[INFO] crate gpio 0.4.1 is already in cache [INFO] extracting crate gpio 0.4.1 into work/ex/clippy-test-run/sources/stable/reg/gpio/0.4.1 [INFO] extracting crate gpio 0.4.1 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/gpio/0.4.1 [INFO] validating manifest of gpio-0.4.1 on toolchain stable [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of gpio-0.4.1 on toolchain stable+rustflags=-Dclippy::into_iter_on_array [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing gpio-0.4.1 [INFO] finished frobbing gpio-0.4.1 [INFO] frobbed toml for gpio-0.4.1 written to work/ex/clippy-test-run/sources/stable/reg/gpio/0.4.1/Cargo.toml [INFO] started frobbing gpio-0.4.1 [INFO] finished frobbing gpio-0.4.1 [INFO] frobbed toml for gpio-0.4.1 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/gpio/0.4.1/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] linting gpio-0.4.1 against stable+rustflags=-Dclippy::into_iter_on_array for clippy-test-run [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-7/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/gpio/0.4.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Dclippy::into_iter_on_array" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+stable" "clippy" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 72fc6b73ab4d5cb7477a625e2fb0998db1aac4bea35f6ff1453db37e9b45d125 [INFO] running `"docker" "start" "-a" "72fc6b73ab4d5cb7477a625e2fb0998db1aac4bea35f6ff1453db37e9b45d125"` [INFO] [stderr] Checking gpio v0.4.1 (/opt/crater/workdir) [INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead [INFO] [stderr] --> src/sysfs.rs:92:13 [INFO] [stderr] | [INFO] [stderr] 92 | write!(fp, "{}\n", self.gpio_num).ok(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::write_with_newline)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline [INFO] [stderr] [INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead [INFO] [stderr] --> src/sysfs.rs:92:13 [INFO] [stderr] | [INFO] [stderr] 92 | write!(fp, "{}\n", self.gpio_num).ok(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::write_with_newline)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline [INFO] [stderr] [INFO] [stderr] warning: redundant pattern matching, consider using `is_err()` [INFO] [stderr] --> src/sysfs.rs:23:12 [INFO] [stderr] | [INFO] [stderr] 23 | if let Err(_) = fs::metadata(&format!("/sys/class/gpio/gpio{}", gpio_num)) { [INFO] [stderr] | _____- ^^^^^^ [INFO] [stderr] 24 | | let mut export_fp = fs::File::create("/sys/class/gpio/export")?; [INFO] [stderr] 25 | | write!(export_fp, "{}", gpio_num)?; [INFO] [stderr] 26 | | } [INFO] [stderr] | |_____- help: try this: `if fs::metadata(&format!("/sys/class/gpio/gpio{}", gpio_num)).is_err()` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::redundant_pattern_matching)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching [INFO] [stderr] [INFO] [stderr] warning: passing a unit value to a function [INFO] [stderr] --> src/dummy.rs:90:12 [INFO] [stderr] | [INFO] [stderr] 90 | Ok((self.dest)(GpioValue::Low)) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::unit_arg)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unit_arg [INFO] [stderr] help: if you intended to pass a unit value, use a unit literal instead [INFO] [stderr] | [INFO] [stderr] 90 | Ok(()) [INFO] [stderr] | ^^ [INFO] [stderr] [INFO] [stderr] warning: passing a unit value to a function [INFO] [stderr] --> src/dummy.rs:94:12 [INFO] [stderr] | [INFO] [stderr] 94 | Ok((self.dest)(GpioValue::High)) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unit_arg [INFO] [stderr] help: if you intended to pass a unit value, use a unit literal instead [INFO] [stderr] | [INFO] [stderr] 94 | Ok(()) [INFO] [stderr] | ^^ [INFO] [stderr] [INFO] [stderr] error: use of `#[inline]` on trait method `set_low` which has no body [INFO] [stderr] --> src/lib.rs:114:5 [INFO] [stderr] | [INFO] [stderr] 