[INFO] fetching crate mqtt-protocol 0.10.0...
[INFO] testing mqtt-protocol-0.10.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate mqtt-protocol 0.10.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate mqtt-protocol 0.10.0 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 mqtt-protocol 0.10.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate mqtt-protocol 0.10.0
[INFO] tweaked toml for crates.io crate mqtt-protocol 0.10.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate mqtt-protocol 0.10.0 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 futures-channel v0.3.6
[INFO] [stderr]   Downloaded futures-executor v0.3.6
[INFO] [stderr]   Downloaded futures-macro v0.3.6
[INFO] [stderr]   Downloaded ntapi v0.3.4
[INFO] [stderr]   Downloaded futures v0.3.6
[INFO] [stderr]   Downloaded syn v1.0.45
[INFO] [stderr]   Downloaded futures-core v0.3.6
[INFO] [stderr]   Downloaded futures-io v0.3.6
[INFO] [stderr]   Downloaded futures-sink v0.3.6
[INFO] [stderr]   Downloaded futures-task v0.3.6
[INFO] [stderr]   Downloaded futures-util v0.3.6
[INFO] [stderr]   Downloaded tokio v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 0e32a29d553384fbde5f1eba6aef28b7fa8cf2e2ba0264c413225dc495224930
[INFO] running `Command { std: "docker" "start" "-a" "0e32a29d553384fbde5f1eba6aef28b7fa8cf2e2ba0264c413225dc495224930", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0e32a29d553384fbde5f1eba6aef28b7fa8cf2e2ba0264c413225dc495224930", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e32a29d553384fbde5f1eba6aef28b7fa8cf2e2ba0264c413225dc495224930", kill_on_drop: false }`
[INFO] [stdout] 0e32a29d553384fbde5f1eba6aef28b7fa8cf2e2ba0264c413225dc495224930
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 975a70679f6e225a023fbca1894280df6bc426c40b78ba055f17314425b24282
[INFO] running `Command { std: "docker" "start" "-a" "975a70679f6e225a023fbca1894280df6bc426c40b78ba055f17314425b24282", kill_on_drop: false }`
[INFO] [stderr]    Compiling mqtt-protocol v0.10.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.50s
[INFO] running `Command { std: "docker" "inspect" "975a70679f6e225a023fbca1894280df6bc426c40b78ba055f17314425b24282", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "975a70679f6e225a023fbca1894280df6bc426c40b78ba055f17314425b24282", kill_on_drop: false }`
[INFO] [stdout] 975a70679f6e225a023fbca1894280df6bc426c40b78ba055f17314425b24282
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 03e1acfc40461700a2436d8cdd5a535ae3071fbdb5410f3e7f03e97965347250
[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" "03e1acfc40461700a2436d8cdd5a535ae3071fbdb5410f3e7f03e97965347250", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling syn v1.0.45
[INFO] [stderr]    Compiling futures-core v0.3.6
[INFO] [stderr]    Compiling futures-sink v0.3.6
[INFO] [stderr]    Compiling tokio v1.0.0
[INFO] [stderr]    Compiling futures-channel v0.3.6
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling mio v0.7.6
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling uuid v0.8.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling futures-macro v0.3.6
[INFO] [stderr]    Compiling tokio-macros v1.0.0
[INFO] [stderr]    Compiling pin-project v0.4.27
[INFO] [stderr]    Compiling futures-util v0.3.6
[INFO] [stderr]    Compiling futures-executor v0.3.6
[INFO] [stderr]    Compiling futures v0.3.6
[INFO] [stderr]    Compiling mqtt-protocol v0.10.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 36.07s
[INFO] running `Command { std: "docker" "inspect" "03e1acfc40461700a2436d8cdd5a535ae3071fbdb5410f3e7f03e97965347250", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03e1acfc40461700a2436d8cdd5a535ae3071fbdb5410f3e7f03e97965347250", kill_on_drop: false }`
[INFO] [stdout] 03e1acfc40461700a2436d8cdd5a535ae3071fbdb5410f3e7f03e97965347250
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] cca4231d8bbfa87e990015a03dbc9ae259f95b1436053cf75bab1faa098c28a4
[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" "cca4231d8bbfa87e990015a03dbc9ae259f95b1436053cf75bab1faa098c28a4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mqtt-1b2a52217142b18f
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test control::fixed_header::test::test_decode_fixed_header ... ok
[INFO] [stdout] test packet::connect::test::test_connect_packet_decode_basic ... ok
[INFO] [stdout] test packet::connect::test::test_connect_packet_encode_basic ... ok
[INFO] [stdout] test packet::connect::test::test_connect_packet_user_name ... ok
[INFO] [stdout] test packet::test::test_variable_packet_basic ... ok
[INFO] [stdout] test qos::test::min_qos ... ok
[INFO] [stdout] test topic_name::test::topic_name_basic ... ok
[INFO] [stdout] test topic_name::test::topic_name_slash ... ok
[INFO] [stdout] test control::fixed_header::test::test_encode_fixed_header ... ok
[INFO] [stdout] test topic_filter::test::topic_filter_matcher ... ok
[INFO] [stdout] test topic_filter::test::topic_filter_validate ... ok
[INFO] [stdout] test encodable::test::varbyte_encode ... ok
[INFO] [stdout] test topic_name::test::topic_name_sys ... ok
[INFO] [stdout] test packet::connack::test::test_connack_packet_basic ... ok
[INFO] [stdout] test packet::publish::test::test_publish_packet_basic ... ok
[INFO] [stdout] test control::fixed_header::test::test_decode_too_long_fixed_header ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mqtt
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/topic_filter.rs - topic_filter::TopicFilter (line 31) ... ok
[INFO] [stdout] test src/lib.rs - (line 7) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.28s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "cca4231d8bbfa87e990015a03dbc9ae259f95b1436053cf75bab1faa098c28a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cca4231d8bbfa87e990015a03dbc9ae259f95b1436053cf75bab1faa098c28a4", kill_on_drop: false }`
[INFO] [stdout] cca4231d8bbfa87e990015a03dbc9ae259f95b1436053cf75bab1faa098c28a4