[INFO] crate distance-transform 0.1.2 is already in cache
[INFO] extracting crate distance-transform 0.1.2 into work/ex/clippy-test-run/sources/stable/reg/distance-transform/0.1.2
[INFO] extracting crate distance-transform 0.1.2 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/distance-transform/0.1.2
[INFO] validating manifest of distance-transform-0.1.2 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 distance-transform-0.1.2 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 distance-transform-0.1.2
[INFO] finished frobbing distance-transform-0.1.2
[INFO] frobbed toml for distance-transform-0.1.2 written to work/ex/clippy-test-run/sources/stable/reg/distance-transform/0.1.2/Cargo.toml
[INFO] started frobbing distance-transform-0.1.2
[INFO] finished frobbing distance-transform-0.1.2
[INFO] frobbed toml for distance-transform-0.1.2 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/distance-transform/0.1.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 distance-transform-0.1.2 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/reg/distance-transform/0.1.2:/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] 5a8bdb2180fee315dbb1cb7630d79e40106226207adfaa934749e387addc67e0
[INFO] running `"docker" "start" "-a" "5a8bdb2180fee315dbb1cb7630d79e40106226207adfaa934749e387addc67e0"`
[INFO] [stderr]     Checking distance-transform v0.1.2 (/opt/crater/workdir)
[INFO] [stderr] warning: 5th binding whose name is just one char
[INFO] [stderr]   --> src/dt.rs:13:13
[INFO] [stderr]    |
[INFO] [stderr] 13 |     let mut k = 0i32;
[INFO] [stderr]    |             ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::many_single_char_names)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 6th binding whose name is just one char
[INFO] [stderr]   --> src/dt.rs:19:17
[INFO] [stderr]    |
[INFO] [stderr] 19 |         let mut s = ((f[q]+(q*q) as f64)-(f[v[k as usize] as usize]+(v[k as usize]*v[k as usize]) as f64))/(2*q as i32-2*v[k as usize]) as f64;
[INFO] [stderr]    |                 ^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 5th binding whose name is just one char
[INFO] [stderr]   --> src/dt.rs:13:13
[INFO] [stderr]    |
[INFO] [stderr] 13 |     let mut k = 0i32;
[INFO] [stderr]    |             ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::many_single_char_names)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 6th binding whose name is just one char
[INFO] [stderr]   --> src/dt.rs:19:17
[INFO] [stderr]    |
[INFO] [stderr] 19 |         let mut s = ((f[q]+(q*q) as f64)-(f[v[k as usize] as usize]+(v[k as usize]*v[k as usize]) as f64))/(2*q as i32-2*v[k as usize]) as f64;
[INFO] [stderr]    |                 ^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: methods called `to_*` usually take self by reference; consider choosing a less ambiguous name
[INFO] [stderr]   --> src/grid.rs:53:19
[INFO] [stderr]    |
[INFO] [stderr] 53 |     pub fn to_vec(self) -> Vec<T> {
[INFO] [stderr]    |                   ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::wrong_self_convention)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#wrong_self_convention
[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/dt.rs:9:18
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn dt1d_float(f: &Vec<f64>) -> Vec<f64> {
[INFO] [stderr]   |                  ^^^^^^^^^ help: change this to: `&[f64]`
[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: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/dt.rs:19:69
[INFO] [stderr]    |
[INFO] [stderr] 19 |         let mut s = ((f[q]+(q*q) as f64)-(f[v[k as usize] as usize]+(v[k as usize]*v[k as usize]) as f64))/(2*q as i32-2*v[k as usize]) as f64;
[INFO] [stderr]    |                                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(v[k as usize]*v[k as usize])`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/dt.rs:19:108
[INFO] [stderr]    |
[INFO] [stderr] 19 |         let mut s = ((f[q]+(q*q) as f64)-(f[v[k as usize] as usize]+(v[k as usize]*v[k as usize]) as f64))/(2*q as i32-2*v[k as usize]) as f64;
