[INFO] cloning repository https://github.com/cndoit18/codecrafters-kafka-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cndoit18/codecrafters-kafka-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcndoit18%2Fcodecrafters-kafka-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcndoit18%2Fcodecrafters-kafka-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6e0e1772c5d50a57208a2d7bddee478bdde8b328 [INFO] testing cndoit18/codecrafters-kafka-rust against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_in_2025-retry-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcndoit18%2Fcodecrafters-kafka-rust" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/cndoit18/codecrafters-kafka-rust [INFO] finished tweaking git repo https://github.com/cndoit18/codecrafters-kafka-rust [INFO] tweaked toml for git repo https://github.com/cndoit18/codecrafters-kafka-rust written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/cndoit18/codecrafters-kafka-rust on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/cndoit18/codecrafters-kafka-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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5603ffd498acd2e332a7da59e4131c679927b93662969b9c9aa93761f8f2357f [INFO] running `Command { std: "docker" "start" "-a" "5603ffd498acd2e332a7da59e4131c679927b93662969b9c9aa93761f8f2357f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5603ffd498acd2e332a7da59e4131c679927b93662969b9c9aa93761f8f2357f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5603ffd498acd2e332a7da59e4131c679927b93662969b9c9aa93761f8f2357f", kill_on_drop: false }` [INFO] [stdout] 5603ffd498acd2e332a7da59e4131c679927b93662969b9c9aa93761f8f2357f [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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 26d95b7ee638177b9f0f2f47633080a6315c3e645e8a3ff6fabf1d611db88923 [INFO] running `Command { std: "docker" "start" "-a" "26d95b7ee638177b9f0f2f47633080a6315c3e645e8a3ff6fabf1d611db88923", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.86 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Compiling anyhow v1.0.86 [INFO] [stderr] Compiling thiserror v1.0.63 [INFO] [stderr] Compiling bytes v1.7.1 [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: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:258:21 [INFO] [stdout] | [INFO] [stdout] 258 | let mut f = File::open( [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:262:21 [INFO] [stdout] | [INFO] [stdout] 262 | let mut metadata = ClusterMetadata::parse(f)?; [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple fields are never read [INFO] [stdout] --> src/main.rs:326:5 [INFO] [stdout] | [INFO] [stdout] 325 | struct ClusterMetadata { [INFO] [stdout] | --------------- fields in this struct [INFO] [stdout] 326 | offset: u64, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 327 | partition_leader_epoch: u32, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 328 | magic: u8, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 329 | crc: u32, [INFO] [stdout] | ^^^ [INFO] [stdout] 330 | attributes: u16, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 331 | last_offset_delta: u32, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] 332 | base_timestamp: u64, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] 333 | max_timestamp: u64, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 334 | producer_id: i64, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 335 | producer_epoch: i16, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] 336 | base_sequence: i32, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 337 | records: Vec, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ClusterMetadata` 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 `attributes`, `timestamp_dalta`, and `offset_dalta` are never read [INFO] [stdout] --> src/main.rs:342:5 [INFO] [stdout] | [INFO] [stdout] 341 | struct Record { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 342 | attributes: u8, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 343 | timestamp_dalta: i8, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] 344 | offset_dalta: i8, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Record` 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 8.13s [INFO] running `Command { std: "docker" "inspect" "26d95b7ee638177b9f0f2f47633080a6315c3e645e8a3ff6fabf1d611db88923", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "26d95b7ee638177b9f0f2f47633080a6315c3e645e8a3ff6fabf1d611db88923", kill_on_drop: false }` [INFO] [stdout] 26d95b7ee638177b9f0f2f47633080a6315c3e645e8a3ff6fabf1d611db88923 [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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 8c049626a19d0c4995a81c57c4e5c868f2215aacde4eb5676186d583849b872b [INFO] running `Command { std: "docker" "start" "-a" "8c049626a19d0c4995a81c57c4e5c868f2215aacde4eb5676186d583849b872b", kill_on_drop: false }` [INFO] [stderr] Compiling codecrafters-kafka v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:258:21 [INFO] [stdout] | [INFO] [stdout] 258 | let mut f = File::open( [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:262:21 [INFO] [stdout] | [INFO] [stdout] 262 | let mut metadata = ClusterMetadata::parse(f)?; [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple fields are never read [INFO] [stdout] --> src/main.rs:326:5 [INFO] [stdout] | [INFO] [stdout] 325 | struct ClusterMetadata { [INFO] [stdout] | --------------- fields in this struct [INFO] [stdout] 326 | offset: u64, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 327 | partition_leader_epoch: u32, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 328 | magic: u8, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 329 | crc: u32, [INFO] [stdout] | ^^^ [INFO] [stdout] 330 | attributes: u16, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 331 | last_offset_delta: u32, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] 332 | base_timestamp: u64, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] 333 | max_timestamp: u64, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 334 | producer_id: i64, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 335 | producer_epoch: i16, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] 336 | base_sequence: i32, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 337 | records: Vec, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ClusterMetadata` 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 `attributes`, `timestamp_dalta`, and `offset_dalta` are never read [INFO] [stdout] --> src/main.rs:342:5 [INFO] [stdout] | [INFO] [stdout] 341 | struct Record { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 342 | attributes: u8, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 343 | timestamp_dalta: i8, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] 344 | offset_dalta: i8, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Record` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.50s [INFO] running `Command { std: "docker" "inspect" "8c049626a19d0c4995a81c57c4e5c868f2215aacde4eb5676186d583849b872b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8c049626a19d0c4995a81c57c4e5c868f2215aacde4eb5676186d583849b872b", kill_on_drop: false }` [INFO] [stdout] 8c049626a19d0c4995a81c57c4e5c868f2215aacde4eb5676186d583849b872b [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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 32fea21309076c0114c481bdb905df7bfa10f8e31b3864fb7029001f7c7d981c [INFO] running `Command { std: "docker" "start" "-a" "32fea21309076c0114c481bdb905df7bfa10f8e31b3864fb7029001f7c7d981c", kill_on_drop: false }` [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:258:21 [INFO] [stderr] | [INFO] [stderr] 258 | let mut f = File::open( [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:262:21 [INFO] [stderr] | [INFO] [stderr] 262 | let mut metadata = ClusterMetadata::parse(f)?; [INFO] [stderr] | ----^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: multiple fields are never read [INFO] [stderr] --> src/main.rs:326:5 [INFO] [stderr] | [INFO] [stderr] 325 | struct ClusterMetadata { [INFO] [stderr] | --------------- fields in this struct [INFO] [stderr] 326 | offset: u64, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] 327 | partition_leader_epoch: u32, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] 328 | magic: u8, [INFO] [stderr] | ^^^^^ [INFO] [stderr] 329 | crc: u32, [INFO] [stderr] | ^^^ [INFO] [stderr] 330 | attributes: u16, [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] 331 | last_offset_delta: u32, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] 332 | base_timestamp: u64, [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] 333 | max_timestamp: u64, [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] 334 | producer_id: i64, [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] 335 | producer_epoch: i16, [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] 336 | base_sequence: i32, [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] 337 | records: Vec, [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `ClusterMetadata` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: fields `attributes`, `timestamp_dalta`, and `offset_dalta` are never read [INFO] [stderr] --> src/main.rs:342:5 [INFO] [stderr] | [INFO] [stderr] 341 | struct Record { [INFO] [stderr] | ------ fields in this struct [INFO] [stderr] 342 | attributes: u8, [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] 343 | timestamp_dalta: i8, [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] 344 | offset_dalta: i8, [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `Record` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] [INFO] [stderr] warning: `codecrafters-kafka` (bin "codecrafters-kafka" test) generated 4 warnings (run `cargo fix --bin "codecrafters-kafka" --tests` to apply 2 suggestions) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/codecrafters_kafka-016b4a2c5db92d97) [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" "32fea21309076c0114c481bdb905df7bfa10f8e31b3864fb7029001f7c7d981c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "32fea21309076c0114c481bdb905df7bfa10f8e31b3864fb7029001f7c7d981c", kill_on_drop: false }` [INFO] [stdout] 32fea21309076c0114c481bdb905df7bfa10f8e31b3864fb7029001f7c7d981c