[INFO] crate gpiochip 0.1.1 is already in cache
[INFO] testing gpiochip-0.1.1 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate gpiochip 0.1.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate gpiochip 0.1.1 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-0/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 85859bdc08509493a196bcd70ec73d5c7155f4257839f7b869308cf7299d1691
[INFO] running `"docker" "start" "-a" "85859bdc08509493a196bcd70ec73d5c7155f4257839f7b869308cf7299d1691"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling nix v0.10.0
[INFO] [stderr]    Compiling gpiochip v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:275:20
[INFO] [stderr]     |
[INFO] [stderr] 275 |         let size = try!(from_nix_result(nix::unistd::read(self.file.as_raw_fd(), &mut buf)));
[INFO] [stderr]     |                    ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:286:26
[INFO] [stderr]     |
[INFO] [stderr] 286 |         let mut bitmap = try!(wait_for_event(&[&self], 0));
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:289:13
[INFO] [stderr]     |
[INFO] [stderr] 289 |             try!(self.read());
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:290:22
[INFO] [stderr]     |
[INFO] [stderr] 290 |             bitmap = try!(wait_for_event(&[&self], 0));
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:300:9
[INFO] [stderr]     |
[INFO] [stderr] 300 |         try!(from_nix_result(unsafe {
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:313:9
[INFO] [stderr]     |
[INFO] [stderr] 313 |         try!(from_nix_result(unsafe {
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:325:9
[INFO] [stderr]     |
[INFO] [stderr] 325 |         try!(from_nix_result(unsafe {
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:338:9
[INFO] [stderr]     |
[INFO] [stderr] 338 |         try!(from_nix_result(unsafe {
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:357:9
[INFO] [stderr]     |
[INFO] [stderr] 357 |         try!(from_nix_result(unsafe {
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:372:9
[INFO] [stderr]     |
[INFO] [stderr] 372 |         try!(from_nix_result(unsafe {
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:386:20
[INFO] [stderr]     |
[INFO] [stderr] 386 |         let file = try!(std::fs::File::open(path));
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:387:36
[INFO] [stderr]     |
[INFO] [stderr] 387 |         let (name, label, lines) = try!(GpioChip::chipinfo(file.as_raw_fd()));
[INFO] [stderr]     |                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:397:9
[INFO] [stderr]     |
[INFO] [stderr] 397 |         try!(from_nix_result(unsafe {
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:423:9
[INFO] [stderr]     |
[INFO] [stderr] 423 |         try!(from_nix_result(unsafe {
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:458:9
[INFO] [stderr]     |
[INFO] [stderr] 458 |         try!(from_nix_result(unsafe {
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:480:9
[INFO] [stderr]     |
[INFO] [stderr] 480 |         try!(from_nix_result(unsafe {
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:393:49
[INFO] [stderr]     |
[INFO] [stderr] 393 |     pub fn info(&self, gpio: u32) -> io::Result<(LineInfo)> {
[INFO] [stderr]     |                                                 ^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:408:102
[INFO] [stderr]     |
[INFO] [stderr] 408 |     pub fn request(&self, consumer: &str, flags: RequestFlags, gpio: u32, default: u8) -> io::Result<(GpioHandle)> {
[INFO] [stderr]     |                                                                                                      ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:431:122
[INFO] [stderr]     |
[INFO] [stderr] 431 |     pub fn request_array(&self, consumer: &str, flags: RequestFlags, gpios: &[u32], default_values: &[u8]) -> io::Result<(GpioArrayHandle)> {
[INFO] [stderr]     |                                                                                                                          ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:466:132
[INFO] [stderr]     |
[INFO] [stderr] 466 |     pub fn request_event(&self, consumer: &str, gpio: u32, handleflags: RequestFlags, eventflags: EventRequestFlags) -> io::Result<(GpioEventHandle)> {
