[INFO] updating cached repository pacman82/cellular-automaton
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/pacman82/cellular-automaton
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/pacman82/cellular-automaton" "work/ex/clippy-test-run/sources/stable/gh/pacman82/cellular-automaton"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/pacman82/cellular-automaton'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/pacman82/cellular-automaton" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/pacman82/cellular-automaton"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/pacman82/cellular-automaton'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2971c2066d7614ffd6305cd5e640060db18a2f6c
[INFO] sha for GitHub repo pacman82/cellular-automaton: 2971c2066d7614ffd6305cd5e640060db18a2f6c
[INFO] validating manifest of pacman82/cellular-automaton 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 pacman82/cellular-automaton 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 pacman82/cellular-automaton
[INFO] finished frobbing pacman82/cellular-automaton
[INFO] frobbed toml for pacman82/cellular-automaton written to work/ex/clippy-test-run/sources/stable/gh/pacman82/cellular-automaton/Cargo.toml
[INFO] started frobbing pacman82/cellular-automaton
[INFO] finished frobbing pacman82/cellular-automaton
[INFO] frobbed toml for pacman82/cellular-automaton written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/pacman82/cellular-automaton/Cargo.toml
[INFO] crate pacman82/cellular-automaton 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 pacman82/cellular-automaton against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-7/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/pacman82/cellular-automaton:/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] b4947fb787fced0cefc70ab9ca641c2ed18a51812b026053f86a6c3cb6ebc46d
[INFO] running `"docker" "start" "-a" "b4947fb787fced0cefc70ab9ca641c2ed18a51812b026053f86a6c3cb6ebc46d"`
[INFO] [stderr]    Compiling structopt-derive v0.2.10
[INFO] [stderr]     Checking structopt v0.2.10
[INFO] [stderr]     Checking rule v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: using `print!()` with a format string that ends in a single newline, consider using `println!()` instead
[INFO] [stderr]   --> src/main.rs:99:5
[INFO] [stderr]    |
[INFO] [stderr] 99 |     print!("\n");
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::print_with_newline)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#print_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `print!()` with a format string that ends in a single newline, consider using `println!()` instead
[INFO] [stderr]   --> src/main.rs:99:5
[INFO] [stderr]    |
[INFO] [stderr] 99 |     print!("\n");
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::print_with_newline)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#print_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is used to index `rule`
[INFO] [stderr]   --> src/main.rs:36:14
[INFO] [stderr]    |
[INFO] [stderr] 36 |     for i in 0..8 {
[INFO] [stderr]    |              ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_range_loop)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]    |
[INFO] [stderr] 36 |     for (i, <item>) in rule.iter_mut().enumerate() {
[INFO] [stderr]    |         ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/main.rs:67:60
[INFO] [stderr]    |
[INFO] [stderr] 67 | fn apply_rules(previous: &[Cell], next: &mut [Cell], rule: &[Cell; 8]) {
[INFO] [stderr]    |                                                            ^^^^^^^^^^ help: consider passing by value instead: `[Cell; 8]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::trivially_copy_pass_by_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/main.rs:78:44
[INFO] [stderr]    |
[INFO] [stderr] 78 | fn apply_rule(neighbours: [Cell; 3], rule: &[Cell; 8]) -> Cell {
[INFO] [stderr]    |                                            ^^^^^^^^^^ help: consider passing by value instead: `[Cell; 8]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is used to index `rule`
[INFO] [stderr]   --> src/main.rs:36:14
[INFO] [stderr]    |
[INFO] [stderr] 36 |     for i in 0..8 {
[INFO] [stderr]    |              ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_range_loop)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]    |
[INFO] [stderr] 36 |     for (i, <item>) in rule.iter_mut().enumerate() {
[INFO] [stderr]    |         ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/main.rs:67:60
[INFO] [stderr]    |
[INFO] [stderr] 67 | fn apply_rules(previous: &[Cell], next: &mut [Cell], rule: &[Cell; 8]) {
[INFO] [stderr]    |                                                            ^^^^^^^^^^ help: consider passing by value instead: `[Cell; 8]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::trivially_copy_pass_by_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/main.rs:78:44
[INFO] [stderr]    |
[INFO] [stderr] 78 | fn apply_rule(neighbours: [Cell; 3], rule: &[Cell; 8]) -> Cell {
[INFO] [stderr]    |                                            ^^^^^^^^^^ help: consider passing by value instead: `[Cell; 8]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.27s
[INFO] running `"docker" "inspect" "b4947fb787fced0cefc70ab9ca641c2ed18a51812b026053f86a6c3cb6ebc46d"`
[INFO] running `"docker" "rm" "-f" "b4947fb787fced0cefc70ab9ca641c2ed18a51812b026053f86a6c3cb6ebc46d"`
[INFO] [stdout] b4947fb787fced0cefc70ab9ca641c2ed18a51812b026053f86a6c3cb6ebc46d