[INFO] fetching crate polonius-engine 0.13.0...
[INFO] testing polonius-engine-0.13.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate polonius-engine 0.13.0 into /workspace/builds/worker-75/source
[INFO] validating manifest of crates.io crate polonius-engine 0.13.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-75/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 505c22fce000cebd2fa463d57cbdff241b79f81dbdc2d5a9babf4d90ac2326fe
[INFO] running `Command { std: "docker" "start" "-a" "505c22fce000cebd2fa463d57cbdff241b79f81dbdc2d5a9babf4d90ac2326fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "505c22fce000cebd2fa463d57cbdff241b79f81dbdc2d5a9babf4d90ac2326fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "505c22fce000cebd2fa463d57cbdff241b79f81dbdc2d5a9babf4d90ac2326fe", kill_on_drop: false }`
[INFO] [stdout] 505c22fce000cebd2fa463d57cbdff241b79f81dbdc2d5a9babf4d90ac2326fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e1ba26274c2b19319c80299564c212ad2003a112ccbe18804da07a5cbb1dfcc7
[INFO] running `Command { std: "docker" "start" "-a" "e1ba26274c2b19319c80299564c212ad2003a112ccbe18804da07a5cbb1dfcc7", 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 3.83s
[INFO] running `Command { std: "docker" "inspect" "e1ba26274c2b19319c80299564c212ad2003a112ccbe18804da07a5cbb1dfcc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1ba26274c2b19319c80299564c212ad2003a112ccbe18804da07a5cbb1dfcc7", kill_on_drop: false }`
[INFO] [stdout] e1ba26274c2b19319c80299564c212ad2003a112ccbe18804da07a5cbb1dfcc7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 24581ee766379adf3f9404b7b69795e98dc66af562339c0ff246f477905cd44d
[INFO] running `Command { std: "docker" "start" "-a" "24581ee766379adf3f9404b7b69795e98dc66af562339c0ff246f477905cd44d", kill_on_drop: false }`
[INFO] [stderr]    Compiling polonius-engine v0.13.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `Command { std: "docker" "inspect" "24581ee766379adf3f9404b7b69795e98dc66af562339c0ff246f477905cd44d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24581ee766379adf3f9404b7b69795e98dc66af562339c0ff246f477905cd44d", kill_on_drop: false }`
[INFO] [stdout] 24581ee766379adf3f9404b7b69795e98dc66af562339c0ff246f477905cd44d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ec978f09f07dd3c79bab7159002fd42197b789c5eb51b710a96c8663a2d60db2
[INFO] running `Command { std: "docker" "start" "-a" "ec978f09f07dd3c79bab7159002fd42197b789c5eb51b710a96c8663a2d60db2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/polonius_engine-337c8376f92c0418)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests polonius-engine
[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" "ec978f09f07dd3c79bab7159002fd42197b789c5eb51b710a96c8663a2d60db2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec978f09f07dd3c79bab7159002fd42197b789c5eb51b710a96c8663a2d60db2", kill_on_drop: false }`
[INFO] [stdout] ec978f09f07dd3c79bab7159002fd42197b789c5eb51b710a96c8663a2d60db2