[INFO] fetching crate mybench 0.1.8...
[INFO] testing mybench-0.1.8 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate mybench 0.1.8 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate mybench 0.1.8 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 mybench 0.1.8
[INFO] finished tweaking crates.io crate mybench 0.1.8
[INFO] tweaked toml for crates.io crate mybench 0.1.8 written to /workspace/builds/worker-14/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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 939688f8b469329ebf8506861def7940e9542fe76c33538966c2d3c63e42f1b9
[INFO] running `Command { std: "docker" "start" "-a" "939688f8b469329ebf8506861def7940e9542fe76c33538966c2d3c63e42f1b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "939688f8b469329ebf8506861def7940e9542fe76c33538966c2d3c63e42f1b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "939688f8b469329ebf8506861def7940e9542fe76c33538966c2d3c63e42f1b9", kill_on_drop: false }`
[INFO] [stdout] 939688f8b469329ebf8506861def7940e9542fe76c33538966c2d3c63e42f1b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 16b6bdcd7c862adfd5f793fed65cd1b0c95d813c25cfd951a4e08f03da18b895
[INFO] running `Command { std: "docker" "start" "-a" "16b6bdcd7c862adfd5f793fed65cd1b0c95d813c25cfd951a4e08f03da18b895", kill_on_drop: false }`
[INFO] [stderr]    Compiling mybench v0.1.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "16b6bdcd7c862adfd5f793fed65cd1b0c95d813c25cfd951a4e08f03da18b895", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16b6bdcd7c862adfd5f793fed65cd1b0c95d813c25cfd951a4e08f03da18b895", kill_on_drop: false }`
[INFO] [stdout] 16b6bdcd7c862adfd5f793fed65cd1b0c95d813c25cfd951a4e08f03da18b895
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 03fb81a1aabb0d44b53d37e87cab2e2f13d83d744e1a378047eee04e5f3c47f8
[INFO] running `Command { std: "docker" "start" "-a" "03fb81a1aabb0d44b53d37e87cab2e2f13d83d744e1a378047eee04e5f3c47f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling mybench v0.1.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "03fb81a1aabb0d44b53d37e87cab2e2f13d83d744e1a378047eee04e5f3c47f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03fb81a1aabb0d44b53d37e87cab2e2f13d83d744e1a378047eee04e5f3c47f8", kill_on_drop: false }`
[INFO] [stdout] 03fb81a1aabb0d44b53d37e87cab2e2f13d83d744e1a378047eee04e5f3c47f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 3089bdcc9730736e19c2f82540ddbe7528f7cd04e2c9988323c14068ea240959
[INFO] running `Command { std: "docker" "start" "-a" "3089bdcc9730736e19c2f82540ddbe7528f7cd04e2c9988323c14068ea240959", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mybench-168624c0ef925878)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running tests/mybench.rs (/opt/rustwide/target/debug/deps/mybench-b68166c1351e7073)
[INFO] [stdout] test tests::bench_ok ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.77s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests mybench
[INFO] [stdout] test bench_ok ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.94s
[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" "3089bdcc9730736e19c2f82540ddbe7528f7cd04e2c9988323c14068ea240959", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3089bdcc9730736e19c2f82540ddbe7528f7cd04e2c9988323c14068ea240959", kill_on_drop: false }`
[INFO] [stdout] 3089bdcc9730736e19c2f82540ddbe7528f7cd04e2c9988323c14068ea240959