[INFO] updating cached repository LogoiLab/rpi [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/LogoiLab/rpi [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/LogoiLab/rpi" "work/ex/clippy-test-run/sources/stable/gh/LogoiLab/rpi"` [INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/LogoiLab/rpi'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/LogoiLab/rpi" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/LogoiLab/rpi"` [INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/LogoiLab/rpi'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] a21f7939c8eae63975be3e477fffaa9eb32c2ace [INFO] sha for GitHub repo LogoiLab/rpi: a21f7939c8eae63975be3e477fffaa9eb32c2ace [INFO] validating manifest of LogoiLab/rpi 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 LogoiLab/rpi 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 LogoiLab/rpi [INFO] finished frobbing LogoiLab/rpi [INFO] frobbed toml for LogoiLab/rpi written to work/ex/clippy-test-run/sources/stable/gh/LogoiLab/rpi/Cargo.toml [INFO] started frobbing LogoiLab/rpi [INFO] finished frobbing LogoiLab/rpi [INFO] frobbed toml for LogoiLab/rpi written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/LogoiLab/rpi/Cargo.toml [INFO] crate LogoiLab/rpi has a lockfile. skipping [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on the registry index [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] linting LogoiLab/rpi against stable for clippy-test-run [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-5/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/LogoiLab/rpi:/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" "-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] 75c19cdcff9fa8dbaf921d4028acfb8f70bc8cbc1d2416bdb4f435f1c5ab78c4 [INFO] running `"docker" "start" "-a" "75c19cdcff9fa8dbaf921d4028acfb8f70bc8cbc1d2416bdb4f435f1c5ab78c4"` [INFO] [stderr] Checking nix v0.6.0 [INFO] [stderr] Checking sysfs_gpio v0.5.1 [INFO] [stderr] Checking rpi v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `std::env` [INFO] [stderr] --> src/main.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use std::env; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:21:5 [INFO] [stderr] | [INFO] [stderr] 21 | / match error_num { [INFO] [stderr] 22 | | 0 => led_red.with_exported(|| { [INFO] [stderr] 23 | | led_red.set_direction(Direction::Low)?; [INFO] [stderr] 24 | | let iterations = duration_ms / period_ms / 2; [INFO] [stderr] ... | [INFO] [stderr] 58 | | _ => Ok(()), [INFO] [stderr] 59 | | }; [INFO] [stderr] | |______^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_must_use)] on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::env` [INFO] [stderr] --> src/main.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use std::env; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:21:5 [INFO] [stderr] | [INFO] [stderr] 21 | / match error_num { [INFO] [stderr] 22 | | 0 => led_red.with_exported(|| { [INFO] [stderr] 23 | | led_red.set_direction(Direction::Low)?; [INFO] [stderr] 24 | | let iterations = duration_ms / period_ms / 2; [INFO] [stderr] ... | [INFO] [stderr] 58 | | _ => Ok(()), [INFO] [stderr] 59 | | }; [INFO] [stderr] | |______^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_must_use)] on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 6.12s [INFO] running `"docker" "inspect" "75c19cdcff9fa8dbaf921d4028acfb8f70bc8cbc1d2416bdb4f435f1c5ab78c4"` [INFO] running `"docker" "rm" "-f" "75c19cdcff9fa8dbaf921d4028acfb8f70bc8cbc1d2416bdb4f435f1c5ab78c4"` [INFO] [stdout] 75c19cdcff9fa8dbaf921d4028acfb8f70bc8cbc1d2416bdb4f435f1c5ab78c4