[INFO] [stderr]     |                                                                                                                                    ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:491:83
[INFO] [stderr]     |
[INFO] [stderr] 491 | pub fn wait_for_event(events: &[&GpioEventHandle], timeout_ms: i32) -> io::Result<(u64)> {
[INFO] [stderr]     |                                                                                   ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: 21 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.06s
[INFO] running `"docker" "inspect" "85859bdc08509493a196bcd70ec73d5c7155f4257839f7b869308cf7299d1691"`
[INFO] running `"docker" "rm" "-f" "85859bdc08509493a196bcd70ec73d5c7155f4257839f7b869308cf7299d1691"`
[INFO] [stdout] 85859bdc08509493a196bcd70ec73d5c7155f4257839f7b869308cf7299d1691
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5157f28943abee815df344f7bbe4d1ee46f445c5b3e58635d6a8d830e0dc7100
[INFO] running `"docker" "start" "-a" "5157f28943abee815df344f7bbe4d1ee46f445c5b3e58635d6a8d830e0dc7100"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling gpiochip v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:275:20
[INFO] [stderr]     |
[INFO] [stderr] 275 |         let size = try!(from_nix_result(nix::unistd::read(self.file.as_raw_fd(), &mut buf)));
[INFO] [stderr]     |                    ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:286:26
[INFO] [stderr]     |
[INFO] [stderr] 286 |         let mut bitmap = try!(wait_for_event(&[&self], 0));
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:289:13
[INFO] [stderr]     |
[INFO] [stderr] 289 |             try!(self.read());
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:290:22
[INFO] [stderr]     |
[INFO] [stderr] 290 |             bitmap = try!(wait_for_event(&[&self], 0));
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:300:9
[INFO] [stderr]     |
[INFO] [stderr] 300 |         try!(from_nix_result(unsafe {
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:313:9
[INFO] [stderr]     |
[INFO] [stderr] 313 |         try!(from_nix_result(unsafe {
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:325:9
[INFO] [stderr]     |
[INFO] [stderr] 325 |         try!(from_nix_result(unsafe {
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:338:9
[INFO] [stderr]     |
[INFO] [stderr] 338 |         try!(from_nix_result(unsafe {
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:357:9
[INFO] [stderr]     |
[INFO] [stderr] 357 |         try!(from_nix_result(unsafe {
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:372:9
[INFO] [stderr]     |
[INFO] [stderr] 372 |         try!(from_nix_result(unsafe {
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:386:20
[INFO] [stderr]     |
[INFO] [stderr] 386 |         let file = try!(std::fs::File::open(path));
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:387:36
[INFO] [stderr]     |
[INFO] [stderr] 387 |         let (name, label, lines) = try!(GpioChip::chipinfo(file.as_raw_fd()));
[INFO] [stderr]     |                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:397:9
[INFO] [stderr]     |
[INFO] [stderr] 397 |         try!(from_nix_result(unsafe {
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:423:9
[INFO] [stderr]     |
[INFO] [stderr] 423 |         try!(from_nix_result(unsafe {
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:458:9
[INFO] [stderr]     |
[INFO] [stderr] 458 |         try!(from_nix_result(unsafe {
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:480:9
[INFO] [stderr]     |
[INFO] [stderr] 480 |         try!(from_nix_result(unsafe {
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:393:49
[INFO] [stderr]     |
[INFO] [stderr] 393 |     pub fn info(&self, gpio: u32) -> io::Result<(LineInfo)> {
[INFO] [stderr]     |                                                 ^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:408:102
[INFO] [stderr]     |
[INFO] [stderr] 408 |     pub fn request(&self, consumer: &str, flags: RequestFlags, gpio: u32, default: u8) -> io::Result<(GpioHandle)> {
[INFO] [stderr]     |                                                                                                      ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:431:122
[INFO] [stderr]     |
