[INFO] cloning repository https://github.com/lethuzulu/kafka-broker-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lethuzulu/kafka-broker-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flethuzulu%2Fkafka-broker-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flethuzulu%2Fkafka-broker-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f876b17baa177b59511ac8bb7ff8859a6363e6f1
[INFO] checking lethuzulu/kafka-broker-rust against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flethuzulu%2Fkafka-broker-rust" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/lethuzulu/kafka-broker-rust
[INFO] finished tweaking git repo https://github.com/lethuzulu/kafka-broker-rust
[INFO] tweaked toml for git repo https://github.com/lethuzulu/kafka-broker-rust written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/lethuzulu/kafka-broker-rust on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/lethuzulu/kafka-broker-rust 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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 80c913cf1003a361fd54aaba58e804bf0e5100a29d0f59851c40eca3486ae63a
[INFO] running `Command { std: "docker" "start" "-a" "80c913cf1003a361fd54aaba58e804bf0e5100a29d0f59851c40eca3486ae63a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "80c913cf1003a361fd54aaba58e804bf0e5100a29d0f59851c40eca3486ae63a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80c913cf1003a361fd54aaba58e804bf0e5100a29d0f59851c40eca3486ae63a", kill_on_drop: false }`
[INFO] [stdout] 80c913cf1003a361fd54aaba58e804bf0e5100a29d0f59851c40eca3486ae63a
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 17207fc93eb7b74142272493d39a04f1998a1982ede5b5fcb0dfbae73496eab4
[INFO] running `Command { std: "docker" "start" "-a" "17207fc93eb7b74142272493d39a04f1998a1982ede5b5fcb0dfbae73496eab4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking uuid v1.11.0
[INFO] [stderr]     Checking kafka-broker-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `throttle_time_ms`
[INFO] [stdout]    --> src/main.rs:254:9
[INFO] [stdout]     |
[INFO] [stdout] 254 |     let throttle_time_ms = 0;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_throttle_time_ms`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `message_size` is never read
[INFO] [stdout]    --> src/main.rs:119:5
[INFO] [stdout]     |
[INFO] [stdout] 118 | struct Request {
[INFO] [stdout]     |        ------- field in this struct
[INFO] [stdout] 119 |     message_size: i32,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Request` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `request_api_key` and `client_id` are never read
[INFO] [stdout]    --> src/main.rs:125:5
[INFO] [stdout]     |
[INFO] [stdout] 124 | struct RequestHeader {
[INFO] [stdout]     |        ------------- fields in this struct
[INFO] [stdout] 125 |     request_api_key: i16,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 128 |     client_id: Option<String>,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `RequestHeader` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `throttle_time_ms`
[INFO] [stdout]    --> src/main.rs:254:9
[INFO] [stdout]     |
[INFO] [stdout] 254 |     let throttle_time_ms = 0;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_throttle_time_ms`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `message_size` is never read
[INFO] [stdout]    --> src/main.rs:119:5
[INFO] [stdout]     |
[INFO] [stdout] 118 | struct Request {
[INFO] [stdout]     |        ------- field in this struct
[INFO] [stdout] 119 |     message_size: i32,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Request` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `request_api_key` and `client_id` are never read
[INFO] [stdout]    --> src/main.rs:125:5
[INFO] [stdout]     |
[INFO] [stdout] 124 | struct RequestHeader {
[INFO] [stdout]     |        ------------- fields in this struct
[INFO] [stdout] 125 |     request_api_key: i16,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 128 |     client_id: Option<String>,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `RequestHeader` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.77s
[INFO] running `Command { std: "docker" "inspect" "17207fc93eb7b74142272493d39a04f1998a1982ede5b5fcb0dfbae73496eab4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17207fc93eb7b74142272493d39a04f1998a1982ede5b5fcb0dfbae73496eab4", kill_on_drop: false }`
[INFO] [stdout] 17207fc93eb7b74142272493d39a04f1998a1982ede5b5fcb0dfbae73496eab4