[INFO] cloning repository https://github.com/thedodd/kafka-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/thedodd/kafka-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthedodd%2Fkafka-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthedodd%2Fkafka-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 535c454033a988f2b9782e64576b9014e235f661
[INFO] checking thedodd/kafka-rs against 011c518242557d21690f7936b5812318dc2fec47 for pr-159877
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthedodd%2Fkafka-rs" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-4-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/thedodd/kafka-rs
[INFO] finished tweaking git repo https://github.com/thedodd/kafka-rs
[INFO] tweaked toml for git repo https://github.com/thedodd/kafka-rs written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/thedodd/kafka-rs on toolchain 011c518242557d21690f7936b5812318dc2fec47
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+011c518242557d21690f7936b5812318dc2fec47" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/thedodd/kafka-rs 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" "+011c518242557d21690f7936b5812318dc2fec47" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:1fa6594d87c8fa7b311925a7a77a16f539833322d9dfba4ce891f211db2f90b1" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 2a75d00ae0876cf4a6b7242b49322aefd4222e5bd7ee1862ec4dca281837cd26
[INFO] running `Command { std: "docker" "start" "2a75d00ae0876cf4a6b7242b49322aefd4222e5bd7ee1862ec4dca281837cd26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2a75d00ae0876cf4a6b7242b49322aefd4222e5bd7ee1862ec4dca281837cd26", 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" "2a75d00ae0876cf4a6b7242b49322aefd4222e5bd7ee1862ec4dca281837cd26" "/opt/rustwide/cargo-home/bin/cargo" "+011c518242557d21690f7936b5812318dc2fec47" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2a75d00ae0876cf4a6b7242b49322aefd4222e5bd7ee1862ec4dca281837cd26", 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" "2a75d00ae0876cf4a6b7242b49322aefd4222e5bd7ee1862ec4dca281837cd26" "/opt/rustwide/cargo-home/bin/cargo" "+011c518242557d21690f7936b5812318dc2fec47" "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] 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.59s
[INFO] running `Command { std: "docker" "inspect" "2a75d00ae0876cf4a6b7242b49322aefd4222e5bd7ee1862ec4dca281837cd26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a75d00ae0876cf4a6b7242b49322aefd4222e5bd7ee1862ec4dca281837cd26", kill_on_drop: false }`
[INFO] [stdout] 2a75d00ae0876cf4a6b7242b49322aefd4222e5bd7ee1862ec4dca281837cd26
