[INFO] fetching crate nrc-protobuf-codegen 2.8.0...
[INFO] documenting nrc-protobuf-codegen-2.8.0 against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] extracting crate nrc-protobuf-codegen 2.8.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate nrc-protobuf-codegen 2.8.0 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "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-8/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" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c67806078eebd132ef84b8753fba07a33bf2d7eb0b7896a828b8bd85d9ad1bc0
[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" "c67806078eebd132ef84b8753fba07a33bf2d7eb0b7896a828b8bd85d9ad1bc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c67806078eebd132ef84b8753fba07a33bf2d7eb0b7896a828b8bd85d9ad1bc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c67806078eebd132ef84b8753fba07a33bf2d7eb0b7896a828b8bd85d9ad1bc0", kill_on_drop: false }`
[INFO] [stdout] c67806078eebd132ef84b8753fba07a33bf2d7eb0b7896a828b8bd85d9ad1bc0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cb99bf4743aef579a461b5a1a6e65a84a4ab21a0f3cd2f3afb173d2a989ef3ae
[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" "cb99bf4743aef579a461b5a1a6e65a84a4ab21a0f3cd2f3afb173d2a989ef3ae", kill_on_drop: false }`
[INFO] [stderr]    Compiling nrc-protobuf v2.8.0
[INFO] [stderr]     Checking nrc-protobuf-codegen v2.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting 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 8.13s
[INFO] running `Command { std: "docker" "inspect" "cb99bf4743aef579a461b5a1a6e65a84a4ab21a0f3cd2f3afb173d2a989ef3ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb99bf4743aef579a461b5a1a6e65a84a4ab21a0f3cd2f3afb173d2a989ef3ae", kill_on_drop: false }`
[INFO] [stdout] cb99bf4743aef579a461b5a1a6e65a84a4ab21a0f3cd2f3afb173d2a989ef3ae
