[INFO] crate protobuf-codegen 2.8.1 is already in cache
[INFO] checking protobuf-codegen-2.8.1 against try#e922e6444795ab795fab1943288aee3d543699b8 for pr-66852
[INFO] extracting crate protobuf-codegen 2.8.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate protobuf-codegen 2.8.1 on toolchain e922e6444795ab795fab1943288aee3d543699b8
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e922e6444795ab795fab1943288aee3d543699b8" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate protobuf-codegen 2.8.1
[INFO] finished tweaking crates.io crate protobuf-codegen 2.8.1
[INFO] tweaked toml for crates.io crate protobuf-codegen 2.8.1 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate protobuf-codegen 2.8.1 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e922e6444795ab795fab1943288aee3d543699b8" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e922e6444795ab795fab1943288aee3d543699b8" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 99b383a41d76c2717c0730c31e571172085452bad7b54a16b7aa0e423d819648
[INFO] running `"docker" "start" "-a" "99b383a41d76c2717c0730c31e571172085452bad7b54a16b7aa0e423d819648"`
[INFO] [stderr]     Checking protobuf-codegen v2.8.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/message.rs:301:77
[INFO] [stderr]     |
[INFO] [stderr] 301 | ...                   self.write_descriptor_field("fields", field, w);;
[INFO] [stderr]     |                                                                       ^ help: remove this semicolon
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(redundant_semicolon)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/message.rs:301:77
[INFO] [stderr]     |
[INFO] [stderr] 301 | ...                   self.write_descriptor_field("fields", field, w);;
[INFO] [stderr]     |                                                                       ^ help: remove this semicolon
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(redundant_semicolon)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.05s
[INFO] running `"docker" "inspect" "99b383a41d76c2717c0730c31e571172085452bad7b54a16b7aa0e423d819648"`
[INFO] running `"docker" "rm" "-f" "99b383a41d76c2717c0730c31e571172085452bad7b54a16b7aa0e423d819648"`
[INFO] [stdout] 99b383a41d76c2717c0730c31e571172085452bad7b54a16b7aa0e423d819648