[INFO] updating cached repository adolfosilva/vcrust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/adolfosilva/vcrust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/adolfosilva/vcrust" "work/ex/clippy-test-run/sources/stable/gh/adolfosilva/vcrust"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/adolfosilva/vcrust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/adolfosilva/vcrust" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/adolfosilva/vcrust"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/adolfosilva/vcrust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5be43fade21a56d8f69c8f0f5a928fdc99cea47f
[INFO] sha for GitHub repo adolfosilva/vcrust: 5be43fade21a56d8f69c8f0f5a928fdc99cea47f
[INFO] validating manifest of adolfosilva/vcrust 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 adolfosilva/vcrust 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 adolfosilva/vcrust
[INFO] finished frobbing adolfosilva/vcrust
[INFO] frobbed toml for adolfosilva/vcrust written to work/ex/clippy-test-run/sources/stable/gh/adolfosilva/vcrust/Cargo.toml
[INFO] started frobbing adolfosilva/vcrust
[INFO] finished frobbing adolfosilva/vcrust
[INFO] frobbed toml for adolfosilva/vcrust written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/adolfosilva/vcrust/Cargo.toml
[INFO] crate adolfosilva/vcrust 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 adolfosilva/vcrust 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/adolfosilva/vcrust:/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] 450987b8ac376ad5060ea31845ba1c5743416acb770be02ce772ace08644c27f
[INFO] running `"docker" "start" "-a" "450987b8ac376ad5060ea31845ba1c5743416acb770be02ce772ace08644c27f"`
[INFO] [stderr]    Compiling gcc v0.3.44
[INFO] [stderr]    Compiling vcrust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/image.rs:92:13
[INFO] [stderr]    |
[INFO] [stderr] 92 |             typ: typ,
[INFO] [stderr]    |             ^^^^^^^^ help: replace it with: `typ`
[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/image.rs:93:13
[INFO] [stderr]    |
[INFO] [stderr] 93 |             width: width,
[INFO] [stderr]    |             ^^^^^^^^^^^^ help: replace it with: `width`
[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/image.rs:94:13
[INFO] [stderr]    |
[INFO] [stderr] 94 |             height: height,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^ help: replace it with: `height`
[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/image.rs:105:13
[INFO] [stderr]     |
[INFO] [stderr] 105 |             typ: typ,
[INFO] [stderr]     |             ^^^^^^^^ help: replace it with: `typ`
[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/image.rs:106:13
[INFO] [stderr]     |
[INFO] [stderr] 106 |             width: width,
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: replace it with: `width`
[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/image.rs:107:13
[INFO] [stderr]     |
[INFO] [stderr] 107 |             height: height,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^ help: replace it with: `height`
[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/image.rs:219:16
[INFO] [stderr]     |
[INFO] [stderr] 219 |                data: data,
[INFO] [stderr]     |                ^^^^^^^^^^ help: replace it with: `data`
[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/image.rs:92:13
[INFO] [stderr]    |
[INFO] [stderr] 92 |             typ: typ,
[INFO] [stderr]    |             ^^^^^^^^ help: replace it with: `typ`
[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/image.rs:93:13
[INFO] [stderr]    |
[INFO] [stderr] 93 |             width: width,
[INFO] [stderr]    |             ^^^^^^^^^^^^ help: replace it with: `width`
[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/image.rs:94:13
[INFO] [stderr]    |
[INFO] [stderr] 94 |             height: height,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^ help: replace it with: `height`
[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/image.rs:105:13
[INFO] [stderr]     |
[INFO] [stderr] 105 |             typ: typ,
[INFO] [stderr]     |             ^^^^^^^^ help: replace it with: `typ`
[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/image.rs:106:13
[INFO] [stderr]     |
[INFO] [stderr] 106 |             width: width,
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: replace it with: `width`
[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/image.rs:107:13
[INFO] [stderr]     |
[INFO] [stderr] 107 |             height: height,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^ help: replace it with: `height`
[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/image.rs:219:16
[INFO] [stderr]     |
[INFO] [stderr] 219 |                data: data,
[INFO] [stderr]     |                ^^^^^^^^^^ help: replace it with: `data`
[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: unused import: `std::iter::repeat`
[INFO] [stderr]  --> src/ops.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::iter::repeat;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ImageType`
[INFO] [stderr]  --> src/ops.rs:2:20
[INFO] [stderr]   |
[INFO] [stderr] 2 | use image::{Image, ImageType, Channel};
[INFO] [stderr]   |                    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/image.rs:263:13
[INFO] [stderr]     |
[INFO] [stderr] 263 |         let mut bits = bytes.map(|b| b.unwrap()).collect::<Vec<u8>>();
[INFO] [stderr]     |             ----^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: item `image::Image` has a public `len` method but no corresponding `is_empty` method
[INFO] [stderr]    --> src/image.rs:89:1
[INFO] [stderr]     |
[INFO] [stderr] 89  | / impl Image {
[INFO] [stderr] 90  | |     pub fn new<T: Into<Vec<u8>>>(width: usize, height: usize, typ: ImageType, data: T) -> Image {
[INFO] [stderr] 91  | |         Image {
[INFO] [stderr] 92  | |             typ: typ,
[INFO] [stderr] ...   |
[INFO] [stderr] 410 | |    */
[INFO] [stderr] 411 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::len_without_is_empty)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_without_is_empty
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]    --> src/image.rs:249:9
[INFO] [stderr]     |
