[INFO] fetching crate mqttbytes 0.4.0...
[INFO] testing mqttbytes-0.4.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate mqttbytes 0.4.0 into /workspace/builds/worker-20/source
[INFO] validating manifest of crates.io crate mqttbytes 0.4.0 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 mqttbytes 0.4.0
[INFO] finished tweaking crates.io crate mqttbytes 0.4.0
[INFO] tweaked toml for crates.io crate mqttbytes 0.4.0 written to /workspace/builds/worker-20/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] 912b794e4db05108072f003ca2a0b97060c7f8a054211cec541f70cf4bd2ad18
[INFO] running `Command { std: "docker" "start" "-a" "912b794e4db05108072f003ca2a0b97060c7f8a054211cec541f70cf4bd2ad18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "912b794e4db05108072f003ca2a0b97060c7f8a054211cec541f70cf4bd2ad18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "912b794e4db05108072f003ca2a0b97060c7f8a054211cec541f70cf4bd2ad18", kill_on_drop: false }`
[INFO] [stdout] 912b794e4db05108072f003ca2a0b97060c7f8a054211cec541f70cf4bd2ad18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] f8e5529d9df61d9bdddca332fe1eb80410c8cac013b1ebcdda43c5424d1bef96
[INFO] running `Command { std: "docker" "start" "-a" "f8e5529d9df61d9bdddca332fe1eb80410c8cac013b1ebcdda43c5424d1bef96", kill_on_drop: false }`
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling mqttbytes v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.59s
[INFO] running `Command { std: "docker" "inspect" "f8e5529d9df61d9bdddca332fe1eb80410c8cac013b1ebcdda43c5424d1bef96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8e5529d9df61d9bdddca332fe1eb80410c8cac013b1ebcdda43c5424d1bef96", kill_on_drop: false }`
[INFO] [stdout] f8e5529d9df61d9bdddca332fe1eb80410c8cac013b1ebcdda43c5424d1bef96
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] b033d08c236372a764642c4aa36b9b764a50bed0b1e486a3e61aaab8e61d57e1
[INFO] running `Command { std: "docker" "start" "-a" "b033d08c236372a764642c4aa36b9b764a50bed0b1e486a3e61aaab8e61d57e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling plotters-backend v0.3.2
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling half v1.7.1
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling pretty_assertions v0.6.1
[INFO] [stderr]    Compiling plotters-svg v0.3.1
[INFO] [stderr]    Compiling plotters v0.3.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling criterion-plot v0.4.4
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.3.5
[INFO] [stderr]    Compiling mqttbytes v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 24.37s
[INFO] running `Command { std: "docker" "inspect" "b033d08c236372a764642c4aa36b9b764a50bed0b1e486a3e61aaab8e61d57e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b033d08c236372a764642c4aa36b9b764a50bed0b1e486a3e61aaab8e61d57e1", kill_on_drop: false }`
[INFO] [stdout] b033d08c236372a764642c4aa36b9b764a50bed0b1e486a3e61aaab8e61d57e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] d77917fcc4f9004128e509fdffd5f8350929f64ddf446d30eefeb1bd684ee820
[INFO] running `Command { std: "docker" "start" "-a" "d77917fcc4f9004128e509fdffd5f8350929f64ddf446d30eefeb1bd684ee820", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.83s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mqttbytes-a1cfcfc0aec1fcc6)
[INFO] [stdout] running 52 tests
[INFO] [stderr]      Running tests/smoke.rs (/opt/rustwide/target/debug/deps/smoke-3425ddb777d8f13c)
[INFO] [stdout] test topic::test::zero_len_subscriptions_are_not_allowed ... ok
[INFO] [stderr]    Doc-tests mqttbytes
[INFO] [stdout] test topic::test::topics_are_validated_correctly ... ok
[INFO] [stdout] test v4::connack::test::connack_encoding_works ... ok
[INFO] [stdout] test topic::test::topics_match_with_filters_as_expected ... ok
[INFO] [stdout] test v4::connack::test::connack_parsing_works ... ok
