[INFO] fetching crate peek 0.0.0...
[INFO] testing peek-0.0.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8
[INFO] extracting crate peek 0.0.0 into /workspace/builds/worker-3-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-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate peek 0.0.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded getrandom v0.2.10
[INFO] [stderr]   Downloaded serde_derive v1.0.189
[INFO] [stderr]   Downloaded colorchoice v1.0.0
[INFO] [stderr]   Downloaded quote v1.0.33
[INFO] [stderr]   Downloaded anstyle v1.0.4
[INFO] [stderr]   Downloaded clap_derive v4.4.2
[INFO] [stderr]   Downloaded bitflags v2.4.1
[INFO] [stderr]   Downloaded core-foundation-sys v0.8.4
[INFO] [stderr]   Downloaded crossbeam-epoch v0.9.15
[INFO] [stderr]   Downloaded rayon-core v1.12.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.69
[INFO] [stderr]   Downloaded ntapi v0.4.1
[INFO] [stderr]   Downloaded crossbeam-deque v0.8.3
[INFO] [stderr]   Downloaded serde v1.0.189
[INFO] [stderr]   Downloaded utf8parse v0.2.1
[INFO] [stderr]   Downloaded csv-core v0.1.11
[INFO] [stderr]   Downloaded anstyle-query v1.0.0
[INFO] [stderr]   Downloaded clap_lex v0.5.1
[INFO] [stderr]   Downloaded anstyle-parse v0.2.2
[INFO] [stderr]   Downloaded anstyle-wincon v3.0.1
[INFO] [stderr]   Downloaded anyhow v1.0.75
[INFO] [stderr]   Downloaded memchr v2.6.4
[INFO] [stderr]   Downloaded ryu v1.0.15
[INFO] [stderr]   Downloaded clap v4.4.6
[INFO] [stderr]   Downloaded once_cell v1.18.0
[INFO] [stderr]   Downloaded serde_json v1.0.107
[INFO] [stderr]   Downloaded sysinfo v0.29.10
[INFO] [stderr]   Downloaded rayon v1.8.0
[INFO] [stderr]   Downloaded syn v2.0.38
[INFO] [stderr]   Downloaded nix v0.27.1
[INFO] [stderr]   Downloaded memoffset v0.9.0
[INFO] [stderr]   Downloaded anstream v0.6.4
[INFO] [stderr]   Downloaded ctrlc v3.4.1
[INFO] [stderr]   Downloaded heck v0.4.1
[INFO] [stderr]   Downloaded autocfg v1.1.0
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.16
[INFO] [stderr]   Downloaded windows_x86_64_gnullvm v0.48.5
[INFO] [stderr]   Downloaded windows_aarch64_gnullvm v0.48.5
[INFO] [stderr]   Downloaded windows_x86_64_gnu v0.48.5
[INFO] [stderr]   Downloaded uuid v1.5.0
[INFO] [stderr]   Downloaded unicode-ident v1.0.12
[INFO] [stderr]   Downloaded itoa v1.0.9
[INFO] [stderr]   Downloaded strsim v0.10.0
[INFO] [stderr]   Downloaded either v1.9.0
[INFO] [stderr]   Downloaded windows-targets v0.48.5
[INFO] [stderr]   Downloaded libc v0.2.149
[INFO] [stderr]   Downloaded clap_builder v4.4.6
[INFO] [stderr]   Downloaded windows_x86_64_msvc v0.48.5
[INFO] [stderr]   Downloaded windows_i686_msvc v0.48.5
[INFO] [stderr]   Downloaded windows_i686_gnu v0.48.5
[INFO] [stderr]   Downloaded csv v1.3.0
[INFO] [stderr]   Downloaded windows-sys v0.48.0
[INFO] [stderr]   Downloaded windows_aarch64_msvc v0.48.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ea6a4c5ba0f982005bd62097f0e6bd57293ea974590fbf897c91954c1c9be28b
[INFO] running `Command { std: "docker" "start" "-a" "ea6a4c5ba0f982005bd62097f0e6bd57293ea974590fbf897c91954c1c9be28b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ea6a4c5ba0f982005bd62097f0e6bd57293ea974590fbf897c91954c1c9be28b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea6a4c5ba0f982005bd62097f0e6bd57293ea974590fbf897c91954c1c9be28b", kill_on_drop: false }`
[INFO] [stdout] ea6a4c5ba0f982005bd62097f0e6bd57293ea974590fbf897c91954c1c9be28b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c15962f63557c38f778e79507843edeb57460c83942c800d772ead771f34c60
