[INFO] updating cached repository kogai/lifegame
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/kogai/lifegame
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/kogai/lifegame" "work/ex/clippy-test-run/sources/stable/gh/kogai/lifegame"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/kogai/lifegame'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/kogai/lifegame" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/kogai/lifegame"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/kogai/lifegame'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c676fd8021f05384e22f47d9de0b88a837aef0da
[INFO] sha for GitHub repo kogai/lifegame: c676fd8021f05384e22f47d9de0b88a837aef0da
[INFO] validating manifest of kogai/lifegame 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 kogai/lifegame 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 kogai/lifegame
[INFO] finished frobbing kogai/lifegame
[INFO] frobbed toml for kogai/lifegame written to work/ex/clippy-test-run/sources/stable/gh/kogai/lifegame/Cargo.toml
[INFO] started frobbing kogai/lifegame
[INFO] finished frobbing kogai/lifegame
[INFO] frobbed toml for kogai/lifegame written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/kogai/lifegame/Cargo.toml
[INFO] crate kogai/lifegame 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 kogai/lifegame 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-4/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/gh/kogai/lifegame:/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] 40a987516f3da3ad4df723f4aa5d7a8f2e3d8cfc790f82797c0124afa8b57884
[INFO] running `"docker" "start" "-a" "40a987516f3da3ad4df723f4aa5d7a8f2e3d8cfc790f82797c0124afa8b57884"`
[INFO] [stderr]     Checking lifegame v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/world.rs:21:9
[INFO] [stderr]    |
[INFO] [stderr] 21 | /         match self {
[INFO] [stderr] 22 | |                 &Alive(_) => "x",
[INFO] [stderr] 23 | |                 &Death(_) => " ",
[INFO] [stderr] 24 | |             }
[INFO] [stderr]    | |_____________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::match_ref_pats)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 21 |         match *self {
[INFO] [stderr] 22 |                 Alive(_) => "x",
[INFO] [stderr] 23 |                 Death(_) => " ",
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/world.rs:30:9
[INFO] [stderr]    |
[INFO] [stderr] 30 | /         match self {
[INFO] [stderr] 31 | |             &Alive(_) => true,
[INFO] [stderr] 32 | |             &Death(_) => false,
[INFO] [stderr] 33 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 30 |         match *self {
[INFO] [stderr] 31 |             Alive(_) => true,
[INFO] [stderr] 32 |             Death(_) => false,
[INFO] [stderr]    |
[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/world.rs:36:33
[INFO] [stderr]    |
[INFO] [stderr] 36 |     fn should_live(&self, grid: &Matrix<Cell>) -> bool {
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^ help: change this to: `&[Cell]`
[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: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/world.rs:38:9
[INFO] [stderr]    |
[INFO] [stderr] 38 | /         match self {
[INFO] [stderr] 39 | |             &Alive((x, y)) | &Death((x, y)) => {
[INFO] [stderr] 40 | |                 let arround = vec![(-1, -1), (0, -1), (1, -1), (-1, 0), (1, 0), (-1, 1), (0, 1),
[INFO] [stderr] 41 | |                                    (1, 1)];
[INFO] [stderr] ...  |
[INFO] [stderr] 61 | |             }
[INFO] [stderr] 62 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 38 |         match *self {
[INFO] [stderr] 39 |             Alive((x, y)) | Death((x, y)) => {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: called `.iter().nth()` on a slice. Calling `.get()` is both faster and more readable
[INFO] [stderr]   --> src/world.rs:44:44
[INFO] [stderr]    |
[INFO] [stderr] 44 |                         if let Some(row) = grid.iter().nth((y + pos_y) as usize) {
[INFO] [stderr]    |                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::iter_nth)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#iter_nth
[INFO] [stderr] 
[INFO] [stderr] warning: called `.iter().nth()` on a slice. Calling `.get()` is both faster and more readable
[INFO] [stderr]   --> src/world.rs:45:49
[INFO] [stderr]    |
[INFO] [stderr] 45 |                             if let Some(cell) = row.iter().nth((x + pos_x) as usize) {
[INFO] [stderr]    |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#iter_nth
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]   --> src/world.rs:54:70
[INFO] [stderr]    |
[INFO] [stderr] 54 |                 let alives: Vec<bool> = lifes.into_iter().filter(|x| x.clone()).collect();
[INFO] [stderr]    |                                                                      ^^^^^^^^^ help: try dereferencing it: `*x`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::clone_on_copy)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/world.rs:99:25
[INFO] [stderr]     |
[INFO] [stderr] 99  | /                         match x {
[INFO] [stderr] 100 | |                             &Cell::Alive(cell) |
[INFO] [stderr] 101 | |                             &Cell::Death(cell) => Cell::alive(cell),
[INFO] [stderr] 102 | |                         }
[INFO] [stderr]     | |_________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 99  |                         match *x {
[INFO] [stderr] 100 |                             Cell::Alive(cell) |
