[INFO] cloning repository https://github.com/jjant/ray-tracer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jjant/ray-tracer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjjant%2Fray-tracer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjjant%2Fray-tracer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7442d93c0ebc3ba858c7ec98c1607781b132cb87
[INFO] checking jjant/ray-tracer against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjjant%2Fray-tracer" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jjant/ray-tracer on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jjant/ray-tracer
[INFO] finished tweaking git repo https://github.com/jjant/ray-tracer
[INFO] tweaked toml for git repo https://github.com/jjant/ray-tracer written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/jjant/ray-tracer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/source:/opt/rustwide/workdir:ro,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" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 62adb41bbc166bf1c49ca16af11e023ec76cf239e03ddb3c9771bbe14291163c
[INFO] running `Command { std: "docker" "start" "-a" "62adb41bbc166bf1c49ca16af11e023ec76cf239e03ddb3c9771bbe14291163c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "62adb41bbc166bf1c49ca16af11e023ec76cf239e03ddb3c9771bbe14291163c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62adb41bbc166bf1c49ca16af11e023ec76cf239e03ddb3c9771bbe14291163c", kill_on_drop: false }`
[INFO] [stdout] 62adb41bbc166bf1c49ca16af11e023ec76cf239e03ddb3c9771bbe14291163c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/source:/opt/rustwide/workdir:ro,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" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b68c884922abaee99f441ccc45e6f1e419ad3b34f346e8db2b546bae552cfb07
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b68c884922abaee99f441ccc45e6f1e419ad3b34f346e8db2b546bae552cfb07", kill_on_drop: false }`
[INFO] [stderr]     Checking ray-tracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `matrix3`
[INFO] [stdout]  --> src/matrix3.rs:6:16
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub(crate) use matrix3;
[INFO] [stdout]   |                ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pixel_at`
[INFO] [stdout]   --> src/canvas.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn pixel_at(&self, x: i32, y: i32) -> Color {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `red`
[INFO] [stdout]   --> src/color.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn red() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_rows`
[INFO] [stdout]   --> src/matrix2.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn from_rows(rows: [Row; N]) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `identity`
[INFO] [stdout]   --> src/matrix2.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn identity() -> Self {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_transform`
[INFO] [stdout]   --> src/sphere.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn set_transform(&mut self, transform: Matrix4) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `default`
[INFO] [stdout]   --> src/world.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn default() -> Self {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `red`
[INFO] [stdout]   --> src/color.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn red() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.19s
[INFO] running `Command { std: "docker" "inspect" "b68c884922abaee99f441ccc45e6f1e419ad3b34f346e8db2b546bae552cfb07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b68c884922abaee99f441ccc45e6f1e419ad3b34f346e8db2b546bae552cfb07", kill_on_drop: false }`
[INFO] [stdout] b68c884922abaee99f441ccc45e6f1e419ad3b34f346e8db2b546bae552cfb07