[INFO] fetching crate gpiochip 0.1.1...
[INFO] building gpiochip-0.1.1 against master#ff34b919075f35a1787659e9c448a34b06bab8de for issue-85264
[INFO] extracting crate gpiochip 0.1.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate gpiochip 0.1.1 on toolchain ff34b919075f35a1787659e9c448a34b06bab8de
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "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-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 110c326027c6003e8378fb4a202d67cf7e818c55ddfe120cac6f9cdf76f6cffa
[INFO] running `Command { std: "docker" "start" "-a" "110c326027c6003e8378fb4a202d67cf7e818c55ddfe120cac6f9cdf76f6cffa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "110c326027c6003e8378fb4a202d67cf7e818c55ddfe120cac6f9cdf76f6cffa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "110c326027c6003e8378fb4a202d67cf7e818c55ddfe120cac6f9cdf76f6cffa", kill_on_drop: false }`
[INFO] [stdout] 110c326027c6003e8378fb4a202d67cf7e818c55ddfe120cac6f9cdf76f6cffa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c5aa26419e13a037f4fb609514ab2802e2eb5b8cbe9375853d44226f488d3df7
[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" "c5aa26419e13a037f4fb609514ab2802e2eb5b8cbe9375853d44226f488d3df7", kill_on_drop: false }`
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling nix v0.10.0
[INFO] [stderr]    Compiling gpiochip v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:275:20
[INFO] [stdout]     |
[INFO] [stdout] 275 |         let size = try!(from_nix_result(nix::unistd::read(self.file.as_raw_fd(), &mut buf)));
[INFO] [stdout]     |                    ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:286:26
[INFO] [stdout]     |
[INFO] [stdout] 286 |         let mut bitmap = try!(wait_for_event(&[&self], 0));
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:289:13
[INFO] [stdout]     |
[INFO] [stdout] 289 |             try!(self.read());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:290:22
[INFO] [stdout]     |
[INFO] [stdout] 290 |             bitmap = try!(wait_for_event(&[&self], 0));
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:300:9
[INFO] [stdout]     |
[INFO] [stdout] 300 |         try!(from_nix_result(unsafe {
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:313:9
[INFO] [stdout]     |
[INFO] [stdout] 313 |         try!(from_nix_result(unsafe {
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:325:9
[INFO] [stdout]     |
[INFO] [stdout] 325 |         try!(from_nix_result(unsafe {
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:338:9
[INFO] [stdout]     |
[INFO] [stdout] 338 |         try!(from_nix_result(unsafe {
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:357:9
[INFO] [stdout]     |
[INFO] [stdout] 357 |         try!(from_nix_result(unsafe {
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:372:9
[INFO] [stdout]     |
[INFO] [stdout] 372 |         try!(from_nix_result(unsafe {
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:386:20
[INFO] [stdout]     |
[INFO] [stdout] 386 |         let file = try!(std::fs::File::open(path));
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:387:36
[INFO] [stdout]     |
[INFO] [stdout] 387 |         let (name, label, lines) = try!(GpioChip::chipinfo(file.as_raw_fd()));
[INFO] [stdout]     |                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:397:9
[INFO] [stdout]     |
[INFO] [stdout] 397 |         try!(from_nix_result(unsafe {
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[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]     |                                                 ^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:423:9
[INFO] [stdout]     |
[INFO] [stdout] 423 |         try!(from_nix_result(unsafe {
[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]     |                                                                                                      ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:458:9
[INFO] [stdout]     |
[INFO] [stdout] 458 |         try!(from_nix_result(unsafe {
[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 | ...u32], default_values: &[u8]) -> io::Result<(GpioArrayHandle)> {
[INFO] [stdout]     |                                               ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:480:9
[INFO] [stdout]     |
[INFO] [stdout] 480 |         try!(from_nix_result(unsafe {
[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 | ...entflags: EventRequestFlags) -> io::Result<(GpioEventHandle)> {
[INFO] [stdout]     |                                               ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[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]     |                                                                                   ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.52s
[INFO] running `Command { std: "docker" "inspect" "c5aa26419e13a037f4fb609514ab2802e2eb5b8cbe9375853d44226f488d3df7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5aa26419e13a037f4fb609514ab2802e2eb5b8cbe9375853d44226f488d3df7", kill_on_drop: false }`
[INFO] [stdout] c5aa26419e13a037f4fb609514ab2802e2eb5b8cbe9375853d44226f488d3df7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f41918ac3e2e8b720e310c33be4e4a368ca9196a9ac910bec4504d4a70676671
[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" "f41918ac3e2e8b720e310c33be4e4a368ca9196a9ac910bec4504d4a70676671", kill_on_drop: false }`
[INFO] [stderr]    Compiling gpiochip v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:275:20
[INFO] [stdout]     |
[INFO] [stdout] 275 |         let size = try!(from_nix_result(nix::unistd::read(self.file.as_raw_fd(), &mut buf)));
[INFO] [stdout]     |                    ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:286:26
[INFO] [stdout]     |
[INFO] [stdout] 286 |         let mut bitmap = try!(wait_for_event(&[&self], 0));
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:289:13
[INFO] [stdout]     |
[INFO] [stdout] 289 |             try!(self.read());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:290:22
[INFO] [stdout]     |
[INFO] [stdout] 290 |             bitmap = try!(wait_for_event(&[&self], 0));
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:300:9
[INFO] [stdout]     |
[INFO] [stdout] 300 |         try!(from_nix_result(unsafe {