[INFO] [stderr] 249 |         let _ = Image::skip_until_newline(&mut bytes);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::let_unit_value)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]    --> src/image.rs:254:9
[INFO] [stderr]     |
[INFO] [stderr] 254 |         let _ = Image::skip_until_newline(&mut bytes);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
[INFO] [stderr]    --> src/image.rs:295:9
[INFO] [stderr]     |
[INFO] [stderr] 295 |         bytes.map(|b| b.unwrap()).take_while(|b| *b != b'\n').collect::<Vec<u8>>();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
[INFO] [stderr] 
[INFO] [stderr] warning: you are collect()ing an iterator and throwing away the result. Consider using an explicit for loop to exhaust the iterator
[INFO] [stderr]    --> src/image.rs:295:9
[INFO] [stderr]     |
[INFO] [stderr] 295 |         bytes.map(|b| b.unwrap()).take_while(|b| *b != b'\n').collect::<Vec<u8>>();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unused_collect)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_collect
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to f32 may become silently lossy if types change
[INFO] [stderr]  --> src/ops.rs:6:26
[INFO] [stderr]   |
[INFO] [stderr] 6 |         image.data[i] = (image.data[i] as f32 * (1.0 - percentage)) as u8;
[INFO] [stderr]   |                          ^^^^^^^^^^^^^^^^^^^^ help: try: `f32::from(image.data[i])`
[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 u8 to f32 may become silently lossy if types change
[INFO] [stderr]   --> src/ops.rs:22:26
[INFO] [stderr]    |
[INFO] [stderr] 22 |         image.data[i] = (image.data[i] as f32 * (1.0 + percentage)) as u8;
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^ help: try: `f32::from(image.data[i])`
[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: this looks like you are swapping elements of `image.data` manually
[INFO] [stderr]    --> src/ops.rs:111:13
[INFO] [stderr]     |
[INFO] [stderr] 111 | /             let tmp = image.data[pos + i];
[INFO] [stderr] 112 | |             image.data[pos + i] = image.data[pos + j];
[INFO] [stderr] 113 | |             image.data[pos + j] = tmp;
[INFO] [stderr]     | |_____________________________________^ help: try: `image.data.swap(pos + i, pos + j)`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::manual_swap)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_swap
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/image.rs:263:13
[INFO] [stderr]     |
[INFO] [stderr] 263 |         let mut bits = bytes.map(|b| b.unwrap()).collect::<Vec<u8>>();
[INFO] [stderr]     |             ----^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: item `image::Image` has a public `len` method but no corresponding `is_empty` method
[INFO] [stderr]    --> src/image.rs:89:1
[INFO] [stderr]     |
[INFO] [stderr] 89  | / impl Image {
[INFO] [stderr] 90  | |     pub fn new<T: Into<Vec<u8>>>(width: usize, height: usize, typ: ImageType, data: T) -> Image {
[INFO] [stderr] 91  | |         Image {
[INFO] [stderr] 92  | |             typ: typ,
[INFO] [stderr] ...   |
[INFO] [stderr] 410 | |    */
[INFO] [stderr] 411 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::len_without_is_empty)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_without_is_empty
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]    --> src/image.rs:249:9
[INFO] [stderr]     |
[INFO] [stderr] 249 |         let _ = Image::skip_until_newline(&mut bytes);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::let_unit_value)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]    --> src/image.rs:254:9
[INFO] [stderr]     |
[INFO] [stderr] 254 |         let _ = Image::skip_until_newline(&mut bytes);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
[INFO] [stderr]    --> src/image.rs:295:9
[INFO] [stderr]     |
[INFO] [stderr] 295 |         bytes.map(|b| b.unwrap()).take_while(|b| *b != b'\n').collect::<Vec<u8>>();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
[INFO] [stderr] 
[INFO] [stderr] warning: you are collect()ing an iterator and throwing away the result. Consider using an explicit for loop to exhaust the iterator
[INFO] [stderr]    --> src/image.rs:295:9
[INFO] [stderr]     |
[INFO] [stderr] 295 |         bytes.map(|b| b.unwrap()).take_while(|b| *b != b'\n').collect::<Vec<u8>>();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unused_collect)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_collect
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/image.rs:429:5
[INFO] [stderr]     |
[INFO] [stderr] 429 |     img.write("image/barbara2.pgm");
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to f32 may become silently lossy if types change
[INFO] [stderr]  --> src/ops.rs:6:26
[INFO] [stderr]   |
[INFO] [stderr] 6 |         image.data[i] = (image.data[i] as f32 * (1.0 - percentage)) as u8;
[INFO] [stderr]   |                          ^^^^^^^^^^^^^^^^^^^^ help: try: `f32::from(image.data[i])`
[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 u8 to f32 may become silently lossy if types change
[INFO] [stderr]   --> src/ops.rs:22:26
[INFO] [stderr]    |
[INFO] [stderr] 22 |         image.data[i] = (image.data[i] as f32 * (1.0 + percentage)) as u8;
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^ help: try: `f32::from(image.data[i])`
[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: this looks like you are swapping elements of `image.data` manually
[INFO] [stderr]    --> src/ops.rs:111:13
[INFO] [stderr]     |
[INFO] [stderr] 111 | /             let tmp = image.data[pos + i];
[INFO] [stderr] 112 | |             image.data[pos + i] = image.data[pos + j];
[INFO] [stderr] 113 | |             image.data[pos + j] = tmp;
[INFO] [stderr]     | |_____________________________________^ help: try: `image.data.swap(pos + i, pos + j)`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::manual_swap)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_swap
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.76s
[INFO] running `"docker" "inspect" "450987b8ac376ad5060ea31845ba1c5743416acb770be02ce772ace08644c27f"`
[INFO] running `"docker" "rm" "-f" "450987b8ac376ad5060ea31845ba1c5743416acb770be02ce772ace08644c27f"`
[INFO] [stdout] 450987b8ac376ad5060ea31845ba1c5743416acb770be02ce772ace08644c27f