[INFO] [stderr]    |                                                                                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(2*q as i32-2*v[k as usize])`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/dt.rs:22:65
[INFO] [stderr]    |
[INFO] [stderr] 22 |             s = ((f[q]+(q*q) as f64)-(f[v[k as usize] as usize]+(v[k as usize]*v[k as usize]) as f64))/(2*q as i32-2*v[k as usize]) as f64;
[INFO] [stderr]    |                                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(v[k as usize]*v[k as usize])`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/dt.rs:22:104
[INFO] [stderr]    |
[INFO] [stderr] 22 |             s = ((f[q]+(q*q) as f64)-(f[v[k as usize] as usize]+(v[k as usize]*v[k as usize]) as f64))/(2*q as i32-2*v[k as usize]) as f64;
[INFO] [stderr]    |                                                                                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(2*q as i32-2*v[k as usize])`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `q` is used to index `d`
[INFO] [stderr]   --> src/dt.rs:31:14
[INFO] [stderr]    |
[INFO] [stderr] 31 |     for q in 0..f.len() {
[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] 31 |     for (q, <item>) in d.iter_mut().enumerate().take(f.len()) {
[INFO] [stderr]    |         ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/dt.rs:35:16
[INFO] [stderr]    |
[INFO] [stderr] 35 |         d[q] = ((q as i32-v[k as usize])*(q as i32-v[k as usize])) as f64 + f[v[k as usize] as usize];
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from((q as i32-v[k as usize])*(q as i32-v[k as usize]))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `y` is used to index `f`
[INFO] [stderr]   --> src/dt.rs:50:18
[INFO] [stderr]    |
[INFO] [stderr] 50 |         for y in 0..height {
[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] 50 |         for (y, <item>) in f.iter_mut().enumerate().take(height) {
[INFO] [stderr]    |             ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `y` is used to index `d`
[INFO] [stderr]   --> src/dt.rs:54:18
[INFO] [stderr]    |
[INFO] [stderr] 54 |         for y in 0..height {
[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] 54 |         for (y, <item>) in d.iter().enumerate().take(height) {
[INFO] [stderr]    |             ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `x` is used to index `f`
[INFO] [stderr]   --> src/dt.rs:61:18
[INFO] [stderr]    |
[INFO] [stderr] 61 |         for x in 0..width {
[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] 61 |         for (x, <item>) in f.iter_mut().enumerate().take(width) {
[INFO] [stderr]    |             ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `x` is used to index `d`
[INFO] [stderr]   --> src/dt.rs:65:18
[INFO] [stderr]    |
[INFO] [stderr] 65 |         for x in 0..width {
[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] 65 |         for (x, <item>) in d.iter().enumerate().take(width) {
[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/dt.rs:74:17
[INFO] [stderr]    |
[INFO] [stderr] 74 | pub fn dt1d(im: &Vec<bool>) -> Vec<f64> {
[INFO] [stderr]    |                 ^^^^^^^^^^ help: change this to: `&[bool]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: methods called `to_*` usually take self by reference; consider choosing a less ambiguous name
[INFO] [stderr]   --> src/grid.rs:53:19
[INFO] [stderr]    |
[INFO] [stderr] 53 |     pub fn to_vec(self) -> Vec<T> {
[INFO] [stderr]    |                   ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::wrong_self_convention)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#wrong_self_convention
[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/dt.rs:9:18
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn dt1d_float(f: &Vec<f64>) -> Vec<f64> {
[INFO] [stderr]   |                  ^^^^^^^^^ help: change this to: `&[f64]`
[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: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/dt.rs:19:69
[INFO] [stderr]    |
