[INFO] fetching crate batching-queue 0.1.0...
[INFO] testing batching-queue-0.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate batching-queue 0.1.0 into /workspace/builds/worker-59/source
[INFO] validating manifest of crates.io crate batching-queue 0.1.0 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 batching-queue 0.1.0
[INFO] finished tweaking crates.io crate batching-queue 0.1.0
[INFO] tweaked toml for crates.io crate batching-queue 0.1.0 written to /workspace/builds/worker-59/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-59/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/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] c49b52d4a31c9c8f362879dbb89511aa85a1e1d250f28163aacc04b4580234d4
[INFO] running `Command { std: "docker" "start" "-a" "c49b52d4a31c9c8f362879dbb89511aa85a1e1d250f28163aacc04b4580234d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c49b52d4a31c9c8f362879dbb89511aa85a1e1d250f28163aacc04b4580234d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c49b52d4a31c9c8f362879dbb89511aa85a1e1d250f28163aacc04b4580234d4", kill_on_drop: false }`
[INFO] [stdout] c49b52d4a31c9c8f362879dbb89511aa85a1e1d250f28163aacc04b4580234d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/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] e110ec1dbaa4a2df3c0c061413e53aa0ca41a95afefe6cb74077ee4894b11803
[INFO] running `Command { std: "docker" "start" "-a" "e110ec1dbaa4a2df3c0c061413e53aa0ca41a95afefe6cb74077ee4894b11803", kill_on_drop: false }`
[INFO] [stderr]    Compiling batching-queue v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.58s
[INFO] running `Command { std: "docker" "inspect" "e110ec1dbaa4a2df3c0c061413e53aa0ca41a95afefe6cb74077ee4894b11803", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e110ec1dbaa4a2df3c0c061413e53aa0ca41a95afefe6cb74077ee4894b11803", kill_on_drop: false }`
[INFO] [stdout] e110ec1dbaa4a2df3c0c061413e53aa0ca41a95afefe6cb74077ee4894b11803
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/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] c3836afd18751e8509c1331c04fed8f4c7de76408227778e7b9ca204da027da3
[INFO] running `Command { std: "docker" "start" "-a" "c3836afd18751e8509c1331c04fed8f4c7de76408227778e7b9ca204da027da3", kill_on_drop: false }`
[INFO] [stderr]    Compiling batching-queue v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `Command { std: "docker" "inspect" "c3836afd18751e8509c1331c04fed8f4c7de76408227778e7b9ca204da027da3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3836afd18751e8509c1331c04fed8f4c7de76408227778e7b9ca204da027da3", kill_on_drop: false }`
[INFO] [stdout] c3836afd18751e8509c1331c04fed8f4c7de76408227778e7b9ca204da027da3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/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] 23771e36a6d0eee385dad00baaf9872ae072c7185bf7a7ce47f14c5a85bf6a10
[INFO] running `Command { std: "docker" "start" "-a" "23771e36a6d0eee385dad00baaf9872ae072c7185bf7a7ce47f14c5a85bf6a10", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/batching_queue-d9aeacedf9cc20a7)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests batching-queue
[INFO] [stdout] test tests::grouping ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/lib.rs - Groupable (line 19) ... ok
[INFO] [stdout] test src/lib.rs - Queue<T>::new (line 199) ... ok
[INFO] [stdout] test src/lib.rs - Queue<T>::pop_group (line 439) ... ok
[INFO] [stdout] test src/lib.rs - Queue<T>::pop (line 372) ... ok
[INFO] [stdout] test src/lib.rs - Queue<T>::is_empty (line 231) ... ok
[INFO] [stdout] test src/lib.rs - Queue<T>::push (line 260) ... ok
[INFO] [stdout] test src/lib.rs - Queue (line 63) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.06s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "23771e36a6d0eee385dad00baaf9872ae072c7185bf7a7ce47f14c5a85bf6a10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23771e36a6d0eee385dad00baaf9872ae072c7185bf7a7ce47f14c5a85bf6a10", kill_on_drop: false }`
[INFO] [stdout] 23771e36a6d0eee385dad00baaf9872ae072c7185bf7a7ce47f14c5a85bf6a10