[INFO] fetching crate blunders 0.1.0...
[INFO] testing blunders-0.1.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate blunders 0.1.0 into /workspace/builds/worker-28/source
[INFO] validating manifest of crates.io crate blunders 0.1.0 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate blunders 0.1.0
[INFO] finished tweaking crates.io crate blunders 0.1.0
[INFO] tweaked toml for crates.io crate blunders 0.1.0 written to /workspace/builds/worker-28/source/Cargo.toml
[INFO] crate crates.io crate blunders 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded blunders-engine v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 46da4116aa77a67943ab2ee2f593ee11be9b4aab0e1a921e0050bfc4bbbccf5e
[INFO] running `Command { std: "docker" "start" "-a" "46da4116aa77a67943ab2ee2f593ee11be9b4aab0e1a921e0050bfc4bbbccf5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "46da4116aa77a67943ab2ee2f593ee11be9b4aab0e1a921e0050bfc4bbbccf5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46da4116aa77a67943ab2ee2f593ee11be9b4aab0e1a921e0050bfc4bbbccf5e", kill_on_drop: false }`
[INFO] [stdout] 46da4116aa77a67943ab2ee2f593ee11be9b4aab0e1a921e0050bfc4bbbccf5e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8944394fd0c457a43526e151d9a8ec8c77ef207a998adebf7ad4192e672ee259
[INFO] running `Command { std: "docker" "start" "-a" "8944394fd0c457a43526e151d9a8ec8c77ef207a998adebf7ad4192e672ee259", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling arrayvec v0.7.1
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling blunders-engine v0.1.0
[INFO] [stderr]    Compiling blunders v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.02s
[INFO] running `Command { std: "docker" "inspect" "8944394fd0c457a43526e151d9a8ec8c77ef207a998adebf7ad4192e672ee259", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8944394fd0c457a43526e151d9a8ec8c77ef207a998adebf7ad4192e672ee259", kill_on_drop: false }`
[INFO] [stdout] 8944394fd0c457a43526e151d9a8ec8c77ef207a998adebf7ad4192e672ee259
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 617d5afc928da32028c6f681a0ce792de9e12590bf37ceb793dd96a757718f76
[INFO] running `Command { std: "docker" "start" "-a" "617d5afc928da32028c6f681a0ce792de9e12590bf37ceb793dd96a757718f76", kill_on_drop: false }`
[INFO] [stderr]    Compiling blunders v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "617d5afc928da32028c6f681a0ce792de9e12590bf37ceb793dd96a757718f76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "617d5afc928da32028c6f681a0ce792de9e12590bf37ceb793dd96a757718f76", kill_on_drop: false }`
[INFO] [stdout] 617d5afc928da32028c6f681a0ce792de9e12590bf37ceb793dd96a757718f76
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0ad83c19669e676601f582c9d972052f6de6bb87dfb77ee97dbfe557b1090eb3
[INFO] running `Command { std: "docker" "start" "-a" "0ad83c19669e676601f582c9d972052f6de6bb87dfb77ee97dbfe557b1090eb3", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/blunders-b3e200cfc0371945)
[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" "0ad83c19669e676601f582c9d972052f6de6bb87dfb77ee97dbfe557b1090eb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ad83c19669e676601f582c9d972052f6de6bb87dfb77ee97dbfe557b1090eb3", kill_on_drop: false }`
[INFO] [stdout] 0ad83c19669e676601f582c9d972052f6de6bb87dfb77ee97dbfe557b1090eb3