[INFO] fetching crate tiny_kafka 1.0.6...
[INFO] building tiny_kafka-1.0.6 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate tiny_kafka 1.0.6 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate tiny_kafka 1.0.6
[INFO] finished tweaking crates.io crate tiny_kafka 1.0.6
[INFO] tweaked toml for crates.io crate tiny_kafka 1.0.6 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tiny_kafka 1.0.6 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 96 packages to latest compatible versions
[INFO] [stderr]       Adding mockall v0.12.1 (available: v0.13.1)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.17)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded predicates-core v1.0.9
[INFO] [stderr]   Downloaded tracing-test v0.2.5
[INFO] [stderr]   Downloaded mockall v0.12.1
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[INFO] [stderr]   Downloaded fragile v2.0.1
[INFO] [stderr]   Downloaded tracing-test-macro v0.2.5
[INFO] [stderr]   Downloaded termtree v0.5.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c222e135a5f6601941c81da7754eb73c925bb54be51884df0588a6a6793b7c4c
[INFO] running `Command { std: "docker" "start" "-a" "c222e135a5f6601941c81da7754eb73c925bb54be51884df0588a6a6793b7c4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c222e135a5f6601941c81da7754eb73c925bb54be51884df0588a6a6793b7c4c", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f2eb0fde1ba9deff3e4b802cd77cac78beb3b52a3a9b55f87738d2e95fe7a864
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[INFO] [stderr]    Compiling zerocopy v0.8.27
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling regex-syntax v0.8.6
[INFO] [stderr]    Compiling instant v0.1.13
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling regex-automata v0.4.11
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]    Compiling regex v1.11.3
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling backoff v0.4.0
[INFO] [stderr]    Compiling tiny_kafka v1.0.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `warn`
[INFO] [stdout]   --> src/consumer.rs:89:28
[INFO] [stdout]    |
[INFO] [stdout] 89 | use tracing::{error, info, warn};
[INFO] [stdout]    |                            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `JOIN_GROUP_API_KEY` is never used
[INFO] [stdout]   --> src/consumer.rs:91:7
[INFO] [stdout]    |
[INFO] [stdout] 91 | const JOIN_GROUP_API_KEY: i16 = 11;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `group_id` is never read
[INFO] [stdout]    --> src/consumer.rs:161:5
[INFO] [stdout]     |
[INFO] [stdout] 159 | pub struct KafkaConsumer {
[INFO] [stdout]     |            ------------- field in this struct
[INFO] [stdout] 160 |     broker_address: String,
[INFO] [stdout] 161 |     group_id: String,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `join_group`, `create_join_group_request`, and `handle_join_response` are never used
[INFO] [stdout]    --> src/consumer.rs:277:14
[INFO] [stdout]     |
[INFO] [stdout] 168 | impl KafkaConsumer {
[INFO] [stdout]     | ------------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 277 |     async fn join_group(&mut self) -> io::Result<()> {
[INFO] [stdout]     |              ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 335 |     fn create_join_group_request(&self) -> BytesMut {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 394 |     async fn handle_join_response(&mut self) -> io::Result<()> {
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 37.76s
[INFO] running `Command { std: "docker" "inspect" "f2eb0fde1ba9deff3e4b802cd77cac78beb3b52a3a9b55f87738d2e95fe7a864", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2eb0fde1ba9deff3e4b802cd77cac78beb3b52a3a9b55f87738d2e95fe7a864", kill_on_drop: false }`
[INFO] [stdout] f2eb0fde1ba9deff3e4b802cd77cac78beb3b52a3a9b55f87738d2e95fe7a864
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3846bf6e018a5ba2241ae1634fee0eb74809cced038dcd094cf24614db3b97d6
