[INFO] updating cached repository caphindsight/rust-convex-polygon
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/caphindsight/rust-convex-polygon
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/caphindsight/rust-convex-polygon" "work/ex/clippy-test-run/sources/stable/gh/caphindsight/rust-convex-polygon"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/caphindsight/rust-convex-polygon'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/caphindsight/rust-convex-polygon" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/caphindsight/rust-convex-polygon"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/caphindsight/rust-convex-polygon'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a0fc9cffdf7859bf4171178314c0058873c370e5
[INFO] sha for GitHub repo caphindsight/rust-convex-polygon: a0fc9cffdf7859bf4171178314c0058873c370e5
[INFO] validating manifest of caphindsight/rust-convex-polygon 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 caphindsight/rust-convex-polygon 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 caphindsight/rust-convex-polygon
[INFO] finished frobbing caphindsight/rust-convex-polygon
[INFO] frobbed toml for caphindsight/rust-convex-polygon written to work/ex/clippy-test-run/sources/stable/gh/caphindsight/rust-convex-polygon/Cargo.toml
[INFO] started frobbing caphindsight/rust-convex-polygon
[INFO] finished frobbing caphindsight/rust-convex-polygon
[INFO] frobbed toml for caphindsight/rust-convex-polygon written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/caphindsight/rust-convex-polygon/Cargo.toml
[INFO] crate caphindsight/rust-convex-polygon 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 caphindsight/rust-convex-polygon 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-6/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/caphindsight/rust-convex-polygon:/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] bc12f3fb013319542e4c18cfbdc02ddedd3d72a5fa1ce00ebd310b9a8303b55e
[INFO] running `"docker" "start" "-a" "bc12f3fb013319542e4c18cfbdc02ddedd3d72a5fa1ce00ebd310b9a8303b55e"`
[INFO] [stderr]     Checking convex_polygon v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/main.rs:18:22
[INFO] [stderr]    |
[INFO] [stderr] 18 |         p.push(Point{x: x, y: y});
[INFO] [stderr]    |                      ^^^^ help: replace it with: `x`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/main.rs:18:28
[INFO] [stderr]    |
[INFO] [stderr] 18 |         p.push(Point{x: x, y: y});
[INFO] [stderr]    |                            ^^^^ help: replace it with: `y`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/main.rs:18:22
[INFO] [stderr]    |
[INFO] [stderr] 18 |         p.push(Point{x: x, y: y});
[INFO] [stderr]    |                      ^^^^ help: replace it with: `x`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/main.rs:18:28
[INFO] [stderr]    |
[INFO] [stderr] 18 |         p.push(Point{x: x, y: y});
[INFO] [stderr]    |                            ^^^^ help: replace it with: `y`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/main.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     return p;
[INFO] [stderr]    |     ^^^^^^^^^ help: remove `return` as shown: `p`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/main.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 |     return Option::Some(res);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Option::Some(res)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/main.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     return p;
[INFO] [stderr]    |     ^^^^^^^^^ help: remove `return` as shown: `p`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/main.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 |     return Option::Some(res);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Option::Some(res)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: the function has a cyclomatic complexity of 29
[INFO] [stderr]   --> src/main.rs:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | / fn input() -> Vec<Point> {
[INFO] [stderr] 13 | |     let n: usize = read!();
[INFO] [stderr] 14 | |     let mut p: Vec<Point> = Vec::<Point>::with_capacity(n);
[INFO] [stderr] 15 | |     for _ in 0..n {
[INFO] [stderr] ...  |
[INFO] [stderr] 20 | |     return p;
[INFO] [stderr] 21 | | }
[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: the loop variable `i` is only used to index `p`.
[INFO] [stderr]   --> src/main.rs:26:14
[INFO] [stderr]    |
[INFO] [stderr] 26 |     for i in 0..n {
[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] 26 |     for <item> in p.iter().take(n) {
[INFO] [stderr]    |         ^^^^^^    ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the function has a cyclomatic complexity of 29
[INFO] [stderr]   --> src/main.rs:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | / fn input() -> Vec<Point> {
[INFO] [stderr] 13 | |     let n: usize = read!();
[INFO] [stderr] 14 | |     let mut p: Vec<Point> = Vec::<Point>::with_capacity(n);
[INFO] [stderr] 15 | |     for _ in 0..n {
[INFO] [stderr] ...  |
[INFO] [stderr] 20 | |     return p;
[INFO] [stderr] 21 | | }
[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: length comparison to zero
[INFO] [stderr]   --> src/main.rs:36:8
[INFO] [stderr]    |
[INFO] [stderr] 36 |     if a.len() == 0 {
[INFO] [stderr]    |        ^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `a.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/main.rs:51:8
[INFO] [stderr]    |
[INFO] [stderr] 51 |     if stack.len() == 0 {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `stack.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is only used to index `p`.
[INFO] [stderr]   --> src/main.rs:96:14
[INFO] [stderr]    |
[INFO] [stderr] 96 |     for i in 1..n {
[INFO] [stderr]    |              ^^^^
[INFO] [stderr]    |
[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] 96 |     for <item> in p.iter().take(n).skip(1) {
[INFO] [stderr]    |         ^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is only used to index `p`.
[INFO] [stderr]   --> src/main.rs:26:14
[INFO] [stderr]    |
[INFO] [stderr] 26 |     for i in 0..n {
[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] 26 |     for <item> in p.iter().take(n) {
[INFO] [stderr]    |         ^^^^^^    ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/main.rs:36:8
[INFO] [stderr]    |
[INFO] [stderr] 36 |     if a.len() == 0 {
[INFO] [stderr]    |        ^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `a.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/main.rs:51:8
[INFO] [stderr]    |
[INFO] [stderr] 51 |     if stack.len() == 0 {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `stack.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is only used to index `p`.
[INFO] [stderr]   --> src/main.rs:96:14
[INFO] [stderr]    |
[INFO] [stderr] 96 |     for i in 1..n {
[INFO] [stderr]    |              ^^^^
[INFO] [stderr]    |
[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] 96 |     for <item> in p.iter().take(n).skip(1) {
[INFO] [stderr]    |         ^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `"docker" "inspect" "bc12f3fb013319542e4c18cfbdc02ddedd3d72a5fa1ce00ebd310b9a8303b55e"`
[INFO] running `"docker" "rm" "-f" "bc12f3fb013319542e4c18cfbdc02ddedd3d72a5fa1ce00ebd310b9a8303b55e"`
[INFO] [stdout] bc12f3fb013319542e4c18cfbdc02ddedd3d72a5fa1ce00ebd310b9a8303b55e