[INFO] updating cached repository ruanLN/ray_tracing_rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ruanLN/ray_tracing_rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ruanLN/ray_tracing_rust" "work/ex/clippy-test-run/sources/stable/gh/ruanLN/ray_tracing_rust"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/ruanLN/ray_tracing_rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ruanLN/ray_tracing_rust" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/ruanLN/ray_tracing_rust"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/ruanLN/ray_tracing_rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 432e82ad2dc1a051f3ab377aafcb8f6c49136cd0
[INFO] sha for GitHub repo ruanLN/ray_tracing_rust: 432e82ad2dc1a051f3ab377aafcb8f6c49136cd0
[INFO] validating manifest of ruanLN/ray_tracing_rust 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 ruanLN/ray_tracing_rust 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 ruanLN/ray_tracing_rust
[INFO] finished frobbing ruanLN/ray_tracing_rust
[INFO] frobbed toml for ruanLN/ray_tracing_rust written to work/ex/clippy-test-run/sources/stable/gh/ruanLN/ray_tracing_rust/Cargo.toml
[INFO] started frobbing ruanLN/ray_tracing_rust
[INFO] finished frobbing ruanLN/ray_tracing_rust
[INFO] frobbed toml for ruanLN/ray_tracing_rust written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/ruanLN/ray_tracing_rust/Cargo.toml
[INFO] crate ruanLN/ray_tracing_rust 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 ruanLN/ray_tracing_rust against stable+rustflags=-Dclippy::into_iter_on_array for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-5/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/ruanLN/ray_tracing_rust:/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 -Dclippy::into_iter_on_array" "-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] 4522546bad0058b34b8a108b7d1f62a954b565719f4100da3e52bee744090726
[INFO] running `"docker" "start" "-a" "4522546bad0058b34b8a108b7d1f62a954b565719f4100da3e52bee744090726"`
[INFO] [stderr]     Checking approx v0.1.1
[INFO] [stderr]     Checking bmp v0.2.0
[INFO] [stderr]     Checking cgmath v0.12.0
[INFO] [stderr]     Checking ray_tracing_rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: 5th binding whose name is just one char
[INFO] [stderr]    --> src/main.rs:254:13
[INFO] [stderr]     |
[INFO] [stderr] 254 |         let d = Vector3 {
[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: 6th binding whose name is just one char
[INFO] [stderr]    --> src/main.rs:260:13
[INFO] [stderr]     |
[INFO] [stderr] 260 |         let r = Ray {
[INFO] [stderr]     |             ^
[INFO] [stderr]     |
[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/main.rs:243:9
[INFO] [stderr]     |
[INFO] [stderr] 243 |         objects: objects,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^ help: replace it with: `objects`
[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/main.rs:313:13
[INFO] [stderr]     |
[INFO] [stderr] 313 |             p0: p0,
[INFO] [stderr]     |             ^^^^^^ help: replace it with: `p0`
[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/main.rs:314:13
[INFO] [stderr]     |
[INFO] [stderr] 314 |             p1: p1,
[INFO] [stderr]     |             ^^^^^^ help: replace it with: `p1`
[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/main.rs:315:13
[INFO] [stderr]     |
[INFO] [stderr] 315 |             p2: p2,
[INFO] [stderr]     |             ^^^^^^ help: replace it with: `p2`
[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/main.rs:357:13
[INFO] [stderr]     |
[INFO] [stderr] 357 |             p0: p0,
[INFO] [stderr]     |             ^^^^^^ help: replace it with: `p0`
[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/main.rs:358:13
[INFO] [stderr]     |
[INFO] [stderr] 358 |             p1: p1,
[INFO] [stderr]     |             ^^^^^^ help: replace it with: `p1`
[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/main.rs:359:13
[INFO] [stderr]     |
[INFO] [stderr] 359 |             p2: p2,
[INFO] [stderr]     |             ^^^^^^ help: replace it with: `p2`
[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/main.rs:254:13
[INFO] [stderr]     |
[INFO] [stderr] 254 |         let d = Vector3 {
[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: 6th binding whose name is just one char
[INFO] [stderr]    --> src/main.rs:260:13
[INFO] [stderr]     |
[INFO] [stderr] 260 |         let r = Ray {
[INFO] [stderr]     |             ^
[INFO] [stderr]     |
[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/main.rs:243:9
[INFO] [stderr]     |
[INFO] [stderr] 243 |         objects: objects,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^ help: replace it with: `objects`
