[INFO] updating cached repository dmit/tinyrenderer-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/dmit/tinyrenderer-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/dmit/tinyrenderer-rs" "work/ex/clippy-test-run/sources/stable/gh/dmit/tinyrenderer-rs"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/dmit/tinyrenderer-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/dmit/tinyrenderer-rs" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/dmit/tinyrenderer-rs"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/dmit/tinyrenderer-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4bef0ed37be6e7057c39bf3d4892bfc66c70270f
[INFO] sha for GitHub repo dmit/tinyrenderer-rs: 4bef0ed37be6e7057c39bf3d4892bfc66c70270f
[INFO] validating manifest of dmit/tinyrenderer-rs 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 dmit/tinyrenderer-rs 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 dmit/tinyrenderer-rs
[INFO] finished frobbing dmit/tinyrenderer-rs
[INFO] frobbed toml for dmit/tinyrenderer-rs written to work/ex/clippy-test-run/sources/stable/gh/dmit/tinyrenderer-rs/Cargo.toml
[INFO] started frobbing dmit/tinyrenderer-rs
[INFO] finished frobbing dmit/tinyrenderer-rs
[INFO] frobbed toml for dmit/tinyrenderer-rs written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/dmit/tinyrenderer-rs/Cargo.toml
[INFO] crate dmit/tinyrenderer-rs 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 dmit/tinyrenderer-rs against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-1/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/dmit/tinyrenderer-rs:/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] 4f812abfddae8368112589d2075e09a339e72f386c49b54b8fa2d40d870f39a4
[INFO] running `"docker" "start" "-a" "4f812abfddae8368112589d2075e09a339e72f386c49b54b8fa2d40d870f39a4"`
[INFO] [stderr]    Compiling rayon-core v1.2.0
[INFO] [stderr]     Checking png v0.8.0
[INFO] [stderr]     Checking rayon v0.8.1
[INFO] [stderr]     Checking jpeg-decoder v0.1.13
[INFO] [stderr]     Checking image v0.14.0
[INFO] [stderr]     Checking tiny v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/wavefront.rs:32:13
[INFO] [stderr]    |
[INFO] [stderr] 32 |             vertices: vertices,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^ help: replace it with: `vertices`
[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/wavefront.rs:33:13
[INFO] [stderr]    |
[INFO] [stderr] 33 |             faces: faces,
[INFO] [stderr]    |             ^^^^^^^^^^^^ help: replace it with: `faces`
[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: 5th binding whose name is just one char
[INFO] [stderr]   --> src/wavefront.rs:79:13
[INFO] [stderr]    |
[INFO] [stderr] 79 |         let v = Vert { x: x, y: y, z: z };
[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: redundant field names in struct initialization
[INFO] [stderr]   --> src/wavefront.rs:79:24
[INFO] [stderr]    |
[INFO] [stderr] 79 |         let v = Vert { x: x, y: y, z: z };
[INFO] [stderr]    |                        ^^^^ help: replace it with: `x`
[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/wavefront.rs:79:30
[INFO] [stderr]    |
[INFO] [stderr] 79 |         let v = Vert { x: x, y: y, z: z };
[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/wavefront.rs:79:36
[INFO] [stderr]    |
[INFO] [stderr] 79 |         let v = Vert { x: x, y: y, z: z };
[INFO] [stderr]    |                                    ^^^^ help: replace it with: `z`
[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/wavefront.rs:32:13
[INFO] [stderr]    |
[INFO] [stderr] 32 |             vertices: vertices,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^ help: replace it with: `vertices`
[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/wavefront.rs:33:13
[INFO] [stderr]    |
[INFO] [stderr] 33 |             faces: faces,
[INFO] [stderr]    |             ^^^^^^^^^^^^ help: replace it with: `faces`
[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: 5th binding whose name is just one char
[INFO] [stderr]   --> src/wavefront.rs:79:13
[INFO] [stderr]    |
[INFO] [stderr] 79 |         let v = Vert { x: x, y: y, z: z };
[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: redundant field names in struct initialization
