[INFO] fetching crate mqtt4bytes 0.4.0...
[INFO] testing mqtt4bytes-0.4.0 against 1.75.0 for beta-1.76-1
[INFO] extracting crate mqtt4bytes 0.4.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate mqtt4bytes 0.4.0 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mqtt4bytes 0.4.0
[INFO] finished tweaking crates.io crate mqtt4bytes 0.4.0
[INFO] tweaked toml for crates.io crate mqtt4bytes 0.4.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bytes v0.6.0
[INFO] [stderr]   Downloaded pretty_assertions v0.6.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 28a0cc519c113877ccb9e4b5da018c9ff6a4ff89cbe36ccffa1c5a8fc54c6457
[INFO] running `Command { std: "docker" "start" "-a" "28a0cc519c113877ccb9e4b5da018c9ff6a4ff89cbe36ccffa1c5a8fc54c6457", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "28a0cc519c113877ccb9e4b5da018c9ff6a4ff89cbe36ccffa1c5a8fc54c6457", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28a0cc519c113877ccb9e4b5da018c9ff6a4ff89cbe36ccffa1c5a8fc54c6457", kill_on_drop: false }`
[INFO] [stdout] 28a0cc519c113877ccb9e4b5da018c9ff6a4ff89cbe36ccffa1c5a8fc54c6457
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 855dda32001b9f2285d3d6c6d4b060b64a327de0e20b138f731817a064ea134a
[INFO] running `Command { std: "docker" "start" "-a" "855dda32001b9f2285d3d6c6d4b060b64a327de0e20b138f731817a064ea134a", kill_on_drop: false }`
[INFO] [stderr]    Compiling bytes v0.6.0
[INFO] [stderr]    Compiling mqtt4bytes v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "855dda32001b9f2285d3d6c6d4b060b64a327de0e20b138f731817a064ea134a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "855dda32001b9f2285d3d6c6d4b060b64a327de0e20b138f731817a064ea134a", kill_on_drop: false }`
[INFO] [stdout] 855dda32001b9f2285d3d6c6d4b060b64a327de0e20b138f731817a064ea134a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bbae99040299c42a826c6887a720e5b6ddd340e48dc22254e1daa4c2c8de29b6
[INFO] running `Command { std: "docker" "start" "-a" "bbae99040299c42a826c6887a720e5b6ddd340e48dc22254e1daa4c2c8de29b6", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling crossbeam-utils v0.8.18
[INFO] [stderr]    Compiling serde v1.0.194
[INFO] [stderr]    Compiling proc-macro2 v1.0.75
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling itoa v1.0.10
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling serde_json v1.0.111
[INFO] [stderr]    Compiling ryu v1.0.16
[INFO] [stderr]    Compiling rayon-core v1.12.0
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling plotters-backend v0.3.5
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling unicode-width v0.1.11
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.17
[INFO] [stderr]    Compiling crossbeam-deque v0.8.4
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling csv-core v0.1.11
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling plotters-svg v0.3.5
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling regex-automata v0.4.3
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling half v1.8.2
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling walkdir v2.4.0
[INFO] [stderr]    Compiling plotters v0.3.5
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling criterion-plot v0.4.5
[INFO] [stderr]    Compiling csv v1.3.0
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling regex v1.10.2
[INFO] [stderr]    Compiling rayon v1.8.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling lazy_static v1.4.0
[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 rand v0.7.3
[INFO] [stderr]    Compiling pretty_assertions v0.6.1
[INFO] [stderr]    Compiling serde_derive v1.0.194
[INFO] [stderr]    Compiling criterion v0.3.6
[INFO] [stderr]    Compiling mqtt4bytes v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> tests/smoke.rs:28:30
[INFO] [stdout]    |
[INFO] [stdout] 28 |             Err(e) => panic!(e),
[INFO] [stdout]    |                              ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]    |
[INFO] [stdout] 28 |             Err(e) => panic!("{}", e),
[INFO] [stdout]    |                              +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 28 |             Err(e) => std::panic::panic_any(e),
[INFO] [stdout]    |                       ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> tests/smoke.rs:78:30
[INFO] [stdout]    |
[INFO] [stdout] 78 |             Err(e) => panic!(e),
[INFO] [stdout]    |                              ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]    |
[INFO] [stdout] 78 |             Err(e) => panic!("{}", e),
[INFO] [stdout]    |                              +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 78 |             Err(e) => std::panic::panic_any(e),
[INFO] [stdout]    |                       ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 23.64s
