[INFO] fetching crate rumq-core 0.1.0-alpha.10...
[INFO] testing rumq-core-0.1.0-alpha.10 against 1.49.0 for beta-1.50-1
[INFO] extracting crate rumq-core 0.1.0-alpha.10 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate rumq-core 0.1.0-alpha.10 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rumq-core 0.1.0-alpha.10
[INFO] finished tweaking crates.io crate rumq-core 0.1.0-alpha.10
[INFO] tweaked toml for crates.io crate rumq-core 0.1.0-alpha.10 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b47dc5d9b8efcb604b259b681a9cc8fa79e813de115bea762560c65e762014e5
[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" "b47dc5d9b8efcb604b259b681a9cc8fa79e813de115bea762560c65e762014e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b47dc5d9b8efcb604b259b681a9cc8fa79e813de115bea762560c65e762014e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b47dc5d9b8efcb604b259b681a9cc8fa79e813de115bea762560c65e762014e5", kill_on_drop: false }`
[INFO] [stdout] b47dc5d9b8efcb604b259b681a9cc8fa79e813de115bea762560c65e762014e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c2dcaa4a18ffe40020ab1b29220cb1b7e65c0c1b866d70f0f29227b3dfd050b6
[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" "c2dcaa4a18ffe40020ab1b29220cb1b7e65c0c1b866d70f0f29227b3dfd050b6", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling async-trait v0.1.42
[INFO] [stderr]    Compiling tokio v0.2.24
[INFO] [stderr]    Compiling thiserror v1.0.23
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling rumq-core v0.1.0-alpha.10 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 46.39s
[INFO] running `Command { std: "docker" "inspect" "c2dcaa4a18ffe40020ab1b29220cb1b7e65c0c1b866d70f0f29227b3dfd050b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2dcaa4a18ffe40020ab1b29220cb1b7e65c0c1b866d70f0f29227b3dfd050b6", kill_on_drop: false }`
[INFO] [stdout] c2dcaa4a18ffe40020ab1b29220cb1b7e65c0c1b866d70f0f29227b3dfd050b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+1.49.0" "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] 335ece4ed5132641f9e3b882fcc999d03efa53812d8215a3720b4f7f886a56af
[INFO] running `Command { std: "docker" "start" "-a" "335ece4ed5132641f9e3b882fcc999d03efa53812d8215a3720b4f7f886a56af", kill_on_drop: false }`
[INFO] [stderr]    Compiling rumq-core v0.1.0-alpha.10 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.99s
[INFO] running `Command { std: "docker" "inspect" "335ece4ed5132641f9e3b882fcc999d03efa53812d8215a3720b4f7f886a56af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "335ece4ed5132641f9e3b882fcc999d03efa53812d8215a3720b4f7f886a56af", kill_on_drop: false }`
[INFO] [stdout] 335ece4ed5132641f9e3b882fcc999d03efa53812d8215a3720b4f7f886a56af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 68ae8424d242788e0e75102409998e6005d0bc000809289eaed091a4c6cde9d7
[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" "68ae8424d242788e0e75102409998e6005d0bc000809289eaed091a4c6cde9d7", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] running 32 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rumq_core-fb48a0d568f5db32
[INFO] [stdout] test mqtt4::asyncdeserialize::test::read_packet_puback_works ... ok
[INFO] [stdout] test mqtt4::asyncdeserialize::test::read_packet_publish_qos1_works ... ok
[INFO] [stdout] test mqtt4::asyncdeserialize::test::read_packet_publish_qos0_works ... ok
[INFO] [stdout] test mqtt4::asyncdeserialize::test::read_packet_connect_mqtt_protocol ... ok
[INFO] [stdout] test mqtt4::deserialize::test::read_packet_subscribe_works ... ok
[INFO] [stdout] test mqtt4::deserialize::test::read_packet_publish_qos1_works ... ok
[INFO] [stdout] test mqtt4::deserialize::test::read_packet_suback_works ... ok
[INFO] [stdout] test mqtt4::deserialize::test::read_packet_publish_qos0_works ... ok
[INFO] [stdout] test mqtt4::serialize::test::write_packet_connect_mqtt_protocol_works ... ok
[INFO] [stdout] test mqtt4::serialize::test::write_packet_publish_at_least_once_works ... ok
[INFO] [stdout] test mqtt4::serialize::test::write_packet_publish_at_most_once_works ... ok
[INFO] [stdout] test mqtt4::serialize::test::write_packet_subscribe_works ... ok
[INFO] [stdout] test mqtt4::topic::test::dollar_subscriptions_doesnt_match_dollar_topic ... ok
[INFO] [stdout] test mqtt4::topic::test::filters_are_validated_correctly ... ok
[INFO] [stdout] test mqtt4::asyncdeserialize::test::read_packet_suback_works ... ok
[INFO] [stdout] test mqtt4::asyncserialize::test::write_packet_publish_at_least_once_works ... ok
[INFO] [stdout] test mqtt4::asyncserialize::test::write_packet_connect_mqtt_protocol_works ... ok
[INFO] [stdout] test mqtt4::asyncdeserialize::test::read_packet_connack_works ... ok
[INFO] [stdout] test mqtt4::asyncdeserialize::test::read_packet_unsubscribe_works ... ok
[INFO] [stdout] test mqtt4::asyncserialize::test::write_packet_publish_at_most_once_works ... ok
[INFO] [stdout] test mqtt4::asyncserialize::test::write_packet_subscribe_works ... ok
[INFO] [stdout] test mqtt4::deserialize::test::read_packet_connack_works ... ok
[INFO] [stdout] test mqtt4::deserialize::test::read_packet_connect_mqtt_protocol ... ok
[INFO] [stdout] test mqtt4::deserialize::test::read_packet_puback_works ... ok
[INFO] [stdout] test mqtt4::asyncserialize::test::write_packet_connack_works ... ok
[INFO] [stdout] test mqtt4::topic::test::topics_match_with_filters_as_expected ... ok
[INFO] [stdout] test mqtt4::topic::test::wildcards_are_detected_correctly ... ok
[INFO] [stdout] test mqtt4::asyncdeserialize::test::read_packet_subscribe_works ... ok
[INFO] [stdout] test mqtt4::topic::test::zero_len_subscriptions_are_not_allowed ... ok
[INFO] [stdout] test mqtt4::serialize::test::write_packet_connack_works ... ok
[INFO] [stderr]    Doc-tests rumq-core
[INFO] [stdout] test mqtt4::topic::test::topics_are_validated_correctly ... ok
[INFO] [stdout] test mqtt4::deserialize::test::read_packet_unsubscribe_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 32 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "68ae8424d242788e0e75102409998e6005d0bc000809289eaed091a4c6cde9d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68ae8424d242788e0e75102409998e6005d0bc000809289eaed091a4c6cde9d7", kill_on_drop: false }`
[INFO] [stdout] 68ae8424d242788e0e75102409998e6005d0bc000809289eaed091a4c6cde9d7