[INFO] fetching crate rafka-core 0.1.0...
[INFO] checking rafka-core-0.1.0 against master#a33907a7a5381473eec8bcfa0c56e05a856a911c for pr-151539
[INFO] extracting crate rafka-core 0.1.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate rafka-core 0.1.0
[INFO] finished tweaking crates.io crate rafka-core 0.1.0
[INFO] tweaked toml for crates.io crate rafka-core 0.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rafka-core 0.1.0 on toolchain a33907a7a5381473eec8bcfa0c56e05a856a911c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a33907a7a5381473eec8bcfa0c56e05a856a911c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rafka-core 0.1.0 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" "+a33907a7a5381473eec8bcfa0c56e05a856a911c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+a33907a7a5381473eec8bcfa0c56e05a856a911c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 36154632b602ad6104890c7a2b10505baaa0b882e797dd63a7d097796d308886
[INFO] running `Command { std: "docker" "start" "-a" "36154632b602ad6104890c7a2b10505baaa0b882e797dd63a7d097796d308886", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "36154632b602ad6104890c7a2b10505baaa0b882e797dd63a7d097796d308886", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36154632b602ad6104890c7a2b10505baaa0b882e797dd63a7d097796d308886", kill_on_drop: false }`
[INFO] [stdout] 36154632b602ad6104890c7a2b10505baaa0b882e797dd63a7d097796d308886
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+a33907a7a5381473eec8bcfa0c56e05a856a911c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dccf1b9fe278320e395a7aadfc7fa86ddef1d8822448947351af1825dca54c65
[INFO] running `Command { std: "docker" "start" "-a" "dccf1b9fe278320e395a7aadfc7fa86ddef1d8822448947351af1825dca54c65", kill_on_drop: false }`
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[INFO] [stderr]    Compiling rafka-core v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking chrono v0.4.39
[INFO] [stderr]     Checking uuid v1.11.0
[INFO] [stderr]     Checking futures-executor v0.3.31
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[INFO] [stdout] warning: unused variable: `pool`
[INFO] [stdout]   --> src/memory_pool.rs:80:17
[INFO] [stdout]    |
[INFO] [stdout] 80 |             let pool = self.pool.clone();
[INFO] [stdout]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_pool`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pool`
[INFO] [stdout]   --> src/memory_pool.rs:80:17
[INFO] [stdout]    |
[INFO] [stdout] 80 |             let pool = self.pool.clone();
[INFO] [stdout]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_pool`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `input_buffer` is never read
[INFO] [stdout]   --> src/zero_copy.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub struct ZeroCopyProcessor {
[INFO] [stdout]    |            ----------------- field in this struct
[INFO] [stdout] 52 |     input_buffer: ZeroCopyBuffer,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `return_message` is never used
[INFO] [stdout]   --> src/memory_pool.rs:37:14
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl<T: Default + Send + Sync + 'static> MessagePool<T> {
[INFO] [stdout]    | ------------------------------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 37 |     async fn return_message(&self, mut message: T) {
[INFO] [stdout]    |              ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `input_buffer` is never read
[INFO] [stdout]   --> src/zero_copy.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub struct ZeroCopyProcessor {
[INFO] [stdout]    |            ----------------- field in this struct
[INFO] [stdout] 52 |     input_buffer: ZeroCopyBuffer,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `return_message` is never used
[INFO] [stdout]   --> src/memory_pool.rs:37:14
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl<T: Default + Send + Sync + 'static> MessagePool<T> {
[INFO] [stdout]    | ------------------------------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 37 |     async fn return_message(&self, mut message: T) {
[INFO] [stdout]    |              ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 52.44s
[INFO] running `Command { std: "docker" "inspect" "dccf1b9fe278320e395a7aadfc7fa86ddef1d8822448947351af1825dca54c65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dccf1b9fe278320e395a7aadfc7fa86ddef1d8822448947351af1825dca54c65", kill_on_drop: false }`
[INFO] [stdout] dccf1b9fe278320e395a7aadfc7fa86ddef1d8822448947351af1825dca54c65