[INFO] fetching crate mqttbytes 0.6.0...
[INFO] testing mqttbytes-0.6.0 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate mqttbytes 0.6.0 into /workspace/builds/worker-50/source
[INFO] validating manifest of crates.io crate mqttbytes 0.6.0 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mqttbytes 0.6.0
[INFO] finished tweaking crates.io crate mqttbytes 0.6.0
[INFO] tweaked toml for crates.io crate mqttbytes 0.6.0 written to /workspace/builds/worker-50/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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" "+722e1797249a965b6335aebd65d777f917e498f1" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5ea0d35c22346c6bf829c6a07a9fe25cb87419350c4492d58d633adc560cf606
[INFO] running `Command { std: "docker" "start" "-a" "5ea0d35c22346c6bf829c6a07a9fe25cb87419350c4492d58d633adc560cf606", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5ea0d35c22346c6bf829c6a07a9fe25cb87419350c4492d58d633adc560cf606", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ea0d35c22346c6bf829c6a07a9fe25cb87419350c4492d58d633adc560cf606", kill_on_drop: false }`
[INFO] [stdout] 5ea0d35c22346c6bf829c6a07a9fe25cb87419350c4492d58d633adc560cf606
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ae6a593da2b94b11c7d66cc1ccb1d91ceccd060fab988394bf18dabdf7f8799a
[INFO] running `Command { std: "docker" "start" "-a" "ae6a593da2b94b11c7d66cc1ccb1d91ceccd060fab988394bf18dabdf7f8799a", kill_on_drop: false }`
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling mqttbytes v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.41s
[INFO] running `Command { std: "docker" "inspect" "ae6a593da2b94b11c7d66cc1ccb1d91ceccd060fab988394bf18dabdf7f8799a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae6a593da2b94b11c7d66cc1ccb1d91ceccd060fab988394bf18dabdf7f8799a", kill_on_drop: false }`
[INFO] [stdout] ae6a593da2b94b11c7d66cc1ccb1d91ceccd060fab988394bf18dabdf7f8799a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 720f8994976d7e3d4309e95c2096f22be23517ebac12353bdaaa30e0878cdf6a
[INFO] running `Command { std: "docker" "start" "-a" "720f8994976d7e3d4309e95c2096f22be23517ebac12353bdaaa30e0878cdf6a", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[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 scopeguard v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling plotters-backend v0.3.2
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling half v1.8.2
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling serde_json v1.0.71
[INFO] [stderr]    Compiling plotters-svg v0.3.1
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling pretty_assertions v0.6.1
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling bstr v0.2.17
[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 csv v1.1.6
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling plotters v0.3.1
[INFO] [stderr]    Compiling criterion-plot v0.4.4
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling criterion v0.3.5
[INFO] [stderr]    Compiling mqttbytes v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 22.72s
[INFO] running `Command { std: "docker" "inspect" "720f8994976d7e3d4309e95c2096f22be23517ebac12353bdaaa30e0878cdf6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "720f8994976d7e3d4309e95c2096f22be23517ebac12353bdaaa30e0878cdf6a", kill_on_drop: false }`
[INFO] [stdout] 720f8994976d7e3d4309e95c2096f22be23517ebac12353bdaaa30e0878cdf6a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6ec5617ecd2e2f1b9d03380ab99a67d4bdffcb6b0e49741a4cbf04d2bdd7f50f
[INFO] running `Command { std: "docker" "start" "-a" "6ec5617ecd2e2f1b9d03380ab99a67d4bdffcb6b0e49741a4cbf04d2bdd7f50f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mqttbytes-3adea6ceb649d321)
