[INFO] updating cached repository brian-yu/rust-renderer
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/brian-yu/rust-renderer
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/brian-yu/rust-renderer" "work/ex/clippy-test-run/sources/stable/gh/brian-yu/rust-renderer"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/brian-yu/rust-renderer'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/brian-yu/rust-renderer" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/brian-yu/rust-renderer"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/brian-yu/rust-renderer'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 91ba863b766a9067f2f738202a0e27cf0d6c4db3
[INFO] sha for GitHub repo brian-yu/rust-renderer: 91ba863b766a9067f2f738202a0e27cf0d6c4db3
[INFO] validating manifest of brian-yu/rust-renderer 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 brian-yu/rust-renderer 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 brian-yu/rust-renderer
[INFO] finished frobbing brian-yu/rust-renderer
[INFO] frobbed toml for brian-yu/rust-renderer written to work/ex/clippy-test-run/sources/stable/gh/brian-yu/rust-renderer/Cargo.toml
[INFO] started frobbing brian-yu/rust-renderer
[INFO] finished frobbing brian-yu/rust-renderer
[INFO] frobbed toml for brian-yu/rust-renderer written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/brian-yu/rust-renderer/Cargo.toml
[INFO] crate brian-yu/rust-renderer 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 brian-yu/rust-renderer against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-3/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/brian-yu/rust-renderer:/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] 948e89efb1f7b0946cbaafa0019e40a6b266b5d80300d8009a42f7f5cd4a702f
[INFO] running `"docker" "start" "-a" "948e89efb1f7b0946cbaafa0019e40a6b266b5d80300d8009a42f7f5cd4a702f"`
[INFO] [stderr]    Compiling num-derive v0.2.2
[INFO] [stderr]     Checking jpeg-decoder v0.1.14
[INFO] [stderr]     Checking image v0.19.0
[INFO] [stderr]     Checking renderer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: casting u32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:35:17
[INFO] [stderr]    |
[INFO] [stderr] 35 |         let t = (x-x0) as f64 / (x1-x0) as f64;
[INFO] [stderr]    |                 ^^^^^^^^^^^^^ help: try: `f64::from(x-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 f64 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:35:33
[INFO] [stderr]    |
[INFO] [stderr] 35 |         let t = (x-x0) as f64 / (x1-x0) as f64;
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^ help: try: `f64::from(x1-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 f64 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:36:17
[INFO] [stderr]    |
[INFO] [stderr] 36 |         let y = y0 as f64 *(1.-t) + y1 as f64 * t;
[INFO] [stderr]    |                 ^^^^^^^^^ help: try: `f64::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 f64 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:36:37
[INFO] [stderr]    |
[INFO] [stderr] 36 |         let y = y0 as f64 *(1.-t) + y1 as f64 * t;
[INFO] [stderr]    |                                     ^^^^^^^^^ help: try: `f64::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 f64 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:37:47
[INFO] [stderr]    |
[INFO] [stderr] 37 |         if x >= img.width() || y < 0. || y >= (img.height() as f64) {
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(img.height())`
[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: single-character string constant used as pattern
[INFO] [stderr]   --> src/main.rs:52:34
[INFO] [stderr]    |
[INFO] [stderr] 52 |     let mut split = s[2..].split(" ");
[INFO] [stderr]    |                                  ^^^ help: try using a char instead: `' '`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::single_char_pattern)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]   --> src/main.rs:54:37
[INFO] [stderr]    |
[INFO] [stderr] 54 |         split.next().unwrap().split("/").next().unwrap().parse::<usize>().unwrap(),
[INFO] [stderr]    |                                     ^^^ help: try using a char instead: `'/'`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]   --> src/main.rs:55:37
[INFO] [stderr]    |
[INFO] [stderr] 55 |         split.next().unwrap().split("/").next().unwrap().parse::<usize>().unwrap(),
[INFO] [stderr]    |                                     ^^^ help: try using a char instead: `'/'`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]   --> src/main.rs:56:37
[INFO] [stderr]    |
[INFO] [stderr] 56 |         split.next().unwrap().split("/").next().unwrap().parse::<usize>().unwrap()
[INFO] [stderr]    |                                     ^^^ help: try using a char instead: `'/'`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]   --> src/main.rs:64:34
[INFO] [stderr]    |
[INFO] [stderr] 64 |     let mut split = s[2..].split(" ");
[INFO] [stderr]    |                                  ^^^ help: try using a char instead: `' '`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:73:28
[INFO] [stderr]    |
[INFO] [stderr] 73 |     let x0 = (v1.0 + 1.) * img.width() as f64/2.;
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^ help: try: `f64::from(img.width())`
