[INFO] fetching crate cpp_demangle 0.3.1...
[INFO] documenting cpp_demangle-0.3.1 against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] extracting crate cpp_demangle 0.3.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate cpp_demangle 0.3.1 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 cpp_demangle 0.3.1
[INFO] finished tweaking crates.io crate cpp_demangle 0.3.1
[INFO] tweaked toml for crates.io crate cpp_demangle 0.3.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate cpp_demangle 0.3.1 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]  Downloading crates ...
[INFO] [stderr]   Downloaded termion v1.5.1
[INFO] [stderr]   Downloaded atty v0.2.3
[INFO] [stderr]   Downloaded bitflags v1.0.2
[INFO] [stderr]   Downloaded unicode-width v0.1.4
[INFO] [stderr]   Downloaded rustc_version v0.2.2
[INFO] [stderr]   Downloaded vec_map v0.8.0
[INFO] [stderr]   Downloaded diff v0.1.11
[INFO] [stderr]   Downloaded winapi v0.3.4
[INFO] [stderr]   Downloaded afl v0.8.0
[INFO] [stderr]   Downloaded cc v1.0.17
[INFO] [stderr]   Downloaded redox_syscall v0.1.31
[INFO] [stderr]   Downloaded libc v0.2.69
[INFO] [stderr]   Downloaded xdg v2.1.0
[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-2020-10-09" "metadata" "--no-deps" "--format-version=1", 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] c86f0fc14358ef2635df7277163d13c1e5562dbbb07c2cca986191d1df8ec57a
[INFO] running `Command { std: "docker" "start" "-a" "c86f0fc14358ef2635df7277163d13c1e5562dbbb07c2cca986191d1df8ec57a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c86f0fc14358ef2635df7277163d13c1e5562dbbb07c2cca986191d1df8ec57a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c86f0fc14358ef2635df7277163d13c1e5562dbbb07c2cca986191d1df8ec57a", kill_on_drop: false }`
[INFO] [stdout] c86f0fc14358ef2635df7277163d13c1e5562dbbb07c2cca986191d1df8ec57a
[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-2020-10-09" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b7ce7be408f52484142ee84f2f6790a5ceb5a84f7502ed42ab64fb61f5953a9
[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" "9b7ce7be408f52484142ee84f2f6790a5ceb5a84f7502ed42ab64fb61f5953a9", kill_on_drop: false }`
[INFO] [stderr]    Compiling cpp_demangle v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting cpp_demangle v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: Rust code block is empty
[INFO] [stdout]     --> src/ast.rs:3236:5
[INFO] [stdout]      |
[INFO] [stdout] 3236 |   /// ```
[INFO] [stdout]      |  _____^
[INFO] [stdout] 3237 | | /// /* This is the old-style "[unified]" constructor.
[INFO] [stdout] 3238 | | ///    In some cases, we may emit this function and call
[INFO] [stdout] 3239 | | ///    it from the clones in order to share code and save space.  */
[INFO] [stdout] 3240 | | /// ```
[INFO] [stdout]      | |_______^
[INFO] [stdout]      |
[INFO] [stdout] help: mark blocks that do not contain Rust code as text
[INFO] [stdout]      |
[INFO] [stdout] 3236 | /// ```text
[INFO] [stdout]      |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.40s
[INFO] running `Command { std: "docker" "inspect" "9b7ce7be408f52484142ee84f2f6790a5ceb5a84f7502ed42ab64fb61f5953a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b7ce7be408f52484142ee84f2f6790a5ceb5a84f7502ed42ab64fb61f5953a9", kill_on_drop: false }`
[INFO] [stdout] 9b7ce7be408f52484142ee84f2f6790a5ceb5a84f7502ed42ab64fb61f5953a9