[INFO] [stdout] 
[INFO] [stdout] running 52 tests
[INFO] [stdout] test topic::test::dollar_subscriptions_doesnt_match_dollar_topic ... ok
[INFO] [stdout] test topic::test::filters_are_validated_correctly ... ok
[INFO] [stdout] test topic::test::topics_are_validated_correctly ... ok
[INFO] [stdout] test topic::test::wildcards_are_detected_correctly ... ok
[INFO] [stdout] test topic::test::topics_match_with_filters_as_expected ... ok
[INFO] [stdout] test topic::test::zero_len_subscriptions_are_not_allowed ... ok
[INFO] [stdout] test v4::connack::test::connack_encoding_works ... ok
[INFO] [stdout] test v4::connack::test::connack_parsing_works ... ok
[INFO] [stdout] test v4::connect::test::connect_encoding_works ... 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::publish::test::qos0_publish_parsing_works ... ok
[INFO] [stdout] test v4::publish::test::qos0_publish_encoding_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::suback::test::suback_parsing_works ... ok
[INFO] [stdout] test v4::subscribe::test::subscribe_encoding_works ... ok
[INFO] [stdout] test v4::subscribe::test::subscribe_parsing_works ... ok
[INFO] [stdout] test v5::connack::test::connack_encoding_works ... ok
[INFO] [stdout] test v5::connect::test::connect1_encoding_works ... ok
[INFO] [stdout] test v5::connack::test::connack_parsing_works ... ok
[INFO] [stdout] test v5::connect::test::connect1_parsing_works ... ok
[INFO] [stdout] test v5::connect::test::connect2_encoding_works ... ok
[INFO] [stdout] test v5::connect::test::connect2_parsing_works ... ok
[INFO] [stdout] test v5::connect::test::connect3_encoding_works ... ok
[INFO] [stdout] test v5::connect::test::connect3_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::disconnect1_parsing_works ... ok
[INFO] [stdout] test v5::disconnect::test::disconnect2_parsing_works ... ok
[INFO] [stdout] test v5::disconnect::test::disconnect2_encoding_works ... ok
[INFO] [stdout] test v5::pubcomp::test::pubcomp_encoding_works_correctly ... ok
[INFO] [stdout] test v5::publish::test::missing_properties_are_encoded ... ok
[INFO] [stdout] test v5::publish::test::publish_encoding_works ... ok
[INFO] [stdout] test v5::publish::test::publish_parsing_works ... ok
[INFO] [stdout] test v5::pubcomp::test::pubcomp_parsing_works_correctly ... ok
[INFO] [stdout] test v5::pubrec::test::pubrec_encoding_works ... ok
[INFO] [stdout] test v5::pubrec::test::pubrec_parsing_works ... ok
[INFO] [stdout] test v5::pubrel::test::pubrel_encoding_works ... ok
[INFO] [stdout] test v5::suback::test::suback_parsing_works ... 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::subscribe::test::subscribe_parsing_works ... ok
[INFO] [stdout] test v5::unsuback::test::unsuback_encoding_works ... ok
[INFO] [stdout] test v5::subscribe::test::subscribe2_parsing_works ... ok
[INFO] [stdout] test v5::subscribe::test::subscribe_encoding_works ... ok
[INFO] [stdout] test v5::unsuback::test::unsuback_parsing_works ... ok
[INFO] [stdout] test v5::unsubscribe::test::subscribe2_parsing_works ... ok
[INFO] [stdout] test v5::unsubscribe::test::subscribe2_encoding_works ... ok
[INFO] [stdout] test v5::unsubscribe::test::subscribe_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 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/smoke.rs (/opt/rustwide/target/debug/deps/smoke-0511a1f3d2cc20ca)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mqttbytes
[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" "6ec5617ecd2e2f1b9d03380ab99a67d4bdffcb6b0e49741a4cbf04d2bdd7f50f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ec5617ecd2e2f1b9d03380ab99a67d4bdffcb6b0e49741a4cbf04d2bdd7f50f", kill_on_drop: false }`
[INFO] [stdout] 6ec5617ecd2e2f1b9d03380ab99a67d4bdffcb6b0e49741a4cbf04d2bdd7f50f