[INFO] updating cached repository aauger/Rust-Frame-Interpolation
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/aauger/Rust-Frame-Interpolation
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/aauger/Rust-Frame-Interpolation" "work/ex/clippy-test-run/sources/stable/gh/aauger/Rust-Frame-Interpolation"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/aauger/Rust-Frame-Interpolation'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/aauger/Rust-Frame-Interpolation" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/aauger/Rust-Frame-Interpolation"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/aauger/Rust-Frame-Interpolation'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3773a36e35eb2435162639fa918b526fbb3c68ec
[INFO] sha for GitHub repo aauger/Rust-Frame-Interpolation: 3773a36e35eb2435162639fa918b526fbb3c68ec
[INFO] validating manifest of aauger/Rust-Frame-Interpolation 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 aauger/Rust-Frame-Interpolation 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 aauger/Rust-Frame-Interpolation
[INFO] finished frobbing aauger/Rust-Frame-Interpolation
[INFO] frobbed toml for aauger/Rust-Frame-Interpolation written to work/ex/clippy-test-run/sources/stable/gh/aauger/Rust-Frame-Interpolation/Cargo.toml
[INFO] started frobbing aauger/Rust-Frame-Interpolation
[INFO] finished frobbing aauger/Rust-Frame-Interpolation
[INFO] frobbed toml for aauger/Rust-Frame-Interpolation written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/aauger/Rust-Frame-Interpolation/Cargo.toml
[INFO] crate aauger/Rust-Frame-Interpolation 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 aauger/Rust-Frame-Interpolation 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/gh/aauger/Rust-Frame-Interpolation:/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] 551c9b6a54d309b1b6c578329af0cb71d79a1b151bf8bff7adc5158aa4850566
[INFO] running `"docker" "start" "-a" "551c9b6a54d309b1b6c578329af0cb71d79a1b151bf8bff7adc5158aa4850566"`
[INFO] [stderr]     Checking Rust-Frame-Interpolation v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/frame_pair.rs:67:28
[INFO] [stderr]    |
[INFO] [stderr] 67 |                         if (xf < 0 || xf > (w as i32) - 1) { continue; }
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/frame_pair.rs:69:28
[INFO] [stderr]    |
[INFO] [stderr] 69 |                         if (yf < 0 || yf > (h as i32) - 1) { continue; }
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/frame_pair.rs:71:28
[INFO] [stderr]    |
[INFO] [stderr] 71 |                         if (xoff == 0 && yoff == 0) { continue; }
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/frame_pair.rs:75:28
[INFO] [stderr]    |
[INFO] [stderr] 75 |                         if (distance(a_color, b_color) < distance(a_color, nearest)) {
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/frame_pair.rs:67:28
[INFO] [stderr]    |
[INFO] [stderr] 67 |                         if (xf < 0 || xf > (w as i32) - 1) { continue; }
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/frame_pair.rs:69:28
[INFO] [stderr]    |
[INFO] [stderr] 69 |                         if (yf < 0 || yf > (h as i32) - 1) { continue; }
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/frame_pair.rs:71:28
[INFO] [stderr]    |
[INFO] [stderr] 71 |                         if (xoff == 0 && yoff == 0) { continue; }
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/frame_pair.rs:75:28
[INFO] [stderr]    |
[INFO] [stderr] 75 |                         if (distance(a_color, b_color) < distance(a_color, nearest)) {
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `adist`
[INFO] [stderr]   --> src/frame_pair.rs:22:9
[INFO] [stderr]    |
[INFO] [stderr] 22 |     let adist = ((a.data[3] as i32) - (b.data[3] as i32)).wrapping_abs();