[INFO] [stderr] 101 |                             Cell::Death(cell) => Cell::alive(cell),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/world.rs:104:25
[INFO] [stderr]     |
[INFO] [stderr] 104 | /                         match x {
[INFO] [stderr] 105 | |                             &Cell::Alive(cell) |
[INFO] [stderr] 106 | |                             &Cell::Death(cell) => Cell::death(cell),
[INFO] [stderr] 107 | |                         }
[INFO] [stderr]     | |_________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 104 |                         match *x {
[INFO] [stderr] 105 |                             Cell::Alive(cell) |
[INFO] [stderr] 106 |                             Cell::Death(cell) => Cell::death(cell),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/world.rs:21:9
[INFO] [stderr]    |
[INFO] [stderr] 21 | /         match self {
[INFO] [stderr] 22 | |                 &Alive(_) => "x",
[INFO] [stderr] 23 | |                 &Death(_) => " ",
[INFO] [stderr] 24 | |             }
[INFO] [stderr]    | |_____________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::match_ref_pats)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 21 |         match *self {
[INFO] [stderr] 22 |                 Alive(_) => "x",
[INFO] [stderr] 23 |                 Death(_) => " ",
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/world.rs:30:9
[INFO] [stderr]    |
[INFO] [stderr] 30 | /         match self {
[INFO] [stderr] 31 | |             &Alive(_) => true,
[INFO] [stderr] 32 | |             &Death(_) => false,
[INFO] [stderr] 33 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 30 |         match *self {
[INFO] [stderr] 31 |             Alive(_) => true,
[INFO] [stderr] 32 |             Death(_) => false,
[INFO] [stderr]    |
[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/world.rs:36:33
[INFO] [stderr]    |
[INFO] [stderr] 36 |     fn should_live(&self, grid: &Matrix<Cell>) -> bool {
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^ help: change this to: `&[Cell]`
[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: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/world.rs:38:9
[INFO] [stderr]    |
[INFO] [stderr] 38 | /         match self {
[INFO] [stderr] 39 | |             &Alive((x, y)) | &Death((x, y)) => {
[INFO] [stderr] 40 | |                 let arround = vec![(-1, -1), (0, -1), (1, -1), (-1, 0), (1, 0), (-1, 1), (0, 1),
[INFO] [stderr] 41 | |                                    (1, 1)];
[INFO] [stderr] ...  |
[INFO] [stderr] 61 | |             }
[INFO] [stderr] 62 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 38 |         match *self {
[INFO] [stderr] 39 |             Alive((x, y)) | Death((x, y)) => {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: called `.iter().nth()` on a slice. Calling `.get()` is both faster and more readable
[INFO] [stderr]   --> src/world.rs:44:44
[INFO] [stderr]    |
[INFO] [stderr] 44 |                         if let Some(row) = grid.iter().nth((y + pos_y) as usize) {
[INFO] [stderr]    |                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::iter_nth)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#iter_nth
[INFO] [stderr] 
[INFO] [stderr] warning: called `.iter().nth()` on a slice. Calling `.get()` is both faster and more readable
[INFO] [stderr]   --> src/world.rs:45:49
[INFO] [stderr]    |
[INFO] [stderr] 45 |                             if let Some(cell) = row.iter().nth((x + pos_x) as usize) {
[INFO] [stderr]    |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#iter_nth
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]   --> src/world.rs:54:70
[INFO] [stderr]    |
[INFO] [stderr] 54 |                 let alives: Vec<bool> = lifes.into_iter().filter(|x| x.clone()).collect();
[INFO] [stderr]    |                                                                      ^^^^^^^^^ help: try dereferencing it: `*x`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::clone_on_copy)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/world.rs:99:25
[INFO] [stderr]     |
[INFO] [stderr] 99  | /                         match x {
[INFO] [stderr] 100 | |                             &Cell::Alive(cell) |
[INFO] [stderr] 101 | |                             &Cell::Death(cell) => Cell::alive(cell),
[INFO] [stderr] 102 | |                         }
[INFO] [stderr]     | |_________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 99  |                         match *x {
[INFO] [stderr] 100 |                             Cell::Alive(cell) |
[INFO] [stderr] 101 |                             Cell::Death(cell) => Cell::alive(cell),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/world.rs:104:25
[INFO] [stderr]     |
[INFO] [stderr] 104 | /                         match x {
[INFO] [stderr] 105 | |                             &Cell::Alive(cell) |
[INFO] [stderr] 106 | |                             &Cell::Death(cell) => Cell::death(cell),
[INFO] [stderr] 107 | |                         }
[INFO] [stderr]     | |_________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 104 |                         match *x {
[INFO] [stderr] 105 |                             Cell::Alive(cell) |
[INFO] [stderr] 106 |                             Cell::Death(cell) => Cell::death(cell),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `"docker" "inspect" "40a987516f3da3ad4df723f4aa5d7a8f2e3d8cfc790f82797c0124afa8b57884"`
[INFO] running `"docker" "rm" "-f" "40a987516f3da3ad4df723f4aa5d7a8f2e3d8cfc790f82797c0124afa8b57884"`
[INFO] [stdout] 40a987516f3da3ad4df723f4aa5d7a8f2e3d8cfc790f82797c0124afa8b57884