[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] checking palpatel224/kakfa-rust against try#c8085cfed34c45021fc8f66d073f6394b3e35431 for pr-148939
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpalpatel224%2Fkakfa-rust" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-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-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/palpatel224/kakfa-rust on toolchain c8085cfed34c45021fc8f66d073f6394b3e35431
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c8085cfed34c45021fc8f66d073f6394b3e35431" "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" "+c8085cfed34c45021fc8f66d073f6394b3e35431" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+c8085cfed34c45021fc8f66d073f6394b3e35431" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8b05de1bdd5766d5d7bff32c97576d320a0b89e4f5983e2da96a52fa1f1f34d3
[INFO] running `Command { std: "docker" "start" "-a" "8b05de1bdd5766d5d7bff32c97576d320a0b89e4f5983e2da96a52fa1f1f34d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b05de1bdd5766d5d7bff32c97576d320a0b89e4f5983e2da96a52fa1f1f34d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b05de1bdd5766d5d7bff32c97576d320a0b89e4f5983e2da96a52fa1f1f34d3", kill_on_drop: false }`
[INFO] [stdout] 8b05de1bdd5766d5d7bff32c97576d320a0b89e4f5983e2da96a52fa1f1f34d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+c8085cfed34c45021fc8f66d073f6394b3e35431" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6fd72324399629536ae37b18dd7c6240baf46a96f0db051c978bcf309fde78c9
[INFO] running `Command { std: "docker" "start" "-a" "6fd72324399629536ae37b18dd7c6240baf46a96f0db051c978bcf309fde78c9", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.75
[INFO] [stderr]    Compiling thiserror-impl v1.0.63
[INFO] [stderr]     Checking thiserror v1.0.63
[INFO] [stderr]     Checking 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: 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] [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] [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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.41s
[INFO] running `Command { std: "docker" "inspect" "6fd72324399629536ae37b18dd7c6240baf46a96f0db051c978bcf309fde78c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fd72324399629536ae37b18dd7c6240baf46a96f0db051c978bcf309fde78c9", kill_on_drop: false }`
[INFO] [stdout] 6fd72324399629536ae37b18dd7c6240baf46a96f0db051c978bcf309fde78c9