[INFO] [stderr]    |         ^^^^^ help: consider using `_adist` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `save_bframe`
[INFO] [stderr]    --> src/frame_pair.rs:102:5
[INFO] [stderr]     |
[INFO] [stderr] 102 |     pub fn save_bframe(&self, path: &Path) -> io::Result<()>
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: crate `Rust_Frame_Interpolation` should have a snake case name such as `rust_frame_interpolation`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to i32 may become silently lossy if types change
[INFO] [stderr]   --> src/frame_pair.rs:19:18
[INFO] [stderr]    |
[INFO] [stderr] 19 |     let rdist = ((a.data[0] as i32) - (b.data[0] as i32)).wrapping_abs();
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^ help: try: `i32::from(a.data[0])`
[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 i32 may become silently lossy if types change
[INFO] [stderr]   --> src/frame_pair.rs:19:39
[INFO] [stderr]    |
[INFO] [stderr] 19 |     let rdist = ((a.data[0] as i32) - (b.data[0] as i32)).wrapping_abs();
[INFO] [stderr]    |                                       ^^^^^^^^^^^^^^^^^^ help: try: `i32::from(b.data[0])`
[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 u8 to i32 may become silently lossy if types change
[INFO] [stderr]   --> src/frame_pair.rs:20:18
[INFO] [stderr]    |
[INFO] [stderr] 20 |     let gdist = ((a.data[1] as i32) - (b.data[1] as i32)).wrapping_abs();
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^ help: try: `i32::from(a.data[1])`
[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 u8 to i32 may become silently lossy if types change
[INFO] [stderr]   --> src/frame_pair.rs:20:39
[INFO] [stderr]    |
[INFO] [stderr] 20 |     let gdist = ((a.data[1] as i32) - (b.data[1] as i32)).wrapping_abs();
[INFO] [stderr]    |                                       ^^^^^^^^^^^^^^^^^^ help: try: `i32::from(b.data[1])`
[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 u8 to i32 may become silently lossy if types change
[INFO] [stderr]   --> src/frame_pair.rs:21:18
[INFO] [stderr]    |
[INFO] [stderr] 21 |     let bdist = ((a.data[2] as i32) - (b.data[2] as i32)).wrapping_abs();
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^ help: try: `i32::from(a.data[2])`
[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 u8 to i32 may become silently lossy if types change
[INFO] [stderr]   --> src/frame_pair.rs:21:39
[INFO] [stderr]    |
[INFO] [stderr] 21 |     let bdist = ((a.data[2] as i32) - (b.data[2] as i32)).wrapping_abs();
[INFO] [stderr]    |                                       ^^^^^^^^^^^^^^^^^^ help: try: `i32::from(b.data[2])`
[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 u8 to i32 may become silently lossy if types change
[INFO] [stderr]   --> src/frame_pair.rs:22:18
[INFO] [stderr]    |
[INFO] [stderr] 22 |     let adist = ((a.data[3] as i32) - (b.data[3] as i32)).wrapping_abs();
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^ help: try: `i32::from(a.data[3])`
[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 u8 to i32 may become silently lossy if types change
[INFO] [stderr]   --> src/frame_pair.rs:22:39
[INFO] [stderr]    |
[INFO] [stderr] 22 |     let adist = ((a.data[3] as i32) - (b.data[3] as i32)).wrapping_abs();
[INFO] [stderr]    |                                       ^^^^^^^^^^^^^^^^^^ help: try: `i32::from(b.data[3])`
[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 u8 to i32 may become silently lossy if types change
[INFO] [stderr]   --> src/frame_pair.rs:27:19
[INFO] [stderr]    |
[INFO] [stderr] 27 |     let ia: i32 = a as i32;
[INFO] [stderr]    |                   ^^^^^^^^ help: try: `i32::from(a)`
[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 u8 to i32 may become silently lossy if types change
[INFO] [stderr]   --> src/frame_pair.rs:28:19
