[INFO] cloning repository https://github.com/seandmccarthy/the_ray_tracer_challenge_rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/seandmccarthy/the_ray_tracer_challenge_rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseandmccarthy%2Fthe_ray_tracer_challenge_rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseandmccarthy%2Fthe_ray_tracer_challenge_rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b28fd14c2e0c569d64d49737086255007bdc7304
[INFO] checking seandmccarthy/the_ray_tracer_challenge_rs against master#656ccbe796ff98def9b555c118e1620c5389e3b2 for pr-133502-24
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseandmccarthy%2Fthe_ray_tracer_challenge_rs" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[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 /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/seandmccarthy/the_ray_tracer_challenge_rs on toolchain 656ccbe796ff98def9b555c118e1620c5389e3b2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+656ccbe796ff98def9b555c118e1620c5389e3b2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/seandmccarthy/the_ray_tracer_challenge_rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+656ccbe796ff98def9b555c118e1620c5389e3b2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 72e995e79b41b43a73605b78ac68972bd5c16829ffbb81c1be5cc7d8fe25192f
[INFO] running `Command { std: "docker" "start" "72e995e79b41b43a73605b78ac68972bd5c16829ffbb81c1be5cc7d8fe25192f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "72e995e79b41b43a73605b78ac68972bd5c16829ffbb81c1be5cc7d8fe25192f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "72e995e79b41b43a73605b78ac68972bd5c16829ffbb81c1be5cc7d8fe25192f" "/opt/rustwide/cargo-home/bin/cargo" "+656ccbe796ff98def9b555c118e1620c5389e3b2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "72e995e79b41b43a73605b78ac68972bd5c16829ffbb81c1be5cc7d8fe25192f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "72e995e79b41b43a73605b78ac68972bd5c16829ffbb81c1be5cc7d8fe25192f" "/opt/rustwide/cargo-home/bin/cargo" "+656ccbe796ff98def9b555c118e1620c5389e3b2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking ray_tracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self::tuple::Tuple`
[INFO] [stdout]  --> src/rt/mod.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub use self::tuple::Tuple;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::colour::Colour`
[INFO] [stdout]  --> src/rt/mod.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub use self::colour::Colour;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::canvas::Canvas`
[INFO] [stdout]  --> src/rt/mod.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use self::canvas::Canvas;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::tuple::Tuple`
[INFO] [stdout]  --> src/rt/mod.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub use self::tuple::Tuple;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::colour::Colour`
[INFO] [stdout]  --> src/rt/mod.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub use self::colour::Colour;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::canvas::Canvas`
[INFO] [stdout]  --> src/rt/mod.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use self::canvas::Canvas;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]   --> src/rt/tuple.rs:71:8
[INFO] [stdout]    |
[INFO] [stdout] 71 | pub fn run() {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `colour` is never used
[INFO] [stdout]   --> src/rt/tuple.rs:86:8
[INFO] [stdout]    |
[INFO] [stdout] 86 | pub fn colour(red: f64, green: f64, blue: f64) -> Tuple {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]   --> src/rt/tuple.rs:71:8
[INFO] [stdout]    |
[INFO] [stdout] 71 | pub fn run() {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `tuple` is never used
[INFO] [stdout]   --> src/rt/tuple.rs:74:8
[INFO] [stdout]    |
[INFO] [stdout] 74 | pub fn tuple(x: f64, y: f64, z: f64, w: f64) -> Tuple {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `colour` is never used
[INFO] [stdout]   --> src/rt/tuple.rs:86:8
[INFO] [stdout]    |
[INFO] [stdout] 86 | pub fn colour(red: f64, green: f64, blue: f64) -> Tuple {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `dot` is never used
[INFO] [stdout]    --> src/rt/tuple.rs:104:8
[INFO] [stdout]     |
[INFO] [stdout] 104 | pub fn dot(a: &Tuple, b: &Tuple) -> f64 {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cross` is never used
[INFO] [stdout]    --> src/rt/tuple.rs:108:8
[INFO] [stdout]     |
[INFO] [stdout] 108 | pub fn cross(a: &Tuple, b: &Tuple) -> Tuple {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Colour` is never constructed
[INFO] [stdout]  --> src/rt/colour.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Colour {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `colour` is never used
[INFO] [stdout]   --> src/rt/colour.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn colour(red: f64, green: f64, blue: f64) -> Colour {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Canvas` is never constructed
[INFO] [stdout]  --> src/rt/canvas.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Canvas {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `pixel_at`, and `write_pixel` are never used
[INFO] [stdout]   --> src/rt/canvas.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl Canvas {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 10 |     fn new(width: usize, height: usize) -> Canvas {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 |     fn pixel_at(&self, x: usize, y: usize) -> & Colour {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     fn write_pixel(&mut self, x: usize, y: usize, colour: Colour) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "72e995e79b41b43a73605b78ac68972bd5c16829ffbb81c1be5cc7d8fe25192f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72e995e79b41b43a73605b78ac68972bd5c16829ffbb81c1be5cc7d8fe25192f", kill_on_drop: false }`
[INFO] [stdout] 72e995e79b41b43a73605b78ac68972bd5c16829ffbb81c1be5cc7d8fe25192f
