[INFO] fetching crate mqtt4bytes 0.4.0...
[INFO] testing mqtt4bytes-0.4.0 against 1.54.0 for beta-1.55-1
[INFO] extracting crate mqtt4bytes 0.4.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate mqtt4bytes 0.4.0 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e4e90189b237c687b1a03ddb84e5024b126233d332566dcda1a600d64c54efc2
[INFO] running `Command { std: "docker" "start" "-a" "e4e90189b237c687b1a03ddb84e5024b126233d332566dcda1a600d64c54efc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e4e90189b237c687b1a03ddb84e5024b126233d332566dcda1a600d64c54efc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4e90189b237c687b1a03ddb84e5024b126233d332566dcda1a600d64c54efc2", kill_on_drop: false }`
[INFO] [stdout] e4e90189b237c687b1a03ddb84e5024b126233d332566dcda1a600d64c54efc2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f4c1013cf85e74ec4b9b5f12789defc736c1f64a78a820dafbc8de711cf14166
[INFO] running `Command { std: "docker" "start" "-a" "f4c1013cf85e74ec4b9b5f12789defc736c1f64a78a820dafbc8de711cf14166", 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 1.20s
[INFO] running `Command { std: "docker" "inspect" "f4c1013cf85e74ec4b9b5f12789defc736c1f64a78a820dafbc8de711cf14166", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4c1013cf85e74ec4b9b5f12789defc736c1f64a78a820dafbc8de711cf14166", kill_on_drop: false }`
[INFO] [stdout] f4c1013cf85e74ec4b9b5f12789defc736c1f64a78a820dafbc8de711cf14166
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e42a34fd86df3279eaf66bcd6ce8c0deddde3c922470b1e8180f7939724eecd9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e42a34fd86df3279eaf66bcd6ce8c0deddde3c922470b1e8180f7939724eecd9", kill_on_drop: false }`
[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: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[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 is no longer accepted in Rust 2021
[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 1.09s
[INFO] running `Command { std: "docker" "inspect" "e42a34fd86df3279eaf66bcd6ce8c0deddde3c922470b1e8180f7939724eecd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e42a34fd86df3279eaf66bcd6ce8c0deddde3c922470b1e8180f7939724eecd9", kill_on_drop: false }`
[INFO] [stdout] e42a34fd86df3279eaf66bcd6ce8c0deddde3c922470b1e8180f7939724eecd9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d72fe6d812d73fca16f5539b334f9af453d195c486372cbefd706d4880462494
[INFO] running `Command { std: "docker" "start" "-a" "d72fe6d812d73fca16f5539b334f9af453d195c486372cbefd706d4880462494", 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: `#[warn(non_fmt_panic)]` on by default
[INFO] [stderr]    = note: this is no longer accepted in Rust 2021
[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 is no longer accepted in Rust 2021
[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: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mqtt4bytes-313b94292c9a2aa8)
[INFO] [stdout] 
[INFO] [stdout] running 26 tests
[INFO] [stdout] test packets::connack::test::write_packet_connack_works ... ok
[INFO] [stdout] test packets::connect::test::connack_stitching_works_correctly ... ok
[INFO] [stdout] test packets::connect::test::connect_stitching_works_correctlyl ... ok
[INFO] [stdout] test packets::puback::test::puback_stitching_works_correctly ... ok
[INFO] [stdout] test packets::publish::test::qos0_publish_stitching_works_correctly ... ok
[INFO] [stdout] test packets::publish::test::qos1_publish_stitching_works_correctly ... ok
[INFO] [stdout] test packets::publish::test::write_packet_publish_at_least_once_works ... ok
[INFO] [stdout] test packets::publish::test::write_packet_publish_at_most_once_works ... ok
[INFO] [stdout] test packets::suback::test::suback_stitching_works_correctly ... ok
[INFO] [stdout] test packets::publishraw::test::write_packet_publish_at_least_once_works ... ok
[INFO] [stdout] test packets::subscribe::test::write_packet_subscribe_works ... ok
[INFO] [stdout] test read::test::fixed_header_is_parsed_as_expected ... ok
[INFO] [stdout] test packets::subscribe::test::subscribe_stitching_works_correctly ... ok
[INFO] [stdout] test read::test::incomplete_qos1_publish_stream_errors_until_there_are_enough_bytes ... ok
[INFO] [stdout] test read::test::read_packet_puback_works ... ok
[INFO] [stdout] test read::test::read_packet_connack_works ... ok
[INFO] [stdout] test topic::test::filters_are_validated_correctly ... ok
[INFO] [stdout] test topic::test::zero_len_subscriptions_are_not_allowed ... 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 packets::connect::test::write_connect_mqtt_packet_works ... ok
[INFO] [stdout] test read::test::read_packet_connect_mqtt_protocol ... ok
[INFO] [stdout] test read::test::read_packet_suback_works ... ok
[INFO] [stdout] test read::test::read_packet_subscribe_works ... ok
[INFO] [stdout] test topic::test::dollar_subscriptions_doesnt_match_dollar_topic ... ok
[INFO] [stdout] test topic::test::topics_are_validated_correctly ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 26 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/smoke.rs (/opt/rustwide/target/debug/deps/smoke-5440a0fd6b05c4b4)
[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-5440a0fd6b05c4b4` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "d72fe6d812d73fca16f5539b334f9af453d195c486372cbefd706d4880462494", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d72fe6d812d73fca16f5539b334f9af453d195c486372cbefd706d4880462494", kill_on_drop: false }`
[INFO] [stdout] d72fe6d812d73fca16f5539b334f9af453d195c486372cbefd706d4880462494
