[INFO] fetching crate gpiochip 0.1.1...
[INFO] documenting gpiochip-0.1.1 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate gpiochip 0.1.1 into /workspace/builds/worker-67/source
[INFO] validating manifest of crates.io crate gpiochip 0.1.1 on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gpiochip 0.1.1
[INFO] finished tweaking crates.io crate gpiochip 0.1.1
[INFO] tweaked toml for crates.io crate gpiochip 0.1.1 written to /workspace/builds/worker-67/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "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-2022-05-20" "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-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0341463824d25a5b46f3f8e8c5875a6d6a1c2958db3081357f443d5157c59040
[INFO] running `Command { std: "docker" "start" "-a" "0341463824d25a5b46f3f8e8c5875a6d6a1c2958db3081357f443d5157c59040", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0341463824d25a5b46f3f8e8c5875a6d6a1c2958db3081357f443d5157c59040", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0341463824d25a5b46f3f8e8c5875a6d6a1c2958db3081357f443d5157c59040", kill_on_drop: false }`
[INFO] [stdout] 0341463824d25a5b46f3f8e8c5875a6d6a1c2958db3081357f443d5157c59040
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] afb082c999ae3a370ac07825826f0350d0582af8f7b18898cff7ab7cbb185d14
[INFO] running `Command { std: "docker" "start" "-a" "afb082c999ae3a370ac07825826f0350d0582af8f7b18898cff7ab7cbb185d14", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling nix v0.10.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]  Documenting gpiochip v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:393:49
[INFO] [stdout]     |
[INFO] [stdout] 393 |     pub fn info(&self, gpio: u32) -> io::Result<(LineInfo)> {
[INFO] [stdout]     |                                                 ^        ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 393 -     pub fn info(&self, gpio: u32) -> io::Result<(LineInfo)> {
[INFO] [stdout] 393 +     pub fn info(&self, gpio: u32) -> io::Result<LineInfo> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:408:102
[INFO] [stdout]     |
[INFO] [stdout] 408 |     pub fn request(&self, consumer: &str, flags: RequestFlags, gpio: u32, default: u8) -> io::Result<(GpioHandle)> {
[INFO] [stdout]     |                                                                                                      ^          ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 408 -     pub fn request(&self, consumer: &str, flags: RequestFlags, gpio: u32, default: u8) -> io::Result<(GpioHandle)> {
[INFO] [stdout] 408 +     pub fn request(&self, consumer: &str, flags: RequestFlags, gpio: u32, default: u8) -> io::Result<GpioHandle> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:431:122
[INFO] [stdout]     |
[INFO] [stdout] 431 | ...lags, gpios: &[u32], default_values: &[u8]) -> io::Result<(GpioArrayHandle)> {
[INFO] [stdout]     |                                                              ^               ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 431 -     pub fn request_array(&self, consumer: &str, flags: RequestFlags, gpios: &[u32], default_values: &[u8]) -> io::Result<(GpioArrayHandle)> {
[INFO] [stdout] 431 +     pub fn request_array(&self, consumer: &str, flags: RequestFlags, gpios: &[u32], default_values: &[u8]) -> io::Result<GpioArrayHandle> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:466:132
[INFO] [stdout]     |
[INFO] [stdout] 466 | ...equestFlags, eventflags: EventRequestFlags) -> io::Result<(GpioEventHandle)> {
[INFO] [stdout]     |                                                              ^               ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 466 -     pub fn request_event(&self, consumer: &str, gpio: u32, handleflags: RequestFlags, eventflags: EventRequestFlags) -> io::Result<(GpioEventHandle)> {
[INFO] [stdout] 466 +     pub fn request_event(&self, consumer: &str, gpio: u32, handleflags: RequestFlags, eventflags: EventRequestFlags) -> io::Result<GpioEventHandle> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:491:83
[INFO] [stdout]     |
[INFO] [stdout] 491 | pub fn wait_for_event(events: &[&GpioEventHandle], timeout_ms: i32) -> io::Result<(u64)> {
[INFO] [stdout]     |                                                                                   ^   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 491 - pub fn wait_for_event(events: &[&GpioEventHandle], timeout_ms: i32) -> io::Result<(u64)> {