[INFO] running `Command { std: "docker" "start" "-a" "3846bf6e018a5ba2241ae1634fee0eb74809cced038dcd094cf24614db3b97d6", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex-automata v0.4.11
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling predicates-core v1.0.9
[INFO] [stderr]    Compiling async-stream-impl v0.3.6
[INFO] [stderr]    Compiling nu-ansi-term v0.50.1
[INFO] [stderr]    Compiling anstyle v1.0.13
[INFO] [stderr]    Compiling termtree v0.5.1
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling backoff v0.4.0
[INFO] [stderr]    Compiling predicates-tree v1.0.12
[INFO] [stderr]    Compiling tokio-stream v0.1.17
[INFO] [stderr]    Compiling predicates v3.1.3
[INFO] [stderr]    Compiling mockall_derive v0.12.1
[INFO] [stderr]    Compiling tracing-test-macro v0.2.5
[INFO] [stderr]    Compiling fragile v2.0.1
[INFO] [stderr]    Compiling downcast v0.11.0
[INFO] [stderr]    Compiling assert_matches v1.5.0
[INFO] [stderr]    Compiling async-stream v0.3.6
[INFO] [stderr]    Compiling tokio-test v0.4.4
[INFO] [stderr]    Compiling mockall v0.12.1
[INFO] [stderr]    Compiling matchers v0.2.0
[INFO] [stderr]    Compiling regex v1.11.3
[INFO] [stderr]    Compiling tracing-subscriber v0.3.20
[INFO] [stderr]    Compiling tiny_kafka v1.0.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `warn`
[INFO] [stdout]   --> src/consumer.rs:89:28
[INFO] [stdout]    |
[INFO] [stdout] 89 | use tracing::{error, info, warn};
[INFO] [stdout]    |                            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `JOIN_GROUP_API_KEY` is never used
[INFO] [stdout]   --> src/consumer.rs:91:7
[INFO] [stdout]    |
[INFO] [stdout] 91 | const JOIN_GROUP_API_KEY: i16 = 11;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `group_id` is never read
[INFO] [stdout]    --> src/consumer.rs:161:5
[INFO] [stdout]     |
[INFO] [stdout] 159 | pub struct KafkaConsumer {
[INFO] [stdout]     |            ------------- field in this struct
[INFO] [stdout] 160 |     broker_address: String,
[INFO] [stdout] 161 |     group_id: String,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `join_group`, `create_join_group_request`, and `handle_join_response` are never used
[INFO] [stdout]    --> src/consumer.rs:277:14
[INFO] [stdout]     |
[INFO] [stdout] 168 | impl KafkaConsumer {
[INFO] [stdout]     | ------------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 277 |     async fn join_group(&mut self) -> io::Result<()> {
[INFO] [stdout]     |              ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 335 |     fn create_join_group_request(&self) -> BytesMut {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 394 |     async fn handle_join_response(&mut self) -> io::Result<()> {
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tracing-test v0.2.5
[INFO] [stdout] warning: constant `JOIN_GROUP_API_KEY` is never used
[INFO] [stdout]   --> src/consumer.rs:91:7
[INFO] [stdout]    |
[INFO] [stdout] 91 | const JOIN_GROUP_API_KEY: i16 = 11;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `join_group`, `create_join_group_request`, and `handle_join_response` are never used
[INFO] [stdout]    --> src/consumer.rs:277:14
[INFO] [stdout]     |
[INFO] [stdout] 168 | impl KafkaConsumer {
[INFO] [stdout]     | ------------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 277 |     async fn join_group(&mut self) -> io::Result<()> {
[INFO] [stdout]     |              ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 335 |     fn create_join_group_request(&self) -> BytesMut {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 394 |     async fn handle_join_response(&mut self) -> io::Result<()> {
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 21.34s
[INFO] running `Command { std: "docker" "inspect" "3846bf6e018a5ba2241ae1634fee0eb74809cced038dcd094cf24614db3b97d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3846bf6e018a5ba2241ae1634fee0eb74809cced038dcd094cf24614db3b97d6", kill_on_drop: false }`
[INFO] [stdout] 3846bf6e018a5ba2241ae1634fee0eb74809cced038dcd094cf24614db3b97d6