[INFO] fetching crate multistream-batch 1.1.0...
[INFO] testing multistream-batch-1.1.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate multistream-batch 1.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate multistream-batch 1.1.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate multistream-batch 1.1.0
[INFO] finished tweaking crates.io crate multistream-batch 1.1.0
[INFO] tweaked toml for crates.io crate multistream-batch 1.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded assert_matches v1.4.0
[INFO] [stderr]   Downloaded crossbeam-channel v0.3.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f504ff50dce394724279f7bb6173510ffbb53b0f9b04202d3f4ebd9c0013d8ed
[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" "f504ff50dce394724279f7bb6173510ffbb53b0f9b04202d3f4ebd9c0013d8ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f504ff50dce394724279f7bb6173510ffbb53b0f9b04202d3f4ebd9c0013d8ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f504ff50dce394724279f7bb6173510ffbb53b0f9b04202d3f4ebd9c0013d8ed", kill_on_drop: false }`
[INFO] [stdout] f504ff50dce394724279f7bb6173510ffbb53b0f9b04202d3f4ebd9c0013d8ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 605f5da9736e7ad572b3028ca8b595524b90e5c11488420e48ee0eb012821d63
[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" "605f5da9736e7ad572b3028ca8b595524b90e5c11488420e48ee0eb012821d63", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling multistream-batch v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.17s
[INFO] running `Command { std: "docker" "inspect" "605f5da9736e7ad572b3028ca8b595524b90e5c11488420e48ee0eb012821d63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "605f5da9736e7ad572b3028ca8b595524b90e5c11488420e48ee0eb012821d63", kill_on_drop: false }`
[INFO] [stdout] 605f5da9736e7ad572b3028ca8b595524b90e5c11488420e48ee0eb012821d63
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 656521ac5cb9bb1a7b8ba5b3d14ab3d5edf14cd4d1b9a94ca7600f220dd06311
[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" "656521ac5cb9bb1a7b8ba5b3d14ab3d5edf14cd4d1b9a94ca7600f220dd06311", kill_on_drop: false }`
[INFO] [stderr]    Compiling multistream-batch v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.65s
[INFO] running `Command { std: "docker" "inspect" "656521ac5cb9bb1a7b8ba5b3d14ab3d5edf14cd4d1b9a94ca7600f220dd06311", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "656521ac5cb9bb1a7b8ba5b3d14ab3d5edf14cd4d1b9a94ca7600f220dd06311", kill_on_drop: false }`
[INFO] [stdout] 656521ac5cb9bb1a7b8ba5b3d14ab3d5edf14cd4d1b9a94ca7600f220dd06311
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e2c5ce6b7f001c3ff67aff3d9c5ebfad91f6a33905718385f09d624461e8b97b
[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" "e2c5ce6b7f001c3ff67aff3d9c5ebfad91f6a33905718385f09d624461e8b97b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/multistream_batch-ff9c8d960d5bf314
[INFO] [stdout] 
[INFO] [stdout] running 29 tests
[INFO] [stdout] test buf_batch::tests::test_batch_poll ... ok
[INFO] [stdout] test buf_batch::tests::test_batch_max_size ... ok
[INFO] [stdout] test buf_batch::tests::test_drain_stream ... 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::buf_batch::tests::test_batch_command_complete ... ok
[INFO] [stdout] test channel::multi_buf_batch::tests::test_batch_drain ... ok
[INFO] [stdout] test channel::buf_batch::tests::test_drain_to_end ... ok
[INFO] [stdout] test channel::multi_buf_batch::tests::test_batch_max_size ... ok
[INFO] [stdout] test channel::tx_buf_batch::tests::test_pop ... ok
[INFO] [stdout] test channel::tx_buf_batch::tests::test_drain_to_end ... ok
[INFO] [stdout] test channel::multi_buf_batch::tests::test_batch_disconnected ... ok
[INFO] [stdout] test multi_buf_batch::tests::test_batch_max_size ... ok
[INFO] [stdout] test multi_buf_batch::tests::test_batch_poll ... ok
[INFO] [stdout] test channel::tx_buf_batch::tests::test_batch_command_complete ... ok
[INFO] [stdout] test channel::tx_buf_batch::tests::test_batch_retry ... ok
[INFO] [stdout] test channel::multi_buf_batch::tests::test_batch_with_producer_thread ... ok
[INFO] [stdout] test multi_buf_batch::tests::test_flush ... 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 multi_buf_batch::tests::test_drain_stream ... 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 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::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 10.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/channel/tx_buf_batch.rs - channel::tx_buf_batch (line 7) ... ok
[INFO] [stdout] test src/channel/buf_batch.rs - channel::buf_batch (line 8) ... ok
[INFO] [stdout] test src/channel/multi_buf_batch.rs - channel::multi_buf_batch (line 8) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.53s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e2c5ce6b7f001c3ff67aff3d9c5ebfad91f6a33905718385f09d624461e8b97b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2c5ce6b7f001c3ff67aff3d9c5ebfad91f6a33905718385f09d624461e8b97b", kill_on_drop: false }`
[INFO] [stdout] e2c5ce6b7f001c3ff67aff3d9c5ebfad91f6a33905718385f09d624461e8b97b