[INFO] fetching crate polonius-engine 0.13.0...
[INFO] testing polonius-engine-0.13.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate polonius-engine 0.13.0 into /workspace/builds/worker-52/source
[INFO] validating manifest of crates.io crate polonius-engine 0.13.0 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 crates.io crate polonius-engine 0.13.0
[INFO] finished tweaking crates.io crate polonius-engine 0.13.0
[INFO] tweaked toml for crates.io crate polonius-engine 0.13.0 written to /workspace/builds/worker-52/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded datafrog v2.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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] bcd61691fed5c9618fe31e62fc9c02b3ad0ef44fe14a54a21ba41e08da02bd6d
[INFO] running `Command { std: "docker" "start" "-a" "bcd61691fed5c9618fe31e62fc9c02b3ad0ef44fe14a54a21ba41e08da02bd6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bcd61691fed5c9618fe31e62fc9c02b3ad0ef44fe14a54a21ba41e08da02bd6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcd61691fed5c9618fe31e62fc9c02b3ad0ef44fe14a54a21ba41e08da02bd6d", kill_on_drop: false }`
[INFO] [stdout] bcd61691fed5c9618fe31e62fc9c02b3ad0ef44fe14a54a21ba41e08da02bd6d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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] 9a0efdfa08701a043ca65c2040ae2798fd3b05882b22c8e9e72767a89627efa0
[INFO] running `Command { std: "docker" "start" "-a" "9a0efdfa08701a043ca65c2040ae2798fd3b05882b22c8e9e72767a89627efa0", kill_on_drop: false }`
[INFO] [stderr]    Compiling datafrog v2.0.1
[INFO] [stderr]    Compiling polonius-engine v0.13.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.38s
[INFO] running `Command { std: "docker" "inspect" "9a0efdfa08701a043ca65c2040ae2798fd3b05882b22c8e9e72767a89627efa0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a0efdfa08701a043ca65c2040ae2798fd3b05882b22c8e9e72767a89627efa0", kill_on_drop: false }`
[INFO] [stdout] 9a0efdfa08701a043ca65c2040ae2798fd3b05882b22c8e9e72767a89627efa0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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] f7de8cc9ebadf688dd878c582adc0dabbf9d5c4a3319a4662b532a77ea5016d1
[INFO] running `Command { std: "docker" "start" "-a" "f7de8cc9ebadf688dd878c582adc0dabbf9d5c4a3319a4662b532a77ea5016d1", kill_on_drop: false }`
[INFO] [stderr]    Compiling polonius-engine v0.13.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `Command { std: "docker" "inspect" "f7de8cc9ebadf688dd878c582adc0dabbf9d5c4a3319a4662b532a77ea5016d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7de8cc9ebadf688dd878c582adc0dabbf9d5c4a3319a4662b532a77ea5016d1", kill_on_drop: false }`
[INFO] [stdout] f7de8cc9ebadf688dd878c582adc0dabbf9d5c4a3319a4662b532a77ea5016d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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] 464d64562092d5b5c6220a8496cc705b57fefaeb03e354c6087ee7202a0b9b47
[INFO] running `Command { std: "docker" "start" "-a" "464d64562092d5b5c6220a8496cc705b57fefaeb03e354c6087ee7202a0b9b47", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.22s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/polonius_engine-b2d23c89611c8f5d)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests polonius-engine
[INFO] [stdout] running 1 test
[INFO] [stdout] test output::tests::test_compare_errors ... 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" "464d64562092d5b5c6220a8496cc705b57fefaeb03e354c6087ee7202a0b9b47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "464d64562092d5b5c6220a8496cc705b57fefaeb03e354c6087ee7202a0b9b47", kill_on_drop: false }`
[INFO] [stdout] 464d64562092d5b5c6220a8496cc705b57fefaeb03e354c6087ee7202a0b9b47