[INFO] fetching crate mqtt-codec 0.3.0... [INFO] testing mqtt-codec-0.3.0 against beta-2021-09-08 for beta-1.56-1 [INFO] extracting crate mqtt-codec 0.3.0 into /workspace/builds/worker-79/source [INFO] validating manifest of crates.io crate mqtt-codec 0.3.0 on toolchain beta-2021-09-08 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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-79/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 37d0afc21720368c4bdebe449f5e5ef49a0a1e37b1abce3808257a6d82af6a6b [INFO] running `Command { std: "docker" "start" "-a" "37d0afc21720368c4bdebe449f5e5ef49a0a1e37b1abce3808257a6d82af6a6b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "37d0afc21720368c4bdebe449f5e5ef49a0a1e37b1abce3808257a6d82af6a6b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "37d0afc21720368c4bdebe449f5e5ef49a0a1e37b1abce3808257a6d82af6a6b", kill_on_drop: false }` [INFO] [stdout] 37d0afc21720368c4bdebe449f5e5ef49a0a1e37b1abce3808257a6d82af6a6b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ca9188d7b094bed2383f373dd42c1aeb3e9f421bb89ce3388bfc4da191a355d5 [INFO] running `Command { std: "docker" "start" "-a" "ca9188d7b094bed2383f373dd42c1aeb3e9f421bb89ce3388bfc4da191a355d5", kill_on_drop: false }` [INFO] [stderr] Compiling bytes v0.5.6 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling futures-core v0.3.17 [INFO] [stderr] Compiling pin-project-lite v0.1.12 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling futures-sink v0.3.17 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling tokio v0.2.25 [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] [stdout] warning: unused return value of `BytesMut::split_to` that must be used [INFO] [stdout] --> src/codec/mod.rs:90:29 [INFO] [stdout] | [INFO] [stdout] 90 | ... src.split_to(consumed + 1); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: consider BytesMut::advance if you don't need the other half [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 5.67s [INFO] running `Command { std: "docker" "inspect" "ca9188d7b094bed2383f373dd42c1aeb3e9f421bb89ce3388bfc4da191a355d5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ca9188d7b094bed2383f373dd42c1aeb3e9f421bb89ce3388bfc4da191a355d5", kill_on_drop: false }` [INFO] [stdout] ca9188d7b094bed2383f373dd42c1aeb3e9f421bb89ce3388bfc4da191a355d5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5320483cf6fa9b21540a6c19023e7ac335445be2150b59f6681f9d68f276cced [INFO] running `Command { std: "docker" "start" "-a" "5320483cf6fa9b21540a6c19023e7ac335445be2150b59f6681f9d68f276cced", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling mqtt-codec v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused return value of `BytesMut::split_to` that must be used [INFO] [stdout] --> src/codec/mod.rs:90:29 [INFO] [stdout] | [INFO] [stdout] 90 | ... src.split_to(consumed + 1); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: consider BytesMut::advance if you don't need the other half [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `bytes::BytesMut::split_to` that must be used [INFO] [stdout] --> src/codec/mod.rs:90:29 [INFO] [stdout] | [INFO] [stdout] 90 | ... src.split_to(consumed + 1); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: consider BytesMut::advance if you don't need the other half [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.97s [INFO] running `Command { std: "docker" "inspect" "5320483cf6fa9b21540a6c19023e7ac335445be2150b59f6681f9d68f276cced", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5320483cf6fa9b21540a6c19023e7ac335445be2150b59f6681f9d68f276cced", kill_on_drop: false }` [INFO] [stdout] 5320483cf6fa9b21540a6c19023e7ac335445be2150b59f6681f9d68f276cced [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 286d171871804a923497cd573a0d732ba18ce82c8ca4d1b440566565c29e0fd6 [INFO] running `Command { std: "docker" "start" "-a" "286d171871804a923497cd573a0d732ba18ce82c8ca4d1b440566565c29e0fd6", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: unused return value of `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: unused return value of `bytes::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: `mqtt-codec` (lib) generated 1 warning [INFO] [stderr] warning: `mqtt-codec` (lib test) generated 1 warning [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 15.62s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/mqtt_codec-df89ab7e29f5e29a) [INFO] [stdout] [INFO] [stdout] running 19 tests [INFO] [stdout] test codec::decode::tests::test_decode_connect_packets ... ok [INFO] [stdout] test codec::decode::tests::test_decode_ping_packets ... ok [INFO] [stdout] test codec::decode::tests::test_decode_variable_length ... ok [INFO] [stdout] test codec::encode::tests::test_encode_connect_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::decode::tests::test_decode_subscribe_packets ... ok [INFO] [stdout] test codec::encode::tests::test_encode_ping_packets ... ok [INFO] [stdout] test codec::encode::tests::test_encode_publish_packets ... ok [INFO] [stdout] test codec::encode::tests::test_encode_variable_length ... ok [INFO] [stdout] test codec::encode::tests::test_encode_subscribe_packets ... ok [INFO] [stdout] test topic::tests::test_level ... ok [INFO] [stdout] test topic::tests::test_single_wildcard_topic ... ok [INFO] [stdout] test codec::tests::test_max_size ... 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_parse_topic ... ok [INFO] [stderr] Doc-tests mqtt-codec [INFO] [stdout] test topic::tests::test_valid_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; finished in 0.03s [INFO] [stdout] [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; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "286d171871804a923497cd573a0d732ba18ce82c8ca4d1b440566565c29e0fd6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "286d171871804a923497cd573a0d732ba18ce82c8ca4d1b440566565c29e0fd6", kill_on_drop: false }` [INFO] [stdout] 286d171871804a923497cd573a0d732ba18ce82c8ca4d1b440566565c29e0fd6