[INFO] fetching crate ttrpc-compiler 0.3.2...
[INFO] documenting ttrpc-compiler-0.3.2 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate ttrpc-compiler 0.3.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate ttrpc-compiler 0.3.2 on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ttrpc-compiler 0.3.2
[INFO] finished tweaking crates.io crate ttrpc-compiler 0.3.2
[INFO] tweaked toml for crates.io crate ttrpc-compiler 0.3.2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate ttrpc-compiler 0.3.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7c3b03763c7640f115ace2bbe36661a28129418e63223afa69861d7cb53d5090
[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" "7c3b03763c7640f115ace2bbe36661a28129418e63223afa69861d7cb53d5090", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c3b03763c7640f115ace2bbe36661a28129418e63223afa69861d7cb53d5090", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c3b03763c7640f115ace2bbe36661a28129418e63223afa69861d7cb53d5090", kill_on_drop: false }`
[INFO] [stdout] 7c3b03763c7640f115ace2bbe36661a28129418e63223afa69861d7cb53d5090
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--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] 71addd4124460f235a7b3b7872318d5ff5c2d9140d6fc1438d2daa35054d0fe5
[INFO] running `Command { std: "docker" "start" "-a" "71addd4124460f235a7b3b7872318d5ff5c2d9140d6fc1438d2daa35054d0fe5", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.34
[INFO] [stderr]    Compiling protobuf v2.16.2
[INFO] [stderr]     Checking multimap v0.4.0
[INFO] [stderr]     Checking petgraph v0.4.13
[INFO] [stderr]    Compiling backtrace v0.3.50
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]    Compiling prost-derive v0.5.0
[INFO] [stderr]    Compiling prost-build v0.5.0
[INFO] [stderr]     Checking protobuf-codegen v2.16.2
[INFO] [stderr]    Compiling derive-new v0.5.8
[INFO] [stderr]     Checking prost v0.5.0
[INFO] [stderr]     Checking prost-types v0.5.0
[INFO] [stderr]     Checking ttrpc-compiler v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting ttrpc-compiler v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.15s
[INFO] running `Command { std: "docker" "inspect" "71addd4124460f235a7b3b7872318d5ff5c2d9140d6fc1438d2daa35054d0fe5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71addd4124460f235a7b3b7872318d5ff5c2d9140d6fc1438d2daa35054d0fe5", kill_on_drop: false }`
[INFO] [stdout] 71addd4124460f235a7b3b7872318d5ff5c2d9140d6fc1438d2daa35054d0fe5