[INFO] updating cached repository TheGizmoDojo/UltrasonicPiPiano
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/TheGizmoDojo/UltrasonicPiPiano
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/TheGizmoDojo/UltrasonicPiPiano" "work/ex/clippy-test-run/sources/stable/gh/TheGizmoDojo/UltrasonicPiPiano"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/TheGizmoDojo/UltrasonicPiPiano'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/TheGizmoDojo/UltrasonicPiPiano" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/TheGizmoDojo/UltrasonicPiPiano"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/TheGizmoDojo/UltrasonicPiPiano'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ceb3f3be1a3455b58d4c22a1f5fad547135ab97d
[INFO] sha for GitHub repo TheGizmoDojo/UltrasonicPiPiano: ceb3f3be1a3455b58d4c22a1f5fad547135ab97d
[INFO] validating manifest of TheGizmoDojo/UltrasonicPiPiano 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 TheGizmoDojo/UltrasonicPiPiano 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 TheGizmoDojo/UltrasonicPiPiano
[INFO] finished frobbing TheGizmoDojo/UltrasonicPiPiano
[INFO] frobbed toml for TheGizmoDojo/UltrasonicPiPiano written to work/ex/clippy-test-run/sources/stable/gh/TheGizmoDojo/UltrasonicPiPiano/Cargo.toml
[INFO] started frobbing TheGizmoDojo/UltrasonicPiPiano
[INFO] finished frobbing TheGizmoDojo/UltrasonicPiPiano
[INFO] frobbed toml for TheGizmoDojo/UltrasonicPiPiano written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/TheGizmoDojo/UltrasonicPiPiano/Cargo.toml
[INFO] crate TheGizmoDojo/UltrasonicPiPiano 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 TheGizmoDojo/UltrasonicPiPiano against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-6/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/TheGizmoDojo/UltrasonicPiPiano:/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] ef68d3e86729262686b3ffe5886306e0d6e81e1da1b6ca74b0248b9ca80c5207
[INFO] running `"docker" "start" "-a" "ef68d3e86729262686b3ffe5886306e0d6e81e1da1b6ca74b0248b9ca80c5207"`
[INFO] [stderr]     Checking nix v0.5.1
[INFO] [stderr]     Checking nix v0.6.0
[INFO] [stderr]     Checking spidev v0.2.1
[INFO] [stderr]     Checking sysfs_gpio v0.4.4
[INFO] [stderr]     Checking sysfs_gpio v0.5.0
[INFO] [stderr]     Checking octasonic v0.1.0
[INFO] [stderr]     Checking ultrasonic_piano v0.4.0 (/opt/crater/workdir)
[INFO] [stderr] warning: the function has a cyclomatic complexity of 26
[INFO] [stderr]    --> src/main.rs:52:1
[INFO] [stderr]     |
[INFO] [stderr] 52  | / fn main() {
[INFO] [stderr] 53  | |
[INFO] [stderr] 54  | |   //speak(format!("Raspberry Pi Piano Starting Up"));
[INFO] [stderr] 55  | |
[INFO] [stderr] ...   |
[INFO] [stderr] 266 | |   }
[INFO] [stderr] 267 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::cyclomatic_complexity)] on by default
[INFO] [stderr]     = help: you could split it up into multiple smaller functions
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cyclomatic_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: Err(_) will match all errors, maybe not a good idea
[INFO] [stderr]    --> src/main.rs:135:5
[INFO] [stderr]     |
[INFO] [stderr] 135 |     Err(_) => panic!("Failed to initialize SPI - have you enabled SPI in the Raspberry Pi Configuration Utility?")
[INFO] [stderr]     |     ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::match_wild_err_arm)] on by default
[INFO] [stderr]     = note: to remove this warning, match each error separately or use unreachable macro
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_wild_err_arm
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]    --> src/main.rs:170:5
[INFO] [stderr]     |
[INFO] [stderr] 170 |     counter = counter + 1;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `counter += 1`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::assign_op_pattern)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]    --> src/main.rs:215:9
[INFO] [stderr]     |
[INFO] [stderr] 215 |         key[i].counter = key[i].counter + 1;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `key[i].counter += 1`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]    --> src/main.rs:269:33
[INFO] [stderr]     |
[INFO] [stderr] 269 | fn shutdown(synth: &Synth, key: &Vec<Key>) {
[INFO] [stderr]     |                                 ^^^^^^^^^ help: change this to: `&[Key]`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::ptr_arg)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: the function has a cyclomatic complexity of 26
[INFO] [stderr]    --> src/main.rs:52:1
[INFO] [stderr]     |
[INFO] [stderr] 52  | / fn main() {
[INFO] [stderr] 53  | |
[INFO] [stderr] 54  | |   //speak(format!("Raspberry Pi Piano Starting Up"));
[INFO] [stderr] 55  | |
[INFO] [stderr] ...   |
[INFO] [stderr] 266 | |   }
[INFO] [stderr] 267 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::cyclomatic_complexity)] on by default
[INFO] [stderr]     = help: you could split it up into multiple smaller functions
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cyclomatic_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: Err(_) will match all errors, maybe not a good idea
[INFO] [stderr]    --> src/main.rs:135:5
[INFO] [stderr]     |
[INFO] [stderr] 135 |     Err(_) => panic!("Failed to initialize SPI - have you enabled SPI in the Raspberry Pi Configuration Utility?")
[INFO] [stderr]     |     ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::match_wild_err_arm)] on by default
[INFO] [stderr]     = note: to remove this warning, match each error separately or use unreachable macro
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_wild_err_arm
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]    --> src/main.rs:170:5
[INFO] [stderr]     |
[INFO] [stderr] 170 |     counter = counter + 1;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `counter += 1`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::assign_op_pattern)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]    --> src/main.rs:215:9
[INFO] [stderr]     |
[INFO] [stderr] 215 |         key[i].counter = key[i].counter + 1;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `key[i].counter += 1`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]    --> src/main.rs:269:33
[INFO] [stderr]     |
[INFO] [stderr] 269 | fn shutdown(synth: &Synth, key: &Vec<Key>) {
[INFO] [stderr]     |                                 ^^^^^^^^^ help: change this to: `&[Key]`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::ptr_arg)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.56s
[INFO] running `"docker" "inspect" "ef68d3e86729262686b3ffe5886306e0d6e81e1da1b6ca74b0248b9ca80c5207"`
[INFO] running `"docker" "rm" "-f" "ef68d3e86729262686b3ffe5886306e0d6e81e1da1b6ca74b0248b9ca80c5207"`
[INFO] [stdout] ef68d3e86729262686b3ffe5886306e0d6e81e1da1b6ca74b0248b9ca80c5207