[INFO] fetching crate protobuf-codegen-pure 2.23.0...
[INFO] checking protobuf-codegen-pure-2.23.0 against try#3bb2879ea9e58d65b875f9a98df44f4a43ce2597 for pr-85387
[INFO] extracting crate protobuf-codegen-pure 2.23.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate protobuf-codegen-pure 2.23.0 on toolchain 3bb2879ea9e58d65b875f9a98df44f4a43ce2597
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "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-14/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" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 32d6a877c0c1544437be3b5a173dd9a44521453f9e9a3f7734bda1593ca111cc
[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" "32d6a877c0c1544437be3b5a173dd9a44521453f9e9a3f7734bda1593ca111cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "32d6a877c0c1544437be3b5a173dd9a44521453f9e9a3f7734bda1593ca111cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32d6a877c0c1544437be3b5a173dd9a44521453f9e9a3f7734bda1593ca111cc", kill_on_drop: false }`
[INFO] [stdout] 32d6a877c0c1544437be3b5a173dd9a44521453f9e9a3f7734bda1593ca111cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c53e08de825aa50a0997f405d4fbd51af21c7c9856c1cc2571d2a6e8e700e7f1
[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" "c53e08de825aa50a0997f405d4fbd51af21c7c9856c1cc2571d2a6e8e700e7f1", 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 9.40s
[INFO] running `Command { std: "docker" "inspect" "c53e08de825aa50a0997f405d4fbd51af21c7c9856c1cc2571d2a6e8e700e7f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c53e08de825aa50a0997f405d4fbd51af21c7c9856c1cc2571d2a6e8e700e7f1", kill_on_drop: false }`
[INFO] [stdout] c53e08de825aa50a0997f405d4fbd51af21c7c9856c1cc2571d2a6e8e700e7f1