[INFO] cloning repository https://github.com/palpatel224/kakfa-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/palpatel224/kakfa-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpalpatel224%2Fkakfa-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpalpatel224%2Fkakfa-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7341374b01e90f9cae34ec1740aa0c9400d1da7d
[INFO] testing palpatel224/kakfa-rust against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpalpatel224%2Fkakfa-rust" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/palpatel224/kakfa-rust
[INFO] finished tweaking git repo https://github.com/palpatel224/kakfa-rust
[INFO] tweaked toml for git repo https://github.com/palpatel224/kakfa-rust written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/palpatel224/kakfa-rust on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/palpatel224/kakfa-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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] testing palpatel224/kakfa-rust against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpalpatel224%2Fkakfa-rust" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/palpatel224/kakfa-rust
[INFO] finished tweaking git repo https://github.com/palpatel224/kakfa-rust
[INFO] tweaked toml for git repo https://github.com/palpatel224/kakfa-rust written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/palpatel224/kakfa-rust on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/palpatel224/kakfa-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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syn v2.0.75
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b909537ddd07550c443ac837828e2423c47c7dffb34a4b35ac80ee8ffa104064
[INFO] running `Command { std: "docker" "start" "-a" "b909537ddd07550c443ac837828e2423c47c7dffb34a4b35ac80ee8ffa104064", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b909537ddd07550c443ac837828e2423c47c7dffb34a4b35ac80ee8ffa104064", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b909537ddd07550c443ac837828e2423c47c7dffb34a4b35ac80ee8ffa104064", kill_on_drop: false }`
[INFO] [stdout] b909537ddd07550c443ac837828e2423c47c7dffb34a4b35ac80ee8ffa104064
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3e24839a79c8180d2a281ba9e4693d4a08ce0dde5d44b8d94a51533642f0d9c3
[INFO] running `Command { std: "docker" "start" "-a" "3e24839a79c8180d2a281ba9e4693d4a08ce0dde5d44b8d94a51533642f0d9c3", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling thiserror v1.0.63
[INFO] [stderr]    Compiling bytes v1.7.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.75
[INFO] [stderr]    Compiling thiserror-impl v1.0.63
[INFO] [stderr]    Compiling codecrafters-kafka v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | struct NullableString {
[INFO] [stdout]    |        -------------- field in this struct
[INFO] [stdout] 10 |     value: Option<String>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NullableString` has a derived impl for the trait `Debug`, 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: variable `responseApi` should have a snake case name
[INFO] [stdout]    --> src/main.rs:231:29
[INFO] [stdout]     |
[INFO] [stdout] 231 |                         let responseApi = match request.header.request_api_key {
[INFO] [stdout]     |                             ^^^^^^^^^^^ help: convert the identifier to snake case: `response_api`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_be_bytes` is never used
[INFO] [stdout]   --> src/main.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl NullableString {
[INFO] [stdout]    | ------------------- method in this implementation
[INFO] [stdout] 14 |     fn to_be_bytes(&self) -> Vec<u8> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CompactString` is never constructed
[INFO] [stdout]   --> src/main.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 | struct CompactString {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `to_be_bytes` and `from_be_bytes` are never used
[INFO] [stdout]   --> src/main.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 47 | impl CompactString {
[INFO] [stdout]    | ------------------ associated items in this implementation
[INFO] [stdout] 48 |     fn to_be_bytes(&self) -> Vec<u8> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 55 |     fn from_be_bytes<R: std::io::Read>(reader: &mut R) -> Result<Self, Error> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `request_api_version`, `client_id`, and `tag` are never read
