[INFO] fetching crate mqtt-codec 0.3.0...
[INFO] testing mqtt-codec-0.3.0 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate mqtt-codec 0.3.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate mqtt-codec 0.3.0 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate mqtt-codec 0.3.0
[INFO] finished tweaking crates.io crate mqtt-codec 0.3.0
[INFO] tweaked toml for crates.io crate mqtt-codec 0.3.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "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" "+beta-2020-06-03" "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] 3cafd68acae741560725fa42467687f89360da65e38f2dd62b8d95cb9f45de83
[INFO] running `"docker" "start" "-a" "3cafd68acae741560725fa42467687f89360da65e38f2dd62b8d95cb9f45de83"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling tokio v0.2.21
[INFO] [stderr]    Compiling bytestring v0.1.5
[INFO] [stderr]    Compiling tokio-util v0.2.0
[INFO] [stderr]    Compiling actix-codec v0.2.0
[INFO] [stderr]    Compiling mqtt-codec v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused return value of `bytes::bytes_mut::BytesMut::split_to` that must be used
[INFO] [stderr]   --> src/codec/mod.rs:90:29
[INFO] [stderr]    |
[INFO] [stderr] 90 | ...                   src.split_to(consumed + 1);
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: consider BytesMut::advance if you don't need the other half
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.56s
[INFO] running `"docker" "inspect" "3cafd68acae741560725fa42467687f89360da65e38f2dd62b8d95cb9f45de83"`
[INFO] running `"docker" "rm" "-f" "3cafd68acae741560725fa42467687f89360da65e38f2dd62b8d95cb9f45de83"`
[INFO] [stdout] 3cafd68acae741560725fa42467687f89360da65e38f2dd62b8d95cb9f45de83
[INFO] running `"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" "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" "+beta-2020-06-03" "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] 3adeb3521157486dbc52e188457bf16abf03b0f36f878683b147c0eff62f82a6
[INFO] running `"docker" "start" "-a" "3adeb3521157486dbc52e188457bf16abf03b0f36f878683b147c0eff62f82a6"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling mqtt-codec v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused return value of `bytes::bytes_mut::BytesMut::split_to` that must be used
[INFO] [stderr]   --> src/codec/mod.rs:90:29
[INFO] [stderr]    |
[INFO] [stderr] 90 | ...                   src.split_to(consumed + 1);
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: consider BytesMut::advance if you don't need the other half
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `bytes::bytes_mut::BytesMut::split_to` that must be used
[INFO] [stderr]   --> src/codec/mod.rs:90:29
[INFO] [stderr]    |
[INFO] [stderr] 90 | ...                   src.split_to(consumed + 1);
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: consider BytesMut::advance if you don't need the other half
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.75s
[INFO] running `"docker" "inspect" "3adeb3521157486dbc52e188457bf16abf03b0f36f878683b147c0eff62f82a6"`
[INFO] running `"docker" "rm" "-f" "3adeb3521157486dbc52e188457bf16abf03b0f36f878683b147c0eff62f82a6"`
[INFO] [stdout] 3adeb3521157486dbc52e188457bf16abf03b0f36f878683b147c0eff62f82a6
[INFO] running `"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" "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" "+beta-2020-06-03" "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] 5d62fbc5707f9ba80911df7de6d255b8a095edfc01e3bc2a84935b1a67e120fe
[INFO] running `"docker" "start" "-a" "5d62fbc5707f9ba80911df7de6d255b8a095edfc01e3bc2a84935b1a67e120fe"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unused return value of `bytes::bytes_mut::BytesMut::split_to` that must be used
[INFO] [stderr]   --> src/codec/mod.rs:90:29
[INFO] [stderr]    |
[INFO] [stderr] 90 | ...                   src.split_to(consumed + 1);
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: consider BytesMut::advance if you don't need the other half
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `bytes::bytes_mut::BytesMut::split_to` that must be used
[INFO] [stderr]   --> src/codec/mod.rs:90:29
[INFO] [stderr]    |
[INFO] [stderr] 90 | ...                   src.split_to(consumed + 1);
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: consider BytesMut::advance if you don't need the other half
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mqtt_codec-c489d34dcbcf6166
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test codec::decode::tests::test_decode_ping_packets ... ok
[INFO] [stdout] test codec::decode::tests::test_decode_publish_packets ... ok
[INFO] [stdout] test codec::encode::tests::test_encode_fixed_header ... ok
[INFO] [stdout] test codec::encode::tests::test_encode_publish_packets ... ok
[INFO] [stdout] test topic::tests::test_level ... ok
[INFO] [stdout] test codec::decode::tests::test_decode_variable_length ... ok
[INFO] [stdout] test codec::encode::tests::test_encode_subscribe_packets ... ok
[INFO] [stdout] test codec::encode::tests::test_encode_ping_packets ... ok
[INFO] [stdout] test codec::decode::tests::test_decode_subscribe_packets ... ok
[INFO] [stdout] test codec::encode::tests::test_encode_variable_length ... ok
[INFO] [stdout] test codec::tests::test_max_size ... ok
[INFO] [stdout] test codec::decode::tests::test_decode_connect_packets ... ok
[INFO] [stdout] test topic::tests::test_parse_topic ... ok
[INFO] [stdout] test codec::encode::tests::test_encode_connect_packets ... ok
[INFO] [stdout] test topic::tests::test_single_wildcard_topic ... ok
[INFO] [stdout] test topic::tests::test_valid_topic ... ok
[INFO] [stdout] test topic::tests::test_multi_wildcard_topic ... ok
[INFO] [stdout] test topic::tests::test_write_topic ... ok
[INFO] [stdout] test topic::tests::test_match_topic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mqtt-codec
[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" "5d62fbc5707f9ba80911df7de6d255b8a095edfc01e3bc2a84935b1a67e120fe"`
[INFO] running `"docker" "rm" "-f" "5d62fbc5707f9ba80911df7de6d255b8a095edfc01e3bc2a84935b1a67e120fe"`
[INFO] [stdout] 5d62fbc5707f9ba80911df7de6d255b8a095edfc01e3bc2a84935b1a67e120fe