[INFO] updating cached repository https://github.com/seandmccarthy/the_ray_tracer_challenge_rs
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b28fd14c2e0c569d64d49737086255007bdc7304
[INFO] testing seandmccarthy/the_ray_tracer_challenge_rs against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseandmccarthy%2Fthe_ray_tracer_challenge_rs" "work/builds/worker-7/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/seandmccarthy/the_ray_tracer_challenge_rs on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/seandmccarthy/the_ray_tracer_challenge_rs
[INFO] finished tweaking git repo https://github.com/seandmccarthy/the_ray_tracer_challenge_rs
[INFO] tweaked toml for git repo https://github.com/seandmccarthy/the_ray_tracer_challenge_rs written to work/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/seandmccarthy/the_ray_tracer_challenge_rs already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 8339e66576a87cb086de29920334a8684eebfcee452dd47a4c937ceed5a78c69
[INFO] running `"docker" "start" "-a" "8339e66576a87cb086de29920334a8684eebfcee452dd47a4c937ceed5a78c69"`
[INFO] [stderr]    Compiling ray_tracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]   --> src/rt/tuple.rs:71:1
[INFO] [stderr]    |
[INFO] [stderr] 71 | pub fn run() {
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `tuple`
[INFO] [stderr]   --> src/rt/tuple.rs:74:1
[INFO] [stderr]    |
[INFO] [stderr] 74 | pub fn tuple(x: f64, y: f64, z: f64, w: f64) -> Tuple {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `colour`
[INFO] [stderr]   --> src/rt/tuple.rs:86:1
[INFO] [stderr]    |
[INFO] [stderr] 86 | pub fn colour(red: f64, green: f64, blue: f64) -> Tuple {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `dot`
[INFO] [stderr]    --> src/rt/tuple.rs:104:1
[INFO] [stderr]     |
[INFO] [stderr] 104 | pub fn dot(a: &Tuple, b: &Tuple) -> f64 {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `cross`
[INFO] [stderr]    --> src/rt/tuple.rs:108:1
[INFO] [stderr]     |
[INFO] [stderr] 108 | pub fn cross(a: &Tuple, b: &Tuple) -> Tuple {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `colour`
[INFO] [stderr]   --> src/rt/colour.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub fn colour(red: f64, green: f64, blue: f64) -> Colour {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Canvas`
[INFO] [stderr]  --> src/rt/canvas.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub struct Canvas {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/rt/canvas.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     fn new(width: usize, height: usize) -> Canvas {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `pixel_at`
[INFO] [stderr]   --> src/rt/canvas.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     fn pixel_at(&self, x: usize, y: usize) -> & Colour {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `write_pixel`
[INFO] [stderr]   --> src/rt/canvas.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     fn write_pixel(&mut self, x: usize, y: usize, colour: Colour) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `"docker" "inspect" "8339e66576a87cb086de29920334a8684eebfcee452dd47a4c937ceed5a78c69"`
[INFO] running `"docker" "rm" "-f" "8339e66576a87cb086de29920334a8684eebfcee452dd47a4c937ceed5a78c69"`
[INFO] [stdout] 8339e66576a87cb086de29920334a8684eebfcee452dd47a4c937ceed5a78c69
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] fb9240eda4709ecbc1983ace06af19909093c4fd515d99d6c9dde757cfb309ef
[INFO] running `"docker" "start" "-a" "fb9240eda4709ecbc1983ace06af19909093c4fd515d99d6c9dde757cfb309ef"`
[INFO] [stderr]    Compiling ray_tracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]   --> src/rt/tuple.rs:71:1
[INFO] [stderr]    |
[INFO] [stderr] 71 | pub fn run() {
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `colour`
[INFO] [stderr]   --> src/rt/tuple.rs:86:1
[INFO] [stderr]    |
[INFO] [stderr] 86 | pub fn colour(red: f64, green: f64, blue: f64) -> Tuple {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `"docker" "inspect" "fb9240eda4709ecbc1983ace06af19909093c4fd515d99d6c9dde757cfb309ef"`
[INFO] running `"docker" "rm" "-f" "fb9240eda4709ecbc1983ace06af19909093c4fd515d99d6c9dde757cfb309ef"`
[INFO] [stdout] fb9240eda4709ecbc1983ace06af19909093c4fd515d99d6c9dde757cfb309ef
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] 16213ab018222e05427bb7eeb54d8e9369c25ff3b865fdb14584755f3866c1dc
[INFO] running `"docker" "start" "-a" "16213ab018222e05427bb7eeb54d8e9369c25ff3b865fdb14584755f3866c1dc"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ray_tracer-3b7e359a0ab96d42
[INFO] [stdout] 
[INFO] [stdout] running 26 tests
[INFO] [stdout] test rt::canvas::tests::creating_a_canvas ... ok
[INFO] [stdout] test rt::canvas::tests::get_a_pixel ... ok
[INFO] [stdout] test rt::canvas::tests::write_a_pixel ... ok
[INFO] [stdout] test rt::colour::tests::create_colour ... ok
[INFO] [stdout] test rt::colour::tests::multiplying_a_colour_by_a_scalar ... ok
[INFO] [stdout] test rt::colour::tests::adding_colours ... ok
[INFO] [stdout] test rt::colour::tests::multiplying_colours ... ok
[INFO] [stdout] test rt::tuple::tests::adding_two_tuples ... ok
[INFO] [stdout] test rt::tuple::tests::cross_product_of_two_vectors ... ok
[INFO] [stdout] test rt::tuple::tests::dot_product_of_two_vectors ... ok
[INFO] [stdout] test rt::tuple::tests::dividing_a_tuple_by_a_scalar ... ok
[INFO] [stdout] test rt::tuple::tests::magnitude_of_vector ... ok
[INFO] [stdout] test rt::tuple::tests::magnitude_of_negative_vector ... ok
[INFO] [stdout] test rt::tuple::tests::magnitude_of_vector_x ... ok
[INFO] [stdout] test rt::tuple::tests::magnitude_of_vector_y ... ok
[INFO] [stdout] test rt::tuple::tests::magnitude_of_vector_z ... ok
[INFO] [stdout] test rt::tuple::tests::multiplying_a_tuple_by_a_fraction ... ok
[INFO] [stdout] test rt::tuple::tests::multiplying_a_tuple_by_a_scalar ... ok
[INFO] [stdout] test rt::tuple::tests::negating_a_tuple ... ok
[INFO] [stdout] test rt::tuple::tests::normalising_a_vector ... ok
[INFO] [stdout] test rt::tuple::tests::normalising_a_vector_x_only ... ok
[INFO] [stdout] test rt::tuple::tests::subtracting_a_vector_from_a_point ... ok
[INFO] [stdout] test rt::tuple::tests::subtracting_two_points ... ok
[INFO] [stdout] test rt::tuple::tests::subtracting_two_vectors ... ok
[INFO] [stdout] test rt::tuple::tests::tuple_with_w_0_is_a_vector ... ok
[INFO] [stdout] test rt::tuple::tests::tuple_with_w_1_is_a_point ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 26 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "16213ab018222e05427bb7eeb54d8e9369c25ff3b865fdb14584755f3866c1dc"`
[INFO] running `"docker" "rm" "-f" "16213ab018222e05427bb7eeb54d8e9369c25ff3b865fdb14584755f3866c1dc"`
[INFO] [stdout] 16213ab018222e05427bb7eeb54d8e9369c25ff3b865fdb14584755f3866c1dc