[INFO] [stderr]    |
[INFO] [stderr] 28 |     let ib: i32 = b as i32;
[INFO] [stderr]    |                   ^^^^^^^^ help: try: `i32::from(b)`
[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 u8 to i32 may become silently lossy if types change
[INFO] [stderr]   --> src/frame_pair.rs:30:16
[INFO] [stderr]    |
[INFO] [stderr] 30 |     if diff >= (thres as i32) {
[INFO] [stderr]    |                ^^^^^^^^^^^^^^ help: try: `i32::from(thres)`
[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: unused variable: `adist`
[INFO] [stderr]   --> src/frame_pair.rs:22:9
[INFO] [stderr]    |
[INFO] [stderr] 22 |     let adist = ((a.data[3] as i32) - (b.data[3] as i32)).wrapping_abs();
[INFO] [stderr]    |         ^^^^^ help: consider using `_adist` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]   --> src/main.rs:31:13
[INFO] [stderr]    |
[INFO] [stderr] 31 | /             match fp.save_aframe(Path::new(&format!("{}{}.png", outfolder, oframecount))) {
[INFO] [stderr] 32 | |                 Err(_e) => panic!("Error saving A frame"),
[INFO] [stderr] 33 | |                 _ => ()
[INFO] [stderr] 34 | |             }
[INFO] [stderr]    | |_____________^ help: try this: `if let Err(_e) = fp.save_aframe(Path::new(&format!("{}{}.png", outfolder, oframecount))) { panic!("Error saving A frame") }`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]   --> src/main.rs:36:13
[INFO] [stderr]    |
[INFO] [stderr] 36 | /             match fp.save_iframe(Path::new(&format!("{}{}.png", outfolder, oframecount+1))) {
[INFO] [stderr] 37 | |                 Err (_e) => panic!("Error saving I frame"),
[INFO] [stderr] 38 | |                 _ => ()
[INFO] [stderr] 39 | |             }
[INFO] [stderr]    | |_____________^ help: try this: `if let Err (_e) = fp.save_iframe(Path::new(&format!("{}{}.png", outfolder, oframecount+1))) { panic!("Error saving I frame") }`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `save_bframe`
[INFO] [stderr]    --> src/frame_pair.rs:102:5
[INFO] [stderr]     |
[INFO] [stderr] 102 |     pub fn save_bframe(&self, path: &Path) -> io::Result<()>
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: crate `Rust_Frame_Interpolation` should have a snake case name such as `rust_frame_interpolation`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to i32 may become silently lossy if types change
[INFO] [stderr]   --> src/frame_pair.rs:19:18
[INFO] [stderr]    |
[INFO] [stderr] 19 |     let rdist = ((a.data[0] as i32) - (b.data[0] as i32)).wrapping_abs();
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^ help: try: `i32::from(a.data[0])`
[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 i32 may become silently lossy if types change
[INFO] [stderr]   --> src/frame_pair.rs:19:39
[INFO] [stderr]    |
[INFO] [stderr] 19 |     let rdist = ((a.data[0] as i32) - (b.data[0] as i32)).wrapping_abs();
[INFO] [stderr]    |                                       ^^^^^^^^^^^^^^^^^^ help: try: `i32::from(b.data[0])`
[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 u8 to i32 may become silently lossy if types change
[INFO] [stderr]   --> src/frame_pair.rs:20:18
[INFO] [stderr]    |
[INFO] [stderr] 20 |     let gdist = ((a.data[1] as i32) - (b.data[1] as i32)).wrapping_abs();
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^ help: try: `i32::from(a.data[1])`
[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 u8 to i32 may become silently lossy if types change
[INFO] [stderr]   --> src/frame_pair.rs:20:39
[INFO] [stderr]    |
[INFO] [stderr] 20 |     let gdist = ((a.data[1] as i32) - (b.data[1] as i32)).wrapping_abs();
[INFO] [stderr]    |                                       ^^^^^^^^^^^^^^^^^^ help: try: `i32::from(b.data[1])`
[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 u8 to i32 may become silently lossy if types change
