[INFO] fetching crate apng 0.3.1...
[INFO] documenting apng-0.3.1 against beta-2023-04-20 for beta-1.70-rustdoc-1
[INFO] extracting crate apng 0.3.1 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate apng 0.3.1 on toolchain beta-2023-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate apng 0.3.1
[INFO] finished tweaking crates.io crate apng 0.3.1
[INFO] tweaked toml for crates.io crate apng 0.3.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded image v0.24.6
[INFO] [stderr]   Downloaded num-rational v0.4.1
[INFO] [stderr]   Downloaded bytemuck v1.13.1
[INFO] [stderr]   Downloaded flate2 v1.0.26
[INFO] [stderr]   Downloaded png v0.17.7
[INFO] [stderr]   Downloaded miniz_oxide v0.7.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6797018b773a911e0acf7c06c14133dd212768b56c2ea81b1145d005dc462e8c
[INFO] running `Command { std: "docker" "start" "-a" "6797018b773a911e0acf7c06c14133dd212768b56c2ea81b1145d005dc462e8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6797018b773a911e0acf7c06c14133dd212768b56c2ea81b1145d005dc462e8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6797018b773a911e0acf7c06c14133dd212768b56c2ea81b1145d005dc462e8c", kill_on_drop: false }`
[INFO] [stdout] 6797018b773a911e0acf7c06c14133dd212768b56c2ea81b1145d005dc462e8c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4ab60ab2e74446017935f47325e9f576f67e737efbb379573a2913f425e0b084
[INFO] running `Command { std: "docker" "start" "-a" "4ab60ab2e74446017935f47325e9f576f67e737efbb379573a2913f425e0b084", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking bytemuck v1.13.1
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking miniz_oxide v0.6.2
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]     Checking flate2 v1.0.26
[INFO] [stderr]     Checking png v0.17.7
[INFO] [stderr]    Compiling syn v2.0.15
[INFO] [stderr]     Checking image v0.24.6
[INFO] [stderr]    Compiling thiserror-impl v1.0.40
[INFO] [stderr]  Documenting apng v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unclosed HTML tag `u16`
[INFO] [stdout]   --> src/png.rs:49:25
[INFO] [stdout]    |
[INFO] [stdout] 49 | /// Safely convert a Vec<u16> to a Vec<u8>
[INFO] [stdout]    |                         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(rustdoc::invalid_html_tags)]` on by default
[INFO] [stdout] help: try marking as source code
[INFO] [stdout]    |
[INFO] [stdout] 49 | /// Safely convert a `Vec<u16>` to a Vec<u8>
[INFO] [stdout]    |                      +        +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unclosed HTML tag `u8`
[INFO] [stdout]   --> src/png.rs:49:39
[INFO] [stdout]    |
[INFO] [stdout] 49 | /// Safely convert a Vec<u16> to a Vec<u8>
[INFO] [stdout]    |                                       ^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: try marking as source code
[INFO] [stdout]    |
[INFO] [stdout] 49 | /// Safely convert a Vec<u16> to a `Vec<u8>`
[INFO] [stdout]    |                                    +       +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.97s
[INFO] running `Command { std: "docker" "inspect" "4ab60ab2e74446017935f47325e9f576f67e737efbb379573a2913f425e0b084", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ab60ab2e74446017935f47325e9f576f67e737efbb379573a2913f425e0b084", kill_on_drop: false }`
[INFO] [stdout] 4ab60ab2e74446017935f47325e9f576f67e737efbb379573a2913f425e0b084
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "rustdoc" "--lib" "-Zrustdoc-map" "-Z" "unstable-options" "--config" "build.rustdocflags=[\"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 22b96fcc80078e91a5218a9c3597156aa5a6efb02be3dbfd9c3d45f2ec0f0fd0
[INFO] running `Command { std: "docker" "start" "-a" "22b96fcc80078e91a5218a9c3597156aa5a6efb02be3dbfd9c3d45f2ec0f0fd0", kill_on_drop: false }`
[INFO] [stderr]  Documenting apng v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "22b96fcc80078e91a5218a9c3597156aa5a6efb02be3dbfd9c3d45f2ec0f0fd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22b96fcc80078e91a5218a9c3597156aa5a6efb02be3dbfd9c3d45f2ec0f0fd0", kill_on_drop: false }`
[INFO] [stdout] 22b96fcc80078e91a5218a9c3597156aa5a6efb02be3dbfd9c3d45f2ec0f0fd0
