[INFO] fetching crate forkjoin 2.3.0...
[INFO] documenting forkjoin-2.3.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate forkjoin 2.3.0 into /workspace/builds/worker-69/source
[INFO] validating manifest of crates.io crate forkjoin 2.3.0 on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate forkjoin 2.3.0
[INFO] finished tweaking crates.io crate forkjoin 2.3.0
[INFO] tweaked toml for crates.io crate forkjoin 2.3.0 written to /workspace/builds/worker-69/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "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" "+1.61.0" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded deque v0.2.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ef71c1767201d3aa7e95a74bb8ff49683ce24d034a19d198658321a7435378bc
[INFO] running `Command { std: "docker" "start" "-a" "ef71c1767201d3aa7e95a74bb8ff49683ce24d034a19d198658321a7435378bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef71c1767201d3aa7e95a74bb8ff49683ce24d034a19d198658321a7435378bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef71c1767201d3aa7e95a74bb8ff49683ce24d034a19d198658321a7435378bc", kill_on_drop: false }`
[INFO] [stdout] ef71c1767201d3aa7e95a74bb8ff49683ce24d034a19d198658321a7435378bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 376ace932512f7d25ac90f0c67f5df958dc6cd61edb5c7bfd4add9870dfd5832
[INFO] running `Command { std: "docker" "start" "-a" "376ace932512f7d25ac90f0c67f5df958dc6cd61edb5c7bfd4add9870dfd5832", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking num_cpus v0.2.13
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking deque v0.2.3
[INFO] [stderr]  Documenting forkjoin v2.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: could not find `funcs` in `libc`
[INFO] [stdout]   --> src/workerthread.rs:21:11
[INFO] [stdout]    |
[INFO] [stdout] 21 | use libc::funcs::posix88::unistd::usleep;
[INFO] [stdout]    |           ^^^^^ could not find `funcs` in `libc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not document `forkjoin`
[INFO] [stdout] error[E0412]: cannot find type `JoinGuard` in module `thread`
[INFO] [stdout]   --> src/workerthread.rs:81:39
[INFO] [stdout]    |
[INFO] [stdout] 81 |     pub fn spawn(mut self) -> thread::JoinGuard<'a, ()> {
[INFO] [stdout]    |                                       ^^^^^^^^^ not found in `thread`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] error[E0412]: cannot find type `JoinGuard` in module `thread`
[INFO] [stdout]   --> src/poolsupervisor.rs:42:24
[INFO] [stdout]    |
[INFO] [stdout] 42 |     joinguard: thread::JoinGuard<'thread, ()>,
[INFO] [stdout]    |                        ^^^^^^^^^ not found in `thread`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] Caused by:
[INFO] [stdout] error[E0412]: cannot find type `JoinGuard` in module `thread`
[INFO] [stdout]   --> src/poolsupervisor.rs:54:79
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub fn spawn(nthreads: usize) -> (Sender<SupervisorMsg<Arg,Ret>>, thread::JoinGuard<'t, ()>) {
[INFO] [stdout]    |                                                                               ^^^^^^^^^ not found in `thread`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name forkjoin src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=57133831a168dc9f -L dependency=/opt/rustwide/target/debug/deps --extern deque=/opt/rustwide/target/debug/deps/libdeque-f601e32ff6371445.rmeta --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-75bf7d07fd53373f.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-8c59ebd94109a87b.rmeta --cap-lints=warn --crate-version 2.3.0` (exit status: 1)
[INFO] [stdout] error[E0412]: cannot find type `JoinGuard` in module `thread`
[INFO] [stdout]    --> src/poolsupervisor.rs:122:38
[INFO] [stdout]     |
[INFO] [stdout] 122 |     fn start_thread(self) -> thread::JoinGuard<'t, ()> {
[INFO] [stdout]     |                                      ^^^^^^^^^ not found in `thread`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `JoinGuard` in module `thread`
[INFO] [stdout]    --> src/lib.rs:449:24
[INFO] [stdout]     |
[INFO] [stdout] 449 |     joinguard: thread::JoinGuard<'a, ()>,
[INFO] [stdout]     |                        ^^^^^^^^^ not found in `thread`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 7 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "376ace932512f7d25ac90f0c67f5df958dc6cd61edb5c7bfd4add9870dfd5832", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "376ace932512f7d25ac90f0c67f5df958dc6cd61edb5c7bfd4add9870dfd5832", kill_on_drop: false }`
[INFO] [stdout] 376ace932512f7d25ac90f0c67f5df958dc6cd61edb5c7bfd4add9870dfd5832