[INFO] fetching crate mqtt311 0.2.0...
[INFO] testing mqtt311-0.2.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate mqtt311 0.2.0 into /workspace/builds/worker-106/source
[INFO] validating manifest of crates.io crate mqtt311 0.2.0 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 mqtt311 0.2.0
[INFO] finished tweaking crates.io crate mqtt311 0.2.0
[INFO] tweaked toml for crates.io crate mqtt311 0.2.0 written to /workspace/builds/worker-106/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded derive_more v0.13.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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] bfe0e0e9dd3b86dc1996ce267cfb99d2828bb4f2fa0073edb5fcfe2c73befba7
[INFO] running `Command { std: "docker" "start" "-a" "bfe0e0e9dd3b86dc1996ce267cfb99d2828bb4f2fa0073edb5fcfe2c73befba7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bfe0e0e9dd3b86dc1996ce267cfb99d2828bb4f2fa0073edb5fcfe2c73befba7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfe0e0e9dd3b86dc1996ce267cfb99d2828bb4f2fa0073edb5fcfe2c73befba7", kill_on_drop: false }`
[INFO] [stdout] bfe0e0e9dd3b86dc1996ce267cfb99d2828bb4f2fa0073edb5fcfe2c73befba7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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] ca647ed24db9598ee96d2690abc062f497cc08cd3dd1ccf1762e425d795247a2
[INFO] running `Command { std: "docker" "start" "-a" "ca647ed24db9598ee96d2690abc062f497cc08cd3dd1ccf1762e425d795247a2", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling gimli v0.25.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.21
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling object v0.26.2
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling addr2line v0.16.0
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]    Compiling derive_more v0.13.0
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling mqtt311 v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.35s
[INFO] running `Command { std: "docker" "inspect" "ca647ed24db9598ee96d2690abc062f497cc08cd3dd1ccf1762e425d795247a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca647ed24db9598ee96d2690abc062f497cc08cd3dd1ccf1762e425d795247a2", kill_on_drop: false }`
[INFO] [stdout] ca647ed24db9598ee96d2690abc062f497cc08cd3dd1ccf1762e425d795247a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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] 506ca1fc5ab817361567fbb72dd0678f8851b7d9e26b5385dc4dfded26d13b49
[INFO] running `Command { std: "docker" "start" "-a" "506ca1fc5ab817361567fbb72dd0678f8851b7d9e26b5385dc4dfded26d13b49", kill_on_drop: false }`
[INFO] [stderr]    Compiling mqtt311 v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.75s
[INFO] running `Command { std: "docker" "inspect" "506ca1fc5ab817361567fbb72dd0678f8851b7d9e26b5385dc4dfded26d13b49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "506ca1fc5ab817361567fbb72dd0678f8851b7d9e26b5385dc4dfded26d13b49", kill_on_drop: false }`
[INFO] [stdout] 506ca1fc5ab817361567fbb72dd0678f8851b7d9e26b5385dc4dfded26d13b49
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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] e17bfccd0d6eef05fa2a06baa8c1ceed245d684aa5afafbe6419e8b406b6a81e
[INFO] running `Command { std: "docker" "start" "-a" "e17bfccd0d6eef05fa2a06baa8c1ceed245d684aa5afafbe6419e8b406b6a81e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mqtt311-50cf26846979a094)
[INFO] [stdout] 
[INFO] [stdout] running 24 tests
[INFO] [stdout] test test::packet_identifier_test ... ok
[INFO] [stdout] test test::protocol_test ... ok
[INFO] [stdout] test test::qos_min_test ... ok
[INFO] [stdout] test msg::test::message_from_pub_test ... ok
[INFO] [stdout] test read::test::read_packet_publish_qos1_test ... ok
[INFO] [stdout] test topic::test::topic_is_not_valid_test ... ok
[INFO] [stdout] test topic::test::wildcards_test ... ok
[INFO] [stdout] test msg::test::message_to_pub_test ... ok
[INFO] [stdout] test topic::test::topic_path_test ... ok
[INFO] [stdout] test msg::test::to_topic_name_test ... ok
[INFO] [stdout] test read::test::read_packet_connack_test ... ok
[INFO] [stdout] test read::test::read_packet_connect_mqisdp_protocol_test ... ok
[INFO] [stdout] test read::test::read_packet_publish_qos0_test ... ok
[INFO] [stdout] test read::test::read_packet_suback_test ... ok
[INFO] [stdout] test read::test::read_packet_puback_test ... ok
[INFO] [stdout] test read::test::read_packet_connect_mqtt_protocol_test ... ok
[INFO] [stdout] test read::test::read_packet_subscribe_test ... ok
[INFO] [stdout] test read::test::read_packet_unsubscribe_test ... ok
[INFO] [stdout] test write::test::write_packet_connect_mqisdp_protocol_test ... ok
[INFO] [stdout] test write::test::write_packet_connack_test ... ok
[INFO] [stdout] test write::test::write_packet_connect_mqtt_protocol_test ... ok
[INFO] [stdout] test write::test::write_packet_publish_at_most_once_test ... ok
[INFO] [stdout] test write::test::write_packet_publish_at_least_once_test ... ok
[INFO] [stdout] test write::test::write_packet_subscribe_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 24 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mqtt311
[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" "e17bfccd0d6eef05fa2a06baa8c1ceed245d684aa5afafbe6419e8b406b6a81e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e17bfccd0d6eef05fa2a06baa8c1ceed245d684aa5afafbe6419e8b406b6a81e", kill_on_drop: false }`
[INFO] [stdout] e17bfccd0d6eef05fa2a06baa8c1ceed245d684aa5afafbe6419e8b406b6a81e