[INFO] fetching crate futures-batch 0.6.0...
[INFO] testing futures-batch-0.6.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate futures-batch 0.6.0 into /workspace/builds/worker-26/source
[INFO] validating manifest of crates.io crate futures-batch 0.6.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate futures-batch 0.6.0
[INFO] finished tweaking crates.io crate futures-batch 0.6.0
[INFO] tweaked toml for crates.io crate futures-batch 0.6.0 written to /workspace/builds/worker-26/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2b37b0fa8862d5d6dc1fe9f08e9bb74b820f583a477e0b1795b983c296fd4519
[INFO] running `Command { std: "docker" "start" "-a" "2b37b0fa8862d5d6dc1fe9f08e9bb74b820f583a477e0b1795b983c296fd4519", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b37b0fa8862d5d6dc1fe9f08e9bb74b820f583a477e0b1795b983c296fd4519", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b37b0fa8862d5d6dc1fe9f08e9bb74b820f583a477e0b1795b983c296fd4519", kill_on_drop: false }`
[INFO] [stdout] 2b37b0fa8862d5d6dc1fe9f08e9bb74b820f583a477e0b1795b983c296fd4519
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 29e6a34ba62c0cff75d7c89503bab0508f8c391e2680b53151cc003a52593812
[INFO] running `Command { std: "docker" "start" "-a" "29e6a34ba62c0cff75d7c89503bab0508f8c391e2680b53151cc003a52593812", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling futures-timer v2.0.2
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling futures-executor v0.3.17
[INFO] [stderr]    Compiling futures v0.3.17
[INFO] [stderr]    Compiling futures-batch v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.62s
[INFO] running `Command { std: "docker" "inspect" "29e6a34ba62c0cff75d7c89503bab0508f8c391e2680b53151cc003a52593812", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29e6a34ba62c0cff75d7c89503bab0508f8c391e2680b53151cc003a52593812", kill_on_drop: false }`
[INFO] [stdout] 29e6a34ba62c0cff75d7c89503bab0508f8c391e2680b53151cc003a52593812
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 305816652e90c0662276db8b48fa1f0e428da969cbb29cd2b5463525685d1ac3
[INFO] running `Command { std: "docker" "start" "-a" "305816652e90c0662276db8b48fa1f0e428da969cbb29cd2b5463525685d1ac3", kill_on_drop: false }`
[INFO] [stderr]    Compiling pin-project-lite v0.1.12
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling tokio v0.2.25
[INFO] [stderr]    Compiling futures-batch v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.34s
[INFO] running `Command { std: "docker" "inspect" "305816652e90c0662276db8b48fa1f0e428da969cbb29cd2b5463525685d1ac3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "305816652e90c0662276db8b48fa1f0e428da969cbb29cd2b5463525685d1ac3", kill_on_drop: false }`
[INFO] [stdout] 305816652e90c0662276db8b48fa1f0e428da969cbb29cd2b5463525685d1ac3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f53486d8c521d4e04c8aee0c14ffe3ec6937d58185eb4239915ca454d2ed0eeb
[INFO] running `Command { std: "docker" "start" "-a" "f53486d8c521d4e04c8aee0c14ffe3ec6937d58185eb4239915ca454d2ed0eeb", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/futures_batch-d0ab4e106f4d4303)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::message_chunks ... ok
[INFO] [stdout] test tests::messages_pass_through ... ok
[INFO] [stdout] test tests::message_early_exit ... ok
[INFO] [stdout] test tests::message_timeout ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.30s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests futures-batch
[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" "f53486d8c521d4e04c8aee0c14ffe3ec6937d58185eb4239915ca454d2ed0eeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f53486d8c521d4e04c8aee0c14ffe3ec6937d58185eb4239915ca454d2ed0eeb", kill_on_drop: false }`
[INFO] [stdout] f53486d8c521d4e04c8aee0c14ffe3ec6937d58185eb4239915ca454d2ed0eeb