[INFO] fetching crate leaky-bucket-lite 0.5.2...
[INFO] documenting leaky-bucket-lite-0.5.2 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate leaky-bucket-lite 0.5.2 into /workspace/builds/worker-31/source
[INFO] validating manifest of crates.io crate leaky-bucket-lite 0.5.2 on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate leaky-bucket-lite 0.5.2
[INFO] finished tweaking crates.io crate leaky-bucket-lite 0.5.2
[INFO] tweaked toml for crates.io crate leaky-bucket-lite 0.5.2 written to /workspace/builds/worker-31/source/Cargo.toml
[INFO] crate crates.io crate leaky-bucket-lite 0.5.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e1979b6115eb599e84e0bbc587c415e12c58fa7de3cde002b8f2f4c0f7baf56c
[INFO] running `Command { std: "docker" "start" "-a" "e1979b6115eb599e84e0bbc587c415e12c58fa7de3cde002b8f2f4c0f7baf56c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e1979b6115eb599e84e0bbc587c415e12c58fa7de3cde002b8f2f4c0f7baf56c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1979b6115eb599e84e0bbc587c415e12c58fa7de3cde002b8f2f4c0f7baf56c", kill_on_drop: false }`
[INFO] [stdout] e1979b6115eb599e84e0bbc587c415e12c58fa7de3cde002b8f2f4c0f7baf56c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d83b740689125214d8754d281c7acfe215d269c70a9f0a17c008bf3009fba014
[INFO] running `Command { std: "docker" "start" "-a" "d83b740689125214d8754d281c7acfe215d269c70a9f0a17c008bf3009fba014", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling libc v0.2.118
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]     Checking pin-project-lite v0.2.8
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]     Checking tokio v1.17.0
[INFO] [stderr]  Documenting leaky-bucket-lite v0.5.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `sync_threadsafe::LeakyBucket`
[INFO] [stdout]   --> src/lib.rs:27:11
[INFO] [stdout]    |
[INFO] [stdout] 27 | //!   * [`sync_threadsafe::LeakyBucket`] (thread-safe, available via the `sync-threadsafe` feature)
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no item named `sync_threadsafe` in scope
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:71:5
[INFO] [stdout]    |
[INFO] [stdout] 71 |     rustdoc::broken_intra_doc_links,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `sync::LeakyBucket`
[INFO] [stdout]   --> src/lib.rs:28:11
[INFO] [stdout]    |
[INFO] [stdout] 28 | //!   * [`sync::LeakyBucket`] (not thread-safe, available via the `sync` feature).
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^ no item named `sync` in scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `parking_lot`
[INFO] [stdout]   --> src/lib.rs:30:82
[INFO] [stdout]    |
[INFO] [stdout] 30 | //! For potential performance increase with `sync-threadsafe` or `tokio` using [`parking_lot`]'s locking objects, enable the `parking_lot...
[INFO] [stdout]    |                                                                                  ^^^^^^^^^^^ no item named `parking_lot` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.69s
[INFO] running `Command { std: "docker" "inspect" "d83b740689125214d8754d281c7acfe215d269c70a9f0a17c008bf3009fba014", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d83b740689125214d8754d281c7acfe215d269c70a9f0a17c008bf3009fba014", kill_on_drop: false }`
[INFO] [stdout] d83b740689125214d8754d281c7acfe215d269c70a9f0a17c008bf3009fba014
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=1" "-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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "rustdoc" "--lib" "-Zrustdoc-map" "--all-features" "--frozen" "--message-format=json" "--" "--cfg" "docsrs" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 857f96fbc2b1483e221db1bf94beca3530c36a55052670e909d2dd6f52fb94e7
[INFO] running `Command { std: "docker" "start" "-a" "857f96fbc2b1483e221db1bf94beca3530c36a55052670e909d2dd6f52fb94e7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling libc v0.2.118
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling parking_lot_core v0.9.1
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]     Checking pin-project-lite v0.2.8
[INFO] [stderr]     Checking lock_api v0.4.6
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking parking_lot v0.12.0
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]     Checking tokio v1.17.0
[INFO] [stderr]  Documenting leaky-bucket-lite v0.5.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.62s
[INFO] running `Command { std: "docker" "inspect" "857f96fbc2b1483e221db1bf94beca3530c36a55052670e909d2dd6f52fb94e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "857f96fbc2b1483e221db1bf94beca3530c36a55052670e909d2dd6f52fb94e7", kill_on_drop: false }`
[INFO] [stdout] 857f96fbc2b1483e221db1bf94beca3530c36a55052670e909d2dd6f52fb94e7