[INFO] cloning repository https://github.com/tigleym/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/tigleym/ray-tracer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftigleym%2Fray-tracer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftigleym%2Fray-tracer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cec2788ef8f860cbac94e4f3a499f1d33a9a8695
[INFO] checking tigleym/ray-tracer against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftigleym%2Fray-tracer" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tigleym/ray-tracer on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tigleym/ray-tracer
[INFO] finished tweaking git repo https://github.com/tigleym/ray-tracer
[INFO] tweaked toml for git repo https://github.com/tigleym/ray-tracer written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/tigleym/ray-tracer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "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] 7ab3da12bd7035b7af529b618b93d0d338185d4a529c35570d2d078881bc8e73
[INFO] running `Command { std: "docker" "start" "-a" "7ab3da12bd7035b7af529b618b93d0d338185d4a529c35570d2d078881bc8e73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ab3da12bd7035b7af529b618b93d0d338185d4a529c35570d2d078881bc8e73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ab3da12bd7035b7af529b618b93d0d338185d4a529c35570d2d078881bc8e73", kill_on_drop: false }`
[INFO] [stdout] 7ab3da12bd7035b7af529b618b93d0d338185d4a529c35570d2d078881bc8e73
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] ed19b63b469d49560a28ffd286df03ec2bae8bf2fd31d3fcce46322c2b19f7a9
[INFO] running `Command { std: "docker" "start" "-a" "ed19b63b469d49560a28ffd286df03ec2bae8bf2fd31d3fcce46322c2b19f7a9", kill_on_drop: false }`
[INFO] [stderr]     Checking ray-tracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `compare_colors`
[INFO] [stdout]   --> src/tuples/color.rs:59:4
[INFO] [stdout]    |
[INFO] [stdout] 59 | fn compare_colors(c: Color, expected: 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: `new`
[INFO] [stdout]   --> src/tuples/vector.rs:71:10
[INFO] [stdout]    |
[INFO] [stdout] 71 |   pub fn new() -> Vector {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `dot`
[INFO] [stdout]   --> src/tuples/vector.rs:89:8
[INFO] [stdout]    |
[INFO] [stdout] 89 | pub fn dot(a: &Vector, b: &Vector) -> f64 {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `cross`
[INFO] [stdout]   --> src/tuples/vector.rs:93:8
[INFO] [stdout]    |
[INFO] [stdout] 93 | pub fn cross(a: &Vector, b: &Vector) -> Vector {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.07s
[INFO] running `Command { std: "docker" "inspect" "ed19b63b469d49560a28ffd286df03ec2bae8bf2fd31d3fcce46322c2b19f7a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed19b63b469d49560a28ffd286df03ec2bae8bf2fd31d3fcce46322c2b19f7a9", kill_on_drop: false }`
[INFO] [stdout] ed19b63b469d49560a28ffd286df03ec2bae8bf2fd31d3fcce46322c2b19f7a9