[INFO] fetching crate arpabet_types 2.0.0...
[INFO] documenting arpabet_types-2.0.0 against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] extracting crate arpabet_types 2.0.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate arpabet_types 2.0.0 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate arpabet_types 2.0.0
[INFO] finished tweaking crates.io crate arpabet_types 2.0.0
[INFO] tweaked toml for crates.io crate arpabet_types 2.0.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded expectest v0.10.0
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2839b469efb3bd16726d0834d6fdcd10453e7fb9ffc492ca5dc09668b58d1ec7
[INFO] running `Command { std: "docker" "start" "-a" "2839b469efb3bd16726d0834d6fdcd10453e7fb9ffc492ca5dc09668b58d1ec7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2839b469efb3bd16726d0834d6fdcd10453e7fb9ffc492ca5dc09668b58d1ec7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2839b469efb3bd16726d0834d6fdcd10453e7fb9ffc492ca5dc09668b58d1ec7", kill_on_drop: false }`
[INFO] [stdout] 2839b469efb3bd16726d0834d6fdcd10453e7fb9ffc492ca5dc09668b58d1ec7
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 964d51a7faca1fb9f8e9c305aa1a8d00228b2161e44e270416f44dd773adee5e
[INFO] running `Command { std: "docker" "start" "-a" "964d51a7faca1fb9f8e9c305aa1a8d00228b2161e44e270416f44dd773adee5e", kill_on_drop: false }`
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling siphasher v0.3.6
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling phf_macros v0.8.0
[INFO] [stderr]     Checking phf v0.8.0
[INFO] [stderr]  Documenting arpabet_types v2.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: Rust code block is empty
[INFO] [stdout]   --> src/lib.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | //! ```
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(rustdoc::invalid_rust_codeblocks)]` on by default
[INFO] [stdout] help: mark blocks that do not contain Rust code as text
[INFO] [stdout]    |
[INFO] [stdout] 15 | //! ```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 9.85s
[INFO] running `Command { std: "docker" "inspect" "964d51a7faca1fb9f8e9c305aa1a8d00228b2161e44e270416f44dd773adee5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "964d51a7faca1fb9f8e9c305aa1a8d00228b2161e44e270416f44dd773adee5e", kill_on_drop: false }`
[INFO] [stdout] 964d51a7faca1fb9f8e9c305aa1a8d00228b2161e44e270416f44dd773adee5e
