[INFO] fetching crate countdown_latch 0.1.1...
[INFO] testing countdown_latch-0.1.1 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate countdown_latch 0.1.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate countdown_latch 0.1.1 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 countdown_latch 0.1.1
[INFO] finished tweaking crates.io crate countdown_latch 0.1.1
[INFO] tweaked toml for crates.io crate countdown_latch 0.1.1 written to /workspace/builds/worker-2/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] 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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 445b019bb04ce64175327689dd5edbe7442e6095a58c765644bde41ea6b9fe30
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "445b019bb04ce64175327689dd5edbe7442e6095a58c765644bde41ea6b9fe30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "445b019bb04ce64175327689dd5edbe7442e6095a58c765644bde41ea6b9fe30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "445b019bb04ce64175327689dd5edbe7442e6095a58c765644bde41ea6b9fe30", kill_on_drop: false }`
[INFO] [stdout] 445b019bb04ce64175327689dd5edbe7442e6095a58c765644bde41ea6b9fe30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5467f5012f722b409288d6c060e392a21005a5313d599940f46a483e2e5b1de1
[INFO] running `Command { std: "docker" "start" "-a" "5467f5012f722b409288d6c060e392a21005a5313d599940f46a483e2e5b1de1", kill_on_drop: false }`
[INFO] [stderr]    Compiling countdown_latch v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "5467f5012f722b409288d6c060e392a21005a5313d599940f46a483e2e5b1de1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5467f5012f722b409288d6c060e392a21005a5313d599940f46a483e2e5b1de1", kill_on_drop: false }`
[INFO] [stdout] 5467f5012f722b409288d6c060e392a21005a5313d599940f46a483e2e5b1de1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d5684c5e9596e803b18fb5ca8b2e31ff88250acd81170d4bc7be99b6586c9201
[INFO] running `Command { std: "docker" "start" "-a" "d5684c5e9596e803b18fb5ca8b2e31ff88250acd81170d4bc7be99b6586c9201", kill_on_drop: false }`
[INFO] [stderr]    Compiling countdown_latch v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `Command { std: "docker" "inspect" "d5684c5e9596e803b18fb5ca8b2e31ff88250acd81170d4bc7be99b6586c9201", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5684c5e9596e803b18fb5ca8b2e31ff88250acd81170d4bc7be99b6586c9201", kill_on_drop: false }`
[INFO] [stdout] d5684c5e9596e803b18fb5ca8b2e31ff88250acd81170d4bc7be99b6586c9201
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] b5cc777d7a61c1d1cdc5cece16a27cc6d177816632f4b6a24ed07b4430f5a3f4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b5cc777d7a61c1d1cdc5cece16a27cc6d177816632f4b6a24ed07b4430f5a3f4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/countdown_latch-63834bc7bbabaf06)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::tests::one_thread_await ... ok
[INFO] [stdout] test tests::tests::multi_thread_await ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.41s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests countdown_latch
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 7) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.81s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b5cc777d7a61c1d1cdc5cece16a27cc6d177816632f4b6a24ed07b4430f5a3f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5cc777d7a61c1d1cdc5cece16a27cc6d177816632f4b6a24ed07b4430f5a3f4", kill_on_drop: false }`
[INFO] [stdout] b5cc777d7a61c1d1cdc5cece16a27cc6d177816632f4b6a24ed07b4430f5a3f4