114 | #[inline(always)] [INFO] [stderr] | _____-^^^^^^^^^^^^^^^^ [INFO] [stderr] 115 | | fn set_low(&mut self) -> Result<(), Self::Error>; [INFO] [stderr] | |____- help: remove [INFO] [stderr] | [INFO] [stderr] = note: #[deny(clippy::inline_fn_without_body)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#inline_fn_without_body [INFO] [stderr] [INFO] [stderr] error: use of `#[inline]` on trait method `set_high` which has no body [INFO] [stderr] --> src/lib.rs:118:5 [INFO] [stderr] | [INFO] [stderr] 118 | #[inline(always)] [INFO] [stderr] | _____-^^^^^^^^^^^^^^^^ [INFO] [stderr] 119 | | fn set_high(&mut self) -> Result<(), Self::Error>; [INFO] [stderr] | |____- help: remove [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#inline_fn_without_body [INFO] [stderr] [INFO] [stderr] error: aborting due to 2 previous errors [INFO] [stderr] [INFO] [stderr] error: Could not compile `gpio`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] warning: redundant pattern matching, consider using `is_err()` [INFO] [stderr] --> src/sysfs.rs:23:12 [INFO] [stderr] | [INFO] [stderr] 23 | if let Err(_) = fs::metadata(&format!("/sys/class/gpio/gpio{}", gpio_num)) { [INFO] [stderr] | _____- ^^^^^^ [INFO] [stderr] 24 | | let mut export_fp = fs::File::create("/sys/class/gpio/export")?; [INFO] [stderr] 25 | | write!(export_fp, "{}", gpio_num)?; [INFO] [stderr] 26 | | } [INFO] [stderr] | |_____- help: try this: `if fs::metadata(&format!("/sys/class/gpio/gpio{}", gpio_num)).is_err()` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::redundant_pattern_matching)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching [INFO] [stderr] [INFO] [stderr] warning: passing a unit value to a function [INFO] [stderr] --> src/dummy.rs:90:12 [INFO] [stderr] | [INFO] [stderr] 90 | Ok((self.dest)(GpioValue::Low)) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::unit_arg)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unit_arg [INFO] [stderr] help: if you intended to pass a unit value, use a unit literal instead [INFO] [stderr] | [INFO] [stderr] 90 | Ok(()) [INFO] [stderr] | ^^ [INFO] [stderr] [INFO] [stderr] warning: passing a unit value to a function [INFO] [stderr] --> src/dummy.rs:94:12 [INFO] [stderr] | [INFO] [stderr] 94 | Ok((self.dest)(GpioValue::High)) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unit_arg [INFO] [stderr] help: if you intended to pass a unit value, use a unit literal instead [INFO] [stderr] | [INFO] [stderr] 94 | Ok(()) [INFO] [stderr] | ^^ [INFO] [stderr] [INFO] [stderr] error: use of `#[inline]` on trait method `set_low` which has no body [INFO] [stderr] --> src/lib.rs:114:5 [INFO] [stderr] | [INFO] [stderr] 114 | #[inline(always)] [INFO] [stderr] | _____-^^^^^^^^^^^^^^^^ [INFO] [stderr] 115 | | fn set_low(&mut self) -> Result<(), Self::Error>; [INFO] [stderr] | |____- help: remove [INFO] [stderr] | [INFO] [stderr] = note: #[deny(clippy::inline_fn_without_body)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#inline_fn_without_body [INFO] [stderr] [INFO] [stderr] error: use of `#[inline]` on trait method `set_high` which has no body [INFO] [stderr] --> src/lib.rs:118:5 [INFO] [stderr] | [INFO] [stderr] 118 | #[inline(always)] [INFO] [stderr] | _____-^^^^^^^^^^^^^^^^ [INFO] [stderr] 119 | | fn set_high(&mut self) -> Result<(), Self::Error>; [INFO] [stderr] | |____- help: remove [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#inline_fn_without_body [INFO] [stderr] [INFO] [stderr] error: aborting due to 2 previous errors [INFO] [stderr] [INFO] [stderr] error: Could not compile `gpio`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "72fc6b73ab4d5cb7477a625e2fb0998db1aac4bea35f6ff1453db37e9b45d125"` [INFO] running `"docker" "rm" "-f" "72fc6b73ab4d5cb7477a625e2fb0998db1aac4bea35f6ff1453db37e9b45d125"` [INFO] [stdout] 72fc6b73ab4d5cb7477a625e2fb0998db1aac4bea35f6ff1453db37e9b45d125