[INFO] [stderr] 431 |     pub fn request_array(&self, consumer: &str, flags: RequestFlags, gpios: &[u32], default_values: &[u8]) -> io::Result<(GpioArrayHandle)> {
[INFO] [stderr]     |                                                                                                                          ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:466:132
[INFO] [stderr]     |
[INFO] [stderr] 466 |     pub fn request_event(&self, consumer: &str, gpio: u32, handleflags: RequestFlags, eventflags: EventRequestFlags) -> io::Result<(GpioEventHandle)> {
[INFO] [stderr]     |                                                                                                                                    ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:491:83
[INFO] [stderr]     |
[INFO] [stderr] 491 | pub fn wait_for_event(events: &[&GpioEventHandle], timeout_ms: i32) -> io::Result<(u64)> {
[INFO] [stderr]     |                                                                                   ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: 21 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:275:20
[INFO] [stderr]     |
[INFO] [stderr] 275 |         let size = try!(from_nix_result(nix::unistd::read(self.file.as_raw_fd(), &mut buf)));
[INFO] [stderr]     |                    ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:286:26
[INFO] [stderr]     |
[INFO] [stderr] 286 |         let mut bitmap = try!(wait_for_event(&[&self], 0));
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:289:13
[INFO] [stderr]     |
[INFO] [stderr] 289 |             try!(self.read());
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:290:22
[INFO] [stderr]     |
[INFO] [stderr] 290 |             bitmap = try!(wait_for_event(&[&self], 0));
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:300:9
[INFO] [stderr]     |
[INFO] [stderr] 300 |         try!(from_nix_result(unsafe {
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:313:9
[INFO] [stderr]     |
[INFO] [stderr] 313 |         try!(from_nix_result(unsafe {
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:325:9
[INFO] [stderr]     |
[INFO] [stderr] 325 |         try!(from_nix_result(unsafe {
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:338:9
[INFO] [stderr]     |
[INFO] [stderr] 338 |         try!(from_nix_result(unsafe {
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:357:9
[INFO] [stderr]     |
[INFO] [stderr] 357 |         try!(from_nix_result(unsafe {
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:372:9
[INFO] [stderr]     |
[INFO] [stderr] 372 |         try!(from_nix_result(unsafe {
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:386:20
[INFO] [stderr]     |
[INFO] [stderr] 386 |         let file = try!(std::fs::File::open(path));
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:387:36
[INFO] [stderr]     |
[INFO] [stderr] 387 |         let (name, label, lines) = try!(GpioChip::chipinfo(file.as_raw_fd()));
[INFO] [stderr]     |                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:397:9
[INFO] [stderr]     |
[INFO] [stderr] 397 |         try!(from_nix_result(unsafe {
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:423:9
[INFO] [stderr]     |
[INFO] [stderr] 423 |         try!(from_nix_result(unsafe {
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:458:9
[INFO] [stderr]     |
[INFO] [stderr] 458 |         try!(from_nix_result(unsafe {
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:480:9
[INFO] [stderr]     |
[INFO] [stderr] 480 |         try!(from_nix_result(unsafe {
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:393:49
[INFO] [stderr]     |
[INFO] [stderr] 393 |     pub fn info(&self, gpio: u32) -> io::Result<(LineInfo)> {
[INFO] [stderr]     |                                                 ^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:408:102
[INFO] [stderr]     |
[INFO] [stderr] 408 |     pub fn request(&self, consumer: &str, flags: RequestFlags, gpio: u32, default: u8) -> io::Result<(GpioHandle)> {
[INFO] [stderr]     |                                                                                                      ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:431:122
[INFO] [stderr]     |
[INFO] [stderr] 431 |     pub fn request_array(&self, consumer: &str, flags: RequestFlags, gpios: &[u32], default_values: &[u8]) -> io::Result<(GpioArrayHandle)> {
