[INFO] fetching crate tcp_hello_server_plus 0.1.1...
[INFO] testing tcp_hello_server_plus-0.1.1 against 1.99.0-beta.8 for beta-1.100-2
[INFO] extracting crate tcp_hello_server_plus 0.1.1 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate tcp_hello_server_plus 0.1.1
[INFO] finished tweaking crates.io crate tcp_hello_server_plus 0.1.1
[INFO] tweaked toml for crates.io crate tcp_hello_server_plus 0.1.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tcp_hello_server_plus 0.1.1 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate tcp_hello_server_plus 0.1.1 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" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 5f1ed6e016cd9baa6847e9217b923fa692ead5c90eb5f75a6f26cad3c7b69cfa
[INFO] running `Command { std: "docker" "start" "5f1ed6e016cd9baa6847e9217b923fa692ead5c90eb5f75a6f26cad3c7b69cfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5f1ed6e016cd9baa6847e9217b923fa692ead5c90eb5f75a6f26cad3c7b69cfa", 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" "5f1ed6e016cd9baa6847e9217b923fa692ead5c90eb5f75a6f26cad3c7b69cfa" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5f1ed6e016cd9baa6847e9217b923fa692ead5c90eb5f75a6f26cad3c7b69cfa", 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" "5f1ed6e016cd9baa6847e9217b923fa692ead5c90eb5f75a6f26cad3c7b69cfa" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v1.0.46
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.20
[INFO] [stderr]    Compiling crossbeam-deque v0.8.7
[INFO] [stderr]    Compiling colorchoice v1.0.5
[INFO] [stderr]    Compiling anstyle v1.0.14
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling mio v1.2.2
[INFO] [stderr]    Compiling socket2 v0.6.5
[INFO] [stderr]    Compiling anyhow v1.0.103
[INFO] [stderr]    Compiling either v1.17.0
[INFO] [stderr]    Compiling anstream v1.0.0
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling clap_builder v4.6.0
[INFO] [stderr]    Compiling syn v2.0.118
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]    Compiling rayon v1.12.0
[INFO] [stderr]    Compiling tokio-macros v2.7.1
[INFO] [stderr]    Compiling clap_derive v4.6.1
[INFO] [stderr]    Compiling tokio v1.53.1
[INFO] [stderr]    Compiling clap v4.6.1
[INFO] [stderr]    Compiling tcp_hello_server_plus v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.89s
[INFO] running `Command { std: "docker" "inspect" "5f1ed6e016cd9baa6847e9217b923fa692ead5c90eb5f75a6f26cad3c7b69cfa", 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" "5f1ed6e016cd9baa6847e9217b923fa692ead5c90eb5f75a6f26cad3c7b69cfa" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v2.13.0
[INFO] [stderr]    Compiling fastrand v2.4.1
[INFO] [stderr]    Compiling getrandom v0.4.3
[INFO] [stderr]    Compiling once_cell v1.21.4
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]    Compiling tempfile v3.27.0
[INFO] [stderr]    Compiling tcp_hello_server_plus v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `handle`
[INFO] [stdout]   --> src/lib.rs:73:13
[INFO] [stdout]    |
[INFO] [stdout] 73 |         let handle = thread::spawn(move || {
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_handle`
[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 3.36s
[INFO] running `Command { std: "docker" "inspect" "5f1ed6e016cd9baa6847e9217b923fa692ead5c90eb5f75a6f26cad3c7b69cfa", 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" "5f1ed6e016cd9baa6847e9217b923fa692ead5c90eb5f75a6f26cad3c7b69cfa" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `handle`
[INFO] [stderr]   --> src/lib.rs:73:13
[INFO] [stderr]    |
[INFO] [stderr] 73 |         let handle = thread::spawn(move || {
[INFO] [stderr]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_handle`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `tcp_hello_server_plus` (lib test) generated 1 warning (run `cargo fix --lib -p tcp_hello_server_plus --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tcp_hello_server_plus-c1d40b7466d92e44)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/tcp_hello_server_plus-00165b31cc7d8722)
[INFO] [stdout] test tests::test_server_response ... ok
[INFO] [stderr]    Doc-tests tcp_hello_server_plus
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[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] [stdout] 
[INFO] [stdout] running 0 tests
[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" "5f1ed6e016cd9baa6847e9217b923fa692ead5c90eb5f75a6f26cad3c7b69cfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f1ed6e016cd9baa6847e9217b923fa692ead5c90eb5f75a6f26cad3c7b69cfa", kill_on_drop: false }`
[INFO] [stdout] 5f1ed6e016cd9baa6847e9217b923fa692ead5c90eb5f75a6f26cad3c7b69cfa
