[INFO] fetching crate multistream-batch 1.2.0...
[INFO] testing multistream-batch-1.2.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate multistream-batch 1.2.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate multistream-batch 1.2.0 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", 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] b8c3b526c4089d2a8c4a8f559ebcc62029f4aadf031c8ecf728f75924fed8736
[INFO] running `Command { std: "docker" "start" "-a" "b8c3b526c4089d2a8c4a8f559ebcc62029f4aadf031c8ecf728f75924fed8736", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b8c3b526c4089d2a8c4a8f559ebcc62029f4aadf031c8ecf728f75924fed8736", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8c3b526c4089d2a8c4a8f559ebcc62029f4aadf031c8ecf728f75924fed8736", kill_on_drop: false }`
[INFO] [stdout] b8c3b526c4089d2a8c4a8f559ebcc62029f4aadf031c8ecf728f75924fed8736
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c7dfd947a8bb63e622f84dff7a0e107b665e5f5ec5e86d8a88a8f959cc6bc252
[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" "c7dfd947a8bb63e622f84dff7a0e107b665e5f5ec5e86d8a88a8f959cc6bc252", kill_on_drop: false }`
[INFO] [stderr]    Compiling multistream-batch v1.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "c7dfd947a8bb63e622f84dff7a0e107b665e5f5ec5e86d8a88a8f959cc6bc252", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7dfd947a8bb63e622f84dff7a0e107b665e5f5ec5e86d8a88a8f959cc6bc252", kill_on_drop: false }`
[INFO] [stdout] c7dfd947a8bb63e622f84dff7a0e107b665e5f5ec5e86d8a88a8f959cc6bc252
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bcc83a93a550264e2c1f056a5ab983e9dd50e8032040d450022e10e84ee0736e
[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" "bcc83a93a550264e2c1f056a5ab983e9dd50e8032040d450022e10e84ee0736e", kill_on_drop: false }`
[INFO] [stderr]    Compiling multistream-batch v1.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.25s
[INFO] running `Command { std: "docker" "inspect" "bcc83a93a550264e2c1f056a5ab983e9dd50e8032040d450022e10e84ee0736e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcc83a93a550264e2c1f056a5ab983e9dd50e8032040d450022e10e84ee0736e", kill_on_drop: false }`
[INFO] [stdout] bcc83a93a550264e2c1f056a5ab983e9dd50e8032040d450022e10e84ee0736e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d357188cbd77fa38405983386de274a8682db54b6227614f8ace949d59a7aa90
[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" "d357188cbd77fa38405983386de274a8682db54b6227614f8ace949d59a7aa90", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 29 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/multistream_batch-d03f2b2a9c62d759)
[INFO] [stdout] test buf_batch::tests::test_batch_max_size ... ok
[INFO] [stdout] test buf_batch::tests::test_batch_poll ... ok
[INFO] [stdout] test channel::buf_batch::tests::test_batch_max_size ... ok
[INFO] [stdout] test channel::buf_batch::tests::test_drain_to_end ... ok
[INFO] [stdout] test channel::multi_buf_batch::tests::test_batch_disconnected ... ok
[INFO] [stdout] test channel::tx_buf_batch::tests::test_batch_retry ... ok
[INFO] [stdout] test buf_batch::tests::test_drain_stream ... ok
[INFO] [stdout] test channel::multi_buf_batch::tests::test_batch_max_size ... ok
[INFO] [stdout] test channel::multi_buf_batch::tests::test_batch_with_producer_thread ... ok
[INFO] [stdout] test channel::buf_batch::tests::test_batch_disconnected ... ok
[INFO] [stdout] test channel::tx_buf_batch::tests::test_drain_to_end ... ok
[INFO] [stdout] test multi_buf_batch::tests::test_batch_poll ... ok
[INFO] [stdout] test channel::tx_buf_batch::tests::test_pop ... ok
[INFO] [stdout] test multi_buf_batch::tests::test_flush ... ok
[INFO] [stdout] test channel::tx_buf_batch::tests::test_batch_command_complete ... ok
[INFO] [stdout] test channel::buf_batch::tests::test_batch_command_complete ... ok
[INFO] [stdout] test multi_buf_batch::tests::test_drain_stream ... ok
[INFO] [stdout] test channel::tx_buf_batch::tests::test_batch_disconnected ... ok
[INFO] [stdout] test multi_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::tx_buf_batch::tests::test_batch_with_producer_thread ... ok
[INFO] [stdout] test channel::multi_buf_batch::tests::test_batch_drain ... 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 channel::tx_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_empty ... ok
[INFO] [stdout] test channel::multi_buf_batch::tests::test_batch_max_duration ... 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/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] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.10s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d357188cbd77fa38405983386de274a8682db54b6227614f8ace949d59a7aa90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d357188cbd77fa38405983386de274a8682db54b6227614f8ace949d59a7aa90", kill_on_drop: false }`
[INFO] [stdout] d357188cbd77fa38405983386de274a8682db54b6227614f8ace949d59a7aa90