[INFO] fetching crate async-stdio 0.3.0-alpha.4...
[INFO] documenting async-stdio-0.3.0-alpha.4 against 1.54.0 for beta-1.55-rustdoc-1
[INFO] extracting crate async-stdio 0.3.0-alpha.4 into /workspace/builds/worker-77/source
[INFO] validating manifest of crates.io crate async-stdio 0.3.0-alpha.4 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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-77/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 735d46024d8053f1d5c4168af61cbb2c9032cc7587c5a484b33020103f0b40ea
[INFO] running `Command { std: "docker" "start" "-a" "735d46024d8053f1d5c4168af61cbb2c9032cc7587c5a484b33020103f0b40ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "735d46024d8053f1d5c4168af61cbb2c9032cc7587c5a484b33020103f0b40ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "735d46024d8053f1d5c4168af61cbb2c9032cc7587c5a484b33020103f0b40ea", kill_on_drop: false }`
[INFO] [stdout] 735d46024d8053f1d5c4168af61cbb2c9032cc7587c5a484b33020103f0b40ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cc6ed95f9adc430f7e14af4040c59930b4f2f9a3facbe72d6afb8ad575db5814
[INFO] running `Command { std: "docker" "start" "-a" "cc6ed95f9adc430f7e14af4040c59930b4f2f9a3facbe72d6afb8ad575db5814", kill_on_drop: false }`
[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 once_cell v1.8.0
[INFO] [stderr]     Checking thread_local v1.1.3
[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 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 6.55s
[INFO] running `Command { std: "docker" "inspect" "cc6ed95f9adc430f7e14af4040c59930b4f2f9a3facbe72d6afb8ad575db5814", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc6ed95f9adc430f7e14af4040c59930b4f2f9a3facbe72d6afb8ad575db5814", kill_on_drop: false }`
[INFO] [stdout] cc6ed95f9adc430f7e14af4040c59930b4f2f9a3facbe72d6afb8ad575db5814