[INFO] running `Command { std: "docker" "inspect" "bbae99040299c42a826c6887a720e5b6ddd340e48dc22254e1daa4c2c8de29b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbae99040299c42a826c6887a720e5b6ddd340e48dc22254e1daa4c2c8de29b6", kill_on_drop: false }`
[INFO] [stdout] bbae99040299c42a826c6887a720e5b6ddd340e48dc22254e1daa4c2c8de29b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 275c8c0aa16f3d581bb215b7fc8736705a34f11090054b015b773bb6b8736733
[INFO] running `Command { std: "docker" "start" "-a" "275c8c0aa16f3d581bb215b7fc8736705a34f11090054b015b773bb6b8736733", kill_on_drop: false }`
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]   --> tests/smoke.rs:28:30
[INFO] [stderr]    |
[INFO] [stderr] 28 |             Err(e) => panic!(e),
[INFO] [stderr]    |                              ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stderr] help: add a "{}" format string to `Display` the message
[INFO] [stderr]    |
[INFO] [stderr] 28 |             Err(e) => panic!("{}", e),
[INFO] [stderr]    |                              +++++
[INFO] [stderr] help: or use std::panic::panic_any instead
[INFO] [stderr]    |
[INFO] [stderr] 28 |             Err(e) => std::panic::panic_any(e),
[INFO] [stderr]    |                       ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]   --> tests/smoke.rs:78:30
[INFO] [stderr]    |
[INFO] [stderr] 78 |             Err(e) => panic!(e),
[INFO] [stderr]    |                              ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr] help: add a "{}" format string to `Display` the message
[INFO] [stderr]    |
[INFO] [stderr] 78 |             Err(e) => panic!("{}", e),
[INFO] [stderr]    |                              +++++
[INFO] [stderr] help: or use std::panic::panic_any instead
[INFO] [stderr]    |
[INFO] [stderr] 78 |             Err(e) => std::panic::panic_any(e),
[INFO] [stderr]    |                       ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] 
[INFO] [stderr] warning: `mqtt4bytes` (test "smoke") generated 2 warnings (run `cargo fix --test "smoke"` to apply 2 suggestions)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mqtt4bytes-67e54f62d8fd9518)
[INFO] [stdout] 
[INFO] [stdout] running 26 tests
[INFO] [stdout] test packets::publish::test::qos1_publish_stitching_works_correctly ... ok
[INFO] [stdout] test packets::publish::test::qos0_publish_stitching_works_correctly ... ok
[INFO] [stdout] test packets::puback::test::puback_stitching_works_correctly ... ok
[INFO] [stdout] test packets::connack::test::write_packet_connack_works ... ok
[INFO] [stdout] test packets::connect::test::connect_stitching_works_correctlyl ... ok
[INFO] [stdout] test packets::connect::test::write_connect_mqtt_packet_works ... ok
[INFO] [stdout] test packets::connect::test::connack_stitching_works_correctly ... ok
[INFO] [stdout] test packets::suback::test::suback_stitching_works_correctly ... ok
[INFO] [stdout] test read::test::read_packet_connack_works ... ok
[INFO] [stdout] test read::test::fixed_header_is_parsed_as_expected ... ok
[INFO] [stdout] test read::test::incomplete_qos1_publish_stream_errors_until_there_are_enough_bytes ... ok
[INFO] [stdout] test packets::publishraw::test::write_packet_publish_at_least_once_works ... ok
[INFO] [stdout] test read::test::read_packet_suback_works ... ok
[INFO] [stdout] test read::test::read_packet_subscribe_works ... ok
[INFO] [stdout] test read::test::read_packet_connect_mqtt_protocol ... ok
[INFO] [stdout] test read::test::read_packet_puback_works ... ok
[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::topics_match_with_filters_as_expected ... ok
[INFO] [stdout] test packets::publish::test::write_packet_publish_at_most_once_works ... ok
[INFO] [stdout] test packets::subscribe::test::subscribe_stitching_works_correctly ... ok
[INFO] [stdout] test topic::test::wildcards_are_detected_correctly ... ok
[INFO] [stdout] test packets::subscribe::test::write_packet_subscribe_works ... ok
[INFO] [stdout] test packets::publish::test::write_packet_publish_at_least_once_works ... ok
[INFO] [stdout] test topic::test::zero_len_subscriptions_are_not_allowed ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 26 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-416e7bd7749196fe)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stderr] error: test failed, to rerun pass `--test smoke`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/smoke-416e7bd7749196fe` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "275c8c0aa16f3d581bb215b7fc8736705a34f11090054b015b773bb6b8736733", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "275c8c0aa16f3d581bb215b7fc8736705a34f11090054b015b773bb6b8736733", kill_on_drop: false }`
[INFO] [stdout] 275c8c0aa16f3d581bb215b7fc8736705a34f11090054b015b773bb6b8736733
