[INFO] fetching crate xi-trace 0.2.0...
[INFO] documenting xi-trace-0.2.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate xi-trace 0.2.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate xi-trace 0.2.0 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 xi-trace 0.2.0
[INFO] finished tweaking crates.io crate xi-trace 0.2.0
[INFO] tweaked toml for crates.io crate xi-trace 0.2.0 written to /workspace/builds/worker-7/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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 3a6aa3ac830da54d4cdb8258050739056799432833db149c54c5dad270c2ce92
[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" "3a6aa3ac830da54d4cdb8258050739056799432833db149c54c5dad270c2ce92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a6aa3ac830da54d4cdb8258050739056799432833db149c54c5dad270c2ce92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a6aa3ac830da54d4cdb8258050739056799432833db149c54c5dad270c2ce92", kill_on_drop: false }`
[INFO] [stdout] 3a6aa3ac830da54d4cdb8258050739056799432833db149c54c5dad270c2ce92
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stdout] 72cc8afcd5ff8e227b07fcd478ef706af001ad90826db93859d0f268836cedf0
[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" "72cc8afcd5ff8e227b07fcd478ef706af001ad90826db93859d0f268836cedf0", kill_on_drop: false }`
[INFO] [stderr]  Documenting xi-trace v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unknown attribute `norun`. Did you mean `no_run`?
[INFO] [stdout]   --> src/chrome_trace_dump.rs:66:1
[INFO] [stdout]    |
[INFO] [stdout] 66 | / /// This serializes the samples into the [Chrome trace event format](https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=1&ved=...
[INFO] [stdout] 67 | | ///
[INFO] [stdout] 68 | | /// # Arguments
[INFO] [stdout] 69 | | /// `samples` - Something that can be converted into an iterator of sample
[INFO] [stdout] ...  |
[INFO] [stdout] 83 | | /// serialize(samples.iter(), serialized);
[INFO] [stdout] 84 | | /// ```
[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 2.17s
[INFO] running `Command { std: "docker" "inspect" "72cc8afcd5ff8e227b07fcd478ef706af001ad90826db93859d0f268836cedf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72cc8afcd5ff8e227b07fcd478ef706af001ad90826db93859d0f268836cedf0", kill_on_drop: false }`
[INFO] [stdout] 72cc8afcd5ff8e227b07fcd478ef706af001ad90826db93859d0f268836cedf0