[INFO] fetching crate flexible-locks 0.1.0...
[INFO] documenting flexible-locks-0.1.0 against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] extracting crate flexible-locks 0.1.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate flexible-locks 0.1.0 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 flexible-locks 0.1.0
[INFO] finished tweaking crates.io crate flexible-locks 0.1.0
[INFO] tweaked toml for crates.io crate flexible-locks 0.1.0 written to /workspace/builds/worker-11/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]  Downloading crates ...
[INFO] [stderr]   Downloaded parking_lot v0.5.5
[INFO] [stderr]   Downloaded stable_deref_trait v1.2.0
[INFO] [stderr]   Downloaded parking_lot_core v0.2.14
[INFO] [stderr]   Downloaded maybe-uninit v2.0.0
[INFO] [stderr]   Downloaded smallvec v0.6.14
[INFO] [stderr]   Downloaded owning_ref v0.3.3
[INFO] [stderr]   Downloaded flexible-locks_derive v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] b53b557f33e00a1ee38b7a241672ec2a91b45fcd206937bc8e6f36aa02d9941d
[INFO] running `Command { std: "docker" "start" "-a" "b53b557f33e00a1ee38b7a241672ec2a91b45fcd206937bc8e6f36aa02d9941d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b53b557f33e00a1ee38b7a241672ec2a91b45fcd206937bc8e6f36aa02d9941d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b53b557f33e00a1ee38b7a241672ec2a91b45fcd206937bc8e6f36aa02d9941d", kill_on_drop: false }`
[INFO] [stdout] b53b557f33e00a1ee38b7a241672ec2a91b45fcd206937bc8e6f36aa02d9941d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 0576bb76957431d1019a10009cd7154edea58cd5484dbdf244a3a6dc4d0a42da
[INFO] running `Command { std: "docker" "start" "-a" "0576bb76957431d1019a10009cd7154edea58cd5484dbdf244a3a6dc4d0a42da", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling syn v0.13.11
[INFO] [stderr]    Compiling flexible-locks_derive v0.1.0
[INFO] [stderr]  Documenting flexible-locks v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `Mutex`
[INFO] [stdout]   --> src/os.rs:60:45
[INFO] [stdout]    |
[INFO] [stdout] 60 | /// Platform mutex primitives for use with [`Mutex`] and [`MutexWrap`].
[INFO] [stdout]    |                                             ^^^^^^^ no item named `Mutex` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `MutexWrap`
[INFO] [stdout]   --> src/os.rs:60:59
[INFO] [stdout]    |
[INFO] [stdout] 60 | /// Platform mutex primitives for use with [`Mutex`] and [`MutexWrap`].
[INFO] [stdout]    |                                                           ^^^^^^^^^^^ no item named `MutexWrap` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `Mutex`
[INFO] [stdout]   --> src/os.rs:60:45
[INFO] [stdout]    |
[INFO] [stdout] 60 | /// Platform mutex primitives for use with [`Mutex`] and [`MutexWrap`].
[INFO] [stdout]    |                                             ^^^^^^^ no item named `Mutex` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.90s
[INFO] running `Command { std: "docker" "inspect" "0576bb76957431d1019a10009cd7154edea58cd5484dbdf244a3a6dc4d0a42da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0576bb76957431d1019a10009cd7154edea58cd5484dbdf244a3a6dc4d0a42da", kill_on_drop: false }`
[INFO] [stdout] 0576bb76957431d1019a10009cd7154edea58cd5484dbdf244a3a6dc4d0a42da