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:313:9
[INFO] [stdout]     |
[INFO] [stdout] 313 |         try!(from_nix_result(unsafe {
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:325:9
[INFO] [stdout]     |
[INFO] [stdout] 325 |         try!(from_nix_result(unsafe {
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:338:9
[INFO] [stdout]     |
[INFO] [stdout] 338 |         try!(from_nix_result(unsafe {
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:357:9
[INFO] [stdout]     |
[INFO] [stdout] 357 |         try!(from_nix_result(unsafe {
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:372:9
[INFO] [stdout]     |
[INFO] [stdout] 372 |         try!(from_nix_result(unsafe {
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:386:20
[INFO] [stdout]     |
[INFO] [stdout] 386 |         let file = try!(std::fs::File::open(path));
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:387:36
[INFO] [stdout]     |
[INFO] [stdout] 387 |         let (name, label, lines) = try!(GpioChip::chipinfo(file.as_raw_fd()));
[INFO] [stdout]     |                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:397:9
[INFO] [stdout]     |
[INFO] [stdout] 397 |         try!(from_nix_result(unsafe {
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[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]     |                                                 ^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:423:9
[INFO] [stdout]     |
[INFO] [stdout] 423 |         try!(from_nix_result(unsafe {
[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]     |                                                                                                      ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:458:9
[INFO] [stdout]     |
[INFO] [stdout] 458 |         try!(from_nix_result(unsafe {
[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 | ...u32], default_values: &[u8]) -> io::Result<(GpioArrayHandle)> {
[INFO] [stdout]     |                                               ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:480:9
[INFO] [stdout]     |
[INFO] [stdout] 480 |         try!(from_nix_result(unsafe {
[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 | ...entflags: EventRequestFlags) -> io::Result<(GpioEventHandle)> {
[INFO] [stdout]     |                                               ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[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]     |                                                                                   ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:275:20
[INFO] [stdout]     |
[INFO] [stdout] 275 |         let size = try!(from_nix_result(nix::unistd::read(self.file.as_raw_fd(), &mut buf)));
[INFO] [stdout]     |                    ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:286:26
[INFO] [stdout]     |
[INFO] [stdout] 286 |         let mut bitmap = try!(wait_for_event(&[&self], 0));
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:289:13
[INFO] [stdout]     |
[INFO] [stdout] 289 |             try!(self.read());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:290:22
[INFO] [stdout]     |
[INFO] [stdout] 290 |             bitmap = try!(wait_for_event(&[&self], 0));
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:300:9
[INFO] [stdout]     |
[INFO] [stdout] 300 |         try!(from_nix_result(unsafe {
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:313:9
[INFO] [stdout]     |
[INFO] [stdout] 313 |         try!(from_nix_result(unsafe {
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:325:9
[INFO] [stdout]     |
[INFO] [stdout] 325 |         try!(from_nix_result(unsafe {
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:338:9
[INFO] [stdout]     |
[INFO] [stdout] 338 |         try!(from_nix_result(unsafe {
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:357:9
[INFO] [stdout]     |
[INFO] [stdout] 357 |         try!(from_nix_result(unsafe {
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:372:9
[INFO] [stdout]     |
[INFO] [stdout] 372 |         try!(from_nix_result(unsafe {
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:386:20
[INFO] [stdout]     |
[INFO] [stdout] 386 |         let file = try!(std::fs::File::open(path));
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:387:36
[INFO] [stdout]     |
[INFO] [stdout] 387 |         let (name, label, lines) = try!(GpioChip::chipinfo(file.as_raw_fd()));
[INFO] [stdout]     |                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:397:9
[INFO] [stdout]     |
[INFO] [stdout] 397 |         try!(from_nix_result(unsafe {
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[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]     |                                                 ^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:423:9
[INFO] [stdout]     |
[INFO] [stdout] 423 |         try!(from_nix_result(unsafe {
[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]     |                                                                                                      ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:458:9
[INFO] [stdout]     |
[INFO] [stdout] 458 |         try!(from_nix_result(unsafe {
[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 | ...u32], default_values: &[u8]) -> io::Result<(GpioArrayHandle)> {
[INFO] [stdout]     |                                               ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:480:9
[INFO] [stdout]     |
[INFO] [stdout] 480 |         try!(from_nix_result(unsafe {
[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 | ...entflags: EventRequestFlags) -> io::Result<(GpioEventHandle)> {
[INFO] [stdout]     |                                               ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[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]     |                                                                                   ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `Command { std: "docker" "inspect" "f41918ac3e2e8b720e310c33be4e4a368ca9196a9ac910bec4504d4a70676671", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f41918ac3e2e8b720e310c33be4e4a368ca9196a9ac910bec4504d4a70676671", kill_on_drop: false }`
[INFO] [stdout] f41918ac3e2e8b720e310c33be4e4a368ca9196a9ac910bec4504d4a70676671
