[INFO] fetching crate throttle 0.1.0...
[INFO] testing throttle-0.1.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate throttle 0.1.0 into /workspace/builds/worker-31/source
[INFO] validating manifest of crates.io crate throttle 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 throttle 0.1.0
[INFO] finished tweaking crates.io crate throttle 0.1.0
[INFO] tweaked toml for crates.io crate throttle 0.1.0 written to /workspace/builds/worker-31/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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] ffbdf165ea2f1e81d9088ddccace133226cb8d8b322850be2a480e65680b8537
[INFO] running `Command { std: "docker" "start" "-a" "ffbdf165ea2f1e81d9088ddccace133226cb8d8b322850be2a480e65680b8537", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ffbdf165ea2f1e81d9088ddccace133226cb8d8b322850be2a480e65680b8537", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffbdf165ea2f1e81d9088ddccace133226cb8d8b322850be2a480e65680b8537", kill_on_drop: false }`
[INFO] [stdout] ffbdf165ea2f1e81d9088ddccace133226cb8d8b322850be2a480e65680b8537
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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] af0ab286201f3d42b260d55068b0e650ef118d3d81884c6d82f5a5722b0b911b
[INFO] running `Command { std: "docker" "start" "-a" "af0ab286201f3d42b260d55068b0e650ef118d3d81884c6d82f5a5722b0b911b", kill_on_drop: false }`
[INFO] [stderr]    Compiling throttle v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.54s
[INFO] running `Command { std: "docker" "inspect" "af0ab286201f3d42b260d55068b0e650ef118d3d81884c6d82f5a5722b0b911b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af0ab286201f3d42b260d55068b0e650ef118d3d81884c6d82f5a5722b0b911b", kill_on_drop: false }`
[INFO] [stdout] af0ab286201f3d42b260d55068b0e650ef118d3d81884c6d82f5a5722b0b911b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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] c66a04c15e4e4cbbbf64119c98210c01f57081f3ea024192258da9ab3ad4bc60
[INFO] running `Command { std: "docker" "start" "-a" "c66a04c15e4e4cbbbf64119c98210c01f57081f3ea024192258da9ab3ad4bc60", kill_on_drop: false }`
[INFO] [stderr]    Compiling throttle v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "c66a04c15e4e4cbbbf64119c98210c01f57081f3ea024192258da9ab3ad4bc60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c66a04c15e4e4cbbbf64119c98210c01f57081f3ea024192258da9ab3ad4bc60", kill_on_drop: false }`
[INFO] [stdout] c66a04c15e4e4cbbbf64119c98210c01f57081f3ea024192258da9ab3ad4bc60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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] 4167c55f9ce7e58c29c858359ee4868b333446c847e25c08ca1abc7c2d1f7f4d
[INFO] running `Command { std: "docker" "start" "-a" "4167c55f9ce7e58c29c858359ee4868b333446c847e25c08ca1abc7c2d1f7f4d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/throttle-ce6af339df0e4dc3)
[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] [stderr]    Doc-tests throttle
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - Throttle (line 21) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.74s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4167c55f9ce7e58c29c858359ee4868b333446c847e25c08ca1abc7c2d1f7f4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4167c55f9ce7e58c29c858359ee4868b333446c847e25c08ca1abc7c2d1f7f4d", kill_on_drop: false }`
[INFO] [stdout] 4167c55f9ce7e58c29c858359ee4868b333446c847e25c08ca1abc7c2d1f7f4d