[INFO] [stdout]   --> src/main.rs:72:5
[INFO] [stdout]    |
[INFO] [stdout] 70 | struct RequestHeaderV2 {
[INFO] [stdout]    |        --------------- fields in this struct
[INFO] [stdout] 71 |     request_api_key: i16,
[INFO] [stdout] 72 |     request_api_version: i16,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 73 |     correlation_id: i32,
[INFO] [stdout] 74 |     client_id: NullableString,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 75 |     // TODO: tag buffer should be raimplemented as COMPACT_ARRAY
[INFO] [stdout] 76 |     tag: NullableString,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RequestHeaderV2` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_be_bytes` is never used
[INFO] [stdout]   --> src/main.rs:80:8
[INFO] [stdout]    |
[INFO] [stdout] 79 | impl RequestHeaderV2 {
[INFO] [stdout]    | -------------------- method in this implementation
[INFO] [stdout] 80 |     fn to_be_bytes(&self) -> Vec<u8> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_be_bytes` is never used
[INFO] [stdout]    --> src/main.rs:127:8
[INFO] [stdout]     |
[INFO] [stdout] 126 | impl RequestV0 {
[INFO] [stdout]     | -------------- method in this implementation
[INFO] [stdout] 127 |     fn to_be_bytes(&self) -> Vec<u8> {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ApiVersionsRequestHeaderV4` is never constructed
[INFO] [stdout]    --> src/main.rs:148:8
[INFO] [stdout]     |
[INFO] [stdout] 148 | struct ApiVersionsRequestHeaderV4 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `None` and `UnknownServerError` are never constructed
[INFO] [stdout]    --> src/main.rs:155:5
[INFO] [stdout]     |
[INFO] [stdout] 154 | enum ErrorCode {
[INFO] [stdout]     |      --------- variants in this enum
[INFO] [stdout] 155 |     None = 0,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 156 |     UnknownServerError = -1,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ErrorCode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ResponseApi` is never used
[INFO] [stdout]    --> src/main.rs:191:6
[INFO] [stdout]     |
[INFO] [stdout] 191 | enum ResponseApi {
[INFO] [stdout]     |      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ResponseV0` is never constructed
[INFO] [stdout]    --> src/main.rs:195:8
[INFO] [stdout]     |
[INFO] [stdout] 195 | struct ResponseV0 {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ResponseHeaderV2` is never constructed
[INFO] [stdout]    --> src/main.rs:200:8
[INFO] [stdout]     |
[INFO] [stdout] 200 | struct ResponseHeaderV2 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.51s
[INFO] running `Command { std: "docker" "inspect" "3e24839a79c8180d2a281ba9e4693d4a08ce0dde5d44b8d94a51533642f0d9c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e24839a79c8180d2a281ba9e4693d4a08ce0dde5d44b8d94a51533642f0d9c3", kill_on_drop: false }`
[INFO] [stdout] 3e24839a79c8180d2a281ba9e4693d4a08ce0dde5d44b8d94a51533642f0d9c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6b5a328372862deab8817879a001dc2ee7f9de09ab61a6f24f9b04f6745cebcf
[INFO] running `Command { std: "docker" "start" "-a" "6b5a328372862deab8817879a001dc2ee7f9de09ab61a6f24f9b04f6745cebcf", kill_on_drop: false }`
[INFO] [stderr]    Compiling codecrafters-kafka v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `responseApi` should have a snake case name
[INFO] [stdout]    --> src/main.rs:231:29
[INFO] [stdout]     |
[INFO] [stdout] 231 |                         let responseApi = match request.header.request_api_key {
[INFO] [stdout]     |                             ^^^^^^^^^^^ help: convert the identifier to snake case: `response_api`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | struct NullableString {
[INFO] [stdout]    |        -------------- field in this struct
[INFO] [stdout] 10 |     value: Option<String>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NullableString` has a derived impl for the trait `Debug`, 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: method `to_be_bytes` is never used
[INFO] [stdout]   --> src/main.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl NullableString {
[INFO] [stdout]    | ------------------- method in this implementation
[INFO] [stdout] 14 |     fn to_be_bytes(&self) -> Vec<u8> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CompactString` is never constructed
