[INFO] cloning repository https://github.com/onima/algo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/onima/algo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fonima%2Falgo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fonima%2Falgo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a04ffad247271db8cdf100bd72d3b9e06f175f24
[INFO] testing onima/algo against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fonima%2Falgo" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/onima/algo on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/onima/algo
[INFO] finished tweaking git repo https://github.com/onima/algo
[INFO] tweaked toml for git repo https://github.com/onima/algo written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/onima/algo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 72659c68d4c347f56ad5285c0228c3d43afa264e1b9f44d9df1152cb8499fa7d
[INFO] running `Command { std: "docker" "start" "-a" "72659c68d4c347f56ad5285c0228c3d43afa264e1b9f44d9df1152cb8499fa7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "72659c68d4c347f56ad5285c0228c3d43afa264e1b9f44d9df1152cb8499fa7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72659c68d4c347f56ad5285c0228c3d43afa264e1b9f44d9df1152cb8499fa7d", kill_on_drop: false }`
[INFO] [stdout] 72659c68d4c347f56ad5285c0228c3d43afa264e1b9f44d9df1152cb8499fa7d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f586c11af28b8f052698cd1286c32909d4a0267caad660bdd494940302b35d9
[INFO] running `Command { std: "docker" "start" "-a" "2f586c11af28b8f052698cd1286c32909d4a0267caad660bdd494940302b35d9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling algo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/max_pairwise_product.rs:46:24
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub fn run() -> Result<(u32), Box<dyn Error>> {
[INFO] [stdout]    |                        ^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `list_size`
[INFO] [stdout]  --> src/max_pairwise_product.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     list_size: u32,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.68s
[INFO] running `Command { std: "docker" "inspect" "2f586c11af28b8f052698cd1286c32909d4a0267caad660bdd494940302b35d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f586c11af28b8f052698cd1286c32909d4a0267caad660bdd494940302b35d9", kill_on_drop: false }`
[INFO] [stdout] 2f586c11af28b8f052698cd1286c32909d4a0267caad660bdd494940302b35d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 04ed8f167c6ef2937db7907aba935ff1c148d8ba5f6e602d73dcf48044a236af
[INFO] running `Command { std: "docker" "start" "-a" "04ed8f167c6ef2937db7907aba935ff1c148d8ba5f6e602d73dcf48044a236af", kill_on_drop: false }`
[INFO] [stderr]    Compiling algo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/max_pairwise_product.rs:46:24
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub fn run() -> Result<(u32), Box<dyn Error>> {
[INFO] [stdout]    |                        ^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `list_size`
[INFO] [stdout]  --> src/max_pairwise_product.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     list_size: u32,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "04ed8f167c6ef2937db7907aba935ff1c148d8ba5f6e602d73dcf48044a236af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04ed8f167c6ef2937db7907aba935ff1c148d8ba5f6e602d73dcf48044a236af", kill_on_drop: false }`
[INFO] [stdout] 04ed8f167c6ef2937db7907aba935ff1c148d8ba5f6e602d73dcf48044a236af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b82c33473cfde7d9344533c247633f5600f3a70f2e95eb79684197420c4529c5
[INFO] running `Command { std: "docker" "start" "-a" "b82c33473cfde7d9344533c247633f5600f3a70f2e95eb79684197420c4529c5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/max_pairwise_product.rs:46:24
[INFO] [stderr]    |
[INFO] [stderr] 46 | pub fn run() -> Result<(u32), Box<dyn Error>> {
[INFO] [stderr]    |                        ^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `list_size`
[INFO] [stderr]  --> src/max_pairwise_product.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     list_size: u32,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `algo` (bin "algo" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/algo-73454530c3e5167a)
[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" "b82c33473cfde7d9344533c247633f5600f3a70f2e95eb79684197420c4529c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b82c33473cfde7d9344533c247633f5600f3a70f2e95eb79684197420c4529c5", kill_on_drop: false }`
[INFO] [stdout] b82c33473cfde7d9344533c247633f5600f3a70f2e95eb79684197420c4529c5