[INFO] [stderr]     |                                                                                                                          ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:466:132
[INFO] [stderr]     |
[INFO] [stderr] 466 |     pub fn request_event(&self, consumer: &str, gpio: u32, handleflags: RequestFlags, eventflags: EventRequestFlags) -> io::Result<(GpioEventHandle)> {
[INFO] [stderr]     |                                                                                                                                    ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:491:83
[INFO] [stderr]     |
[INFO] [stderr] 491 | pub fn wait_for_event(events: &[&GpioEventHandle], timeout_ms: i32) -> io::Result<(u64)> {
[INFO] [stderr]     |                                                                                   ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: 21 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `"docker" "inspect" "5157f28943abee815df344f7bbe4d1ee46f445c5b3e58635d6a8d830e0dc7100"`
[INFO] running `"docker" "rm" "-f" "5157f28943abee815df344f7bbe4d1ee46f445c5b3e58635d6a8d830e0dc7100"`
[INFO] [stdout] 5157f28943abee815df344f7bbe4d1ee46f445c5b3e58635d6a8d830e0dc7100
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f1475dc7498a78700493caa739c4d1ae76d1aafb80bf513ee7d48ea05d925fd1
[INFO] running `"docker" "start" "-a" "f1475dc7498a78700493caa739c4d1ae76d1aafb80bf513ee7d48ea05d925fd1"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:275:20
[INFO] [stderr]     |
[INFO] [stderr] 275 |         let size = try!(from_nix_result(nix::unistd::read(self.file.as_raw_fd(), &mut buf)));
[INFO] [stderr]     |                    ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:286:26
[INFO] [stderr]     |
[INFO] [stderr] 286 |         let mut bitmap = try!(wait_for_event(&[&self], 0));
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:289:13
[INFO] [stderr]     |
[INFO] [stderr] 289 |             try!(self.read());
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:290:22
[INFO] [stderr]     |
[INFO] [stderr] 290 |             bitmap = try!(wait_for_event(&[&self], 0));
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:300:9
[INFO] [stderr]     |
[INFO] [stderr] 300 |         try!(from_nix_result(unsafe {
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:313:9
[INFO] [stderr]     |
[INFO] [stderr] 313 |         try!(from_nix_result(unsafe {
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:325:9
[INFO] [stderr]     |
[INFO] [stderr] 325 |         try!(from_nix_result(unsafe {
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:338:9
[INFO] [stderr]     |
[INFO] [stderr] 338 |         try!(from_nix_result(unsafe {
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:357:9
[INFO] [stderr]     |
[INFO] [stderr] 357 |         try!(from_nix_result(unsafe {
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:372:9
[INFO] [stderr]     |
[INFO] [stderr] 372 |         try!(from_nix_result(unsafe {
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:386:20
[INFO] [stderr]     |
[INFO] [stderr] 386 |         let file = try!(std::fs::File::open(path));
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:387:36
[INFO] [stderr]     |
[INFO] [stderr] 387 |         let (name, label, lines) = try!(GpioChip::chipinfo(file.as_raw_fd()));
[INFO] [stderr]     |                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:397:9
[INFO] [stderr]     |
[INFO] [stderr] 397 |         try!(from_nix_result(unsafe {
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:423:9
[INFO] [stderr]     |
[INFO] [stderr] 423 |         try!(from_nix_result(unsafe {
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:458:9
[INFO] [stderr]     |
[INFO] [stderr] 458 |         try!(from_nix_result(unsafe {
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:480:9
[INFO] [stderr]     |
[INFO] [stderr] 480 |         try!(from_nix_result(unsafe {
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:393:49
[INFO] [stderr]     |
[INFO] [stderr] 393 |     pub fn info(&self, gpio: u32) -> io::Result<(LineInfo)> {
[INFO] [stderr]     |                                                 ^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:408:102
[INFO] [stderr]     |
