[INFO] updating cached repository nbardiuk/ray-tracer-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/nbardiuk/ray-tracer-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/nbardiuk/ray-tracer-rust" "work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/nbardiuk/ray-tracer-rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/nbardiuk/ray-tracer-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/nbardiuk/ray-tracer-rust" "work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/nbardiuk/ray-tracer-rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/nbardiuk/ray-tracer-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 265d1143084eea9157f9bbfecd4692fb364fd827
[INFO] sha for GitHub repo nbardiuk/ray-tracer-rust: 265d1143084eea9157f9bbfecd4692fb364fd827
[INFO] validating manifest of nbardiuk/ray-tracer-rust on toolchain master#39401465da4ce27aeeb2c2a26133ac35c63aa515
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of nbardiuk/ray-tracer-rust on toolchain try#f45cc3094ee337acd688771b9234318046b0572d
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing nbardiuk/ray-tracer-rust
[INFO] finished frobbing nbardiuk/ray-tracer-rust
[INFO] frobbed toml for nbardiuk/ray-tracer-rust written to work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/nbardiuk/ray-tracer-rust/Cargo.toml
[INFO] started frobbing nbardiuk/ray-tracer-rust
[INFO] finished frobbing nbardiuk/ray-tracer-rust
[INFO] frobbed toml for nbardiuk/ray-tracer-rust written to work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/nbardiuk/ray-tracer-rust/Cargo.toml
[INFO] crate nbardiuk/ray-tracer-rust already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking nbardiuk/ray-tracer-rust against try#f45cc3094ee337acd688771b9234318046b0572d for pr-60914
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60914/worker-4/try#f45cc3094ee337acd688771b9234318046b0572d:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/nbardiuk/ray-tracer-rust:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] b04d0ec27dfc5e08fb880bfd362b2b7f175818f4aedddad801bd40d39fcd685b
[INFO] running `"docker" "start" "-a" "b04d0ec27dfc5e08fb880bfd362b2b7f175818f4aedddad801bd40d39fcd685b"`
[INFO] [stderr]     Checking ray-tracer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `pixel_at`
[INFO] [stderr]   --> src/canvas.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     fn pixel_at(&self, x: usize, y: usize) -> Color {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_invertible`
[INFO] [stderr]    --> src/matrices.rs:145:5
[INFO] [stderr]     |
[INFO] [stderr] 145 |     fn is_invertible(&self) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `translation`
[INFO] [stderr]  --> src/transformations.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn translation(x: f64, y: f64, z: f64) -> Matrix {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `rotation_x`
[INFO] [stderr]   --> src/transformations.rs:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | pub fn rotation_x(r: f64) -> Matrix {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `rotation_y`
[INFO] [stderr]   --> src/transformations.rs:30:1
[INFO] [stderr]    |
[INFO] [stderr] 30 | pub fn rotation_y(r: f64) -> Matrix {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `rotation_z`
[INFO] [stderr]   --> src/transformations.rs:41:1
[INFO] [stderr]    |
[INFO] [stderr] 41 | pub fn rotation_z(r: f64) -> Matrix {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_point`
[INFO] [stderr]   --> src/tuples.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     fn is_point(&self) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_vector`
[INFO] [stderr]   --> src/tuples.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn is_vector(&self) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `cross`
[INFO] [stderr]   --> src/tuples.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     fn cross(&self, other: &Tuple) -> Tuple {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `vector`
[INFO] [stderr]    --> src/tuples.rs:160:1
[INFO] [stderr]     |
[INFO] [stderr] 160 | pub fn vector(x: f64, y: f64, z: f64) -> Tuple {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `World`
[INFO] [stderr]   --> src/world.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub struct World<T> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `world`
[INFO] [stderr]   --> src/world.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub fn world() -> World<Sphere> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `default_world`
[INFO] [stderr]   --> src/world.rs:22:1
[INFO] [stderr]    |
[INFO] [stderr] 22 | fn default_world() -> World<Sphere> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `intersects`
[INFO] [stderr]   --> src/world.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     pub fn intersects<'a>(self: &'a World<Sphere>, inray: &Ray) -> Vec<Intersection<'a, Sphere>> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.88s
[INFO] running `"docker" "inspect" "b04d0ec27dfc5e08fb880bfd362b2b7f175818f4aedddad801bd40d39fcd685b"`
[INFO] running `"docker" "rm" "-f" "b04d0ec27dfc5e08fb880bfd362b2b7f175818f4aedddad801bd40d39fcd685b"`
[INFO] [stdout] b04d0ec27dfc5e08fb880bfd362b2b7f175818f4aedddad801bd40d39fcd685b