[INFO] fetching crate vtebench 0.3.1...
[INFO] testing vtebench-0.3.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate vtebench 0.3.1 into /workspace/builds/worker-22/source
[INFO] validating manifest of crates.io crate vtebench 0.3.1 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 vtebench 0.3.1
[INFO] finished tweaking crates.io crate vtebench 0.3.1
[INFO] tweaked toml for crates.io crate vtebench 0.3.1 written to /workspace/builds/worker-22/source/Cargo.toml
[INFO] crate crates.io crate vtebench 0.3.1 already has a lockfile, it will not be regenerated
[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-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b8b3f01dc01739072fd3fc97d4c3417b53992a5d374b98a660da26f30f30367e
[INFO] running `Command { std: "docker" "start" "-a" "b8b3f01dc01739072fd3fc97d4c3417b53992a5d374b98a660da26f30f30367e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b8b3f01dc01739072fd3fc97d4c3417b53992a5d374b98a660da26f30f30367e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8b3f01dc01739072fd3fc97d4c3417b53992a5d374b98a660da26f30f30367e", kill_on_drop: false }`
[INFO] [stdout] b8b3f01dc01739072fd3fc97d4c3417b53992a5d374b98a660da26f30f30367e
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 42fd0c9dbeb640bb028c008d213d84a630154dbf8e4007939372e2bc0d38d4ac
[INFO] running `Command { std: "docker" "start" "-a" "42fd0c9dbeb640bb028c008d213d84a630154dbf8e4007939372e2bc0d38d4ac", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.21
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.40
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling structopt-derive v0.4.10
[INFO] [stderr]    Compiling structopt v0.3.17
[INFO] [stderr]    Compiling vtebench v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.63s
[INFO] running `Command { std: "docker" "inspect" "42fd0c9dbeb640bb028c008d213d84a630154dbf8e4007939372e2bc0d38d4ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42fd0c9dbeb640bb028c008d213d84a630154dbf8e4007939372e2bc0d38d4ac", kill_on_drop: false }`
[INFO] [stdout] 42fd0c9dbeb640bb028c008d213d84a630154dbf8e4007939372e2bc0d38d4ac
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b5a93f41f714898d1fbf744a23fa19fb5c5ef2053c2b46935c4c46715957903e
[INFO] running `Command { std: "docker" "start" "-a" "b5a93f41f714898d1fbf744a23fa19fb5c5ef2053c2b46935c4c46715957903e", kill_on_drop: false }`
[INFO] [stderr]    Compiling vtebench v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.70s
[INFO] running `Command { std: "docker" "inspect" "b5a93f41f714898d1fbf744a23fa19fb5c5ef2053c2b46935c4c46715957903e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5a93f41f714898d1fbf744a23fa19fb5c5ef2053c2b46935c4c46715957903e", kill_on_drop: false }`
[INFO] [stdout] b5a93f41f714898d1fbf744a23fa19fb5c5ef2053c2b46935c4c46715957903e
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1823ce3e62417138ce776d7cd4813f168a91635908cf17e0ba1fb61699409a88
[INFO] running `Command { std: "docker" "start" "-a" "1823ce3e62417138ce776d7cd4813f168a91635908cf17e0ba1fb61699409a88", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.24s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/vtebench-a039b2d2ad1c539b)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test bench::tests::max ... ok
[INFO] [stdout] test bench::tests::mean ... ok
[INFO] [stdout] test bench::tests::median ... ok
[INFO] [stdout] test bench::tests::min ... ok
[INFO] [stdout] test bench::tests::percentile ... ok
[INFO] [stdout] test bench::tests::stddev ... ok
[INFO] [stdout] test bench::tests::variance ... ok
[INFO] [stdout] test format::dat::tests::format_results ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1823ce3e62417138ce776d7cd4813f168a91635908cf17e0ba1fb61699409a88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1823ce3e62417138ce776d7cd4813f168a91635908cf17e0ba1fb61699409a88", kill_on_drop: false }`
[INFO] [stdout] 1823ce3e62417138ce776d7cd4813f168a91635908cf17e0ba1fb61699409a88