[INFO] [stderr] 408 |     pub fn request(&self, consumer: &str, flags: RequestFlags, gpio: u32, default: u8) -> io::Result<(GpioHandle)> {
[INFO] [stderr]     |                                                                                                      ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:431:122
[INFO] [stderr]     |
[INFO] [stderr] 431 |     pub fn request_array(&self, consumer: &str, flags: RequestFlags, gpios: &[u32], default_values: &[u8]) -> io::Result<(GpioArrayHandle)> {
[INFO] [stderr]     |                                                                                                                          ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:466:132
[INFO] [stderr]     |
[INFO] [stderr] 466 |     pub fn request_event(&self, consumer: &str, gpio: u32, handleflags: RequestFlags, eventflags: EventRequestFlags) -> io::Result<(GpioEventHandle)> {
[INFO] [stderr]     |                                                                                                                                    ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:491:83
[INFO] [stderr]     |
[INFO] [stderr] 491 | pub fn wait_for_event(events: &[&GpioEventHandle], timeout_ms: i32) -> io::Result<(u64)> {
[INFO] [stderr]     |                                                                                   ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: 21 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:275:20
[INFO] [stderr]     |
[INFO] [stderr] 275 |         let size = try!(from_nix_result(nix::unistd::read(self.file.as_raw_fd(), &mut buf)));
[INFO] [stderr]     |                    ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:286:26
[INFO] [stderr]     |
[INFO] [stderr] 286 |         let mut bitmap = try!(wait_for_event(&[&self], 0));
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:289:13
[INFO] [stderr]     |
[INFO] [stderr] 289 |             try!(self.read());
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:290:22
[INFO] [stderr]     |
[INFO] [stderr] 290 |             bitmap = try!(wait_for_event(&[&self], 0));
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:300:9
[INFO] [stderr]     |
[INFO] [stderr] 300 |         try!(from_nix_result(unsafe {
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:313:9
[INFO] [stderr]     |
[INFO] [stderr] 313 |         try!(from_nix_result(unsafe {
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:325:9
[INFO] [stderr]     |
[INFO] [stderr] 325 |         try!(from_nix_result(unsafe {
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:338:9
[INFO] [stderr]     |
[INFO] [stderr] 338 |         try!(from_nix_result(unsafe {
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:357:9
[INFO] [stderr]     |
[INFO] [stderr] 357 |         try!(from_nix_result(unsafe {
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:372:9
[INFO] [stderr]     |
[INFO] [stderr] 372 |         try!(from_nix_result(unsafe {
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:386:20
[INFO] [stderr]     |
[INFO] [stderr] 386 |         let file = try!(std::fs::File::open(path));
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:387:36
[INFO] [stderr]     |
[INFO] [stderr] 387 |         let (name, label, lines) = try!(GpioChip::chipinfo(file.as_raw_fd()));
[INFO] [stderr]     |                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:397:9
[INFO] [stderr]     |
[INFO] [stderr] 397 |         try!(from_nix_result(unsafe {
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:423:9
[INFO] [stderr]     |
[INFO] [stderr] 423 |         try!(from_nix_result(unsafe {
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:458:9
[INFO] [stderr]     |
[INFO] [stderr] 458 |         try!(from_nix_result(unsafe {
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:480:9
[INFO] [stderr]     |
[INFO] [stderr] 480 |         try!(from_nix_result(unsafe {
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:393:49
[INFO] [stderr]     |
[INFO] [stderr] 393 |     pub fn info(&self, gpio: u32) -> io::Result<(LineInfo)> {
[INFO] [stderr]     |                                                 ^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:408:102
[INFO] [stderr]     |
[INFO] [stderr] 408 |     pub fn request(&self, consumer: &str, flags: RequestFlags, gpio: u32, default: u8) -> io::Result<(GpioHandle)> {
