[INFO] fetching crate peek 0.0.0... [INFO] testing peek-0.0.0 against beta-2025-10-28 for beta-1.92-2 [INFO] extracting crate peek 0.0.0 into /workspace/builds/worker-4-tc2/source [INFO] started tweaking crates.io crate peek 0.0.0 [INFO] finished tweaking crates.io crate peek 0.0.0 [INFO] tweaked toml for crates.io crate peek 0.0.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate peek 0.0.0 on toolchain beta-2025-10-28 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate peek 0.0.0 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" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] eee44c4f669cafc58634393b4e058e42fca8f619de1c62088ab5d3fe33ffabeb [INFO] running `Command { std: "docker" "start" "-a" "eee44c4f669cafc58634393b4e058e42fca8f619de1c62088ab5d3fe33ffabeb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "eee44c4f669cafc58634393b4e058e42fca8f619de1c62088ab5d3fe33ffabeb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eee44c4f669cafc58634393b4e058e42fca8f619de1c62088ab5d3fe33ffabeb", kill_on_drop: false }` [INFO] [stdout] eee44c4f669cafc58634393b4e058e42fca8f619de1c62088ab5d3fe33ffabeb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 913cbd04fd3c5390f706818d50598f9f645cfe19a6be9c5197c2e378ed6a791a [INFO] running `Command { std: "docker" "start" "-a" "913cbd04fd3c5390f706818d50598f9f645cfe19a6be9c5197c2e378ed6a791a", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.69 [INFO] [stderr] Compiling libc v0.2.149 [INFO] [stderr] Compiling serde v1.0.189 [INFO] [stderr] Compiling rayon-core v1.12.0 [INFO] [stderr] Compiling anstyle-query v1.0.0 [INFO] [stderr] Compiling anstyle v1.0.4 [INFO] [stderr] Compiling either v1.9.0 [INFO] [stderr] Compiling anyhow v1.0.75 [INFO] [stderr] Compiling serde_json v1.0.107 [INFO] [stderr] Compiling memoffset v0.9.0 [INFO] [stderr] Compiling crossbeam-epoch v0.9.15 [INFO] [stderr] Compiling anstyle-parse v0.2.2 [INFO] [stderr] Compiling clap_lex v0.5.1 [INFO] [stderr] Compiling bitflags v2.4.1 [INFO] [stderr] Compiling strsim v0.10.0 [INFO] [stderr] Compiling memchr v2.6.4 [INFO] [stderr] Compiling ryu v1.0.15 [INFO] [stderr] Compiling anstream v0.6.4 [INFO] [stderr] Compiling clap_builder v4.4.6 [INFO] [stderr] Compiling crossbeam-deque v0.8.3 [INFO] [stderr] Compiling csv-core v0.1.11 [INFO] [stderr] Compiling quote v1.0.33 [INFO] [stderr] Compiling rayon v1.8.0 [INFO] [stderr] Compiling syn v2.0.38 [INFO] [stderr] Compiling nix v0.27.1 [INFO] [stderr] Compiling getrandom v0.2.10 [INFO] [stderr] Compiling ctrlc v3.4.1 [INFO] [stderr] Compiling sysinfo v0.29.10 [INFO] [stderr] Compiling serde_derive v1.0.189 [INFO] [stderr] Compiling clap_derive v4.4.2 [INFO] [stderr] Compiling clap v4.4.6 [INFO] [stderr] Compiling uuid v1.5.0 [INFO] [stderr] Compiling csv v1.3.0 [INFO] [stderr] Compiling peek v0.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `data` [INFO] [stdout] --> src/main.rs:123:11 [INFO] [stdout] | [INFO] [stdout] 123 | fn to_csv(data: Vec) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_data` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Output` is never used [INFO] [stdout] --> src/main.rs:165:6 [INFO] [stdout] | [INFO] [stdout] 165 | enum Output { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.53s [INFO] running `Command { std: "docker" "inspect" "913cbd04fd3c5390f706818d50598f9f645cfe19a6be9c5197c2e378ed6a791a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "913cbd04fd3c5390f706818d50598f9f645cfe19a6be9c5197c2e378ed6a791a", kill_on_drop: false }` [INFO] [stdout] 913cbd04fd3c5390f706818d50598f9f645cfe19a6be9c5197c2e378ed6a791a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 889b49d90fe1fb8db6dce0f23cc7a3541d2b43e65f80bf727ec2dafa04dc4610 [INFO] running `Command { std: "docker" "start" "-a" "889b49d90fe1fb8db6dce0f23cc7a3541d2b43e65f80bf727ec2dafa04dc4610", kill_on_drop: false }` [INFO] [stderr] Compiling peek v0.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `data` [INFO] [stdout] --> src/main.rs:123:11 [INFO] [stdout] | [INFO] [stdout] 123 | fn to_csv(data: Vec) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_data` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Output` is never used [INFO] [stdout] --> src/main.rs:165:6 [INFO] [stdout] | [INFO] [stdout] 165 | enum Output { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.43s [INFO] running `Command { std: "docker" "inspect" "889b49d90fe1fb8db6dce0f23cc7a3541d2b43e65f80bf727ec2dafa04dc4610", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "889b49d90fe1fb8db6dce0f23cc7a3541d2b43e65f80bf727ec2dafa04dc4610", kill_on_drop: false }` [INFO] [stdout] 889b49d90fe1fb8db6dce0f23cc7a3541d2b43e65f80bf727ec2dafa04dc4610 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 3992426603c6140ab1693f1c3cf655431112150568faae253e39c665ac46e3a0 [INFO] running `Command { std: "docker" "start" "-a" "3992426603c6140ab1693f1c3cf655431112150568faae253e39c665ac46e3a0", kill_on_drop: false }` [INFO] [stderr] warning: unused variable: `data` [INFO] [stderr] --> src/main.rs:123:11 [INFO] [stderr] | [INFO] [stderr] 123 | fn to_csv(data: Vec) { [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_data` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: enum `Output` is never used [INFO] [stderr] --> src/main.rs:165:6 [INFO] [stderr] | [INFO] [stderr] 165 | enum Output { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `peek` (bin "peek" test) generated 2 warnings (run `cargo fix --bin "peek" -p peek --tests` to apply 1 suggestion) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/peek-85539b42ecbbe547) [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" "3992426603c6140ab1693f1c3cf655431112150568faae253e39c665ac46e3a0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3992426603c6140ab1693f1c3cf655431112150568faae253e39c665ac46e3a0", kill_on_drop: false }` [INFO] [stdout] 3992426603c6140ab1693f1c3cf655431112150568faae253e39c665ac46e3a0