[INFO] fetching crate peek 0.0.0...
[INFO] building peek-0.0.0 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate peek 0.0.0 into /workspace/builds/worker-0-tc1/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-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate peek 0.0.0 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded anyhow v1.0.75
[INFO] [stderr]   Downloaded ctrlc v3.4.1
[INFO] [stderr]   Downloaded sysinfo v0.29.10
[INFO] [stderr]   Downloaded uuid v1.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2f3ffb9f72dd7a309f18e093e78f76db95554b99715bc15031287d1eff1e39a0
[INFO] running `Command { std: "docker" "start" "-a" "2f3ffb9f72dd7a309f18e093e78f76db95554b99715bc15031287d1eff1e39a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f3ffb9f72dd7a309f18e093e78f76db95554b99715bc15031287d1eff1e39a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f3ffb9f72dd7a309f18e093e78f76db95554b99715bc15031287d1eff1e39a0", kill_on_drop: false }`
[INFO] [stdout] 2f3ffb9f72dd7a309f18e093e78f76db95554b99715bc15031287d1eff1e39a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4ad132e3a829acc117816cbda6627ef7463ec2c0b826ced846c59a8b9e9de21b
[INFO] running `Command { std: "docker" "start" "-a" "4ad132e3a829acc117816cbda6627ef7463ec2c0b826ced846c59a8b9e9de21b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling serde v1.0.189
[INFO] [stderr]    Compiling rayon-core v1.12.0
[INFO] [stderr]    Compiling anstyle v1.0.4
[INFO] [stderr]    Compiling anstyle-query v1.0.0
[INFO] [stderr]    Compiling serde_json v1.0.107
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]    Compiling anstyle-parse v0.2.2
[INFO] [stderr]    Compiling bitflags v2.4.1
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]    Compiling memchr v2.6.4
[INFO] [stderr]    Compiling clap_lex v0.5.1
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]    Compiling anstream v0.6.4
[INFO] [stderr]    Compiling clap_builder v4.4.6
[INFO] [stderr]    Compiling csv-core v0.1.11
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]    Compiling crossbeam-deque v0.8.3
[INFO] [stderr]    Compiling getrandom v0.2.10
[INFO] [stderr]    Compiling nix v0.27.1
[INFO] [stderr]    Compiling rayon v1.8.0
[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 csv v1.3.0
[INFO] [stderr]    Compiling uuid v1.5.0
[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<Data>) {
[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 18.61s
[INFO] running `Command { std: "docker" "inspect" "4ad132e3a829acc117816cbda6627ef7463ec2c0b826ced846c59a8b9e9de21b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ad132e3a829acc117816cbda6627ef7463ec2c0b826ced846c59a8b9e9de21b", kill_on_drop: false }`
[INFO] [stdout] 4ad132e3a829acc117816cbda6627ef7463ec2c0b826ced846c59a8b9e9de21b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b74701e6d2225160d04ee376cbfc35a645dbbfc1653139eaad05140fbaf4df81
[INFO] running `Command { std: "docker" "start" "-a" "b74701e6d2225160d04ee376cbfc35a645dbbfc1653139eaad05140fbaf4df81", 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<Data>) {
[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 0.57s
[INFO] running `Command { std: "docker" "inspect" "b74701e6d2225160d04ee376cbfc35a645dbbfc1653139eaad05140fbaf4df81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b74701e6d2225160d04ee376cbfc35a645dbbfc1653139eaad05140fbaf4df81", kill_on_drop: false }`
[INFO] [stdout] b74701e6d2225160d04ee376cbfc35a645dbbfc1653139eaad05140fbaf4df81