[INFO] fetching crate message-io 0.5.1...
[INFO] testing message-io-0.5.1 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate message-io 0.5.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate message-io 0.5.1 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 message-io 0.5.1
[INFO] finished tweaking crates.io crate message-io 0.5.1
[INFO] tweaked toml for crates.io crate message-io 0.5.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate message-io 0.5.1 already has a lockfile, it will not be regenerated
[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 mio v0.7.5
[INFO] [stderr]   Downloaded serde-big-array v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 11cd6c7c3609db2c0dfd91017d52d240958483f0195330fd86dbc3bd67085cfa
[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" "11cd6c7c3609db2c0dfd91017d52d240958483f0195330fd86dbc3bd67085cfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "11cd6c7c3609db2c0dfd91017d52d240958483f0195330fd86dbc3bd67085cfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11cd6c7c3609db2c0dfd91017d52d240958483f0195330fd86dbc3bd67085cfa", kill_on_drop: false }`
[INFO] [stdout] 11cd6c7c3609db2c0dfd91017d52d240958483f0195330fd86dbc3bd67085cfa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 77c4906220609ddaadc0f122be55df82883930ffbd877d16eb76bd42c6e3746b
[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" "77c4906220609ddaadc0f122be55df82883930ffbd877d16eb76bd42c6e3746b", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling mio v0.7.5
[INFO] [stderr]    Compiling net2 v0.2.35
[INFO] [stderr]    Compiling bincode v1.3.1
[INFO] [stderr]    Compiling message-io v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.48s
[INFO] running `Command { std: "docker" "inspect" "77c4906220609ddaadc0f122be55df82883930ffbd877d16eb76bd42c6e3746b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77c4906220609ddaadc0f122be55df82883930ffbd877d16eb76bd42c6e3746b", kill_on_drop: false }`
[INFO] [stdout] 77c4906220609ddaadc0f122be55df82883930ffbd877d16eb76bd42c6e3746b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2d1d9d4771f7ec41430bc1aa4118bca57d7b7ed46dbda02980cd133db5fa6724
[INFO] running `Command { std: "docker" "start" "-a" "2d1d9d4771f7ec41430bc1aa4118bca57d7b7ed46dbda02980cd133db5fa6724", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling const_fn v0.4.3
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling regex-syntax v0.6.21
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling serde_cbor v0.11.1
[INFO] [stderr]    Compiling serde-big-array v0.3.0
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling bstr v0.2.14
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.1
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]    Compiling tinytemplate v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling plotters v0.2.15
[INFO] [stderr]    Compiling csv v1.1.5
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling criterion v0.3.3
[INFO] [stderr]    Compiling message-io v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1m 03s
[INFO] running `Command { std: "docker" "inspect" "2d1d9d4771f7ec41430bc1aa4118bca57d7b7ed46dbda02980cd133db5fa6724", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d1d9d4771f7ec41430bc1aa4118bca57d7b7ed46dbda02980cd133db5fa6724", kill_on_drop: false }`
[INFO] [stdout] 2d1d9d4771f7ec41430bc1aa4118bca57d7b7ed46dbda02980cd133db5fa6724
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] fccaec6e5b8ef9840813c45aec30e82bb2245435ea62785054f2edf6c22ef9c1
[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" "fccaec6e5b8ef9840813c45aec30e82bb2245435ea62785054f2edf6c22ef9c1", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/message_io-72e9415c7018782d
[INFO] [stdout] running 13 tests
[INFO] [stdout] test encoding::tests::decode_len_less_than_padding ... ok
[INFO] [stdout] test encoding::tests::decode_two_messages_in_two_parts ... ok
[INFO] [stdout] test encoding::tests::fast_decode_multiple_messages ... ok
[INFO] [stdout] test encoding::tests::fast_decode_one_message ... ok
[INFO] [stdout] test encoding::tests::decode_one_message_in_two_parts ... ok
[INFO] [stdout] test events::tests::priority_events_order ... ok
[INFO] [stdout] test encoding::tests::decode_one_message ... ok
[INFO] [stdout] test encoding::tests::encode_one_message ... ok
[INFO] [stdout] test events::tests::standard_events_order ... ok
[INFO] [stdout] test events::tests::waiting_timer_event ... ok
[INFO] [stdout] test events::tests::default_and_timer_events_order ... ok
[INFO] [stdout] test events::tests::timer_events_order ... ok
[INFO] [stdout] test events::tests::priority_and_timer_events_order ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.20s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/basic_functionality-ba7c06878d9ff60c
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test disconnection ... ok
[INFO] [stdout] test simple_data_by_udp ... ok
[INFO] [stdout] test simple_connection_data_disconnection_by_tcp ... ok
[INFO] [stdout] test max_udp_size_message ... ok
[INFO] [stderr]    Doc-tests message-io
[INFO] [stdout] test long_tcp_message ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.80s
[INFO] [stdout] 
[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" "fccaec6e5b8ef9840813c45aec30e82bb2245435ea62785054f2edf6c22ef9c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fccaec6e5b8ef9840813c45aec30e82bb2245435ea62785054f2edf6c22ef9c1", kill_on_drop: false }`
[INFO] [stdout] fccaec6e5b8ef9840813c45aec30e82bb2245435ea62785054f2edf6c22ef9c1