[INFO] [stdout]   --> src/main.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 | struct CompactString {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `to_be_bytes` and `from_be_bytes` are never used
[INFO] [stdout]   --> src/main.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 47 | impl CompactString {
[INFO] [stdout]    | ------------------ associated items in this implementation
[INFO] [stdout] 48 |     fn to_be_bytes(&self) -> Vec<u8> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 55 |     fn from_be_bytes<R: std::io::Read>(reader: &mut R) -> Result<Self, Error> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `request_api_version`, `client_id`, and `tag` are never read
[INFO] [stdout]   --> src/main.rs:72:5
[INFO] [stdout]    |
[INFO] [stdout] 70 | struct RequestHeaderV2 {
[INFO] [stdout]    |        --------------- fields in this struct
[INFO] [stdout] 71 |     request_api_key: i16,
[INFO] [stdout] 72 |     request_api_version: i16,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 73 |     correlation_id: i32,
[INFO] [stdout] 74 |     client_id: NullableString,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 75 |     // TODO: tag buffer should be raimplemented as COMPACT_ARRAY
[INFO] [stdout] 76 |     tag: NullableString,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RequestHeaderV2` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_be_bytes` is never used
[INFO] [stdout]   --> src/main.rs:80:8
[INFO] [stdout]    |
[INFO] [stdout] 79 | impl RequestHeaderV2 {
[INFO] [stdout]    | -------------------- method in this implementation
[INFO] [stdout] 80 |     fn to_be_bytes(&self) -> Vec<u8> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_be_bytes` is never used
[INFO] [stdout]    --> src/main.rs:127:8
[INFO] [stdout]     |
[INFO] [stdout] 126 | impl RequestV0 {
[INFO] [stdout]     | -------------- method in this implementation
[INFO] [stdout] 127 |     fn to_be_bytes(&self) -> Vec<u8> {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ApiVersionsRequestHeaderV4` is never constructed
[INFO] [stdout]    --> src/main.rs:148:8
[INFO] [stdout]     |
[INFO] [stdout] 148 | struct ApiVersionsRequestHeaderV4 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `None` and `UnknownServerError` are never constructed
[INFO] [stdout]    --> src/main.rs:155:5
[INFO] [stdout]     |
[INFO] [stdout] 154 | enum ErrorCode {
[INFO] [stdout]     |      --------- variants in this enum
[INFO] [stdout] 155 |     None = 0,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 156 |     UnknownServerError = -1,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ErrorCode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ResponseApi` is never used
[INFO] [stdout]    --> src/main.rs:191:6
[INFO] [stdout]     |
[INFO] [stdout] 191 | enum ResponseApi {
[INFO] [stdout]     |      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ResponseV0` is never constructed
[INFO] [stdout]    --> src/main.rs:195:8
[INFO] [stdout]     |
[INFO] [stdout] 195 | struct ResponseV0 {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ResponseHeaderV2` is never constructed
[INFO] [stdout]    --> src/main.rs:200:8
[INFO] [stdout]     |
[INFO] [stdout] 200 | struct ResponseHeaderV2 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "6b5a328372862deab8817879a001dc2ee7f9de09ab61a6f24f9b04f6745cebcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b5a328372862deab8817879a001dc2ee7f9de09ab61a6f24f9b04f6745cebcf", kill_on_drop: false }`
[INFO] [stdout] 6b5a328372862deab8817879a001dc2ee7f9de09ab61a6f24f9b04f6745cebcf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7a537051852774fd4cc1369fc60527293a2735f9106da7552908c24d2a82d472
[INFO] running `Command { std: "docker" "start" "-a" "7a537051852774fd4cc1369fc60527293a2735f9106da7552908c24d2a82d472", kill_on_drop: false }`
[INFO] [stderr] warning: variable `responseApi` should have a snake case name
[INFO] [stderr]    --> src/main.rs:231:29
[INFO] [stderr]     |
[INFO] [stderr] 231 |                         let responseApi = match request.header.request_api_key {
[INFO] [stderr]     |                             ^^^^^^^^^^^ help: convert the identifier to snake case: `response_api`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `value` is never read
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr]  9 | struct NullableString {
[INFO] [stderr]    |        -------------- field in this struct