[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/main.rs:313:13
[INFO] [stderr]     |
[INFO] [stderr] 313 |             p0: p0,
[INFO] [stderr]     |             ^^^^^^ help: replace it with: `p0`
[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/main.rs:314:13
[INFO] [stderr]     |
[INFO] [stderr] 314 |             p1: p1,
[INFO] [stderr]     |             ^^^^^^ help: replace it with: `p1`
[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/main.rs:315:13
[INFO] [stderr]     |
[INFO] [stderr] 315 |             p2: p2,
[INFO] [stderr]     |             ^^^^^^ help: replace it with: `p2`
[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/main.rs:357:13
[INFO] [stderr]     |
[INFO] [stderr] 357 |             p0: p0,
[INFO] [stderr]     |             ^^^^^^ help: replace it with: `p0`
[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/main.rs:358:13
[INFO] [stderr]     |
[INFO] [stderr] 358 |             p1: p1,
[INFO] [stderr]     |             ^^^^^^ help: replace it with: `p1`
[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/main.rs:359:13
[INFO] [stderr]     |
[INFO] [stderr] 359 |             p2: p2,
[INFO] [stderr]     |             ^^^^^^ help: replace it with: `p2`
[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: unneeded return statement
[INFO] [stderr]   --> src/main.rs:34:9
[INFO] [stderr]    |
[INFO] [stderr] 34 |         return final_color;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `final_color`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/main.rs:124:9
[INFO] [stderr]     |
[INFO] [stderr] 124 |         return Some(intersection_point);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Some(intersection_point)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/main.rs:34:9
[INFO] [stderr]    |
[INFO] [stderr] 34 |         return final_color;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `final_color`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/main.rs:124:9
[INFO] [stderr]     |
[INFO] [stderr] 124 |         return Some(intersection_point);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Some(intersection_point)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Plane`
[INFO] [stderr]   --> src/main.rs:60:1
[INFO] [stderr]    |
[INFO] [stderr] 60 | struct Plane {
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: this loop could be written as a `for` loop
[INFO] [stderr]   --> src/main.rs:25:29
[INFO] [stderr]    |
[INFO] [stderr] 25 |         while let Some(t) = iter.next() {
[INFO] [stderr]    |                             ^^^^^^^^^^^ help: try: `for t in iter { .. }`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::while_let_on_iterator)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#while_let_on_iterator
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `cgmath::InnerSpace::normalize` that must be used
[INFO] [stderr]    --> src/main.rs:104:9
[INFO] [stderr]     |
[INFO] [stderr] 104 |         r.direction.normalize();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `cgmath::InnerSpace::normalize` that must be used
[INFO] [stderr]    --> src/main.rs:138:9
[INFO] [stderr]     |
[INFO] [stderr] 138 |         triangle_normal.normalize();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Plane`
[INFO] [stderr]   --> src/main.rs:60:1
[INFO] [stderr]    |
[INFO] [stderr] 60 | struct Plane {
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: this loop could be written as a `for` loop
[INFO] [stderr]   --> src/main.rs:25:29
[INFO] [stderr]    |
[INFO] [stderr] 25 |         while let Some(t) = iter.next() {
[INFO] [stderr]    |                             ^^^^^^^^^^^ help: try: `for t in iter { .. }`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::while_let_on_iterator)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#while_let_on_iterator
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `cgmath::InnerSpace::normalize` that must be used
[INFO] [stderr]    --> src/main.rs:104:9
[INFO] [stderr]     |
[INFO] [stderr] 104 |         r.direction.normalize();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `cgmath::InnerSpace::normalize` that must be used
[INFO] [stderr]    --> src/main.rs:138:9
[INFO] [stderr]     |
[INFO] [stderr] 138 |         triangle_normal.normalize();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.16s
[INFO] running `"docker" "inspect" "4522546bad0058b34b8a108b7d1f62a954b565719f4100da3e52bee744090726"`
[INFO] running `"docker" "rm" "-f" "4522546bad0058b34b8a108b7d1f62a954b565719f4100da3e52bee744090726"`
[INFO] [stdout] 4522546bad0058b34b8a108b7d1f62a954b565719f4100da3e52bee744090726