[INFO] fetching crate sync-slab 0.0.0...
[INFO] testing sync-slab-0.0.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate sync-slab 0.0.0 into /workspace/builds/worker-51/source
[INFO] validating manifest of crates.io crate sync-slab 0.0.0 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 sync-slab 0.0.0
[INFO] finished tweaking crates.io crate sync-slab 0.0.0
[INFO] tweaked toml for crates.io crate sync-slab 0.0.0 written to /workspace/builds/worker-51/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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] 2455a06ed92576db0aa3656574822179cb93f60c1b4559b452a0b258930c78ab
[INFO] running `Command { std: "docker" "start" "-a" "2455a06ed92576db0aa3656574822179cb93f60c1b4559b452a0b258930c78ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2455a06ed92576db0aa3656574822179cb93f60c1b4559b452a0b258930c78ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2455a06ed92576db0aa3656574822179cb93f60c1b4559b452a0b258930c78ab", kill_on_drop: false }`
[INFO] [stdout] 2455a06ed92576db0aa3656574822179cb93f60c1b4559b452a0b258930c78ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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] de28c1f65f1e133ef3518f6acac8e986fc4a98eb62245ca9a3de3388f0fb673f
[INFO] running `Command { std: "docker" "start" "-a" "de28c1f65f1e133ef3518f6acac8e986fc4a98eb62245ca9a3de3388f0fb673f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling sync-slab v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "de28c1f65f1e133ef3518f6acac8e986fc4a98eb62245ca9a3de3388f0fb673f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de28c1f65f1e133ef3518f6acac8e986fc4a98eb62245ca9a3de3388f0fb673f", kill_on_drop: false }`
[INFO] [stdout] de28c1f65f1e133ef3518f6acac8e986fc4a98eb62245ca9a3de3388f0fb673f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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] 4f3ee3a6408064bb25fcdcc92fb9c614e0b89a82ae5f1652e5821e2c64962a4b
[INFO] running `Command { std: "docker" "start" "-a" "4f3ee3a6408064bb25fcdcc92fb9c614e0b89a82ae5f1652e5821e2c64962a4b", kill_on_drop: false }`
[INFO] [stderr]    Compiling sync-slab v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "4f3ee3a6408064bb25fcdcc92fb9c614e0b89a82ae5f1652e5821e2c64962a4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f3ee3a6408064bb25fcdcc92fb9c614e0b89a82ae5f1652e5821e2c64962a4b", kill_on_drop: false }`
[INFO] [stdout] 4f3ee3a6408064bb25fcdcc92fb9c614e0b89a82ae5f1652e5821e2c64962a4b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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] aec5b87ac162bf474ca44cbb87de716e85486c362efca514d98559dfdf0b28e4
[INFO] running `Command { std: "docker" "start" "-a" "aec5b87ac162bf474ca44cbb87de716e85486c362efca514d98559dfdf0b28e4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/sync_slab-d1ae3b0bdf056433)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests sync-slab
[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" "aec5b87ac162bf474ca44cbb87de716e85486c362efca514d98559dfdf0b28e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aec5b87ac162bf474ca44cbb87de716e85486c362efca514d98559dfdf0b28e4", kill_on_drop: false }`
[INFO] [stdout] aec5b87ac162bf474ca44cbb87de716e85486c362efca514d98559dfdf0b28e4