[INFO] [stderr] 10 |     value: Option<String>,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `NullableString` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `to_be_bytes` is never used
[INFO] [stderr]   --> src/main.rs:14:8
[INFO] [stderr]    |
[INFO] [stderr] 13 | impl NullableString {
[INFO] [stderr]    | ------------------- method in this implementation
[INFO] [stderr] 14 |     fn to_be_bytes(&self) -> Vec<u8> {
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `CompactString` is never constructed
[INFO] [stderr]   --> src/main.rs:43:8
[INFO] [stderr]    |
[INFO] [stderr] 43 | struct CompactString {
[INFO] [stderr]    |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `to_be_bytes` and `from_be_bytes` are never used
[INFO] [stderr]   --> src/main.rs:48:8
[INFO] [stderr]    |
[INFO] [stderr] 47 | impl CompactString {
[INFO] [stderr]    | ------------------ associated items in this implementation
[INFO] [stderr] 48 |     fn to_be_bytes(&self) -> Vec<u8> {
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 55 |     fn from_be_bytes<R: std::io::Read>(reader: &mut R) -> Result<Self, Error> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `request_api_version`, `client_id`, and `tag` are never read
[INFO] [stderr]   --> src/main.rs:72:5
[INFO] [stderr]    |
[INFO] [stderr] 70 | struct RequestHeaderV2 {
[INFO] [stderr]    |        --------------- fields in this struct
[INFO] [stderr] 71 |     request_api_key: i16,
[INFO] [stderr] 72 |     request_api_version: i16,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 73 |     correlation_id: i32,
[INFO] [stderr] 74 |     client_id: NullableString,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 75 |     // TODO: tag buffer should be raimplemented as COMPACT_ARRAY
[INFO] [stderr] 76 |     tag: NullableString,
[INFO] [stderr]    |     ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `RequestHeaderV2` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: method `to_be_bytes` is never used
[INFO] [stderr]   --> src/main.rs:80:8
[INFO] [stderr]    |
[INFO] [stderr] 79 | impl RequestHeaderV2 {
[INFO] [stderr]    | -------------------- method in this implementation
[INFO] [stderr] 80 |     fn to_be_bytes(&self) -> Vec<u8> {
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `to_be_bytes` is never used
[INFO] [stderr]    --> src/main.rs:127:8
[INFO] [stderr]     |
[INFO] [stderr] 126 | impl RequestV0 {
[INFO] [stderr]     | -------------- method in this implementation
[INFO] [stderr] 127 |     fn to_be_bytes(&self) -> Vec<u8> {
[INFO] [stderr]     |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `ApiVersionsRequestHeaderV4` is never constructed
[INFO] [stderr]    --> src/main.rs:148:8
[INFO] [stderr]     |
[INFO] [stderr] 148 | struct ApiVersionsRequestHeaderV4 {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variants `None` and `UnknownServerError` are never constructed
[INFO] [stderr]    --> src/main.rs:155:5
[INFO] [stderr]     |
[INFO] [stderr] 154 | enum ErrorCode {
[INFO] [stderr]     |      --------- variants in this enum
[INFO] [stderr] 155 |     None = 0,
[INFO] [stderr]     |     ^^^^
[INFO] [stderr] 156 |     UnknownServerError = -1,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `ErrorCode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: enum `ResponseApi` is never used
[INFO] [stderr]    --> src/main.rs:191:6
[INFO] [stderr]     |
[INFO] [stderr] 191 | enum ResponseApi {
[INFO] [stderr]     |      ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `ResponseV0` is never constructed
[INFO] [stderr]    --> src/main.rs:195:8
[INFO] [stderr]     |
[INFO] [stderr] 195 | struct ResponseV0 {
[INFO] [stderr]     |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `ResponseHeaderV2` is never constructed
[INFO] [stderr]    --> src/main.rs:200:8
[INFO] [stderr]     |
[INFO] [stderr] 200 | struct ResponseHeaderV2 {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `codecrafters-kafka` (bin "codecrafters-kafka" test) generated 13 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/codecrafters_kafka-7f08dfad02bdba01)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7a537051852774fd4cc1369fc60527293a2735f9106da7552908c24d2a82d472", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a537051852774fd4cc1369fc60527293a2735f9106da7552908c24d2a82d472", kill_on_drop: false }`
[INFO] [stdout] 7a537051852774fd4cc1369fc60527293a2735f9106da7552908c24d2a82d472