[INFO] running `Command { std: "docker" "start" "-a" "5c15962f63557c38f778e79507843edeb57460c83942c800d772ead771f34c60", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling serde v1.0.189
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling utf8parse v0.2.1
[INFO] [stderr]    Compiling rayon-core v1.12.0
[INFO] [stderr]    Compiling colorchoice v1.0.0
[INFO] [stderr]    Compiling anstyle-query v1.0.0
[INFO] [stderr]    Compiling anstyle v1.0.4
[INFO] [stderr]    Compiling clap_lex v0.5.1
[INFO] [stderr]    Compiling ryu v1.0.15
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling itoa v1.0.9
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling bitflags v2.4.1
[INFO] [stderr]    Compiling serde_json v1.0.107
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling anstyle-parse v0.2.2
[INFO] [stderr]    Compiling memchr v2.6.4
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]    Compiling anstream v0.6.4
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]    Compiling clap_builder v4.4.6
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling csv-core v0.1.11
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]    Compiling crossbeam-deque v0.8.3
[INFO] [stderr]    Compiling nix v0.27.1
[INFO] [stderr]    Compiling getrandom v0.2.10
[INFO] [stderr]    Compiling rayon v1.8.0
[INFO] [stderr]    Compiling ctrlc v3.4.1
[INFO] [stderr]    Compiling serde_derive v1.0.189
[INFO] [stderr]    Compiling clap_derive v4.4.2
[INFO] [stderr]    Compiling sysinfo v0.29.10
[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<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 12.99s
[INFO] running `Command { std: "docker" "inspect" "5c15962f63557c38f778e79507843edeb57460c83942c800d772ead771f34c60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c15962f63557c38f778e79507843edeb57460c83942c800d772ead771f34c60", kill_on_drop: false }`
[INFO] [stdout] 5c15962f63557c38f778e79507843edeb57460c83942c800d772ead771f34c60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ddf661925fb3b222b0a1c5cf0c99379246b80e54980882b4b311dfb108c99158
[INFO] running `Command { std: "docker" "start" "-a" "ddf661925fb3b222b0a1c5cf0c99379246b80e54980882b4b311dfb108c99158", 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 0.37s
[INFO] running `Command { std: "docker" "inspect" "ddf661925fb3b222b0a1c5cf0c99379246b80e54980882b4b311dfb108c99158", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddf661925fb3b222b0a1c5cf0c99379246b80e54980882b4b311dfb108c99158", kill_on_drop: false }`
[INFO] [stdout] ddf661925fb3b222b0a1c5cf0c99379246b80e54980882b4b311dfb108c99158
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c0ad3631a7e68dbe1dfd9453ebee79c68f65c828ec11468b261288d4f01eb3ca
[INFO] running `Command { std: "docker" "start" "-a" "c0ad3631a7e68dbe1dfd9453ebee79c68f65c828ec11468b261288d4f01eb3ca", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `data`
[INFO] [stdout] 
[INFO] [stderr]    --> src/main.rs:123:11
[INFO] [stdout] running 0 tests
[INFO] [stderr]     |
[INFO] [stdout] 
[INFO] [stderr] 123 | fn to_csv(data: Vec<Data>) {
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]     |           ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[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 0.06s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/peek-f2b3d8fdb281a19d)
[INFO] running `Command { std: "docker" "inspect" "c0ad3631a7e68dbe1dfd9453ebee79c68f65c828ec11468b261288d4f01eb3ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0ad3631a7e68dbe1dfd9453ebee79c68f65c828ec11468b261288d4f01eb3ca", kill_on_drop: false }`
[INFO] [stdout] c0ad3631a7e68dbe1dfd9453ebee79c68f65c828ec11468b261288d4f01eb3ca