[INFO] fetching crate mqtt-codec 0.3.0...
[INFO] testing mqtt-codec-0.3.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate mqtt-codec 0.3.0 into /workspace/builds/worker-6-tc2/source
[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-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mqtt-codec 0.3.0 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 10 packages to latest compatible versions
[INFO] [stderr]       Adding actix-codec v0.2.0 (available: v0.5.2)
[INFO] [stderr]       Adding bitflags v1.3.2 (available: v2.9.3)
[INFO] [stderr]       Adding bytes v0.5.6 (available: v1.10.1)
[INFO] [stderr]       Adding bytestring v0.1.5 (available: v1.4.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b7b0f7333b715a6f22b19d25726978582f87ae9c97a3c6a7b61a2c8e4e9b7eb8
[INFO] running `Command { std: "docker" "start" "-a" "b7b0f7333b715a6f22b19d25726978582f87ae9c97a3c6a7b61a2c8e4e9b7eb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b7b0f7333b715a6f22b19d25726978582f87ae9c97a3c6a7b61a2c8e4e9b7eb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7b0f7333b715a6f22b19d25726978582f87ae9c97a3c6a7b61a2c8e4e9b7eb8", kill_on_drop: false }`
[INFO] [stdout] b7b0f7333b715a6f22b19d25726978582f87ae9c97a3c6a7b61a2c8e4e9b7eb8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f0cf3e93ce29623a268e286bad741067dff3416cce15582149bc8a487c8ff732
[INFO] running `Command { std: "docker" "start" "-a" "f0cf3e93ce29623a268e286bad741067dff3416cce15582149bc8a487c8ff732", kill_on_drop: false }`
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling pin-project-lite v0.1.12
[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: trait `WriteTopicExt` is never used
[INFO] [stdout]    --> src/topic.rs:307:11
[INFO] [stdout]     |
[INFO] [stdout] 307 | pub trait WriteTopicExt: io::Write {
[INFO] [stdout]     |           ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[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: consider BytesMut::advance if you don't need the other half
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 90 |                             let _ = src.split_to(consumed + 1);
[INFO] [stdout]    |                             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.12s
[INFO] running `Command { std: "docker" "inspect" "f0cf3e93ce29623a268e286bad741067dff3416cce15582149bc8a487c8ff732", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0cf3e93ce29623a268e286bad741067dff3416cce15582149bc8a487c8ff732", kill_on_drop: false }`
[INFO] [stdout] f0cf3e93ce29623a268e286bad741067dff3416cce15582149bc8a487c8ff732
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1922ca72b585ecf3854747543e7942d9b2c3a890e06981da12a48b7afc76354e
[INFO] running `Command { std: "docker" "start" "-a" "1922ca72b585ecf3854747543e7942d9b2c3a890e06981da12a48b7afc76354e", kill_on_drop: false }`
[INFO] [stdout] warning: trait `WriteTopicExt` is never used
[INFO] [stdout]    --> src/topic.rs:307:11
[INFO] [stdout]     |
[INFO] [stdout] 307 | pub trait WriteTopicExt: io::Write {
[INFO] [stdout]     |           ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[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: consider BytesMut::advance if you don't need the other half
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 90 |                             let _ = src.split_to(consumed + 1);
[INFO] [stdout]    |                             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling mqtt-codec v0.3.0 (/opt/rustwide/workdir)
[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: consider BytesMut::advance if you don't need the other half
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 90 |                             let _ = src.split_to(consumed + 1);
[INFO] [stdout]    |                             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.42s
[INFO] running `Command { std: "docker" "inspect" "1922ca72b585ecf3854747543e7942d9b2c3a890e06981da12a48b7afc76354e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1922ca72b585ecf3854747543e7942d9b2c3a890e06981da12a48b7afc76354e", kill_on_drop: false }`
[INFO] [stdout] 1922ca72b585ecf3854747543e7942d9b2c3a890e06981da12a48b7afc76354e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5eaab98730cc858aa10d5cabda7d8cef6965c8306c3a9afb4b1c656f912b3470
[INFO] running `Command { std: "docker" "start" "-a" "5eaab98730cc858aa10d5cabda7d8cef6965c8306c3a9afb4b1c656f912b3470", kill_on_drop: false }`
[INFO] [stderr] warning: trait `WriteTopicExt` is never used
[INFO] [stdout] 
[INFO] [stderr]    --> src/topic.rs:307:11
[INFO] [stdout] running 19 tests
[INFO] [stderr]     |
[INFO] [stdout] test codec::decode::tests::test_decode_publish_packets ... ok
[INFO] [stderr] 307 | pub trait WriteTopicExt: io::Write {
[INFO] [stdout] test codec::decode::tests::test_decode_connect_packets ... ok
[INFO] [stderr]     |           ^^^^^^^^^^^^^
[INFO] [stdout] test codec::decode::tests::test_decode_subscribe_packets ... ok
[INFO] [stderr]     |
[INFO] [stdout] test codec::decode::tests::test_decode_variable_length ... ok
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] test codec::encode::tests::test_encode_connect_packets ... ok
[INFO] [stderr] 
[INFO] [stdout] test codec::encode::tests::test_encode_publish_packets ... ok
[INFO] [stderr] warning: unused return value of `BytesMut::split_to` that must be used
[INFO] [stdout] test codec::encode::tests::test_encode_ping_packets ... ok
[INFO] [stderr]   --> src/codec/mod.rs:90:29
[INFO] [stdout] test codec::encode::tests::test_encode_fixed_header ... 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 topic::tests::test_level ... ok
[INFO] [stderr]    = note: consider BytesMut::advance if you don't need the other half
[INFO] [stdout] test topic::tests::test_valid_topic ... ok
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] test topic::tests::test_multi_wildcard_topic ... ok
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout] test topic::tests::test_parse_topic ... ok
[INFO] [stderr]    |
[INFO] [stdout] test topic::tests::test_single_wildcard_topic ... ok
[INFO] [stderr] 90 |                             let _ = src.split_to(consumed + 1);
[INFO] [stdout] test topic::tests::test_write_topic ... ok
[INFO] [stderr]    |                             +++++++
[INFO] [stdout] test topic::tests::test_match_topic ... ok
[INFO] [stderr] 
[INFO] [stdout] test codec::decode::tests::test_decode_ping_packets ... ok
[INFO] [stderr] warning: unused return value of `bytes::BytesMut::split_to` that must be used
[INFO] [stdout] 
[INFO] [stderr]   --> src/codec/mod.rs:90:29
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr] 90 | ...                   src.split_to(consumed + 1);
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: consider BytesMut::advance if you don't need the other half
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 90 |                             let _ = src.split_to(consumed + 1);
[INFO] [stderr]    |                             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `mqtt-codec` (lib) generated 2 warnings
[INFO] [stderr] warning: `mqtt-codec` (lib test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mqtt_codec-c5edcb10bafb518f)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5eaab98730cc858aa10d5cabda7d8cef6965c8306c3a9afb4b1c656f912b3470", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5eaab98730cc858aa10d5cabda7d8cef6965c8306c3a9afb4b1c656f912b3470", kill_on_drop: false }`
[INFO] [stdout] 5eaab98730cc858aa10d5cabda7d8cef6965c8306c3a9afb4b1c656f912b3470