[INFO] cloning repository https://github.com/aakarshan-raj/chat_server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aakarshan-raj/chat_server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faakarshan-raj%2Fchat_server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faakarshan-raj%2Fchat_server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cdb6392551eb8dd40fd3a1f284f79d396aab2773
[INFO] testing aakarshan-raj/chat_server against master#ec6f9a5b4413f74386267ef8efc93712c2ce6db6 for pr-155739-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faakarshan-raj%2Fchat_server" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/aakarshan-raj/chat_server
[INFO] finished tweaking git repo https://github.com/aakarshan-raj/chat_server
[INFO] tweaked toml for git repo https://github.com/aakarshan-raj/chat_server written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/aakarshan-raj/chat_server on toolchain ec6f9a5b4413f74386267ef8efc93712c2ce6db6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/aakarshan-raj/chat_server 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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded windows-targets v0.48.1
[INFO] [stderr]   Downloaded unicode-ident v1.0.11
[INFO] [stderr]   Downloaded hermit-abi v0.3.2
[INFO] [stderr]   Downloaded quote v1.0.32
[INFO] [stderr]   Downloaded pin-project-lite v0.2.10
[INFO] [stderr]   Downloaded proc-macro2 v1.0.66
[INFO] [stderr]   Downloaded smallvec v1.11.0
[INFO] [stderr]   Downloaded backtrace v0.3.68
[INFO] [stderr]   Downloaded cc v1.0.79
[INFO] [stderr]   Downloaded addr2line v0.20.0
[INFO] [stderr]   Downloaded mio v0.8.8
[INFO] [stderr]   Downloaded syn v2.0.28
[INFO] [stderr]   Downloaded object v0.31.1
[INFO] [stderr]   Downloaded gimli v0.27.3
[INFO] [stderr]   Downloaded tokio v1.29.1
[INFO] [stderr]   Downloaded libc v0.2.147
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6e2290bb2081e3c957f564de2f2fb8f5f40690d0cc37479ba95edb591ba33d48
[INFO] running `Command { std: "docker" "start" "-a" "6e2290bb2081e3c957f564de2f2fb8f5f40690d0cc37479ba95edb591ba33d48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e2290bb2081e3c957f564de2f2fb8f5f40690d0cc37479ba95edb591ba33d48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e2290bb2081e3c957f564de2f2fb8f5f40690d0cc37479ba95edb591ba33d48", kill_on_drop: false }`
[INFO] [stdout] 6e2290bb2081e3c957f564de2f2fb8f5f40690d0cc37479ba95edb591ba33d48
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c0fa434696ed1d69c50d2a61f5bc29fd38d2fa802912a80f3f05e4da597fa3be
[INFO] running `Command { std: "docker" "start" "-a" "c0fa434696ed1d69c50d2a61f5bc29fd38d2fa802912a80f3f05e4da597fa3be", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]    Compiling smallvec v1.11.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.10
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]    Compiling tokio v1.29.1
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling socket2 v0.4.9
[INFO] [stderr]    Compiling signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling mio v0.8.8
[INFO] [stderr]    Compiling quote v1.0.32
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling syn v2.0.28
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling chat_server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `rx`
[INFO] [stdout]   --> src/main.rs:10:14
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let (tx, rx) = broadcast::channel(10);
[INFO] [stdout]    |              ^^ help: if this is intentional, prefix it with an underscore: `_rx`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.54s
[INFO] running `Command { std: "docker" "inspect" "c0fa434696ed1d69c50d2a61f5bc29fd38d2fa802912a80f3f05e4da597fa3be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0fa434696ed1d69c50d2a61f5bc29fd38d2fa802912a80f3f05e4da597fa3be", kill_on_drop: false }`
[INFO] [stdout] c0fa434696ed1d69c50d2a61f5bc29fd38d2fa802912a80f3f05e4da597fa3be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6334bf2f1357a9f5148f0e753b9aa129249e7cc3dd11abdf5385384dbf701c21
[INFO] running `Command { std: "docker" "start" "-a" "6334bf2f1357a9f5148f0e753b9aa129249e7cc3dd11abdf5385384dbf701c21", kill_on_drop: false }`
[INFO] [stderr]    Compiling chat_server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `rx`
[INFO] [stdout]   --> src/main.rs:10:14
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let (tx, rx) = broadcast::channel(10);
[INFO] [stdout]    |              ^^ help: if this is intentional, prefix it with an underscore: `_rx`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "6334bf2f1357a9f5148f0e753b9aa129249e7cc3dd11abdf5385384dbf701c21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6334bf2f1357a9f5148f0e753b9aa129249e7cc3dd11abdf5385384dbf701c21", kill_on_drop: false }`
[INFO] [stdout] 6334bf2f1357a9f5148f0e753b9aa129249e7cc3dd11abdf5385384dbf701c21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] abd8d55ac42d428a07890c26c11c5fed80cce5271562fc001d24aa42aa1f12f8
[INFO] running `Command { std: "docker" "start" "-a" "abd8d55ac42d428a07890c26c11c5fed80cce5271562fc001d24aa42aa1f12f8", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `rx`
[INFO] [stderr]   --> src/main.rs:10:14
[INFO] [stderr]    |
[INFO] [stderr] 10 |     let (tx, rx) = broadcast::channel(10);
[INFO] [stdout] 
[INFO] [stderr]    |              ^^ help: if this is intentional, prefix it with an underscore: `_rx`
[INFO] [stdout] running 0 tests
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `chat_server` (bin "chat_server" test) generated 1 warning (run `cargo fix --bin "chat_server" -p chat_server --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/chat_server-af540b0e48dca052)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "abd8d55ac42d428a07890c26c11c5fed80cce5271562fc001d24aa42aa1f12f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abd8d55ac42d428a07890c26c11c5fed80cce5271562fc001d24aa42aa1f12f8", kill_on_drop: false }`
[INFO] [stdout] abd8d55ac42d428a07890c26c11c5fed80cce5271562fc001d24aa42aa1f12f8