[INFO] updating cached repository RustyCycle/rps-sensor
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/RustyCycle/rps-sensor
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/RustyCycle/rps-sensor" "work/ex/clippy-test-run/sources/stable/gh/RustyCycle/rps-sensor"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/RustyCycle/rps-sensor'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/RustyCycle/rps-sensor" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/RustyCycle/rps-sensor"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/RustyCycle/rps-sensor'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 28e10914c3a76e2b898c2b7e2bfab2d64878a178
[INFO] sha for GitHub repo RustyCycle/rps-sensor: 28e10914c3a76e2b898c2b7e2bfab2d64878a178
[INFO] validating manifest of RustyCycle/rps-sensor 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 RustyCycle/rps-sensor 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 RustyCycle/rps-sensor
[INFO] finished frobbing RustyCycle/rps-sensor
[INFO] frobbed toml for RustyCycle/rps-sensor written to work/ex/clippy-test-run/sources/stable/gh/RustyCycle/rps-sensor/Cargo.toml
[INFO] started frobbing RustyCycle/rps-sensor
[INFO] finished frobbing RustyCycle/rps-sensor
[INFO] frobbed toml for RustyCycle/rps-sensor written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/RustyCycle/rps-sensor/Cargo.toml
[INFO] crate RustyCycle/rps-sensor has a lockfile. skipping
[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 RustyCycle/rps-sensor against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-1/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/RustyCycle/rps-sensor:/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] 7708d0b6443370a08db975d22d236f4f3a0bc2d7cdb7c3800dbc1872cae351c1
[INFO] running `"docker" "start" "-a" "7708d0b6443370a08db975d22d236f4f3a0bc2d7cdb7c3800dbc1872cae351c1"`
[INFO] [stderr] warning: unused manifest key: target.armv7-unknown-linux-gnueabihf.linker
[INFO] [stderr]    Compiling nix v0.10.0
[INFO] [stderr]     Checking memchr v2.0.2
[INFO] [stderr]     Checking serde_json v1.0.27
[INFO] [stderr]     Checking nom v4.0.0
[INFO] [stderr]     Checking nats v0.3.1
[INFO] [stderr]     Checking config v0.9.0
[INFO] [stderr]     Checking sysfs_gpio v0.5.3
[INFO] [stderr]     Checking rps-sensor v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]   --> src/main.rs:79:13
[INFO] [stderr]    |
[INFO] [stderr] 79 | /             match poller.poll(100)? {
[INFO] [stderr] 80 | |                 Some(_) => {
[INFO] [stderr] 81 | |                     let mut _rps_sensor = rps_sensor.lock().unwrap();
[INFO] [stderr] 82 | |                     _rps_sensor.trigger();
[INFO] [stderr] 83 | |                 }
[INFO] [stderr] 84 | |                 None => {}
[INFO] [stderr] 85 | |             }
[INFO] [stderr]    | |_____________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 79 |             if let Some(_) = poller.poll(100)? {
[INFO] [stderr] 80 |     let mut _rps_sensor = rps_sensor.lock().unwrap();
[INFO] [stderr] 81 |     _rps_sensor.trigger();
[INFO] [stderr] 82 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]   --> src/main.rs:79:13
[INFO] [stderr]    |
[INFO] [stderr] 79 | /             match poller.poll(100)? {
[INFO] [stderr] 80 | |                 Some(_) => {
[INFO] [stderr] 81 | |                     let mut _rps_sensor = rps_sensor.lock().unwrap();
[INFO] [stderr] 82 | |                     _rps_sensor.trigger();
[INFO] [stderr] 83 | |                 }
[INFO] [stderr] 84 | |                 None => {}
[INFO] [stderr] 85 | |             }
[INFO] [stderr]    | |_____________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 79 |             if let Some(_) = poller.poll(100)? {
[INFO] [stderr] 80 |     let mut _rps_sensor = rps_sensor.lock().unwrap();
[INFO] [stderr] 81 |     _rps_sensor.trigger();
[INFO] [stderr] 82 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.30s
[INFO] running `"docker" "inspect" "7708d0b6443370a08db975d22d236f4f3a0bc2d7cdb7c3800dbc1872cae351c1"`
[INFO] running `"docker" "rm" "-f" "7708d0b6443370a08db975d22d236f4f3a0bc2d7cdb7c3800dbc1872cae351c1"`
[INFO] [stdout] 7708d0b6443370a08db975d22d236f4f3a0bc2d7cdb7c3800dbc1872cae351c1