[INFO] fetching crate mqtt-codec 0.3.0... [INFO] testing mqtt-codec-0.3.0 against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530 [INFO] extracting crate mqtt-codec 0.3.0 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate mqtt-codec 0.3.0 on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "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-4/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0b64b49d32db9d9fd27f7c96bb4a170d297d82b181da13d1bb2e00479000d8d6 [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" "0b64b49d32db9d9fd27f7c96bb4a170d297d82b181da13d1bb2e00479000d8d6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0b64b49d32db9d9fd27f7c96bb4a170d297d82b181da13d1bb2e00479000d8d6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0b64b49d32db9d9fd27f7c96bb4a170d297d82b181da13d1bb2e00479000d8d6", kill_on_drop: false }` [INFO] [stdout] 0b64b49d32db9d9fd27f7c96bb4a170d297d82b181da13d1bb2e00479000d8d6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] edfbfdeca1e928eae3244c8e717b8c350deb712714c797a63480e1d1176ff034 [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" "edfbfdeca1e928eae3244c8e717b8c350deb712714c797a63480e1d1176ff034", kill_on_drop: false }` [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling bytes v0.5.6 [INFO] [stderr] Compiling futures-core v0.3.15 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling pin-project-lite v0.1.12 [INFO] [stderr] Compiling futures-sink v0.3.15 [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 4.46s [INFO] running `Command { std: "docker" "inspect" "edfbfdeca1e928eae3244c8e717b8c350deb712714c797a63480e1d1176ff034", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "edfbfdeca1e928eae3244c8e717b8c350deb712714c797a63480e1d1176ff034", kill_on_drop: false }` [INFO] [stdout] edfbfdeca1e928eae3244c8e717b8c350deb712714c797a63480e1d1176ff034 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9e4c077bad13cc102a7f58ff0fe0ad97adfe117cb7240f21ee5b587f9db0f78a [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" "9e4c077bad13cc102a7f58ff0fe0ad97adfe117cb7240f21ee5b587f9db0f78a", kill_on_drop: false }` [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 2.06s [INFO] running `Command { std: "docker" "inspect" "9e4c077bad13cc102a7f58ff0fe0ad97adfe117cb7240f21ee5b587f9db0f78a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9e4c077bad13cc102a7f58ff0fe0ad97adfe117cb7240f21ee5b587f9db0f78a", kill_on_drop: false }` [INFO] [stdout] 9e4c077bad13cc102a7f58ff0fe0ad97adfe117cb7240f21ee5b587f9db0f78a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] f0206acec30ef11eb3ddadd320f3b3a38f696c5e2ca0d660f1a5b051d3892f9a [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" "f0206acec30ef11eb3ddadd320f3b3a38f696c5e2ca0d660f1a5b051d3892f9a", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] warning: unused return value of `BytesMut::split_to` that must be used [INFO] [stdout] running 19 tests [INFO] [stderr] --> src/codec/mod.rs:90:29 [INFO] [stdout] test codec::decode::tests::test_decode_subscribe_packets ... ok [INFO] [stderr] | [INFO] [stdout] test codec::encode::tests::test_encode_subscribe_packets ... ok [INFO] [stderr] 90 | ... src.split_to(consumed + 1); [INFO] [stdout] test codec::encode::tests::test_encode_variable_length ... ok [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] test codec::tests::test_max_size ... ok [INFO] [stderr] | [INFO] [stdout] test codec::decode::tests::test_decode_ping_packets ... ok [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] test topic::tests::test_level ... ok [INFO] [stderr] = note: consider BytesMut::advance if you don't need the other half [INFO] [stdout] test codec::encode::tests::test_encode_connect_packets ... ok [INFO] [stderr] [INFO] [stdout] test topic::tests::test_match_topic ... ok [INFO] [stderr] warning: 1 warning emitted [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: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/mqtt_codec-085addaccb811a06) [INFO] [stdout] test codec::encode::tests::test_encode_publish_packets ... ok [INFO] [stderr] Doc-tests mqtt-codec [INFO] [stdout] test topic::tests::test_multi_wildcard_topic ... ok [INFO] [stdout] test codec::decode::tests::test_decode_connect_packets ... ok [INFO] [stdout] test topic::tests::test_parse_topic ... ok [INFO] [stdout] test topic::tests::test_valid_topic ... ok [INFO] [stdout] test codec::encode::tests::test_encode_fixed_header ... ok [INFO] [stdout] test topic::tests::test_write_topic ... ok [INFO] [stdout] test topic::tests::test_single_wildcard_topic ... ok [INFO] [stdout] test codec::decode::tests::test_decode_publish_packets ... ok [INFO] [stdout] test codec::decode::tests::test_decode_variable_length ... ok [INFO] [stdout] test codec::encode::tests::test_encode_ping_packets ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [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" "f0206acec30ef11eb3ddadd320f3b3a38f696c5e2ca0d660f1a5b051d3892f9a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f0206acec30ef11eb3ddadd320f3b3a38f696c5e2ca0d660f1a5b051d3892f9a", kill_on_drop: false }` [INFO] [stdout] f0206acec30ef11eb3ddadd320f3b3a38f696c5e2ca0d660f1a5b051d3892f9a