[INFO] fetching crate protobuf-codegen-pure 2.24.1...
[INFO] checking protobuf-codegen-pure-2.24.1 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] extracting crate protobuf-codegen-pure 2.24.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate protobuf-codegen-pure 2.24.1 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate protobuf-codegen-pure 2.24.1
[INFO] finished tweaking crates.io crate protobuf-codegen-pure 2.24.1
[INFO] tweaked toml for crates.io crate protobuf-codegen-pure 2.24.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate protobuf-codegen-pure 2.24.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4307790d73c04f9a53b9743a5ed2e0708314fedc11c8db9c86067ecbadc6cd95
[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" "4307790d73c04f9a53b9743a5ed2e0708314fedc11c8db9c86067ecbadc6cd95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4307790d73c04f9a53b9743a5ed2e0708314fedc11c8db9c86067ecbadc6cd95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4307790d73c04f9a53b9743a5ed2e0708314fedc11c8db9c86067ecbadc6cd95", kill_on_drop: false }`
[INFO] [stdout] 4307790d73c04f9a53b9743a5ed2e0708314fedc11c8db9c86067ecbadc6cd95
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 705118cf1fcdc5fac65505c9f65d4033b20ba4dd22c6acb058e7ac640e905b72
[INFO] running `Command { std: "docker" "start" "-a" "705118cf1fcdc5fac65505c9f65d4033b20ba4dd22c6acb058e7ac640e905b72", kill_on_drop: false }`
[INFO] [stderr]     Checking protobuf-codegen-pure v2.24.1 (/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 1.41s
[INFO] running `Command { std: "docker" "inspect" "705118cf1fcdc5fac65505c9f65d4033b20ba4dd22c6acb058e7ac640e905b72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "705118cf1fcdc5fac65505c9f65d4033b20ba4dd22c6acb058e7ac640e905b72", kill_on_drop: false }`
[INFO] [stdout] 705118cf1fcdc5fac65505c9f65d4033b20ba4dd22c6acb058e7ac640e905b72