[INFO] fetching crate async-stdio 0.3.0-alpha.4...
[INFO] documenting async-stdio-0.3.0-alpha.4 against beta-2023-04-20 for beta-1.70-rustdoc-1
[INFO] extracting crate async-stdio 0.3.0-alpha.4 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate async-stdio 0.3.0-alpha.4 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 async-stdio 0.3.0-alpha.4
[INFO] finished tweaking crates.io crate async-stdio 0.3.0-alpha.4
[INFO] tweaked toml for crates.io crate async-stdio 0.3.0-alpha.4 written to /workspace/builds/worker-4-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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 06ec227b0257bccfd2021944d335ef617ec1e26a55bdae00083f800457424dbb
[INFO] running `Command { std: "docker" "start" "-a" "06ec227b0257bccfd2021944d335ef617ec1e26a55bdae00083f800457424dbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "06ec227b0257bccfd2021944d335ef617ec1e26a55bdae00083f800457424dbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06ec227b0257bccfd2021944d335ef617ec1e26a55bdae00083f800457424dbb", kill_on_drop: false }`
[INFO] [stdout] 06ec227b0257bccfd2021944d335ef617ec1e26a55bdae00083f800457424dbb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] cf311be76b7982d51bc55a65b26546c5c485774cbe94d3b10af48109b05bccc1
[INFO] running `Command { std: "docker" "start" "-a" "cf311be76b7982d51bc55a65b26546c5c485774cbe94d3b10af48109b05bccc1", kill_on_drop: false }`
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling libc v0.2.142
[INFO] [stderr]     Checking futures-sink-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-io-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-channel-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]     Checking futures-executor-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-preview v0.3.0-alpha.19
[INFO] [stderr]  Documenting async-stdio v0.3.0-alpha.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `AsyncWrite::close`
[INFO] [stdout]    --> src/lib.rs:239:10
[INFO] [stdout]     |
[INFO] [stdout] 239 |     /// [AsyncWrite::close] on it which doesn't have an `std` counterpart.
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^ the trait `AsyncWrite` has no associated item named `close`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.12s
[INFO] running `Command { std: "docker" "inspect" "cf311be76b7982d51bc55a65b26546c5c485774cbe94d3b10af48109b05bccc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf311be76b7982d51bc55a65b26546c5c485774cbe94d3b10af48109b05bccc1", kill_on_drop: false }`
[INFO] [stdout] cf311be76b7982d51bc55a65b26546c5c485774cbe94d3b10af48109b05bccc1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/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] b21fa5307e78b21a9f7fe51c90118aa95b4c60dc9585ca0709da8e345773bca5
[INFO] running `Command { std: "docker" "start" "-a" "b21fa5307e78b21a9f7fe51c90118aa95b4c60dc9585ca0709da8e345773bca5", kill_on_drop: false }`
[INFO] [stderr]  Documenting async-stdio v0.3.0-alpha.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `AsyncWrite::close`
[INFO] [stdout]    --> src/lib.rs:239:10
[INFO] [stdout]     |
[INFO] [stdout] 239 |     /// [AsyncWrite::close] on it which doesn't have an `std` counterpart.
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^ the trait `AsyncWrite` has no associated item named `close`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "b21fa5307e78b21a9f7fe51c90118aa95b4c60dc9585ca0709da8e345773bca5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b21fa5307e78b21a9f7fe51c90118aa95b4c60dc9585ca0709da8e345773bca5", kill_on_drop: false }`
[INFO] [stdout] b21fa5307e78b21a9f7fe51c90118aa95b4c60dc9585ca0709da8e345773bca5
