[INFO] cloning repository https://github.com/marusama/hackerrank-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/marusama/hackerrank-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarusama%2Fhackerrank-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarusama%2Fhackerrank-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5727f32b88cfeef32d39d57bae87b8bdc7e5fb5f
[INFO] testing marusama/hackerrank-rust against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarusama%2Fhackerrank-rust" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/marusama/hackerrank-rust on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/marusama/hackerrank-rust
[INFO] finished tweaking git repo https://github.com/marusama/hackerrank-rust
[INFO] tweaked toml for git repo https://github.com/marusama/hackerrank-rust written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/marusama/hackerrank-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3eb0e46135e7954a39069f945a9595690778ea2fe3536a92c0d764c266ff34aa
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3eb0e46135e7954a39069f945a9595690778ea2fe3536a92c0d764c266ff34aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3eb0e46135e7954a39069f945a9595690778ea2fe3536a92c0d764c266ff34aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3eb0e46135e7954a39069f945a9595690778ea2fe3536a92c0d764c266ff34aa", kill_on_drop: false }`
[INFO] [stdout] 3eb0e46135e7954a39069f945a9595690778ea2fe3536a92c0d764c266ff34aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 15cc8fbf6c465ef5e03cd1834c173938b399b80524a17ccfe430b9db3dbd3e1a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "15cc8fbf6c465ef5e03cd1834c173938b399b80524a17ccfe430b9db3dbd3e1a", kill_on_drop: false }`
[INFO] [stderr]    Compiling hackerrank-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::vec`
[INFO] [stdout]  --> src/algorithms/warmup/compare_the_triplets.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::vec;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "15cc8fbf6c465ef5e03cd1834c173938b399b80524a17ccfe430b9db3dbd3e1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15cc8fbf6c465ef5e03cd1834c173938b399b80524a17ccfe430b9db3dbd3e1a", kill_on_drop: false }`
[INFO] [stdout] 15cc8fbf6c465ef5e03cd1834c173938b399b80524a17ccfe430b9db3dbd3e1a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 52268358bacb62256459b1b27ac5419f0b60dacd7369a22f0d27af36a43ecdd7
[INFO] running `Command { std: "docker" "start" "-a" "52268358bacb62256459b1b27ac5419f0b60dacd7369a22f0d27af36a43ecdd7", kill_on_drop: false }`
[INFO] [stderr]    Compiling hackerrank-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::vec`
[INFO] [stdout]  --> src/algorithms/warmup/compare_the_triplets.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::vec;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "52268358bacb62256459b1b27ac5419f0b60dacd7369a22f0d27af36a43ecdd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52268358bacb62256459b1b27ac5419f0b60dacd7369a22f0d27af36a43ecdd7", kill_on_drop: false }`
[INFO] [stdout] 52268358bacb62256459b1b27ac5419f0b60dacd7369a22f0d27af36a43ecdd7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 79e2c42b8b2a9bb1b5623ce712d964638a45d9e14320e2f78dc03dc390e7ec9a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "79e2c42b8b2a9bb1b5623ce712d964638a45d9e14320e2f78dc03dc390e7ec9a", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused import: `std::vec`
[INFO] [stdout] running 1 test
[INFO] [stderr]  --> src/algorithms/warmup/compare_the_triplets.rs:2:5
[INFO] [stdout] test algorithms::warmup::compare_the_triplets::tests::test_compare ... ok
[INFO] [stderr]   |
[INFO] [stdout] 
[INFO] [stderr] 2 | use std::vec;
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/hackerrank_rust-e57d9fbdd96cb9bf
[INFO] running `Command { std: "docker" "inspect" "79e2c42b8b2a9bb1b5623ce712d964638a45d9e14320e2f78dc03dc390e7ec9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79e2c42b8b2a9bb1b5623ce712d964638a45d9e14320e2f78dc03dc390e7ec9a", kill_on_drop: false }`
[INFO] [stdout] 79e2c42b8b2a9bb1b5623ce712d964638a45d9e14320e2f78dc03dc390e7ec9a