[INFO] fetching crate async_io_stream 0.3.2...
[INFO] documenting async_io_stream-0.3.2 against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] extracting crate async_io_stream 0.3.2 into /workspace/builds/worker-20/source
[INFO] validating manifest of crates.io crate async_io_stream 0.3.2 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_io_stream 0.3.2
[INFO] finished tweaking crates.io crate async_io_stream 0.3.2
[INFO] tweaked toml for crates.io crate async_io_stream 0.3.2 written to /workspace/builds/worker-20/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "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-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] 16f7d45244b825893cfcb0fe460ac3a6dc2ebcd67a3ced00119d47d03869d6fd
[INFO] running `Command { std: "docker" "start" "-a" "16f7d45244b825893cfcb0fe460ac3a6dc2ebcd67a3ced00119d47d03869d6fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "16f7d45244b825893cfcb0fe460ac3a6dc2ebcd67a3ced00119d47d03869d6fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16f7d45244b825893cfcb0fe460ac3a6dc2ebcd67a3ced00119d47d03869d6fd", kill_on_drop: false }`
[INFO] [stdout] 16f7d45244b825893cfcb0fe460ac3a6dc2ebcd67a3ced00119d47d03869d6fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] 594aa6ee0525ab52596af9e32ab80a8e2c7aa0fcaa4ac3c31b30e43a7f42339c
[INFO] running `Command { std: "docker" "start" "-a" "594aa6ee0525ab52596af9e32ab80a8e2c7aa0fcaa4ac3c31b30e43a7f42339c", kill_on_drop: false }`
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling futures-core v0.3.16
[INFO] [stderr]    Compiling futures-task v0.3.16
[INFO] [stderr]    Compiling futures-channel v0.3.16
[INFO] [stderr]     Checking futures-sink v0.3.16
[INFO] [stderr]     Checking futures-io v0.3.16
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]     Checking slab v0.4.4
[INFO] [stderr]    Compiling futures-macro v0.3.16
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]    Compiling async_io_stream v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking futures-executor v0.3.16
[INFO] [stderr]     Checking futures v0.3.16
[INFO] [stderr]  Documenting async_io_stream v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `tokio::io::AsyncRead`
[INFO] [stdout]   --> src/lib.rs:65:17
[INFO] [stdout]    |
[INFO] [stdout] 65 | /// Implements [`tokio::io::AsyncRead`] and [`tokio::io::AsyncWrite`] when the `tokio_io` feature is enabled.
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^ no item named `tokio` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `tokio::io::AsyncWrite`
[INFO] [stdout]   --> src/lib.rs:65:46
[INFO] [stdout]    |
[INFO] [stdout] 65 | /// Implements [`tokio::io::AsyncRead`] and [`tokio::io::AsyncWrite`] when the `tokio_io` feature is enabled.
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^^^^^^^ no item named `tokio` in scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.55s
[INFO] running `Command { std: "docker" "inspect" "594aa6ee0525ab52596af9e32ab80a8e2c7aa0fcaa4ac3c31b30e43a7f42339c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "594aa6ee0525ab52596af9e32ab80a8e2c7aa0fcaa4ac3c31b30e43a7f42339c", kill_on_drop: false }`
[INFO] [stdout] 594aa6ee0525ab52596af9e32ab80a8e2c7aa0fcaa4ac3c31b30e43a7f42339c