[INFO] [stderr]   --> src/wavefront.rs:79:24
[INFO] [stderr]    |
[INFO] [stderr] 79 |         let v = Vert { x: x, y: y, z: z };
[INFO] [stderr]    |                        ^^^^ help: replace it with: `x`
[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/wavefront.rs:79:30
[INFO] [stderr]    |
[INFO] [stderr] 79 |         let v = Vert { x: x, y: y, z: z };
[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/wavefront.rs:79:36
[INFO] [stderr]    |
[INFO] [stderr] 79 |         let v = Vert { x: x, y: y, z: z };
[INFO] [stderr]    |                                    ^^^^ help: replace it with: `z`
[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: use of `expect` followed by a function call
[INFO] [stderr]   --> src/bin/lesson01_obj_render.rs:28:26
[INFO] [stderr]    |
[INFO] [stderr] 28 |         s.parse::<u32>().expect(&format!("Invalid width: {}", s))
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|_| panic!("Invalid width: {}", s))`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::expect_fun_call)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#expect_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `expect` followed by a function call
[INFO] [stderr]   --> src/bin/lesson01_obj_render.rs:31:26
[INFO] [stderr]    |
[INFO] [stderr] 31 |         s.parse::<u32>().expect(&format!("Invalid height: {}", s))
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|_| panic!("Invalid height: {}", s))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#expect_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to i64 may become silently lossy if types change
[INFO] [stderr]   --> src/bin/lesson01_obj_render.rs:77:18
[INFO] [stderr]    |
[INFO] [stderr] 77 |     let steep = (x0 as i64 - x1 as i64).abs() < (y0 as i64 - y1 as i64).abs();
[INFO] [stderr]    |                  ^^^^^^^^^ help: try: `i64::from(x0)`
[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 u32 to i64 may become silently lossy if types change
[INFO] [stderr]   --> src/bin/lesson01_obj_render.rs:77:30
[INFO] [stderr]    |
[INFO] [stderr] 77 |     let steep = (x0 as i64 - x1 as i64).abs() < (y0 as i64 - y1 as i64).abs();
[INFO] [stderr]    |                              ^^^^^^^^^ help: try: `i64::from(x1)`
[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 u32 to i64 may become silently lossy if types change
[INFO] [stderr]   --> src/bin/lesson01_obj_render.rs:77:50
[INFO] [stderr]    |
[INFO] [stderr] 77 |     let steep = (x0 as i64 - x1 as i64).abs() < (y0 as i64 - y1 as i64).abs();
[INFO] [stderr]    |                                                  ^^^^^^^^^ help: try: `i64::from(y0)`
[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 u32 to i64 may become silently lossy if types change
[INFO] [stderr]   --> src/bin/lesson01_obj_render.rs:77:62
[INFO] [stderr]    |
[INFO] [stderr] 77 |     let steep = (x0 as i64 - x1 as i64).abs() < (y0 as i64 - y1 as i64).abs();
[INFO] [stderr]    |                                                              ^^^^^^^^^ help: try: `i64::from(y1)`
[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 u32 to i64 may become silently lossy if types change
[INFO] [stderr]   --> src/bin/lesson01_obj_render.rs:88:14
[INFO] [stderr]    |
[INFO] [stderr] 88 |     let dx = x1 as i64 - x0 as i64;
[INFO] [stderr]    |              ^^^^^^^^^ help: try: `i64::from(x1)`
[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 u32 to i64 may become silently lossy if types change
[INFO] [stderr]   --> src/bin/lesson01_obj_render.rs:88:26
[INFO] [stderr]    |
[INFO] [stderr] 88 |     let dx = x1 as i64 - x0 as i64;
[INFO] [stderr]    |                          ^^^^^^^^^ help: try: `i64::from(x0)`
[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 u32 to i64 may become silently lossy if types change
[INFO] [stderr]   --> src/bin/lesson01_obj_render.rs:89:14
[INFO] [stderr]    |
[INFO] [stderr] 89 |     let dy = y1 as i64 - y0 as i64;
[INFO] [stderr]    |              ^^^^^^^^^ help: try: `i64::from(y1)`
[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 u32 to i64 may become silently lossy if types change
[INFO] [stderr]   --> src/bin/lesson01_obj_render.rs:89:26
[INFO] [stderr]    |
