[INFO] fetching crate async-read-util 0.2.0...
[INFO] documenting async-read-util-0.2.0 against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] extracting crate async-read-util 0.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate async-read-util 0.2.0 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 async-read-util 0.2.0
[INFO] finished tweaking crates.io crate async-read-util 0.2.0
[INFO] tweaked toml for crates.io crate async-read-util 0.2.0 written to /workspace/builds/worker-4/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]  Downloading crates ...
[INFO] [stderr]   Downloaded smol-potat v1.1.2
[INFO] [stderr]   Downloaded smol-potat-macro v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 9e063534e8a0e5c669353ac3c452c9ab0792c2a861b2f4b6495a6e2b7d3a6930
[INFO] running `Command { std: "docker" "start" "-a" "9e063534e8a0e5c669353ac3c452c9ab0792c2a861b2f4b6495a6e2b7d3a6930", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9e063534e8a0e5c669353ac3c452c9ab0792c2a861b2f4b6495a6e2b7d3a6930", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e063534e8a0e5c669353ac3c452c9ab0792c2a861b2f4b6495a6e2b7d3a6930", kill_on_drop: false }`
[INFO] [stdout] 9e063534e8a0e5c669353ac3c452c9ab0792c2a861b2f4b6495a6e2b7d3a6930
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 43e3942deaae426e6cec1ad2da4aabb97e2562b54d94cdc8b1d1ea43475190fe
[INFO] running `Command { std: "docker" "start" "-a" "43e3942deaae426e6cec1ad2da4aabb97e2562b54d94cdc8b1d1ea43475190fe", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]     Checking futures-io v0.3.16
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]    Compiling futures-macro v0.3.16
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]     Checking pin-project v1.0.8
[INFO] [stderr]     Checking futures-executor v0.3.16
[INFO] [stderr]     Checking futures v0.3.16
[INFO] [stderr]  Documenting async-read-util v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]   --> src/lib.rs:82:1
[INFO] [stdout]    |
[INFO] [stdout] 82 | / /// An async reader which allows a closure to map the output of the inner async
[INFO] [stdout] 83 | | /// reader into a new buffer. This allows things like compression/encryption to
[INFO] [stdout] 84 | | /// be layered on top of a normal reader.
[INFO] [stdout] 85 | | ///
[INFO] [stdout] ...  |
[INFO] [stdout] 93 | | ///
[INFO] [stdout] 94 | | /// ref: https://github.com/rust-lang/rust/issues/63291
[INFO] [stdout]    | |_______________________________________________________^ help: use an automatic link instead: `<https://github.com/rust-lang/rust/issues/63291>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(rustdoc::bare_urls)]` on by default
[INFO] [stdout]    = note: bare URLs are not automatically turned into clickable links
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.23s
[INFO] running `Command { std: "docker" "inspect" "43e3942deaae426e6cec1ad2da4aabb97e2562b54d94cdc8b1d1ea43475190fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43e3942deaae426e6cec1ad2da4aabb97e2562b54d94cdc8b1d1ea43475190fe", kill_on_drop: false }`
[INFO] [stdout] 43e3942deaae426e6cec1ad2da4aabb97e2562b54d94cdc8b1d1ea43475190fe