[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 f64 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:74:28
[INFO] [stderr]    |
[INFO] [stderr] 74 |     let y0 = (v1.1 + 1.) * img.height() as f64/2.;
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(img.height())`
[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 f64 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:75:28
[INFO] [stderr]    |
[INFO] [stderr] 75 |     let x1 = (v2.0 + 1.) * img.width() as f64/2.;
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^ help: try: `f64::from(img.width())`
[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 f64 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:76:28
[INFO] [stderr]    |
[INFO] [stderr] 76 |     let y1 = (v2.1 + 1.) * img.height() as f64/2.;
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(img.height())`
[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 f64 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:35:17
[INFO] [stderr]    |
[INFO] [stderr] 35 |         let t = (x-x0) as f64 / (x1-x0) as f64;
[INFO] [stderr]    |                 ^^^^^^^^^^^^^ help: try: `f64::from(x-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 f64 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:35:33
[INFO] [stderr]    |
[INFO] [stderr] 35 |         let t = (x-x0) as f64 / (x1-x0) as f64;
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^ help: try: `f64::from(x1-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 f64 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:36:17
[INFO] [stderr]    |
[INFO] [stderr] 36 |         let y = y0 as f64 *(1.-t) + y1 as f64 * t;
[INFO] [stderr]    |                 ^^^^^^^^^ help: try: `f64::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 f64 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:36:37
[INFO] [stderr]    |
[INFO] [stderr] 36 |         let y = y0 as f64 *(1.-t) + y1 as f64 * t;
[INFO] [stderr]    |                                     ^^^^^^^^^ help: try: `f64::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 f64 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:37:47
[INFO] [stderr]    |
[INFO] [stderr] 37 |         if x >= img.width() || y < 0. || y >= (img.height() as f64) {
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(img.height())`
[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: single-character string constant used as pattern
[INFO] [stderr]   --> src/main.rs:52:34
[INFO] [stderr]    |
[INFO] [stderr] 52 |     let mut split = s[2..].split(" ");
[INFO] [stderr]    |                                  ^^^ help: try using a char instead: `' '`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::single_char_pattern)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]   --> src/main.rs:54:37
[INFO] [stderr]    |
[INFO] [stderr] 54 |         split.next().unwrap().split("/").next().unwrap().parse::<usize>().unwrap(),
[INFO] [stderr]    |                                     ^^^ help: try using a char instead: `'/'`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]   --> src/main.rs:55:37
[INFO] [stderr]    |
[INFO] [stderr] 55 |         split.next().unwrap().split("/").next().unwrap().parse::<usize>().unwrap(),
[INFO] [stderr]    |                                     ^^^ help: try using a char instead: `'/'`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]   --> src/main.rs:56:37
[INFO] [stderr]    |
[INFO] [stderr] 56 |         split.next().unwrap().split("/").next().unwrap().parse::<usize>().unwrap()
[INFO] [stderr]    |                                     ^^^ help: try using a char instead: `'/'`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]   --> src/main.rs:64:34
[INFO] [stderr]    |
[INFO] [stderr] 64 |     let mut split = s[2..].split(" ");
[INFO] [stderr]    |                                  ^^^ help: try using a char instead: `' '`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:73:28
[INFO] [stderr]    |
[INFO] [stderr] 73 |     let x0 = (v1.0 + 1.) * img.width() as f64/2.;
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^ help: try: `f64::from(img.width())`
[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 f64 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:74:28
[INFO] [stderr]    |
[INFO] [stderr] 74 |     let y0 = (v1.1 + 1.) * img.height() as f64/2.;
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(img.height())`
[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 f64 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:75:28
[INFO] [stderr]    |
[INFO] [stderr] 75 |     let x1 = (v2.0 + 1.) * img.width() as f64/2.;
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^ help: try: `f64::from(img.width())`
[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 f64 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:76:28
[INFO] [stderr]    |
[INFO] [stderr] 76 |     let y1 = (v2.1 + 1.) * img.height() as f64/2.;
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(img.height())`
[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 13.22s
[INFO] running `"docker" "inspect" "948e89efb1f7b0946cbaafa0019e40a6b266b5d80300d8009a42f7f5cd4a702f"`
[INFO] running `"docker" "rm" "-f" "948e89efb1f7b0946cbaafa0019e40a6b266b5d80300d8009a42f7f5cd4a702f"`
[INFO] [stdout] 948e89efb1f7b0946cbaafa0019e40a6b266b5d80300d8009a42f7f5cd4a702f