[INFO] fetching crate multistream-batch 1.2.0...
[INFO] testing multistream-batch-1.2.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate multistream-batch 1.2.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate multistream-batch 1.2.0 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 multistream-batch 1.2.0
[INFO] finished tweaking crates.io crate multistream-batch 1.2.0
[INFO] tweaked toml for crates.io crate multistream-batch 1.2.0 written to /workspace/builds/worker-2/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-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 565eede551658a8cfff1f612f4b3ee4b551e22d28b72304fd5f27dd55cfd450b
[INFO] running `Command { std: "docker" "start" "-a" "565eede551658a8cfff1f612f4b3ee4b551e22d28b72304fd5f27dd55cfd450b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "565eede551658a8cfff1f612f4b3ee4b551e22d28b72304fd5f27dd55cfd450b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "565eede551658a8cfff1f612f4b3ee4b551e22d28b72304fd5f27dd55cfd450b", kill_on_drop: false }`
[INFO] [stdout] 565eede551658a8cfff1f612f4b3ee4b551e22d28b72304fd5f27dd55cfd450b
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2795060642a7b49a4e9972a3bf9e7ccce72627fd31abb0ab133c275452473651
[INFO] running `Command { std: "docker" "start" "-a" "2795060642a7b49a4e9972a3bf9e7ccce72627fd31abb0ab133c275452473651", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling linked-hash-map v0.5.4
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling multistream-batch v1.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.14s
[INFO] running `Command { std: "docker" "inspect" "2795060642a7b49a4e9972a3bf9e7ccce72627fd31abb0ab133c275452473651", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2795060642a7b49a4e9972a3bf9e7ccce72627fd31abb0ab133c275452473651", kill_on_drop: false }`
[INFO] [stdout] 2795060642a7b49a4e9972a3bf9e7ccce72627fd31abb0ab133c275452473651
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2666b83109b9b1800e772fc46095ffb7937c0ae6812daf8d4a601945672b715f
[INFO] running `Command { std: "docker" "start" "-a" "2666b83109b9b1800e772fc46095ffb7937c0ae6812daf8d4a601945672b715f", kill_on_drop: false }`
[INFO] [stderr]    Compiling assert_matches v1.5.0
[INFO] [stderr]    Compiling multistream-batch v1.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.34s
[INFO] running `Command { std: "docker" "inspect" "2666b83109b9b1800e772fc46095ffb7937c0ae6812daf8d4a601945672b715f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2666b83109b9b1800e772fc46095ffb7937c0ae6812daf8d4a601945672b715f", kill_on_drop: false }`
[INFO] [stdout] 2666b83109b9b1800e772fc46095ffb7937c0ae6812daf8d4a601945672b715f
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9eab9676f1e3c592a0ef5268f1e325cdb65f273a1150bcf133849454e050c5e4
[INFO] running `Command { std: "docker" "start" "-a" "9eab9676f1e3c592a0ef5268f1e325cdb65f273a1150bcf133849454e050c5e4", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] running 29 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/multistream_batch-aedf3a7da8bde24e)
[INFO] [stdout] test buf_batch::tests::test_batch_poll ... ok
[INFO] [stdout] test buf_batch::tests::test_drain_stream ... ok
[INFO] [stdout] test buf_batch::tests::test_batch_max_size ... ok
[INFO] [stdout] test channel::multi_buf_batch::tests::test_batch_disconnected ... ok
[INFO] [stdout] test channel::buf_batch::tests::test_batch_max_size ... ok
[INFO] [stdout] test channel::buf_batch::tests::test_batch_with_producer_thread ... ok
[INFO] [stdout] test channel::multi_buf_batch::tests::test_batch_drain ... ok
[INFO] [stdout] test channel::tx_buf_batch::tests::test_batch_retry ... ok
[INFO] [stdout] test multi_buf_batch::tests::test_batch_max_size ... ok
[INFO] [stdout] test channel::tx_buf_batch::tests::test_batch_command_complete ... ok
[INFO] [stdout] test channel::multi_buf_batch::tests::test_batch_max_size ... ok
[INFO] [stdout] test channel::tx_buf_batch::tests::test_batch_disconnected ... ok
[INFO] [stdout] test channel::tx_buf_batch::tests::test_batch_with_producer_thread ... ok
[INFO] [stdout] test channel::tx_buf_batch::tests::test_drain_to_end ... ok
[INFO] [stdout] test channel::buf_batch::tests::test_drain_to_end ... ok
[INFO] [stdout] test multi_buf_batch::tests::test_batch_poll ... ok
[INFO] [stdout] test multi_buf_batch::tests::test_drain_stream ... ok
[INFO] [stdout] test channel::multi_buf_batch::tests::test_batch_with_producer_thread ... ok
[INFO] [stdout] test channel::buf_batch::tests::test_batch_command_complete ... ok
[INFO] [stdout] test multi_buf_batch::tests::test_flush ... ok
[INFO] [stdout] test channel::tx_buf_batch::tests::test_pop ... ok
[INFO] [stdout] test channel::buf_batch::tests::test_batch_disconnected ... ok
[INFO] [stdout] test buf_batch::tests::test_batch_max_duration ... ok
[INFO] [stdout] test channel::buf_batch::tests::test_batch_max_duration ... ok
[INFO] [stdout] test multi_buf_batch::tests::test_batch_max_duration ... ok
[INFO] [stdout] test channel::tx_buf_batch::tests::test_batch_max_duration ... ok
[INFO] [stdout] test channel::multi_buf_batch::tests::test_batch_max_duration ... ok
[INFO] [stdout] test channel::tx_buf_batch::tests::test_batch_empty ... ok
[INFO] [stderr]    Doc-tests multistream-batch
[INFO] [stdout] test channel::tx_buf_batch::tests::test_batch_commit ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 29 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 10.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/channel/multi_buf_batch.rs - channel::multi_buf_batch (line 8) ... ok
[INFO] [stdout] test src/channel/buf_batch.rs - channel::buf_batch (line 8) ... ok
[INFO] [stdout] test src/channel/tx_buf_batch.rs - channel::tx_buf_batch (line 7) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.22s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9eab9676f1e3c592a0ef5268f1e325cdb65f273a1150bcf133849454e050c5e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9eab9676f1e3c592a0ef5268f1e325cdb65f273a1150bcf133849454e050c5e4", kill_on_drop: false }`
[INFO] [stdout] 9eab9676f1e3c592a0ef5268f1e325cdb65f273a1150bcf133849454e050c5e4