[INFO] fetching crate brpc-build 0.1.0...
[INFO] documenting brpc-build-0.1.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate brpc-build 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate brpc-build 0.1.0 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 brpc-build 0.1.0
[INFO] finished tweaking crates.io crate brpc-build 0.1.0
[INFO] tweaked toml for crates.io crate brpc-build 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 29ef224d0e07174921725421205a386a68df8ce7f1e79a18b4b0ef2e2fc334e7
[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" "29ef224d0e07174921725421205a386a68df8ce7f1e79a18b4b0ef2e2fc334e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "29ef224d0e07174921725421205a386a68df8ce7f1e79a18b4b0ef2e2fc334e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29ef224d0e07174921725421205a386a68df8ce7f1e79a18b4b0ef2e2fc334e7", kill_on_drop: false }`
[INFO] [stdout] 29ef224d0e07174921725421205a386a68df8ce7f1e79a18b4b0ef2e2fc334e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] aff8f81619b020f5e1107a40f055ae0bbe8c11bad9a9a4bae257d8aa018ef3f6
[INFO] running `Command { std: "docker" "start" "-a" "aff8f81619b020f5e1107a40f055ae0bbe8c11bad9a9a4bae257d8aa018ef3f6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling gimli v0.22.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling object v0.20.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling either v1.6.0
[INFO] [stderr]     Checking fixedbitset v0.1.9
[INFO] [stderr]     Checking multimap v0.4.0
[INFO] [stderr]     Checking heck v0.3.1
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking petgraph v0.4.13
[INFO] [stderr]    Compiling addr2line v0.13.0
[INFO] [stderr]    Compiling backtrace v0.3.50
[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 prost v0.5.0
[INFO] [stderr]     Checking prost-types v0.5.0
[INFO] [stderr]  Documenting brpc-build v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unknown attribute `norun`. Did you mean `no_run`?
[INFO] [stdout]   --> src/lib.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | / /// Compile .proto files into Rust files during a Cargo build.
[INFO] [stdout] 22 | | ///
[INFO] [stdout] 23 | | /// The generated `.rs` files will be written to the Cargo `OUT_DIR` directory,
[INFO] [stdout] 24 | | /// suitable for use with the `include!` macro.
[INFO] [stdout] ...  |
[INFO] [stdout] 46 | | /// }
[INFO] [stdout] 47 | | /// ```
[INFO] [stdout]    | |_______^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(invalid_codeblock_attributes)]` on by default
[INFO] [stdout]    = help: the code block will either not be tested if not marked as a rust one or will be run (which you might not want)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.75s
[INFO] running `Command { std: "docker" "inspect" "aff8f81619b020f5e1107a40f055ae0bbe8c11bad9a9a4bae257d8aa018ef3f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aff8f81619b020f5e1107a40f055ae0bbe8c11bad9a9a4bae257d8aa018ef3f6", kill_on_drop: false }`
[INFO] [stdout] aff8f81619b020f5e1107a40f055ae0bbe8c11bad9a9a4bae257d8aa018ef3f6