[INFO] fetching crate mirai 0.0.4...
[INFO] testing mirai-0.0.4 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate mirai 0.0.4 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate mirai 0.0.4 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 mirai 0.0.4
[INFO] finished tweaking crates.io crate mirai 0.0.4
[INFO] tweaked toml for crates.io crate mirai 0.0.4 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 sharded-slab v0.1.0
[INFO] [stderr]   Downloaded smallvec v1.6.0
[INFO] [stderr]   Downloaded loom v0.3.6
[INFO] [stderr]   Downloaded tracing-log v0.1.1
[INFO] [stderr]   Downloaded tracing-subscriber v0.2.15
[INFO] [stderr]   Downloaded matchers v0.0.1
[INFO] [stderr]   Downloaded scoped-tls v1.0.0
[INFO] [stderr]   Downloaded tracing-serde v0.1.2
[INFO] [stderr]   Downloaded generator v0.6.23
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fb84fb9e0c43ca345ad28e7a534126df907593d31be25ad3e6e5264d1e89a14c
[INFO] running `Command { std: "docker" "start" "-a" "fb84fb9e0c43ca345ad28e7a534126df907593d31be25ad3e6e5264d1e89a14c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fb84fb9e0c43ca345ad28e7a534126df907593d31be25ad3e6e5264d1e89a14c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb84fb9e0c43ca345ad28e7a534126df907593d31be25ad3e6e5264d1e89a14c", kill_on_drop: false }`
[INFO] [stdout] fb84fb9e0c43ca345ad28e7a534126df907593d31be25ad3e6e5264d1e89a14c
[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] 6150c98708cbb2f5e5ef542248be2276d2eb0741fde1b9eb0bda82f15cdaa316
[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" "6150c98708cbb2f5e5ef542248be2276d2eb0741fde1b9eb0bda82f15cdaa316", kill_on_drop: false }`
[INFO] [stderr]    Compiling tracing-core v0.1.17
[INFO] [stderr]    Compiling mio v0.7.7
[INFO] [stderr]    Compiling futures-executor v0.3.8
[INFO] [stderr]    Compiling futures v0.3.8
[INFO] [stderr]    Compiling tracing v0.1.22
[INFO] [stderr]    Compiling mirai v0.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.04s
[INFO] running `Command { std: "docker" "inspect" "6150c98708cbb2f5e5ef542248be2276d2eb0741fde1b9eb0bda82f15cdaa316", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6150c98708cbb2f5e5ef542248be2276d2eb0741fde1b9eb0bda82f15cdaa316", kill_on_drop: false }`
[INFO] [stdout] 6150c98708cbb2f5e5ef542248be2276d2eb0741fde1b9eb0bda82f15cdaa316
[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] 99e671d95662f84a3938f7b00ff8c3e80a3254a0a23f72dd9b64923bb52588ea
[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" "99e671d95662f84a3938f7b00ff8c3e80a3254a0a23f72dd9b64923bb52588ea", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling sharded-slab v0.1.0
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]    Compiling tracing-log v0.1.1
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling tracing-serde v0.1.2
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling matchers v0.0.1
[INFO] [stderr]    Compiling tracing-subscriber v0.2.15
[INFO] [stderr]    Compiling mirai v0.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 16.77s
[INFO] running `Command { std: "docker" "inspect" "99e671d95662f84a3938f7b00ff8c3e80a3254a0a23f72dd9b64923bb52588ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99e671d95662f84a3938f7b00ff8c3e80a3254a0a23f72dd9b64923bb52588ea", kill_on_drop: false }`
[INFO] [stdout] 99e671d95662f84a3938f7b00ff8c3e80a3254a0a23f72dd9b64923bb52588ea
[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] bfdc9b484a8b62e7a408e4b842d7adc6fbf95a31add6e3661ed5f91cc728e74b
[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" "bfdc9b484a8b62e7a408e4b842d7adc6fbf95a31add6e3661ed5f91cc728e74b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mirai-2fc8cefaefd3d610
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::recycle_token ... ok
[INFO] [stdout] Jan 05 01:20:25.930  INFO mirai::tcp::tests: Preparing test
[INFO] [stdout] Jan 05 01:20:25.932  INFO mirai::tcp::tests: Binding TcpListenerStream
[INFO] [stdout] Jan 05 01:20:25.932  INFO mirai::tcp::tests: Starting reactor
[INFO] [stdout] Jan 05 01:20:25.932 TRACE mirai::tcp: Poll write would block, returning pending
[INFO] [stdout] Jan 05 01:20:25.932  INFO mirai::tcp::tests: Connecting to server
[INFO] [stdout] Jan 05 01:20:25.932  INFO mirai::tcp::tests: Splitting remote
[INFO] [stdout] Jan 05 01:20:25.932  INFO mirai::tcp::tests: Blocking on recv connection
[INFO] [stdout] Jan 05 01:20:25.932  INFO mirai::tcp::tests: Splitting local
[INFO] [stdout] Jan 05 01:20:25.932  INFO mirai::tcp::tests: Blocking on Send
[INFO] [stdout] Jan 05 01:20:25.932  INFO mirai::tcp::tests: Blocking on Recv
[INFO] [stdout] Jan 05 01:20:25.933  INFO mirai::tcp::tests: recv_buffer.len(): 24
[INFO] [stdout] Jan 05 01:20:25.931  INFO mirai::udp::tests: Preparing test
[INFO] [stdout] Jan 05 01:20:25.933  INFO mirai::udp::tests: Binding UdpSockets
[INFO] [stdout] Jan 05 01:20:25.933  INFO mirai::udp::tests: Starting reactor
[INFO] [stdout] Jan 05 01:20:25.933  INFO mirai::udp::tests: Blocking on Send
[INFO] [stdout] Jan 05 01:20:25.934  INFO mirai::udp::tests: Blocking on Recv
[INFO] [stdout] test tcp::tests::can_await_connections ... ok
[INFO] [stdout] test tcp::tests::can_await_send_and_recv ... ok
[INFO] [stdout] test udp::tests::can_await_send_and_recv ... ok
[INFO] [stdout] Jan 05 01:20:25.931  INFO mirai::udp::tests: Preparing test
[INFO] [stdout] Jan 05 01:20:25.939  INFO mirai::udp::tests: Binding UdpSockets
[INFO] [stdout] Jan 05 01:20:25.939  INFO mirai::udp::tests: Starting reactor
[INFO] [stdout] Jan 05 01:20:25.940  INFO mirai::udp::tests: Blocking on Send
[INFO] [stdout] Jan 05 01:20:25.940  INFO mirai::udp::tests: Blocking on Recv
[INFO] [stdout] test udp::tests::can_await_send_to_and_recv_from ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mirai
[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" "bfdc9b484a8b62e7a408e4b842d7adc6fbf95a31add6e3661ed5f91cc728e74b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfdc9b484a8b62e7a408e4b842d7adc6fbf95a31add6e3661ed5f91cc728e74b", kill_on_drop: false }`
[INFO] [stdout] bfdc9b484a8b62e7a408e4b842d7adc6fbf95a31add6e3661ed5f91cc728e74b