[INFO] [stdout] 491 + pub fn wait_for_event(events: &[&GpioEventHandle], timeout_ms: i32) -> io::Result<u64> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.87s
[INFO] running `Command { std: "docker" "inspect" "afb082c999ae3a370ac07825826f0350d0582af8f7b18898cff7ab7cbb185d14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afb082c999ae3a370ac07825826f0350d0582af8f7b18898cff7ab7cbb185d14", kill_on_drop: false }`
[INFO] [stdout] afb082c999ae3a370ac07825826f0350d0582af8f7b18898cff7ab7cbb185d14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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" "RUSTFLAGS=--cap-lints=warn" "-e" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=1" "-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" "+beta-2022-05-20" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 229e57692d4de3113dff21fed52fe0bfc78485d4f6f4e635df3cc2553c1120aa
[INFO] running `Command { std: "docker" "start" "-a" "229e57692d4de3113dff21fed52fe0bfc78485d4f6f4e635df3cc2553c1120aa", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling nix v0.10.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]  Documenting gpiochip v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:393:49
[INFO] [stdout]     |
[INFO] [stdout] 393 |     pub fn info(&self, gpio: u32) -> io::Result<(LineInfo)> {
[INFO] [stdout]     |                                                 ^        ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 393 -     pub fn info(&self, gpio: u32) -> io::Result<(LineInfo)> {
[INFO] [stdout] 393 +     pub fn info(&self, gpio: u32) -> io::Result<LineInfo> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:408:102
[INFO] [stdout]     |
[INFO] [stdout] 408 |     pub fn request(&self, consumer: &str, flags: RequestFlags, gpio: u32, default: u8) -> io::Result<(GpioHandle)> {
[INFO] [stdout]     |                                                                                                      ^          ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 408 -     pub fn request(&self, consumer: &str, flags: RequestFlags, gpio: u32, default: u8) -> io::Result<(GpioHandle)> {
[INFO] [stdout] 408 +     pub fn request(&self, consumer: &str, flags: RequestFlags, gpio: u32, default: u8) -> io::Result<GpioHandle> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:431:122
[INFO] [stdout]     |
[INFO] [stdout] 431 | ...lags, gpios: &[u32], default_values: &[u8]) -> io::Result<(GpioArrayHandle)> {
[INFO] [stdout]     |                                                              ^               ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 431 -     pub fn request_array(&self, consumer: &str, flags: RequestFlags, gpios: &[u32], default_values: &[u8]) -> io::Result<(GpioArrayHandle)> {
[INFO] [stdout] 431 +     pub fn request_array(&self, consumer: &str, flags: RequestFlags, gpios: &[u32], default_values: &[u8]) -> io::Result<GpioArrayHandle> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:466:132
[INFO] [stdout]     |
[INFO] [stdout] 466 | ...equestFlags, eventflags: EventRequestFlags) -> io::Result<(GpioEventHandle)> {
[INFO] [stdout]     |                                                              ^               ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 466 -     pub fn request_event(&self, consumer: &str, gpio: u32, handleflags: RequestFlags, eventflags: EventRequestFlags) -> io::Result<(GpioEventHandle)> {
[INFO] [stdout] 466 +     pub fn request_event(&self, consumer: &str, gpio: u32, handleflags: RequestFlags, eventflags: EventRequestFlags) -> io::Result<GpioEventHandle> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:491:83
[INFO] [stdout]     |
[INFO] [stdout] 491 | pub fn wait_for_event(events: &[&GpioEventHandle], timeout_ms: i32) -> io::Result<(u64)> {
[INFO] [stdout]     |                                                                                   ^   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 491 - pub fn wait_for_event(events: &[&GpioEventHandle], timeout_ms: i32) -> io::Result<(u64)> {
[INFO] [stdout] 491 + pub fn wait_for_event(events: &[&GpioEventHandle], timeout_ms: i32) -> io::Result<u64> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.31s
[INFO] running `Command { std: "docker" "inspect" "229e57692d4de3113dff21fed52fe0bfc78485d4f6f4e635df3cc2553c1120aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "229e57692d4de3113dff21fed52fe0bfc78485d4f6f4e635df3cc2553c1120aa", kill_on_drop: false }`
[INFO] [stdout] 229e57692d4de3113dff21fed52fe0bfc78485d4f6f4e635df3cc2553c1120aa