e994e1d15341e5
[INFO] running `Command { std: "docker" "start" "-a" "526d62e4501bf5674cdcf2a1be61d3166ea15b3b7ba37107c0e994e1d15341e5", kill_on_drop: false }`
[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: 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: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "526d62e4501bf5674cdcf2a1be61d3166ea15b3b7ba37107c0e994e1d15341e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "526d62e4501bf5674cdcf2a1be61d3166ea15b3b7ba37107c0e994e1d15341e5", kill_on_drop: false }`
[INFO] [stdout] 526d62e4501bf5674cdcf2a1be61d3166ea15b3b7ba37107c0e994e1d15341e5