[INFO] cloning repository https://github.com/andrewwhitehead/suspend-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/andrewwhitehead/suspend-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrewwhitehead%2Fsuspend-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrewwhitehead%2Fsuspend-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8acdf983e10f56746a5c232101b1969ac8a78ecf
[INFO] documenting andrewwhitehead/suspend-rs against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrewwhitehead%2Fsuspend-rs" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/andrewwhitehead/suspend-rs 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 git repo https://github.com/andrewwhitehead/suspend-rs
[INFO] finished tweaking git repo https://github.com/andrewwhitehead/suspend-rs
[INFO] tweaked toml for git repo https://github.com/andrewwhitehead/suspend-rs written to /workspace/builds/worker-1/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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fastrand v1.5.0
[INFO] [stderr]   Downloaded sharded-slab v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 25c9191961a6ac457b7dec0987d78ac8f44dbe43cbf06ccd94f840d23c13bcad
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "25c9191961a6ac457b7dec0987d78ac8f44dbe43cbf06ccd94f840d23c13bcad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "25c9191961a6ac457b7dec0987d78ac8f44dbe43cbf06ccd94f840d23c13bcad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25c9191961a6ac457b7dec0987d78ac8f44dbe43cbf06ccd94f840d23c13bcad", kill_on_drop: false }`
[INFO] [stdout] 25c9191961a6ac457b7dec0987d78ac8f44dbe43cbf06ccd94f840d23c13bcad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] b81c8f812ecbc6c6820a0086138d5a211a7bc9f6eabf482c764478a9dd2af3e6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b81c8f812ecbc6c6820a0086138d5a211a7bc9f6eabf482c764478a9dd2af3e6", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]     Checking maybe-cell v0.1.1 (/opt/rustwide/workdir/maybe-cell)
[INFO] [stderr]  Documenting maybe-cell v0.1.1 (/opt/rustwide/workdir/maybe-cell)
[INFO] [stderr]     Checking suspend-core v0.1.0 (/opt/rustwide/workdir/suspend-core)
[INFO] [stderr]  Documenting suspend-core v0.1.0 (/opt/rustwide/workdir/suspend-core)
[INFO] [stdout] warning: unused import: `ParkResult`
[INFO] [stdout]   --> suspend-core/src/raw_park/futex.rs:17:28
[INFO] [stdout]    |
[INFO] [stdout] 17 | use crate::types::{Expiry, ParkResult};
[INFO] [stdout]    |                            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0053]: method `park` has an incompatible type for trait
[INFO] [stdout]   --> suspend-core/src/raw_park/futex.rs:71:40
[INFO] [stdout]    |
[INFO] [stdout] 71 |     fn park(&self, timeout: Expiry) -> Result<Option<bool>, LockError> {
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                                        |
[INFO] [stdout]    |                                        expected enum `types::ParkResult`, found enum `std::option::Option`
[INFO] [stdout]    |                                        help: change the output type to match the trait: `std::result::Result<types::ParkResult, error::LockError>`
[INFO] [stdout]    | 
[INFO] [stdout]   ::: suspend-core/src/raw_park/mod.rs:30:40
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn park(&self, timeout: Expiry) -> Result<ParkResult, LockError>;
[INFO] [stdout]    |                                        ----------------------------- type in trait
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected fn pointer `fn(&raw_park::futex::ParkImpl, types::Expiry) -> std::result::Result<types::ParkResult, _>`
[INFO] [stdout]               found fn pointer `fn(&raw_park::futex::ParkImpl, types::Expiry) -> std::result::Result<std::option::Option<bool>, _>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0053`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `suspend-core`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name suspend_core suspend-core/src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --cfg 'feature="std"' --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern cfg_if=/opt/rustwide/target/debug/deps/libcfg_if-86cb6b55248c00db.rmeta --extern futures_core=/opt/rustwide/target/debug/deps/libfutures_core-6f6c56644adc1c28.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-34f3b748d9af774b.rmeta --extern once_cell=/opt/rustwide/target/debug/deps/libonce_cell-f0af484c73954b52.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0053]: method `park` has an incompatible type for trait
[INFO] [stdout]   --> suspend-core/src/raw_park/futex.rs:71:40
[INFO] [stdout]    |
[INFO] [stdout] 71 |     fn park(&self, timeout: Expiry) -> Result<Option<bool>, LockError> {
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                                        |
[INFO] [stdout]    |                                        expected enum `ParkResult`, found enum `Option`
[INFO] [stdout]    |                                        help: change the output type to match the trait: `Result<ParkResult, LockError>`
[INFO] [stdout]    | 
[INFO] [stdout]   ::: suspend-core/src/raw_park/mod.rs:30:40
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn park(&self, timeout: Expiry) -> Result<ParkResult, LockError>;
[INFO] [stdout]    |                                        ----------------------------- type in trait
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected fn pointer `fn(&futex::ParkImpl, Expiry) -> Result<ParkResult, _>`
[INFO] [stdout]               found fn pointer `fn(&futex::ParkImpl, Expiry) -> Result<Option<bool>, _>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0053`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "b81c8f812ecbc6c6820a0086138d5a211a7bc9f6eabf482c764478a9dd2af3e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b81c8f812ecbc6c6820a0086138d5a211a7bc9f6eabf482c764478a9dd2af3e6", kill_on_drop: false }`
[INFO] [stdout] b81c8f812ecbc6c6820a0086138d5a211a7bc9f6eabf482c764478a9dd2af3e6
