[INFO] updating cached repository https://github.com/tuzz/ray-tracer
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/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] 0b8aa08384479013e0c88f41d63d991701065e09
[INFO] checking tuzz/ray-tracer against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftuzz%2Fray-tracer" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tuzz/ray-tracer on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/tuzz/ray-tracer
[INFO] finished tweaking git repo https://github.com/tuzz/ray-tracer
[INFO] tweaked toml for git repo https://github.com/tuzz/ray-tracer written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/tuzz/ray-tracer already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] ff258aafb1275eb65d36d1038368a153e207bfe99732a235224e65bbae648ed8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "ff258aafb1275eb65d36d1038368a153e207bfe99732a235224e65bbae648ed8"`
[INFO] [stderr]     Checking assert_approx_eq v1.1.0
[INFO] [stderr]     Checking ray-tracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: type alias is never used: `Vector2f`
[INFO] [stderr]   --> src/geometry/vector2/mod.rs:24:1
[INFO] [stderr]    |
[INFO] [stderr] 24 | pub type Vector2f = Vector2<f64>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Vector2i`
[INFO] [stderr]   --> src/geometry/vector2/mod.rs:25:1
[INFO] [stderr]    |
[INFO] [stderr] 25 | pub type Vector2i = Vector2<i32>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Vector3i`
[INFO] [stderr]   --> src/geometry/vector3/mod.rs:45:1
[INFO] [stderr]    |
[INFO] [stderr] 45 | pub type Vector3i = Vector3<i32>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `CoordinateSystem`
[INFO] [stderr]  --> src/geometry/coordinate_system/mod.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | struct CoordinateSystem {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/geometry/coordinate_system/mod.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     fn new(v1: &Vector3f) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Point2f`
[INFO] [stderr]   --> src/geometry/point2/mod.rs:33:1
[INFO] [stderr]    |
[INFO] [stderr] 33 | pub type Point2f = Point2<f64>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Point2i`
[INFO] [stderr]   --> src/geometry/point2/mod.rs:34:1
[INFO] [stderr]    |
[INFO] [stderr] 34 | pub type Point2i = Point2<i32>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Point3i`
[INFO] [stderr]   --> src/geometry/point3/mod.rs:31:1
[INFO] [stderr]    |
[INFO] [stderr] 31 | pub type Point3i = Point3<i32>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Normal3f`
[INFO] [stderr]   --> src/geometry/normal3/mod.rs:24:1
[INFO] [stderr]    |
[INFO] [stderr] 24 | pub type Normal3f = Normal3<f64>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `at`
[INFO] [stderr]   --> src/geometry/ray/mod.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     pub fn at(&self, time: f64) -> Point3f {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/geometry/ray_differential/mod.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     pub fn new(o: Point3f, d: Vector3f, t_max: Option<f64>, time: Option<f64>, medium: Option<Medium>) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `scale_differentials`
[INFO] [stderr]   --> src/geometry/ray_differential/mod.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     pub fn scale_differentials(&mut self, s: f64) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Bounds2f`
[INFO] [stderr]   --> src/geometry/bounds2/mod.rs:31:1
[INFO] [stderr]    |
[INFO] [stderr] 31 | pub type Bounds2f = Bounds2<f64>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Bounds2i`
[INFO] [stderr]   --> src/geometry/bounds2/mod.rs:32:1
[INFO] [stderr]    |
[INFO] [stderr] 32 | pub type Bounds2i = Bounds2<i32>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Bounds3f`
[INFO] [stderr]   --> src/geometry/bounds3/mod.rs:31:1
[INFO] [stderr]    |
[INFO] [stderr] 31 | pub type Bounds3f = Bounds3<f64>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Bounds3i`
[INFO] [stderr]   --> src/geometry/bounds3/mod.rs:32:1
[INFO] [stderr]    |
[INFO] [stderr] 32 | pub type Bounds3i = Bounds3<i32>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]  --> src/dummy.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     pub fn new() -> Self {
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.98s
[INFO] running `"docker" "inspect" "ff258aafb1275eb65d36d1038368a153e207bfe99732a235224e65bbae648ed8"`
[INFO] running `"docker" "rm" "-f" "ff258aafb1275eb65d36d1038368a153e207bfe99732a235224e65bbae648ed8"`
[INFO] [stdout] ff258aafb1275eb65d36d1038368a153e207bfe99732a235224e65bbae648ed8