[INFO] fetching crate kafka-rs 0.5.0...
[INFO] checking kafka-rs-0.5.0 against a5689b034ad287112f709693384a37f1377eb9cc for pr-129249-3
[INFO] extracting crate kafka-rs 0.5.0 into /workspace/builds/worker-2-tc2/source
[INFO] removed /workspace/builds/worker-2-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate kafka-rs 0.5.0
[INFO] finished tweaking crates.io crate kafka-rs 0.5.0
[INFO] tweaked toml for crates.io crate kafka-rs 0.5.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate kafka-rs 0.5.0 on toolchain a5689b034ad287112f709693384a37f1377eb9cc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate kafka-rs 0.5.0 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" "+a5689b034ad287112f709693384a37f1377eb9cc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 2df114b98b5803646c6d484c4be439791507b610c08fec50efc74917f1b5910c
[INFO] running `Command { std: "docker" "start" "2df114b98b5803646c6d484c4be439791507b610c08fec50efc74917f1b5910c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2df114b98b5803646c6d484c4be439791507b610c08fec50efc74917f1b5910c", 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" "2df114b98b5803646c6d484c4be439791507b610c08fec50efc74917f1b5910c" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2df114b98b5803646c6d484c4be439791507b610c08fec50efc74917f1b5910c", 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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "2df114b98b5803646c6d484c4be439791507b610c08fec50efc74917f1b5910c" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stdout] warning: field `tx` is never read
[INFO] [stdout]   --> src/client.rs:54:16
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub struct Client {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 53 |     /// The channel used for communicating with the client task.
[INFO] [stdout] 54 |     pub(crate) tx: mpsc::Sender<Msg>,
[INFO] [stdout]    |                ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Client` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `metadata` is never read
[INFO] [stdout]   --> src/clitask.rs:57:16
[INFO] [stdout]    |
[INFO] [stdout] 53 | pub(crate) struct PartitionMetadata {
[INFO] [stdout]    |                   ----------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 57 |     pub(crate) metadata: MetadataResponsePartition,
[INFO] [stdout]    |                ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PartitionMetadata` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `interval` is never read
[INFO] [stdout]    --> src/clitask.rs:277:9
[INFO] [stdout]     |
[INFO] [stdout] 271 |     Automatic {
[INFO] [stdout]     |     --------- field in this variant
[INFO] [stdout] ...
[INFO] [stdout] 277 |         interval: Duration,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `ResponseChannel`
[INFO] [stdout]    --> src/broker.rs:256:19
[INFO] [stdout]     |
[INFO] [stdout] 256 |             chan: chan.map(Into::into),
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]     = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]     |
[INFO] [stdout] 256 -             chan: chan.map(Into::into),
[INFO] [stdout] 256 +             chan: chan,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `kafka-rs` (lib test) due to 1 previous error; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: field `tx` is never read
[INFO] [stdout]   --> src/client.rs:54:16
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub struct Client {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 53 |     /// The channel used for communicating with the client task.
[INFO] [stdout] 54 |     pub(crate) tx: mpsc::Sender<Msg>,
[INFO] [stdout]    |                ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Client` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `metadata` is never read
[INFO] [stdout]   --> src/clitask.rs:57:16
[INFO] [stdout]    |
[INFO] [stdout] 53 | pub(crate) struct PartitionMetadata {
[INFO] [stdout]    |                   ----------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 57 |     pub(crate) metadata: MetadataResponsePartition,
[INFO] [stdout]    |                ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PartitionMetadata` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `interval` is never read
[INFO] [stdout]    --> src/clitask.rs:277:9
[INFO] [stdout]     |
[INFO] [stdout] 271 |     Automatic {
[INFO] [stdout]     |     --------- field in this variant
[INFO] [stdout] ...
[INFO] [stdout] 277 |         interval: Duration,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `ResponseChannel`
[INFO] [stdout]    --> src/broker.rs:256:19
[INFO] [stdout]     |
[INFO] [stdout] 256 |             chan: chan.map(Into::into),
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]     = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]     |
[INFO] [stdout] 256 -             chan: chan.map(Into::into),
[INFO] [stdout] 256 +             chan: chan,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `kafka-rs` (lib) due to 1 previous error; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "2df114b98b5803646c6d484c4be439791507b610c08fec50efc74917f1b5910c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2df114b98b5803646c6d484c4be439791507b610c08fec50efc74917f1b5910c", kill_on_drop: false }`
[INFO] [stdout] 2df114b98b5803646c6d484c4be439791507b610c08fec50efc74917f1b5910c
