[INFO] fetching crate mqtt4bytes 0.1.1...
[INFO] testing mqtt4bytes-0.1.1 against 1.44.0 for beta-1.45-1
[INFO] extracting crate mqtt4bytes 0.1.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate mqtt4bytes 0.1.1 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate mqtt4bytes 0.1.1
[INFO] finished tweaking crates.io crate mqtt4bytes 0.1.1
[INFO] tweaked toml for crates.io crate mqtt4bytes 0.1.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7b5a6fbf551db8021067f9bfda5432697b9988c21124ec70b8a4682c23df8fac
[INFO] running `"docker" "start" "-a" "7b5a6fbf551db8021067f9bfda5432697b9988c21124ec70b8a4682c23df8fac"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]    Compiling tokio v0.2.21
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.19
[INFO] [stderr]    Compiling thiserror v1.0.19
[INFO] [stderr]    Compiling mqtt4bytes v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.40s
[INFO] running `"docker" "inspect" "7b5a6fbf551db8021067f9bfda5432697b9988c21124ec70b8a4682c23df8fac"`
[INFO] running `"docker" "rm" "-f" "7b5a6fbf551db8021067f9bfda5432697b9988c21124ec70b8a4682c23df8fac"`
[INFO] [stdout] 7b5a6fbf551db8021067f9bfda5432697b9988c21124ec70b8a4682c23df8fac
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8f36d5c03d50b9754dacff2fffa6efe75f3df5cff4eee075dd8dfb28f7656724
[INFO] running `"docker" "start" "-a" "8f36d5c03d50b9754dacff2fffa6efe75f3df5cff4eee075dd8dfb28f7656724"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling bencher v0.1.5
[INFO] [stderr]    Compiling mqtt4bytes v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused return value of `std::vec::Vec::<T>::split_off` that must be used
[INFO] [stderr]    --> src/read.rs:182:9
[INFO] [stderr]     |
[INFO] [stderr] 182 |         packetstream.split_off(packetstream.len() - 4);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: use `.truncate()` if you don't need the other half
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::vec::Vec::<T>::split_off` that must be used
[INFO] [stderr]    --> src/read.rs:207:9
[INFO] [stderr]     |
[INFO] [stderr] 207 |         packetstream.split_off(packetstream.len() - 4);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: use `.truncate()` if you don't need the other half
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.57s
[INFO] running `"docker" "inspect" "8f36d5c03d50b9754dacff2fffa6efe75f3df5cff4eee075dd8dfb28f7656724"`
[INFO] running `"docker" "rm" "-f" "8f36d5c03d50b9754dacff2fffa6efe75f3df5cff4eee075dd8dfb28f7656724"`
[INFO] [stdout] 8f36d5c03d50b9754dacff2fffa6efe75f3df5cff4eee075dd8dfb28f7656724
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c9d792469fd6c31745cd196b2b739abf52ab85f40852199139d99d0ebe43d110
[INFO] running `"docker" "start" "-a" "c9d792469fd6c31745cd196b2b739abf52ab85f40852199139d99d0ebe43d110"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unused return value of `std::vec::Vec::<T>::split_off` that must be used
[INFO] [stderr]    --> src/read.rs:182:9
[INFO] [stderr]     |
[INFO] [stderr] 182 |         packetstream.split_off(packetstream.len() - 4);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: use `.truncate()` if you don't need the other half
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::vec::Vec::<T>::split_off` that must be used
[INFO] [stderr]    --> src/read.rs:207:9
[INFO] [stderr]     |
[INFO] [stderr] 207 |         packetstream.split_off(packetstream.len() - 4);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: use `.truncate()` if you don't need the other half
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mqtt4bytes-a307be6328657afe
[INFO] [stdout] 
[INFO] [stdout] running 26 tests
[INFO] [stdout] test packetbytes::test::connect_stitching_works_correctlyl ... ok
[INFO] [stdout] test read::test::read_packet_publish_qos1_works ... ok
[INFO] [stdout] test read::test::read_packet_publish_qos0_works ... ok
[INFO] [stdout] test packetbytes::test::qos0_publish_stitching_works_correctly ... 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::wildcards_are_detected_correctly ... ok
[INFO] [stdout] test topic::test::zero_len_subscriptions_are_not_allowed ... ok
[INFO] [stdout] test write::test::write_packet_connack_works ... ok
[INFO] [stdout] test write::test::write_packet_connect_mqtt_protocol_works ... ok
[INFO] [stdout] test write::test::write_packet_publish_at_least_once_works ... ok
[INFO] [stdout] test write::test::write_packet_publish_at_most_once_works ... ok
[INFO] [stdout] test write::test::write_packet_subscribe_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 packetbytes::test::suback_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_connect_mqtt_protocol ... ok
[INFO] [stdout] test read::test::read_packet_connack_works ... ok
[INFO] [stdout] test packetbytes::test::qos1_publish_stitching_works_correctly ... ok
[INFO] [stdout] test read::test::read_packet_puback_works ... ok
[INFO] [stdout] test packetbytes::test::connack_stitching_works_correctly ... ok
[INFO] [stdout] test packetbytes::test::puback_stitching_works_correctly ... ok
[INFO] [stdout] test topic::test::topics_match_with_filters_as_expected ... ok
[INFO] [stdout] test packetbytes::test::subscribe_stitching_works_correctly ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 26 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mqtt4bytes
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "c9d792469fd6c31745cd196b2b739abf52ab85f40852199139d99d0ebe43d110"`
[INFO] running `"docker" "rm" "-f" "c9d792469fd6c31745cd196b2b739abf52ab85f40852199139d99d0ebe43d110"`
[INFO] [stdout] c9d792469fd6c31745cd196b2b739abf52ab85f40852199139d99d0ebe43d110