[INFO] fetching crate polonius-engine 0.13.0...
[INFO] testing polonius-engine-0.13.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate polonius-engine 0.13.0 into /workspace/builds/worker-29/source
[INFO] validating manifest of crates.io crate polonius-engine 0.13.0 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 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-29/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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] b041af5a805e7babcb6069b3f3177bf178f3d461233d33c02a5e4bc207869dbb
[INFO] running `Command { std: "docker" "start" "-a" "b041af5a805e7babcb6069b3f3177bf178f3d461233d33c02a5e4bc207869dbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b041af5a805e7babcb6069b3f3177bf178f3d461233d33c02a5e4bc207869dbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b041af5a805e7babcb6069b3f3177bf178f3d461233d33c02a5e4bc207869dbb", kill_on_drop: false }`
[INFO] [stdout] b041af5a805e7babcb6069b3f3177bf178f3d461233d33c02a5e4bc207869dbb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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] 35922a2e66595eda73819fb76bf889aa2044143dac0096a5fc4d02d9cf974212
[INFO] running `Command { std: "docker" "start" "-a" "35922a2e66595eda73819fb76bf889aa2044143dac0096a5fc4d02d9cf974212", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 1.77s
[INFO] running `Command { std: "docker" "inspect" "35922a2e66595eda73819fb76bf889aa2044143dac0096a5fc4d02d9cf974212", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35922a2e66595eda73819fb76bf889aa2044143dac0096a5fc4d02d9cf974212", kill_on_drop: false }`
[INFO] [stdout] 35922a2e66595eda73819fb76bf889aa2044143dac0096a5fc4d02d9cf974212
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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] a2c2aa28cff49d37fef98872c1650bb78a35911c090bc4373343bc8d6a400ce0
[INFO] running `Command { std: "docker" "start" "-a" "a2c2aa28cff49d37fef98872c1650bb78a35911c090bc4373343bc8d6a400ce0", kill_on_drop: false }`
[INFO] [stderr]    Compiling polonius-engine v0.13.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.16s
[INFO] running `Command { std: "docker" "inspect" "a2c2aa28cff49d37fef98872c1650bb78a35911c090bc4373343bc8d6a400ce0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2c2aa28cff49d37fef98872c1650bb78a35911c090bc4373343bc8d6a400ce0", kill_on_drop: false }`
[INFO] [stdout] a2c2aa28cff49d37fef98872c1650bb78a35911c090bc4373343bc8d6a400ce0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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] 0625a1888902239f263bf5d59eb2aa3b5af93e4b821012180392bc1e4570e974
[INFO] running `Command { std: "docker" "start" "-a" "0625a1888902239f263bf5d59eb2aa3b5af93e4b821012180392bc1e4570e974", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/polonius_engine-61d69158f01a2349)
[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" "0625a1888902239f263bf5d59eb2aa3b5af93e4b821012180392bc1e4570e974", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0625a1888902239f263bf5d59eb2aa3b5af93e4b821012180392bc1e4570e974", kill_on_drop: false }`
[INFO] [stdout] 0625a1888902239f263bf5d59eb2aa3b5af93e4b821012180392bc1e4570e974