[INFO] fetching crate tark 0.1.3...
[INFO] testing tark-0.1.3 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate tark 0.1.3 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate tark 0.1.3 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 tark 0.1.3
[INFO] finished tweaking crates.io crate tark 0.1.3
[INFO] tweaked toml for crates.io crate tark 0.1.3 written to /workspace/builds/worker-8/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] [stderr]     Blocking waiting for file lock on package cache
[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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 85e027023bb5028ada9d532825d1f520d17204ff8c3ad1e2f54e50d2748d3ced
[INFO] running `Command { std: "docker" "start" "-a" "85e027023bb5028ada9d532825d1f520d17204ff8c3ad1e2f54e50d2748d3ced", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "85e027023bb5028ada9d532825d1f520d17204ff8c3ad1e2f54e50d2748d3ced", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85e027023bb5028ada9d532825d1f520d17204ff8c3ad1e2f54e50d2748d3ced", kill_on_drop: false }`
[INFO] [stdout] 85e027023bb5028ada9d532825d1f520d17204ff8c3ad1e2f54e50d2748d3ced
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 5a6c7e6ddae7674b0f248eecfa6f45b239c65bbb57001f4d262be8bbd8b25e16
[INFO] running `Command { std: "docker" "start" "-a" "5a6c7e6ddae7674b0f248eecfa6f45b239c65bbb57001f4d262be8bbd8b25e16", kill_on_drop: false }`
[INFO] [stderr]    Compiling tark v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.23s
[INFO] running `Command { std: "docker" "inspect" "5a6c7e6ddae7674b0f248eecfa6f45b239c65bbb57001f4d262be8bbd8b25e16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a6c7e6ddae7674b0f248eecfa6f45b239c65bbb57001f4d262be8bbd8b25e16", kill_on_drop: false }`
[INFO] [stdout] 5a6c7e6ddae7674b0f248eecfa6f45b239c65bbb57001f4d262be8bbd8b25e16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 12a3aad83b9a7f532615b6d33c5913cc2ed6f68aa8b130fde8fae255e59d6cfb
[INFO] running `Command { std: "docker" "start" "-a" "12a3aad83b9a7f532615b6d33c5913cc2ed6f68aa8b130fde8fae255e59d6cfb", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling criterion v0.3.5
[INFO] [stderr]    Compiling tark v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 17.05s
[INFO] running `Command { std: "docker" "inspect" "12a3aad83b9a7f532615b6d33c5913cc2ed6f68aa8b130fde8fae255e59d6cfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12a3aad83b9a7f532615b6d33c5913cc2ed6f68aa8b130fde8fae255e59d6cfb", kill_on_drop: false }`
[INFO] [stdout] 12a3aad83b9a7f532615b6d33c5913cc2ed6f68aa8b130fde8fae255e59d6cfb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] e442817c1549a71b5debb7789d7fed3cf8c7be18d58d6e7231ba40c21d15f066
[INFO] running `Command { std: "docker" "start" "-a" "e442817c1549a71b5debb7789d7fed3cf8c7be18d58d6e7231ba40c21d15f066", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tark-265eb680f0dc3996)
[INFO] [stderr]    Doc-tests tark
[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] [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" "e442817c1549a71b5debb7789d7fed3cf8c7be18d58d6e7231ba40c21d15f066", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e442817c1549a71b5debb7789d7fed3cf8c7be18d58d6e7231ba40c21d15f066", kill_on_drop: false }`
[INFO] [stdout] e442817c1549a71b5debb7789d7fed3cf8c7be18d58d6e7231ba40c21d15f066