[INFO] [stderr]     |                                                                                                      ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:431:122
[INFO] [stderr]     |
[INFO] [stderr] 431 |     pub fn request_array(&self, consumer: &str, flags: RequestFlags, gpios: &[u32], default_values: &[u8]) -> io::Result<(GpioArrayHandle)> {
[INFO] [stderr]     |                                                                                                                          ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:466:132
[INFO] [stderr]     |
[INFO] [stderr] 466 |     pub fn request_event(&self, consumer: &str, gpio: u32, handleflags: RequestFlags, eventflags: EventRequestFlags) -> io::Result<(GpioEventHandle)> {
[INFO] [stderr]     |                                                                                                                                    ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:491:83
[INFO] [stderr]     |
[INFO] [stderr] 491 | pub fn wait_for_event(events: &[&GpioEventHandle], timeout_ms: i32) -> io::Result<(u64)> {
[INFO] [stderr]     |                                                                                   ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: 21 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/gpiochip-a48ea82f46cce132
[INFO] [stderr]    Doc-tests gpiochip
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> /opt/rustwide/workdir/src/lib.rs:393:49
[INFO] [stderr]     |
[INFO] [stderr] 393 |     pub fn info(&self, gpio: u32) -> io::Result<(LineInfo)> {
[INFO] [stderr]     |                                                 ^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> /opt/rustwide/workdir/src/lib.rs:408:102
[INFO] [stderr]     |
[INFO] [stderr] 408 |     pub fn request(&self, consumer: &str, flags: RequestFlags, gpio: u32, default: u8) -> io::Result<(GpioHandle)> {
[INFO] [stderr]     |                                                                                                      ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> /opt/rustwide/workdir/src/lib.rs:431:122
[INFO] [stderr]     |
[INFO] [stderr] 431 |     pub fn request_array(&self, consumer: &str, flags: RequestFlags, gpios: &[u32], default_values: &[u8]) -> io::Result<(GpioArrayHandle)> {
[INFO] [stderr]     |                                                                                                                          ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> /opt/rustwide/workdir/src/lib.rs:466:132
[INFO] [stderr]     |
[INFO] [stderr] 466 |     pub fn request_event(&self, consumer: &str, gpio: u32, handleflags: RequestFlags, eventflags: EventRequestFlags) -> io::Result<(GpioEventHandle)> {
[INFO] [stderr]     |                                                                                                                                    ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> /opt/rustwide/workdir/src/lib.rs:491:83
[INFO] [stderr]     |
[INFO] [stderr] 491 | pub fn wait_for_event(events: &[&GpioEventHandle], timeout_ms: i32) -> io::Result<(u64)> {
[INFO] [stderr]     |                                                                                   ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs -  (line 50) ... FAILED
[INFO] [stdout] test src/lib.rs -  (line 13) ... FAILED
[INFO] [stdout] test src/lib.rs -  (line 36) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs -  (line 50) stdout ----
[INFO] [stdout] error[E0277]: `gpio::EventId` doesn't implement `std::fmt::Debug`
[INFO] [stdout]   --> src/lib.rs:64:65
[INFO] [stdout]    |
[INFO] [stdout] 15 |         println!("gpioA: event @ {:?} - {:?}", event.timestamp, event.id);
[INFO] [stdout]    |                                                                 ^^^^^^^^ `gpio::EventId` cannot be formatted using `{:?}` because it doesn't implement `std::fmt::Debug`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `std::fmt::Debug` is not implemented for `gpio::EventId`
[INFO] [stdout]    = note: required by `std::fmt::Debug::fmt`
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `gpio::EventId` doesn't implement `std::fmt::Debug`
[INFO] [stdout]   --> src/lib.rs:69:65
[INFO] [stdout]    |
