[INFO] fetching crate async-file-lock 0.1.4...
[INFO] documenting async-file-lock-0.1.4 against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] extracting crate async-file-lock 0.1.4 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate async-file-lock 0.1.4 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-file-lock 0.1.4
[INFO] finished tweaking crates.io crate async-file-lock 0.1.4
[INFO] tweaked toml for crates.io crate async-file-lock 0.1.4 written to /workspace/builds/worker-15/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 fs3 v0.5.0
[INFO] [stderr]   Downloaded fork v0.1.18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 87799b6c5bc77154a94246ad54e078412ea68b81e17ecd1264a9eef9bb00a490
[INFO] running `Command { std: "docker" "start" "-a" "87799b6c5bc77154a94246ad54e078412ea68b81e17ecd1264a9eef9bb00a490", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "87799b6c5bc77154a94246ad54e078412ea68b81e17ecd1264a9eef9bb00a490", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87799b6c5bc77154a94246ad54e078412ea68b81e17ecd1264a9eef9bb00a490", kill_on_drop: false }`
[INFO] [stdout] 87799b6c5bc77154a94246ad54e078412ea68b81e17ecd1264a9eef9bb00a490
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] c5310ac31d11b0dd48dcc5cdf13776c27d7ad8363173a0e855aa500cbd9f5a7e
[INFO] running `Command { std: "docker" "start" "-a" "c5310ac31d11b0dd48dcc5cdf13776c27d7ad8363173a0e855aa500cbd9f5a7e", 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] [stderr]    Compiling fs3 v0.5.0
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]  Documenting async-file-lock v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `self::io::AsyncWriteExt::write_all`
[INFO] [stdout]    --> src/lib.rs:169:24
[INFO] [stdout]     |
[INFO] [stdout] 169 |     /// [`write_all`]: fn@crate::io::AsyncWriteExt::write_all
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no item named `io` in module `async_file_lock`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `self::io::AsyncWriteExt`
[INFO] [stdout]    --> src/lib.rs:170:28
[INFO] [stdout]     |
[INFO] [stdout] 170 |     /// [`AsyncWriteExt`]: trait@crate::io::AsyncWriteExt
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no item named `io` in module `async_file_lock`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.21s
[INFO] running `Command { std: "docker" "inspect" "c5310ac31d11b0dd48dcc5cdf13776c27d7ad8363173a0e855aa500cbd9f5a7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5310ac31d11b0dd48dcc5cdf13776c27d7ad8363173a0e855aa500cbd9f5a7e", kill_on_drop: false }`
[INFO] [stdout] c5310ac31d11b0dd48dcc5cdf13776c27d7ad8363173a0e855aa500cbd9f5a7e
