[INFO] fetching crate protobuf-codegen-pure 2.23.0...
[INFO] checking protobuf-codegen-pure-2.23.0 against try#e0f03aec47b100bc29555561bd62a99d1bc6aca5 for pr-86231
[INFO] extracting crate protobuf-codegen-pure 2.23.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate protobuf-codegen-pure 2.23.0 on toolchain e0f03aec47b100bc29555561bd62a99d1bc6aca5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate protobuf-codegen-pure 2.23.0
[INFO] finished tweaking crates.io crate protobuf-codegen-pure 2.23.0
[INFO] tweaked toml for crates.io crate protobuf-codegen-pure 2.23.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate protobuf-codegen-pure 2.23.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3405bfade0c131f0937efbf5a8d78b1be917e573da4c83c435720122e7c2b2ae
[INFO] running `Command { std: "docker" "start" "-a" "3405bfade0c131f0937efbf5a8d78b1be917e573da4c83c435720122e7c2b2ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3405bfade0c131f0937efbf5a8d78b1be917e573da4c83c435720122e7c2b2ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3405bfade0c131f0937efbf5a8d78b1be917e573da4c83c435720122e7c2b2ae", kill_on_drop: false }`
[INFO] [stdout] 3405bfade0c131f0937efbf5a8d78b1be917e573da4c83c435720122e7c2b2ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 721e9345ccf0608ab760e4c8b1ee672fd75db5f933978098e7702a5c0991b47e
[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" "721e9345ccf0608ab760e4c8b1ee672fd75db5f933978098e7702a5c0991b47e", kill_on_drop: false }`
[INFO] [stderr]    Compiling protobuf v2.23.0
[INFO] [stderr]     Checking protobuf-codegen v2.23.0
[INFO] [stderr]     Checking protobuf-codegen-pure v2.23.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]     --> src/parser.rs:2073:35
[INFO] [stdout]      |
[INFO] [stdout] 2073 |         if let FieldType::Group { name, fields } = &mess.regular_fields_for_test()[1].typ {
[INFO] [stdout]      |                                   ^^^^ help: try ignoring the field: `name: _`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.23s
[INFO] running `Command { std: "docker" "inspect" "721e9345ccf0608ab760e4c8b1ee672fd75db5f933978098e7702a5c0991b47e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "721e9345ccf0608ab760e4c8b1ee672fd75db5f933978098e7702a5c0991b47e", kill_on_drop: false }`
[INFO] [stdout] 721e9345ccf0608ab760e4c8b1ee672fd75db5f933978098e7702a5c0991b47e