[INFO] [stdout] 20 |         println!("gpioB: event @ {:?} - {:?}", event.timestamp, event.id);
[INFO] [stdout]    |                                                                 ^^^^^^^^ `gpio::EventId` cannot be formatted using `{:?}` because it doesn't implement `std::fmt::Debug`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `std::fmt::Debug` is not implemented for `gpio::EventId`
[INFO] [stdout]    = note: required by `std::fmt::Debug::fmt`
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs -  (line 13) stdout ----
[INFO] [stdout] Test executable failed (exit code 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 2, kind: NotFound, message: "No such file or directory" }', src/lib.rs:6:16
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55d481b03d65 - backtrace::backtrace::libunwind::trace::h07c956be65d9b461
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stdout]    1:     0x55d481b03d65 - backtrace::backtrace::trace_unsynchronized::h2fdb9e4177ad4d20
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stdout]    2:     0x55d481b03d65 - std::sys_common::backtrace::_print_fmt::ha62d8426311107ac
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stdout]    3:     0x55d481b03d65 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h3ec6bdab62f1e8d9
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stdout]    4:     0x55d481b2156c - core::fmt::write::h935cb0ed4078a853
[INFO] [stdout]                                at src/libcore/fmt/mod.rs:1076
[INFO] [stdout]    5:     0x55d481b02323 - std::io::Write::write_fmt::hc912aacf8d691eb3
[INFO] [stdout]                                at src/libstd/io/mod.rs:1537
[INFO] [stdout]    6:     0x55d481b06270 - std::sys_common::backtrace::_print::h460db802d801ccf8
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stdout]    7:     0x55d481b06270 - std::sys_common::backtrace::print::h399d664f56640530
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stdout]    8:     0x55d481b06270 - std::panicking::default_hook::{{closure}}::hc6dfd87957c765b8
[INFO] [stdout]                                at src/libstd/panicking.rs:198
[INFO] [stdout]    9:     0x55d481b05fbc - std::panicking::default_hook::hfdceba6d6d1a18ae
[INFO] [stdout]                                at src/libstd/panicking.rs:218
[INFO] [stdout]   10:     0x55d481b06857 - std::panicking::rust_panic_with_hook::hd01e282bff1b1e63
[INFO] [stdout]                                at src/libstd/panicking.rs:486
[INFO] [stdout]   11:     0x55d481b0645b - rust_begin_unwind
[INFO] [stdout]                                at src/libstd/panicking.rs:388
[INFO] [stdout]   12:     0x55d481b20971 - core::panicking::panic_fmt::habd7df443069602c
[INFO] [stdout]                                at src/libcore/panicking.rs:101
[INFO] [stdout]   13:     0x55d481b20793 - core::option::expect_none_failed::h721078758a086285
[INFO] [stdout]                                at src/libcore/option.rs:1272
[INFO] [stdout]   14:     0x55d481af2ca7 - core::result::Result<T,E>::unwrap::h8e6ff41cddb5256e
[INFO] [stdout]   15:     0x55d481af3282 - rust_out::main::hce5147e828914a17
[INFO] [stdout]   16:     0x55d481af2433 - std::rt::lang_start::{{closure}}::h5f92bcc9991fb652
[INFO] [stdout]   17:     0x55d481b06c28 - std::rt::lang_start_internal::{{closure}}::haabc9d435e1b0c2f
[INFO] [stdout]                                at src/libstd/rt.rs:52
[INFO] [stdout]   18:     0x55d481b06c28 - std::panicking::try::do_call::h54d9370b0ac83700
[INFO] [stdout]                                at src/libstd/panicking.rs:297
[INFO] [stdout]   19:     0x55d481b06c28 - std::panicking::try::h85e1c41421d5b6f9
[INFO] [stdout]                                at src/libstd/panicking.rs:274
[INFO] [stdout]   20:     0x55d481b06c28 - std::panic::catch_unwind::hfd957e6c9fdcf274
[INFO] [stdout]                                at src/libstd/panic.rs:394
[INFO] [stdout]   21:     0x55d481b06c28 - std::rt::lang_start_internal::hed9744eef32ef5a1
[INFO] [stdout]                                at src/libstd/rt.rs:51
[INFO] [stdout]   22:     0x55d481af2418 - std::rt::lang_start::h66e0318a0fda6501
[INFO] [stdout]   23:     0x55d481af387b - main
[INFO] [stdout]   24:     0x7fe69d73b0b3 - __libc_start_main
[INFO] [stdout]   25:     0x55d481af217e - _start
[INFO] [stdout]   26:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs -  (line 36) stdout ----