[INFO] [stderr] 89 |     let dy = y1 as i64 - y0 as i64;
[INFO] [stderr]    |                          ^^^^^^^^^ help: try: `i64::from(y0)`
[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: use of `expect` followed by a function call
[INFO] [stderr]   --> src/bin/lesson01_obj_render.rs:28:26
[INFO] [stderr]    |
[INFO] [stderr] 28 |         s.parse::<u32>().expect(&format!("Invalid width: {}", s))
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|_| panic!("Invalid width: {}", s))`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::expect_fun_call)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#expect_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `expect` followed by a function call
[INFO] [stderr]   --> src/bin/lesson01_obj_render.rs:31:26
[INFO] [stderr]    |
[INFO] [stderr] 31 |         s.parse::<u32>().expect(&format!("Invalid height: {}", s))
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|_| panic!("Invalid height: {}", s))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#expect_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to i64 may become silently lossy if types change
[INFO] [stderr]   --> src/bin/lesson01_obj_render.rs:77:18
[INFO] [stderr]    |
[INFO] [stderr] 77 |     let steep = (x0 as i64 - x1 as i64).abs() < (y0 as i64 - y1 as i64).abs();
[INFO] [stderr]    |                  ^^^^^^^^^ help: try: `i64::from(x0)`
[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 u32 to i64 may become silently lossy if types change
[INFO] [stderr]   --> src/bin/lesson01_obj_render.rs:77:30
[INFO] [stderr]    |
[INFO] [stderr] 77 |     let steep = (x0 as i64 - x1 as i64).abs() < (y0 as i64 - y1 as i64).abs();
[INFO] [stderr]    |                              ^^^^^^^^^ help: try: `i64::from(x1)`
[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 u32 to i64 may become silently lossy if types change
[INFO] [stderr]   --> src/bin/lesson01_obj_render.rs:77:50
[INFO] [stderr]    |
[INFO] [stderr] 77 |     let steep = (x0 as i64 - x1 as i64).abs() < (y0 as i64 - y1 as i64).abs();
[INFO] [stderr]    |                                                  ^^^^^^^^^ help: try: `i64::from(y0)`
[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 u32 to i64 may become silently lossy if types change
[INFO] [stderr]   --> src/bin/lesson01_obj_render.rs:77:62
[INFO] [stderr]    |
[INFO] [stderr] 77 |     let steep = (x0 as i64 - x1 as i64).abs() < (y0 as i64 - y1 as i64).abs();
[INFO] [stderr]    |                                                              ^^^^^^^^^ help: try: `i64::from(y1)`
[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 u32 to i64 may become silently lossy if types change
[INFO] [stderr]   --> src/bin/lesson01_obj_render.rs:88:14
[INFO] [stderr]    |
[INFO] [stderr] 88 |     let dx = x1 as i64 - x0 as i64;
[INFO] [stderr]    |              ^^^^^^^^^ help: try: `i64::from(x1)`
[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 u32 to i64 may become silently lossy if types change
[INFO] [stderr]   --> src/bin/lesson01_obj_render.rs:88:26
[INFO] [stderr]    |
[INFO] [stderr] 88 |     let dx = x1 as i64 - x0 as i64;
[INFO] [stderr]    |                          ^^^^^^^^^ help: try: `i64::from(x0)`
[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 u32 to i64 may become silently lossy if types change
[INFO] [stderr]   --> src/bin/lesson01_obj_render.rs:89:14
[INFO] [stderr]    |
[INFO] [stderr] 89 |     let dy = y1 as i64 - y0 as i64;
[INFO] [stderr]    |              ^^^^^^^^^ help: try: `i64::from(y1)`
[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 u32 to i64 may become silently lossy if types change
[INFO] [stderr]   --> src/bin/lesson01_obj_render.rs:89:26
[INFO] [stderr]    |
[INFO] [stderr] 89 |     let dy = y1 as i64 - y0 as i64;
[INFO] [stderr]    |                          ^^^^^^^^^ help: try: `i64::from(y0)`
[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]     Finished dev [unoptimized + debuginfo] target(s) in 15.62s
[INFO] running `"docker" "inspect" "4f812abfddae8368112589d2075e09a339e72f386c49b54b8fa2d40d870f39a4"`
[INFO] running `"docker" "rm" "-f" "4f812abfddae8368112589d2075e09a339e72f386c49b54b8fa2d40d870f39a4"`
[INFO] [stdout] 4f812abfddae8368112589d2075e09a339e72f386c49b54b8fa2d40d870f39a4