[INFO] cloning repository https://github.com/Badjokke/kafka-codecrafters
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Badjokke/kafka-codecrafters" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBadjokke%2Fkafka-codecrafters", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBadjokke%2Fkafka-codecrafters'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ffda9177e973dd04bfc1894c146f01bd93f55a0e
[INFO] checking Badjokke/kafka-codecrafters against try#44f3504e96c944ae54fc72b5f5008f53f7eda001 for pr-136776
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBadjokke%2Fkafka-codecrafters" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Badjokke/kafka-codecrafters on toolchain 44f3504e96c944ae54fc72b5f5008f53f7eda001
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44f3504e96c944ae54fc72b5f5008f53f7eda001" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Badjokke/kafka-codecrafters
[INFO] finished tweaking git repo https://github.com/Badjokke/kafka-codecrafters
[INFO] tweaked toml for git repo https://github.com/Badjokke/kafka-codecrafters written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Badjokke/kafka-codecrafters 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" "+44f3504e96c944ae54fc72b5f5008f53f7eda001" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+44f3504e96c944ae54fc72b5f5008f53f7eda001" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e13add3068246a352cd89f159a8d370e6877474f38db6c7cc6b76743fb3b5f50
[INFO] running `Command { std: "docker" "start" "-a" "e13add3068246a352cd89f159a8d370e6877474f38db6c7cc6b76743fb3b5f50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e13add3068246a352cd89f159a8d370e6877474f38db6c7cc6b76743fb3b5f50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e13add3068246a352cd89f159a8d370e6877474f38db6c7cc6b76743fb3b5f50", kill_on_drop: false }`
[INFO] [stdout] e13add3068246a352cd89f159a8d370e6877474f38db6c7cc6b76743fb3b5f50
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+44f3504e96c944ae54fc72b5f5008f53f7eda001" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9544cf76eb343c67518fe1da4061ca8ff810f33fb81dac6516e02b1d24515b6a
[INFO] running `Command { std: "docker" "start" "-a" "9544cf76eb343c67518fe1da4061ca8ff810f33fb81dac6516e02b1d24515b6a", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.86
[INFO] [stderr]    Compiling thiserror v1.0.63
[INFO] [stderr]     Checking uuid v1.12.0
[INFO] [stderr]    Compiling syn v2.0.75
[INFO] [stderr]    Compiling thiserror-impl v1.0.63
[INFO] [stderr]     Checking codecrafters-kafka v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/util/kafka_request_util.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |     for i in 0..topic_count{
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `offset` is never read
[INFO] [stdout]   --> src/util/kafka_request_util.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 54 |     offset += 4;
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `client_id`
[INFO] [stdout]   --> src/client/tcp_client.rs:48:48
[INFO] [stdout]    |
[INFO] [stdout] 48 |     let (api_key, api_version, correlation_id, client_id, header_offset)= kafka_header_util::parse_header(&buf);
[INFO] [stdout]    |                                                ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_client_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `u8_to_string` is never used
[INFO] [stdout]    --> src/util/byte_util.rs:100:4
[INFO] [stdout]     |
[INFO] [stdout] 100 | fn u8_to_string(vec_in:Vec<u8>) -> String{
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `tag_buffer` is never read
[INFO] [stdout]   --> src/util/kafka_request_util.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Cursor{
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 15 |     tag_buffer: Vec<u8>
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `size` and `pool` are never read
[INFO] [stdout]  --> src/threads/thread_pool.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct ThreadPool{
[INFO] [stdout]   |            ---------- fields in this struct
[INFO] [stdout] 5 |     size: usize,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 6 |     pool: Vec<Worker>,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id` and `thread` are never read
[INFO] [stdout]   --> src/threads/thread_pool.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct Worker{
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] 11 |     id: usize,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 12 |     thread: JoinHandle<()>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/util/kafka_request_util.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |     for i in 0..topic_count{
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `offset` is never read
[INFO] [stdout]   --> src/util/kafka_request_util.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 54 |     offset += 4;
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `client_id`
[INFO] [stdout]   --> src/client/tcp_client.rs:48:48
[INFO] [stdout]    |
[INFO] [stdout] 48 |     let (api_key, api_version, correlation_id, client_id, header_offset)= kafka_header_util::parse_header(&buf);
[INFO] [stdout]    |                                                ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_client_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `u8_to_string` is never used
[INFO] [stdout]    --> src/util/byte_util.rs:100:4
[INFO] [stdout]     |
[INFO] [stdout] 100 | fn u8_to_string(vec_in:Vec<u8>) -> String{
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `tag_buffer` is never read
[INFO] [stdout]   --> src/util/kafka_request_util.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Cursor{
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 15 |     tag_buffer: Vec<u8>
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `size` and `pool` are never read
[INFO] [stdout]  --> src/threads/thread_pool.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct ThreadPool{
[INFO] [stdout]   |            ---------- fields in this struct
[INFO] [stdout] 5 |     size: usize,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 6 |     pool: Vec<Worker>,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id` and `thread` are never read
[INFO] [stdout]   --> src/threads/thread_pool.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct Worker{
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] 11 |     id: usize,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 12 |     thread: JoinHandle<()>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.85s
[INFO] running `Command { std: "docker" "inspect" "9544cf76eb343c67518fe1da4061ca8ff810f33fb81dac6516e02b1d24515b6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9544cf76eb343c67518fe1da4061ca8ff810f33fb81dac6516e02b1d24515b6a", kill_on_drop: false }`
[INFO] [stdout] 9544cf76eb343c67518fe1da4061ca8ff810f33fb81dac6516e02b1d24515b6a
