[INFO] updating cached repository abhimadan/raytracer
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/abhimadan/raytracer
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/abhimadan/raytracer" "work/ex/clippy-test-run/sources/stable/gh/abhimadan/raytracer"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/abhimadan/raytracer'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/abhimadan/raytracer" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/abhimadan/raytracer"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/abhimadan/raytracer'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b71f336139859d59235baa0539bc0c9b1f277d31
[INFO] sha for GitHub repo abhimadan/raytracer: b71f336139859d59235baa0539bc0c9b1f277d31
[INFO] validating manifest of abhimadan/raytracer 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 abhimadan/raytracer 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 abhimadan/raytracer
[INFO] finished frobbing abhimadan/raytracer
[INFO] frobbed toml for abhimadan/raytracer written to work/ex/clippy-test-run/sources/stable/gh/abhimadan/raytracer/Cargo.toml
[INFO] started frobbing abhimadan/raytracer
[INFO] finished frobbing abhimadan/raytracer
[INFO] frobbed toml for abhimadan/raytracer written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/abhimadan/raytracer/Cargo.toml
[INFO] crate abhimadan/raytracer 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 abhimadan/raytracer 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/abhimadan/raytracer:/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] be9556f9e3af9487c357dc5d334bdfeeaefbe3a8e4568a06842158a992fbd646
[INFO] running `"docker" "start" "-a" "be9556f9e3af9487c357dc5d334bdfeeaefbe3a8e4568a06842158a992fbd646"`
[INFO] [stderr]     Checking raytracer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/main.rs:26:42
[INFO] [stderr]    |
[INFO] [stderr] 26 |     let _ = writeln!(&mut file, "{} {}", 401, 401);
[INFO] [stderr]    |                                          ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::write_literal)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/main.rs:26:47
[INFO] [stderr]    |
[INFO] [stderr] 26 |     let _ = writeln!(&mut file, "{} {}", 401, 401);
[INFO] [stderr]    |                                               ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/main.rs:27:39
[INFO] [stderr]    |
[INFO] [stderr] 27 |     let _ = writeln!(&mut file, "{}", 255);
[INFO] [stderr]    |                                       ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: using `writeln!(&mut file, "")`
[INFO] [stderr]   --> src/main.rs:80:17
[INFO] [stderr]    |
[INFO] [stderr] 80 |         let _ = writeln!(&mut file, "");
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `writeln!(&mut file)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::writeln_empty_string)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#writeln_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/main.rs:26:42
[INFO] [stderr]    |
[INFO] [stderr] 26 |     let _ = writeln!(&mut file, "{} {}", 401, 401);
[INFO] [stderr]    |                                          ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::write_literal)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/main.rs:26:47
[INFO] [stderr]    |
[INFO] [stderr] 26 |     let _ = writeln!(&mut file, "{} {}", 401, 401);
[INFO] [stderr]    |                                               ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/main.rs:27:39
[INFO] [stderr]    |
[INFO] [stderr] 27 |     let _ = writeln!(&mut file, "{}", 255);
[INFO] [stderr]    |                                       ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: using `writeln!(&mut file, "")`
[INFO] [stderr]   --> src/main.rs:80:17
[INFO] [stderr]    |
[INFO] [stderr] 80 |         let _ = writeln!(&mut file, "");
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `writeln!(&mut file)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::writeln_empty_string)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#writeln_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:31:28
[INFO] [stderr]    |
[INFO] [stderr] 31 |             let x_center = (x as i32 as f64)/10.0;
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^ help: try: `f64::from(x as i32)`
[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/main.rs:32:28
[INFO] [stderr]    |
[INFO] [stderr] 32 |             let z_center = (z as i32 as f64)/10.0;
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^ help: try: `f64::from(z as i32)`
[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/main.rs:31:28
[INFO] [stderr]    |
[INFO] [stderr] 31 |             let x_center = (x as i32 as f64)/10.0;
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^ help: try: `f64::from(x as i32)`
[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/main.rs:32:28
[INFO] [stderr]    |
[INFO] [stderr] 32 |             let z_center = (z as i32 as f64)/10.0;
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^ help: try: `f64::from(z as i32)`
[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 0.84s
[INFO] running `"docker" "inspect" "be9556f9e3af9487c357dc5d334bdfeeaefbe3a8e4568a06842158a992fbd646"`
[INFO] running `"docker" "rm" "-f" "be9556f9e3af9487c357dc5d334bdfeeaefbe3a8e4568a06842158a992fbd646"`
[INFO] [stdout] be9556f9e3af9487c357dc5d334bdfeeaefbe3a8e4568a06842158a992fbd646