[INFO] [stderr] 19 |         let mut s = ((f[q]+(q*q) as f64)-(f[v[k as usize] as usize]+(v[k as usize]*v[k as usize]) as f64))/(2*q as i32-2*v[k as usize]) as f64;
[INFO] [stderr]    |                                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(v[k as usize]*v[k as usize])`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/dt.rs:19:108
[INFO] [stderr]    |
[INFO] [stderr] 19 |         let mut s = ((f[q]+(q*q) as f64)-(f[v[k as usize] as usize]+(v[k as usize]*v[k as usize]) as f64))/(2*q as i32-2*v[k as usize]) as f64;
[INFO] [stderr]    |                                                                                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(2*q as i32-2*v[k as usize])`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/dt.rs:22:65
[INFO] [stderr]    |
[INFO] [stderr] 22 |             s = ((f[q]+(q*q) as f64)-(f[v[k as usize] as usize]+(v[k as usize]*v[k as usize]) as f64))/(2*q as i32-2*v[k as usize]) as f64;
[INFO] [stderr]    |                                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(v[k as usize]*v[k as usize])`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/dt.rs:22:104
[INFO] [stderr]    |
[INFO] [stderr] 22 |             s = ((f[q]+(q*q) as f64)-(f[v[k as usize] as usize]+(v[k as usize]*v[k as usize]) as f64))/(2*q as i32-2*v[k as usize]) as f64;
[INFO] [stderr]    |                                                                                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(2*q as i32-2*v[k as usize])`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `q` is used to index `d`
[INFO] [stderr]   --> src/dt.rs:31:14
[INFO] [stderr]    |
[INFO] [stderr] 31 |     for q in 0..f.len() {
[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] 31 |     for (q, <item>) in d.iter_mut().enumerate().take(f.len()) {
[INFO] [stderr]    |         ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/dt.rs:35:16
[INFO] [stderr]    |
[INFO] [stderr] 35 |         d[q] = ((q as i32-v[k as usize])*(q as i32-v[k as usize])) as f64 + f[v[k as usize] as usize];
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from((q as i32-v[k as usize])*(q as i32-v[k as usize]))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `y` is used to index `f`
[INFO] [stderr]   --> src/dt.rs:50:18
[INFO] [stderr]    |
[INFO] [stderr] 50 |         for y in 0..height {
[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] 50 |         for (y, <item>) in f.iter_mut().enumerate().take(height) {
[INFO] [stderr]    |             ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `y` is used to index `d`
[INFO] [stderr]   --> src/dt.rs:54:18
[INFO] [stderr]    |
[INFO] [stderr] 54 |         for y in 0..height {
[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] 54 |         for (y, <item>) in d.iter().enumerate().take(height) {
[INFO] [stderr]    |             ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `x` is used to index `f`
[INFO] [stderr]   --> src/dt.rs:61:18
[INFO] [stderr]    |
[INFO] [stderr] 61 |         for x in 0..width {
[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] 61 |         for (x, <item>) in f.iter_mut().enumerate().take(width) {
[INFO] [stderr]    |             ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `x` is used to index `d`
[INFO] [stderr]   --> src/dt.rs:65:18
[INFO] [stderr]    |
[INFO] [stderr] 65 |         for x in 0..width {
[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] 65 |         for (x, <item>) in d.iter().enumerate().take(width) {
[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/dt.rs:74:17
[INFO] [stderr]    |
[INFO] [stderr] 74 | pub fn dt1d(im: &Vec<bool>) -> Vec<f64> {
[INFO] [stderr]    |                 ^^^^^^^^^^ help: change this to: `&[bool]`
[INFO] [stderr]    |
[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 1.13s
[INFO] running `"docker" "inspect" "5a8bdb2180fee315dbb1cb7630d79e40106226207adfaa934749e387addc67e0"`
[INFO] running `"docker" "rm" "-f" "5a8bdb2180fee315dbb1cb7630d79e40106226207adfaa934749e387addc67e0"`
[INFO] [stdout] 5a8bdb2180fee315dbb1cb7630d79e40106226207adfaa934749e387addc67e0