[INFO] fetching crate nrc-protobuf-codegen 2.8.0...
[INFO] checking nrc-protobuf-codegen-2.8.0 against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] extracting crate nrc-protobuf-codegen 2.8.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate nrc-protobuf-codegen 2.8.0 on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nrc-protobuf-codegen 2.8.0
[INFO] finished tweaking crates.io crate nrc-protobuf-codegen 2.8.0
[INFO] tweaked toml for crates.io crate nrc-protobuf-codegen 2.8.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate nrc-protobuf-codegen 2.8.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nrc-protobuf v2.8.0
[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" "rustops/crates-build-env@sha256:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 84a9fc50471f72e159cc3706d99082517ee2563b76b41dc6e4bc7deb27a19003
[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" "84a9fc50471f72e159cc3706d99082517ee2563b76b41dc6e4bc7deb27a19003", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "84a9fc50471f72e159cc3706d99082517ee2563b76b41dc6e4bc7deb27a19003", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84a9fc50471f72e159cc3706d99082517ee2563b76b41dc6e4bc7deb27a19003", kill_on_drop: false }`
[INFO] [stdout] 84a9fc50471f72e159cc3706d99082517ee2563b76b41dc6e4bc7deb27a19003
[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" "rustops/crates-build-env@sha256:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 28e2bef3ecc12c4b1ad6a714865b98d87f54c49faf18aeb1943b4f77198ad986
[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" "28e2bef3ecc12c4b1ad6a714865b98d87f54c49faf18aeb1943b4f77198ad986", kill_on_drop: false }`
[INFO] [stderr]    Compiling nrc-protobuf v2.8.0
[INFO] [stderr]     Checking unicode-segmentation v1.6.0
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking heck v0.3.1
[INFO] [stderr]     Checking nrc-protobuf-codegen v2.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/message.rs:301:77
[INFO] [stdout]     |
[INFO] [stdout] 301 | ...                   self.write_descriptor_field("fields", field, w);;
[INFO] [stdout]     |                                                                       ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/message.rs:301:77
[INFO] [stdout]     |
[INFO] [stdout] 301 | ...                   self.write_descriptor_field("fields", field, w);;
[INFO] [stdout]     |                                                                       ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.20s
[INFO] running `Command { std: "docker" "inspect" "28e2bef3ecc12c4b1ad6a714865b98d87f54c49faf18aeb1943b4f77198ad986", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28e2bef3ecc12c4b1ad6a714865b98d87f54c49faf18aeb1943b4f77198ad986", kill_on_drop: false }`
[INFO] [stdout] 28e2bef3ecc12c4b1ad6a714865b98d87f54c49faf18aeb1943b4f77198ad986