[INFO] [stdout] test topic::test::wildcards_are_detected_correctly ... ok
[INFO] [stdout] test v4::connect::test::connect_parsing_works ... ok
[INFO] [stdout] test v4::puback::test::puback_encoding_works ... ok
[INFO] [stdout] test v4::connect::test::connect_encoding_works ... ok
[INFO] [stdout] test topic::test::filters_are_validated_correctly ... ok
[INFO] [stdout] test v4::publish::test::qos0_publish_encoding_works ... ok
[INFO] [stdout] test topic::test::dollar_subscriptions_doesnt_match_dollar_topic ... ok
[INFO] [stdout] test v4::publish::test::qos0_publish_parsing_works ... ok
[INFO] [stdout] test v4::publish::test::qos1_publish_encoding_works ... ok
[INFO] [stdout] test v4::publish::test::qos1_publish_parsing_works ... ok
[INFO] [stdout] test v4::subscribe::test::subscribe_encoding_works ... ok
[INFO] [stdout] test v5::connack::test::connack_parsing_works ... ok
[INFO] [stdout] test v5::connect::test::connect1_encoding_works ... ok
[INFO] [stdout] test v5::connect::test::connect2_encoding_works ... ok
[INFO] [stdout] test v4::subscribe::test::subscribe_parsing_works ... ok
[INFO] [stdout] test v5::connect::test::connect1_parsing_works ... ok
[INFO] [stdout] test v4::suback::test::suback_parsing_works ... ok
[INFO] [stdout] test v5::connect::test::connect2_parsing_works ... ok
[INFO] [stdout] test v5::connect::test::missing_properties_are_encoded ... ok
[INFO] [stdout] test v5::disconnect::test::disconnect1_encoding_works ... ok
[INFO] [stdout] test v5::disconnect::test::disconnect2_encoding_works ... ok
[INFO] [stdout] test v5::connect::test::connect3_parsing_works ... ok
[INFO] [stdout] test v5::disconnect::test::disconnect2_parsing_works ... ok
[INFO] [stdout] test v5::connect::test::connect3_encoding_works ... ok
[INFO] [stdout] test v5::pubcomp::test::pubcomp_encoding_works_correctly ... ok
[INFO] [stdout] test v5::pubrel::test::pubrel_encoding_works ... ok
[INFO] [stdout] test v5::connack::test::connack_encoding_works ... ok
[INFO] [stdout] test v5::publish::test::publish_parsing_works ... ok
[INFO] [stdout] test v5::publish::test::missing_properties_are_encoded ... ok
[INFO] [stdout] test v5::pubrel::test::pubrel_parsing_works ... ok
[INFO] [stdout] test v5::suback::test::suback_encoding_works ... ok
[INFO] [stdout] test v5::subscribe::test::subscribe2_encoding_works ... ok
[INFO] [stdout] test v5::publish::test::publish_encoding_works ... ok
[INFO] [stdout] test v5::pubrec::test::pubrec_parsing_works ... ok
[INFO] [stdout] test v5::suback::test::suback_parsing_works ... ok
[INFO] [stdout] test v5::subscribe::test::subscribe2_parsing_works ... ok
[INFO] [stdout] test v5::pubcomp::test::pubcomp_parsing_works_correctly ... ok
[INFO] [stdout] test v5::unsuback::test::unsuback_parsing_works ... ok
[INFO] [stdout] test v5::unsubscribe::test::subscribe2_encoding_works ... ok
[INFO] [stdout] test v5::subscribe::test::subscribe_encoding_works ... ok
[INFO] [stdout] test v5::unsubscribe::test::subscribe2_parsing_works ... ok
[INFO] [stdout] test v5::unsubscribe::test::subscribe_encoding_works ... ok
[INFO] [stdout] test v5::pubrec::test::pubrec_encoding_works ... ok
[INFO] [stdout] test v5::subscribe::test::subscribe_parsing_works ... ok
[INFO] [stdout] test v5::disconnect::test::disconnect1_parsing_works ... ok
[INFO] [stdout] test v5::unsuback::test::unsuback_encoding_works ... ok
[INFO] [stdout] test v5::unsubscribe::test::unsubscribe_parsing_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 52 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - FixedHeader (line 82) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d77917fcc4f9004128e509fdffd5f8350929f64ddf446d30eefeb1bd684ee820", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d77917fcc4f9004128e509fdffd5f8350929f64ddf446d30eefeb1bd684ee820", kill_on_drop: false }`
[INFO] [stdout] d77917fcc4f9004128e509fdffd5f8350929f64ddf446d30eefeb1bd684ee820