[INFO] [stdout] Test executable failed (exit code 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 2, kind: NotFound, message: "No such file or directory" }', src/lib.rs:6:16
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x56418e875b85 - backtrace::backtrace::libunwind::trace::h07c956be65d9b461
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stdout]    1:     0x56418e875b85 - backtrace::backtrace::trace_unsynchronized::h2fdb9e4177ad4d20
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stdout]    2:     0x56418e875b85 - std::sys_common::backtrace::_print_fmt::ha62d8426311107ac
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stdout]    3:     0x56418e875b85 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h3ec6bdab62f1e8d9
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stdout]    4:     0x56418e89331c - core::fmt::write::h935cb0ed4078a853
[INFO] [stdout]                                at src/libcore/fmt/mod.rs:1076
[INFO] [stdout]    5:     0x56418e8743b3 - std::io::Write::write_fmt::hc912aacf8d691eb3
[INFO] [stdout]                                at src/libstd/io/mod.rs:1537
[INFO] [stdout]    6:     0x56418e878090 - std::sys_common::backtrace::_print::h460db802d801ccf8
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stdout]    7:     0x56418e878090 - std::sys_common::backtrace::print::h399d664f56640530
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stdout]    8:     0x56418e878090 - std::panicking::default_hook::{{closure}}::hc6dfd87957c765b8
[INFO] [stdout]                                at src/libstd/panicking.rs:198
[INFO] [stdout]    9:     0x56418e877ddc - std::panicking::default_hook::hfdceba6d6d1a18ae
[INFO] [stdout]                                at src/libstd/panicking.rs:218
[INFO] [stdout]   10:     0x56418e878677 - std::panicking::rust_panic_with_hook::hd01e282bff1b1e63
[INFO] [stdout]                                at src/libstd/panicking.rs:486
[INFO] [stdout]   11:     0x56418e87827b - rust_begin_unwind
[INFO] [stdout]                                at src/libstd/panicking.rs:388
[INFO] [stdout]   12:     0x56418e892721 - core::panicking::panic_fmt::habd7df443069602c
[INFO] [stdout]                                at src/libcore/panicking.rs:101
[INFO] [stdout]   13:     0x56418e892543 - core::option::expect_none_failed::h721078758a086285
[INFO] [stdout]                                at src/libcore/option.rs:1272
[INFO] [stdout]   14:     0x56418e866777 - core::result::Result<T,E>::unwrap::h8e6ff41cddb5256e
[INFO] [stdout]   15:     0x56418e866d79 - rust_out::main::hce5147e828914a17
[INFO] [stdout]   16:     0x56418e866433 - std::rt::lang_start::{{closure}}::h5f92bcc9991fb652
[INFO] [stdout]   17:     0x56418e878a48 - std::rt::lang_start_internal::{{closure}}::haabc9d435e1b0c2f
[INFO] [stdout]                                at src/libstd/rt.rs:52
[INFO] [stdout]   18:     0x56418e878a48 - std::panicking::try::do_call::h54d9370b0ac83700
[INFO] [stdout]                                at src/libstd/panicking.rs:297
[INFO] [stdout]   19:     0x56418e878a48 - std::panicking::try::h85e1c41421d5b6f9
[INFO] [stdout]                                at src/libstd/panicking.rs:274
[INFO] [stdout]   20:     0x56418e878a48 - std::panic::catch_unwind::hfd957e6c9fdcf274
[INFO] [stdout]                                at src/libstd/panic.rs:394
[INFO] [stdout]   21:     0x56418e878a48 - std::rt::lang_start_internal::hed9744eef32ef5a1
[INFO] [stdout]                                at src/libstd/rt.rs:51
[INFO] [stdout]   22:     0x56418e866418 - std::rt::lang_start::h66e0318a0fda6501
[INFO] [stdout]   23:     0x56418e866f5b - main
[INFO] [stdout]   24:     0x7fa5f8d1f0b3 - __libc_start_main
[INFO] [stdout]   25:     0x56418e86617e - _start
[INFO] [stdout]   26:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs -  (line 13)
[INFO] [stdout]     src/lib.rs -  (line 36)
[INFO] [stdout]     src/lib.rs -  (line 50)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 3 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `"docker" "inspect" "f1475dc7498a78700493caa739c4d1ae76d1aafb80bf513ee7d48ea05d925fd1"`
[INFO] running `"docker" "rm" "-f" "f1475dc7498a78700493caa739c4d1ae76d1aafb80bf513ee7d48ea05d925fd1"`
[INFO] [stdout] f1475dc7498a78700493caa739c4d1ae76d1aafb80bf513ee7d48ea05d925fd1