[INFO] fetching crate asynchronous-codec 0.6.0...
[INFO] documenting asynchronous-codec-0.6.0 against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] extracting crate asynchronous-codec 0.6.0 into /workspace/builds/worker-16/source
[INFO] validating manifest of crates.io crate asynchronous-codec 0.6.0 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 asynchronous-codec 0.6.0
[INFO] finished tweaking crates.io crate asynchronous-codec 0.6.0
[INFO] tweaked toml for crates.io crate asynchronous-codec 0.6.0 written to /workspace/builds/worker-16/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-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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] a0035bf1a65cc590a817f8bfdaebb3bc6ccd86129e0ac64bbb0f7dd42efe036e
[INFO] running `Command { std: "docker" "start" "-a" "a0035bf1a65cc590a817f8bfdaebb3bc6ccd86129e0ac64bbb0f7dd42efe036e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a0035bf1a65cc590a817f8bfdaebb3bc6ccd86129e0ac64bbb0f7dd42efe036e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0035bf1a65cc590a817f8bfdaebb3bc6ccd86129e0ac64bbb0f7dd42efe036e", kill_on_drop: false }`
[INFO] [stdout] a0035bf1a65cc590a817f8bfdaebb3bc6ccd86129e0ac64bbb0f7dd42efe036e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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] 19ae5d9b52d1389a5604b4c51d8bc44bc84b99831185887aad56a495fbaca12c
[INFO] running `Command { std: "docker" "start" "-a" "19ae5d9b52d1389a5604b4c51d8bc44bc84b99831185887aad56a495fbaca12c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling futures-core v0.3.16
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling futures-channel v0.3.16
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]    Compiling futures-macro v0.3.16
[INFO] [stderr]  Documenting asynchronous-codec v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `futures::io::AsyncRead`
[INFO] [stdout]  --> src/lib.rs:4:66
[INFO] [stdout]   |
[INFO] [stdout] 4 | //! Contains adapters to go from streams of bytes, [`AsyncRead`](futures::io::AsyncRead)
[INFO] [stdout]   |                                                                  ^^^^^^^^^^^^^^^^^^^^^^ no item named `futures` 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 `futures::io::AsyncWrite`
[INFO] [stdout]  --> src/lib.rs:5:24
[INFO] [stdout]   |
[INFO] [stdout] 5 | //! and [`AsyncWrite`](futures::io::AsyncWrite), to framed streams implementing [`Sink`](futures::Sink) and [`Stream`](futures::Stream).
[INFO] [stdout]   |                        ^^^^^^^^^^^^^^^^^^^^^^^ no item named `futures` in scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `futures::Sink`
[INFO] [stdout]  --> src/lib.rs:5:90
[INFO] [stdout]   |
[INFO] [stdout] 5 | //! and [`AsyncWrite`](futures::io::AsyncWrite), to framed streams implementing [`Sink`](futures::Sink) and [`Stream`](futures::Stream).
[INFO] [stdout]   |                                                                                          ^^^^^^^^^^^^^ no item named `futures` in scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `futures::Stream`
[INFO] [stdout]  --> src/lib.rs:5:120
[INFO] [stdout]   |
[INFO] [stdout] 5 | //! and [`AsyncWrite`](futures::io::AsyncWrite), to framed streams implementing [`Sink`](futures::Sink) and [`Stream`](futures::Stream).
[INFO] [stdout]   |                                                                                                                        ^^^^^^^^^^^^^^^ no item named `futures` in scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.90s
[INFO] running `Command { std: "docker" "inspect" "19ae5d9b52d1389a5604b4c51d8bc44bc84b99831185887aad56a495fbaca12c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19ae5d9b52d1389a5604b4c51d8bc44bc84b99831185887aad56a495fbaca12c", kill_on_drop: false }`
[INFO] [stdout] 19ae5d9b52d1389a5604b4c51d8bc44bc84b99831185887aad56a495fbaca12c
