[INFO] cloning repository https://github.com/drock00/Rustastic--Collections-3-Part-Challenge
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/drock00/Rustastic--Collections-3-Part-Challenge" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrock00%2FRustastic--Collections-3-Part-Challenge", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrock00%2FRustastic--Collections-3-Part-Challenge'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5d8afa08d7692ff78a0fc26bc987ecfc78614b94
[INFO] testing drock00/Rustastic--Collections-3-Part-Challenge against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrock00%2FRustastic--Collections-3-Part-Challenge" "/workspace/builds/worker-22/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-22/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/drock00/Rustastic--Collections-3-Part-Challenge on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/drock00/Rustastic--Collections-3-Part-Challenge
[INFO] finished tweaking git repo https://github.com/drock00/Rustastic--Collections-3-Part-Challenge
[INFO] tweaked toml for git repo https://github.com/drock00/Rustastic--Collections-3-Part-Challenge written to /workspace/builds/worker-22/source/Cargo.toml
[INFO] crate git repo https://github.com/drock00/Rustastic--Collections-3-Part-Challenge already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded permutation v0.2.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 861b00c3e765c02a0ac216fd001ab258106e172fe596ce45b713f02a33d43097
[INFO] running `Command { std: "docker" "start" "-a" "861b00c3e765c02a0ac216fd001ab258106e172fe596ce45b713f02a33d43097", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "861b00c3e765c02a0ac216fd001ab258106e172fe596ce45b713f02a33d43097", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "861b00c3e765c02a0ac216fd001ab258106e172fe596ce45b713f02a33d43097", kill_on_drop: false }`
[INFO] [stdout] 861b00c3e765c02a0ac216fd001ab258106e172fe596ce45b713f02a33d43097
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 77e53d6570b0f5b022ca7af5318405350a3cfe522473f477a9fabd3de56b026f
[INFO] running `Command { std: "docker" "start" "-a" "77e53d6570b0f5b022ca7af5318405350a3cfe522473f477a9fabd3de56b026f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling permutation v0.2.5
[INFO] [stderr]    Compiling collections_hw v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.10s
[INFO] running `Command { std: "docker" "inspect" "77e53d6570b0f5b022ca7af5318405350a3cfe522473f477a9fabd3de56b026f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77e53d6570b0f5b022ca7af5318405350a3cfe522473f477a9fabd3de56b026f", kill_on_drop: false }`
[INFO] [stdout] 77e53d6570b0f5b022ca7af5318405350a3cfe522473f477a9fabd3de56b026f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab10c5550fdc61dae17009da5d42470e09d6e9de7e8b67f3439f785daf9e3093
[INFO] running `Command { std: "docker" "start" "-a" "ab10c5550fdc61dae17009da5d42470e09d6e9de7e8b67f3439f785daf9e3093", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling collections_hw v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `Command { std: "docker" "inspect" "ab10c5550fdc61dae17009da5d42470e09d6e9de7e8b67f3439f785daf9e3093", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab10c5550fdc61dae17009da5d42470e09d6e9de7e8b67f3439f785daf9e3093", kill_on_drop: false }`
[INFO] [stdout] ab10c5550fdc61dae17009da5d42470e09d6e9de7e8b67f3439f785daf9e3093
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] db7b1be4b13ea6746403f60265792544e6cdbe28d505ae98849a415527ff5c96
[INFO] running `Command { std: "docker" "start" "-a" "db7b1be4b13ea6746403f60265792544e6cdbe28d505ae98849a415527ff5c96", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/collections_hw-d1e5fbed74e5eb97)
[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" "db7b1be4b13ea6746403f60265792544e6cdbe28d505ae98849a415527ff5c96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db7b1be4b13ea6746403f60265792544e6cdbe28d505ae98849a415527ff5c96", kill_on_drop: false }`
[INFO] [stdout] db7b1be4b13ea6746403f60265792544e6cdbe28d505ae98849a415527ff5c96