[INFO] fetching crate chunks-exacter 0.1.1...
[INFO] testing chunks-exacter-0.1.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate chunks-exacter 0.1.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate chunks-exacter 0.1.1
[INFO] finished tweaking crates.io crate chunks-exacter 0.1.1
[INFO] tweaked toml for crates.io crate chunks-exacter 0.1.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate chunks-exacter 0.1.1 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9bfc5ac0953168cd529ec5007bfb172e716a24171511ca037db17e3b46bbcc50
[INFO] running `Command { std: "docker" "start" "-a" "9bfc5ac0953168cd529ec5007bfb172e716a24171511ca037db17e3b46bbcc50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9bfc5ac0953168cd529ec5007bfb172e716a24171511ca037db17e3b46bbcc50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bfc5ac0953168cd529ec5007bfb172e716a24171511ca037db17e3b46bbcc50", kill_on_drop: false }`
[INFO] [stdout] 9bfc5ac0953168cd529ec5007bfb172e716a24171511ca037db17e3b46bbcc50
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab4868c44b57f43d318d7280b84172fff38feac1b58d4fe11e8126f82dd8a978
[INFO] running `Command { std: "docker" "start" "-a" "ab4868c44b57f43d318d7280b84172fff38feac1b58d4fe11e8126f82dd8a978", kill_on_drop: false }`
[INFO] [stderr]    Compiling chunks-exacter v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `ChunksExactest` is never constructed
[INFO] [stdout]   --> src/lib.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 48 | struct ChunksExactest<'a, T: 'a, const N: usize> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/lib.rs:53:8
[INFO] [stdout]    |
[INFO] [stdout] 52 | impl<'a, T, const N: usize> ChunksExactest<'a, T, N> {
[INFO] [stdout]    | ---------------------------------------------------- associated function in this implementation
[INFO] [stdout] 53 |     fn new(slice: &'a [T]) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `ChunksExactExt` is never used
[INFO] [stdout]   --> src/lib.rs:86:7
[INFO] [stdout]    |
[INFO] [stdout] 86 | trait ChunksExactExt<'a, T, const N: usize> {
[INFO] [stdout]    |       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "ab4868c44b57f43d318d7280b84172fff38feac1b58d4fe11e8126f82dd8a978", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab4868c44b57f43d318d7280b84172fff38feac1b58d4fe11e8126f82dd8a978", kill_on_drop: false }`
[INFO] [stdout] ab4868c44b57f43d318d7280b84172fff38feac1b58d4fe11e8126f82dd8a978
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 51021fe60da5c6e105b6cdb8c78a77bf950133a3512780186ca683a1c7b7b685
[INFO] running `Command { std: "docker" "start" "-a" "51021fe60da5c6e105b6cdb8c78a77bf950133a3512780186ca683a1c7b7b685", kill_on_drop: false }`
[INFO] [stderr]    Compiling chunks-exacter v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `ChunksExactest` is never constructed
[INFO] [stdout]   --> src/lib.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 48 | struct ChunksExactest<'a, T: 'a, const N: usize> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/lib.rs:53:8
[INFO] [stdout]    |
[INFO] [stdout] 52 | impl<'a, T, const N: usize> ChunksExactest<'a, T, N> {
[INFO] [stdout]    | ---------------------------------------------------- associated function in this implementation
[INFO] [stdout] 53 |     fn new(slice: &'a [T]) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `ChunksExactExt` is never used
[INFO] [stdout]   --> src/lib.rs:86:7
[INFO] [stdout]    |
[INFO] [stdout] 86 | trait ChunksExactExt<'a, T, const N: usize> {
[INFO] [stdout]    |       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "51021fe60da5c6e105b6cdb8c78a77bf950133a3512780186ca683a1c7b7b685", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51021fe60da5c6e105b6cdb8c78a77bf950133a3512780186ca683a1c7b7b685", kill_on_drop: false }`
[INFO] [stdout] 51021fe60da5c6e105b6cdb8c78a77bf950133a3512780186ca683a1c7b7b685
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9c9bcc55fd730bd0d57b4db3d8b388580e0ad15ca3f1a3f22730551d0ff8c122
[INFO] running `Command { std: "docker" "start" "-a" "9c9bcc55fd730bd0d57b4db3d8b388580e0ad15ca3f1a3f22730551d0ff8c122", kill_on_drop: false }`
[INFO] [stderr] warning: struct `ChunksExactest` is never constructed
[INFO] [stdout] 
[INFO] [stderr]   --> src/lib.rs:48:8
[INFO] [stdout] running 1 test
[INFO] [stderr]    |
[INFO] [stderr] 48 | struct ChunksExactest<'a, T: 'a, const N: usize> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/lib.rs:53:8
[INFO] [stderr]    |
[INFO] [stderr] 52 | impl<'a, T, const N: usize> ChunksExactest<'a, T, N> {
[INFO] [stderr]    | ---------------------------------------------------- associated function in this implementation
[INFO] [stderr] 53 |     fn new(slice: &'a [T]) -> Self {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `ChunksExactExt` is never used
[INFO] [stderr]   --> src/lib.rs:86:7
[INFO] [stderr]    |
[INFO] [stderr] 86 | trait ChunksExactExt<'a, T, const N: usize> {
[INFO] [stderr]    |       ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `chunks-exacter` (lib) generated 3 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/chunks_exacter-a57d703c4359e35a)
[INFO] [stderr]    Doc-tests chunks_exacter
[INFO] [stdout] test test_construct ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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" "9c9bcc55fd730bd0d57b4db3d8b388580e0ad15ca3f1a3f22730551d0ff8c122", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c9bcc55fd730bd0d57b4db3d8b388580e0ad15ca3f1a3f22730551d0ff8c122", kill_on_drop: false }`
[INFO] [stdout] 9c9bcc55fd730bd0d57b4db3d8b388580e0ad15ca3f1a3f22730551d0ff8c122