[INFO] [stderr]   --> src/frame_pair.rs:21:18
[INFO] [stderr]    |
[INFO] [stderr] 21 |     let bdist = ((a.data[2] as i32) - (b.data[2] as i32)).wrapping_abs();
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^ help: try: `i32::from(a.data[2])`
[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 u8 to i32 may become silently lossy if types change
[INFO] [stderr]   --> src/frame_pair.rs:21:39
[INFO] [stderr]    |
[INFO] [stderr] 21 |     let bdist = ((a.data[2] as i32) - (b.data[2] as i32)).wrapping_abs();
[INFO] [stderr]    |                                       ^^^^^^^^^^^^^^^^^^ help: try: `i32::from(b.data[2])`
[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 u8 to i32 may become silently lossy if types change
[INFO] [stderr]   --> src/frame_pair.rs:22:18
[INFO] [stderr]    |
[INFO] [stderr] 22 |     let adist = ((a.data[3] as i32) - (b.data[3] as i32)).wrapping_abs();
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^ help: try: `i32::from(a.data[3])`
[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 u8 to i32 may become silently lossy if types change
[INFO] [stderr]   --> src/frame_pair.rs:22:39
[INFO] [stderr]    |
[INFO] [stderr] 22 |     let adist = ((a.data[3] as i32) - (b.data[3] as i32)).wrapping_abs();
[INFO] [stderr]    |                                       ^^^^^^^^^^^^^^^^^^ help: try: `i32::from(b.data[3])`
[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 u8 to i32 may become silently lossy if types change
[INFO] [stderr]   --> src/frame_pair.rs:27:19
[INFO] [stderr]    |
[INFO] [stderr] 27 |     let ia: i32 = a as i32;
[INFO] [stderr]    |                   ^^^^^^^^ help: try: `i32::from(a)`
[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 u8 to i32 may become silently lossy if types change
[INFO] [stderr]   --> src/frame_pair.rs:28:19
[INFO] [stderr]    |
[INFO] [stderr] 28 |     let ib: i32 = b as i32;
[INFO] [stderr]    |                   ^^^^^^^^ help: try: `i32::from(b)`
[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 u8 to i32 may become silently lossy if types change
[INFO] [stderr]   --> src/frame_pair.rs:30:16
[INFO] [stderr]    |
[INFO] [stderr] 30 |     if diff >= (thres as i32) {
[INFO] [stderr]    |                ^^^^^^^^^^^^^^ help: try: `i32::from(thres)`
[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: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]   --> src/main.rs:31:13
[INFO] [stderr]    |
[INFO] [stderr] 31 | /             match fp.save_aframe(Path::new(&format!("{}{}.png", outfolder, oframecount))) {
[INFO] [stderr] 32 | |                 Err(_e) => panic!("Error saving A frame"),
[INFO] [stderr] 33 | |                 _ => ()
[INFO] [stderr] 34 | |             }
[INFO] [stderr]    | |_____________^ help: try this: `if let Err(_e) = fp.save_aframe(Path::new(&format!("{}{}.png", outfolder, oframecount))) { panic!("Error saving A frame") }`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]   --> src/main.rs:36:13
[INFO] [stderr]    |
[INFO] [stderr] 36 | /             match fp.save_iframe(Path::new(&format!("{}{}.png", outfolder, oframecount+1))) {
[INFO] [stderr] 37 | |                 Err (_e) => panic!("Error saving I frame"),
[INFO] [stderr] 38 | |                 _ => ()
[INFO] [stderr] 39 | |             }
[INFO] [stderr]    | |_____________^ help: try this: `if let Err (_e) = fp.save_iframe(Path::new(&format!("{}{}.png", outfolder, oframecount+1))) { panic!("Error saving I frame") }`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.94s
[INFO] running `"docker" "inspect" "551c9b6a54d309b1b6c578329af0cb71d79a1b151bf8bff7adc5158aa4850566"`
[INFO] running `"docker" "rm" "-f" "551c9b6a54d309b1b6c578329af0cb71d79a1b151bf8bff7adc5158aa4850566"`
[INFO] [stdout] 551c9b6a54d309b1b6c578329af0cb71d79a1b151bf8bff7adc5158aa4850566