[INFO] fetching crate mqtt-protocol 0.11.0...
[INFO] testing mqtt-protocol-0.11.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate mqtt-protocol 0.11.0 into /workspace/builds/worker-118/source
[INFO] validating manifest of crates.io crate mqtt-protocol 0.11.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mqtt-protocol 0.11.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate mqtt-protocol 0.11.0
[INFO] tweaked toml for crates.io crate mqtt-protocol 0.11.0 written to /workspace/builds/worker-118/source/Cargo.toml
[INFO] crate crates.io crate mqtt-protocol 0.11.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syn v1.0.66
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 681a350b6dcaca8dceb2b309fb1288a7156a6e4b65b1a6aeffd8bfe9b4370f02
[INFO] running `Command { std: "docker" "start" "-a" "681a350b6dcaca8dceb2b309fb1288a7156a6e4b65b1a6aeffd8bfe9b4370f02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "681a350b6dcaca8dceb2b309fb1288a7156a6e4b65b1a6aeffd8bfe9b4370f02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "681a350b6dcaca8dceb2b309fb1288a7156a6e4b65b1a6aeffd8bfe9b4370f02", kill_on_drop: false }`
[INFO] [stdout] 681a350b6dcaca8dceb2b309fb1288a7156a6e4b65b1a6aeffd8bfe9b4370f02
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e29048b651aa591aca75c0c2bbee23a9c8ab6b4db4f338c57e756d5013ddfc91
[INFO] running `Command { std: "docker" "start" "-a" "e29048b651aa591aca75c0c2bbee23a9c8ab6b4db4f338c57e756d5013ddfc91", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.66
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling regex-syntax v0.6.23
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling regex v1.4.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling thiserror v1.0.24
[INFO] [stderr]    Compiling mqtt-protocol v0.11.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.12s
[INFO] running `Command { std: "docker" "inspect" "e29048b651aa591aca75c0c2bbee23a9c8ab6b4db4f338c57e756d5013ddfc91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e29048b651aa591aca75c0c2bbee23a9c8ab6b4db4f338c57e756d5013ddfc91", kill_on_drop: false }`
[INFO] [stdout] e29048b651aa591aca75c0c2bbee23a9c8ab6b4db4f338c57e756d5013ddfc91
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b868de252dce25f545ed035b79a1b61dd8f2824143df6908fcd20613f98ecd07
[INFO] running `Command { std: "docker" "start" "-a" "b868de252dce25f545ed035b79a1b61dd8f2824143df6908fcd20613f98ecd07", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.91
[INFO] [stderr]    Compiling futures-sink v0.3.13
[INFO] [stderr]    Compiling futures-core v0.3.13
[INFO] [stderr]    Compiling futures-io v0.3.13
[INFO] [stderr]    Compiling futures-task v0.3.13
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling tokio v1.4.0
[INFO] [stderr]    Compiling futures-macro v0.3.13
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling futures-channel v0.3.13
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling mio v0.7.11
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling env_logger v0.8.3
[INFO] [stderr]    Compiling futures-util v0.3.13
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling futures-executor v0.3.13
[INFO] [stderr]    Compiling futures v0.3.13
[INFO] [stderr]    Compiling mqtt-protocol v0.11.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 8.54s
[INFO] running `Command { std: "docker" "inspect" "b868de252dce25f545ed035b79a1b61dd8f2824143df6908fcd20613f98ecd07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b868de252dce25f545ed035b79a1b61dd8f2824143df6908fcd20613f98ecd07", kill_on_drop: false }`
[INFO] [stdout] b868de252dce25f545ed035b79a1b61dd8f2824143df6908fcd20613f98ecd07
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a865a3c33fff3aa9c9052844b3528eafb2761dc819383a9cae6e7546d713582a
[INFO] running `Command { std: "docker" "start" "-a" "a865a3c33fff3aa9c9052844b3528eafb2761dc819383a9cae6e7546d713582a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mqtt-90a52c8616276162)
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test control::fixed_header::test::test_decode_fixed_header ... ok
[INFO] [stdout] test encodable::test::varbyte_encode ... ok
[INFO] [stdout] test control::fixed_header::test::test_encode_fixed_header ... ok
[INFO] [stdout] test packet::connack::test::test_connack_packet_basic ... 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 packet::publish::test::test_publish_packet_basic ... ok
[INFO] [stdout] test topic_name::test::topic_name_basic ... ok
[INFO] [stdout] test topic_name::test::topic_name_slash ... ok
[INFO] [stdout] test topic_name::test::topic_name_sys ... ok
[INFO] [stdout] test topic_filter::test::topic_filter_matcher ... ok
[INFO] [stdout] test topic_filter::test::topic_filter_validate ... ok
[INFO] [stdout] test control::fixed_header::test::test_decode_too_long_fixed_header - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[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 27) ... 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 0.92s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a865a3c33fff3aa9c9052844b3528eafb2761dc819383a9cae6e7546d713582a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a865a3c33fff3aa9c9052844b3528eafb2761dc819383a9cae6e7546d713582a", kill_on_drop: false }`
[INFO] [stdout] a865a3c33fff3aa9c9052844b3528eafb2761dc819383a9cae6e7546d713582a