[INFO] fetching crate slice-deque 0.3.0...
[INFO] documenting slice-deque-0.3.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate slice-deque 0.3.0 into /workspace/builds/worker-36/source
[INFO] validating manifest of crates.io crate slice-deque 0.3.0 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 slice-deque 0.3.0
[INFO] finished tweaking crates.io crate slice-deque 0.3.0
[INFO] tweaked toml for crates.io crate slice-deque 0.3.0 written to /workspace/builds/worker-36/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: Found `feature = ...` in `target.'cfg(...)'.dependencies`. This key is not supported for selecting dependencies and will not work as expected. Use the [features] section instead: https://doc.rust-lang.org/cargo/reference/features.html
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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] ea5fc35e05a962bd4dd016d24b6e34f72e99e910bd0a42642921ffda54857037
[INFO] running `Command { std: "docker" "start" "-a" "ea5fc35e05a962bd4dd016d24b6e34f72e99e910bd0a42642921ffda54857037", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ea5fc35e05a962bd4dd016d24b6e34f72e99e910bd0a42642921ffda54857037", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea5fc35e05a962bd4dd016d24b6e34f72e99e910bd0a42642921ffda54857037", kill_on_drop: false }`
[INFO] [stdout] ea5fc35e05a962bd4dd016d24b6e34f72e99e910bd0a42642921ffda54857037
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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] 7e0d23803765b7edc8b0c004d15e042f1de80e3955af04ccdebaeea77c4ebdb0
[INFO] running `Command { std: "docker" "start" "-a" "7e0d23803765b7edc8b0c004d15e042f1de80e3955af04ccdebaeea77c4ebdb0", kill_on_drop: false }`
[INFO] [stderr] warning: Found `feature = ...` in `target.'cfg(...)'.dependencies`. This key is not supported for selecting dependencies and will not work as expected. Use the [features] section instead: https://doc.rust-lang.org/cargo/reference/features.html
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]  Documenting slice-deque v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: Rust code block is empty
[INFO] [stdout]   --> src/lib.rs:7:5
[INFO] [stdout]    |
[INFO] [stdout] 7  |   //! ```rust
[INFO] [stdout]    |  _____^
[INFO] [stdout] 8  | | //! // [ 0 | 0 | 0 | T | T | T | 0 ]
[INFO] [stdout] 9  | | //! //               ^:head  ^:tail
[INFO] [stdout] 10 | | //! ```
[INFO] [stdout]    | |_______^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(rustdoc::invalid_rust_codeblocks)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: Rust code block is empty
[INFO] [stdout]   --> src/lib.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |   //! ```rust
[INFO] [stdout]    |  _____^
[INFO] [stdout] 16 | | //! // [ T | T | 0 | T | T | T | T ]
[INFO] [stdout] 17 | | //! //       ^:tail  ^:head
[INFO] [stdout] 18 | | //! ```
[INFO] [stdout]    | |_______^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: Rust code block is empty
[INFO] [stdout]   --> src/lib.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |   //! ```rust
[INFO] [stdout]    |  _____^
[INFO] [stdout] 35 | | //! // Virtual memory:
[INFO] [stdout] 36 | | //! //
[INFO] [stdout] 37 | | //! //  __________region_0_________ __________region_1_________
[INFO] [stdout] ...  |
[INFO] [stdout] 44 | | //! //               ^:head  ^:tail
[INFO] [stdout] 45 | | //! ```
[INFO] [stdout]    | |_______^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: Rust code block is empty
[INFO] [stdout]   --> src/lib.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 55 |   //! ```rust
[INFO] [stdout]    |  _____^
[INFO] [stdout] 56 | | //! // Virtual memory:
[INFO] [stdout] 57 | | //! //
[INFO] [stdout] 58 | | //! //  __________region_0_________ __________region_1_________
[INFO] [stdout] ...  |
[INFO] [stdout] 65 | | //! //       ^:tail  ^:head
[INFO] [stdout] 66 | | //! ```
[INFO] [stdout]    | |_______^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.17s
[INFO] running `Command { std: "docker" "inspect" "7e0d23803765b7edc8b0c004d15e042f1de80e3955af04ccdebaeea77c4ebdb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e0d23803765b7edc8b0c004d15e042f1de80e3955af04ccdebaeea77c4ebdb0", kill_on_drop: false }`
[INFO] [stdout] 7e0d23803765b7edc8b0c004d15e042f1de80e3955af04ccdebaeea77c4ebdb0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] c2e54f9904ff68bfa849844ed0768655a43d4663995497d9896dd6fbecb78a17
[INFO] running `Command { std: "docker" "start" "-a" "c2e54f9904ff68bfa849844ed0768655a43d4663995497d9896dd6fbecb78a17", kill_on_drop: false }`
[INFO] [stderr] warning: Found `feature = ...` in `target.'cfg(...)'.dependencies`. This key is not supported for selecting dependencies and will not work as expected. Use the [features] section instead: https://doc.rust-lang.org/cargo/reference/features.html
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]  Documenting slice-deque v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: Rust code block is empty
[INFO] [stdout]   --> src/lib.rs:7:5
[INFO] [stdout]    |
[INFO] [stdout] 7  |   //! ```rust
[INFO] [stdout]    |  _____^
[INFO] [stdout] 8  | | //! // [ 0 | 0 | 0 | T | T | T | 0 ]
[INFO] [stdout] 9  | | //! //               ^:head  ^:tail
[INFO] [stdout] 10 | | //! ```
[INFO] [stdout]    | |_______^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(rustdoc::invalid_rust_codeblocks)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: Rust code block is empty
[INFO] [stdout]   --> src/lib.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |   //! ```rust
[INFO] [stdout]    |  _____^
[INFO] [stdout] 16 | | //! // [ T | T | 0 | T | T | T | T ]
[INFO] [stdout] 17 | | //! //       ^:tail  ^:head
[INFO] [stdout] 18 | | //! ```
[INFO] [stdout]    | |_______^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: Rust code block is empty
[INFO] [stdout]   --> src/lib.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |   //! ```rust
[INFO] [stdout]    |  _____^
[INFO] [stdout] 35 | | //! // Virtual memory:
[INFO] [stdout] 36 | | //! //
[INFO] [stdout] 37 | | //! //  __________region_0_________ __________region_1_________
[INFO] [stdout] ...  |
[INFO] [stdout] 44 | | //! //               ^:head  ^:tail
[INFO] [stdout] 45 | | //! ```
[INFO] [stdout]    | |_______^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: Rust code block is empty
[INFO] [stdout]   --> src/lib.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 55 |   //! ```rust
[INFO] [stdout]    |  _____^
[INFO] [stdout] 56 | | //! // Virtual memory:
[INFO] [stdout] 57 | | //! //
[INFO] [stdout] 58 | | //! //  __________region_0_________ __________region_1_________
[INFO] [stdout] ...  |
[INFO] [stdout] 65 | | //! //       ^:tail  ^:head
[INFO] [stdout] 66 | | //! ```
[INFO] [stdout]    | |_______^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.23s
[INFO] running `Command { std: "docker" "inspect" "c2e54f9904ff68bfa849844ed0768655a43d4663995497d9896dd6fbecb78a17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2e54f9904ff68bfa849844ed0768655a43d4663995497d9896dd6fbecb78a17", kill_on_drop: false }`
[INFO] [stdout] c2e54f9904ff68bfa849844ed0768655a43d4663995497d9896dd6fbecb78a17