[INFO] fetching crate mqtt-codec 0.3.0...
[INFO] checking mqtt-codec-0.3.0 against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] extracting crate mqtt-codec 0.3.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate mqtt-codec 0.3.0 on toolchain 8007b506ac5da629f223b755f5a5391edd5f6d01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "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-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0e5c90d308d55236d318f302bb061f2f05cf9c21b5d1809ee0437d187b29a50d
[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" "0e5c90d308d55236d318f302bb061f2f05cf9c21b5d1809ee0437d187b29a50d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0e5c90d308d55236d318f302bb061f2f05cf9c21b5d1809ee0437d187b29a50d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e5c90d308d55236d318f302bb061f2f05cf9c21b5d1809ee0437d187b29a50d", kill_on_drop: false }`
[INFO] [stdout] 0e5c90d308d55236d318f302bb061f2f05cf9c21b5d1809ee0437d187b29a50d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0a246e50845ef8ffc7e55d97c180484570906ff8b58a7a671fe9115e41daaf89
[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" "0a246e50845ef8ffc7e55d97c180484570906ff8b58a7a671fe9115e41daaf89", kill_on_drop: false }`
[INFO] [stderr]     Checking bytestring v0.1.5
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]     Checking tokio-util v0.2.0
[INFO] [stderr]     Checking actix-codec v0.2.0
[INFO] [stderr]     Checking 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 dev [unoptimized + debuginfo] target(s) in 1.90s
[INFO] running `Command { std: "docker" "inspect" "0a246e50845ef8ffc7e55d97c180484570906ff8b58a7a671fe9115e41daaf89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a246e50845ef8ffc7e55d97c180484570906ff8b58a7a671fe9115e41daaf89", kill_on_drop: false }`
[INFO] [stdout] 0a246e50845ef8ffc7e55d97c180484570906ff8b58a7a671fe9115e41daaf89