[INFO] cloning repository https://github.com/nbardiuk/ray-tracer-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nbardiuk/ray-tracer-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnbardiuk%2Fray-tracer-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnbardiuk%2Fray-tracer-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cf69d38ace625032e30f9e35496e3fa892636a37
[INFO] checking nbardiuk/ray-tracer-rust against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnbardiuk%2Fray-tracer-rust" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nbardiuk/ray-tracer-rust on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nbardiuk/ray-tracer-rust
[INFO] finished tweaking git repo https://github.com/nbardiuk/ray-tracer-rust
[INFO] tweaked toml for git repo https://github.com/nbardiuk/ray-tracer-rust written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/nbardiuk/ray-tracer-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hamcrest2 v0.2.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "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] 55c06f0d7dca47edc4bee5390382b4c5149da9a053621e45fae33b97a5443108
[INFO] running `Command { std: "docker" "start" "-a" "55c06f0d7dca47edc4bee5390382b4c5149da9a053621e45fae33b97a5443108", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55c06f0d7dca47edc4bee5390382b4c5149da9a053621e45fae33b97a5443108", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55c06f0d7dca47edc4bee5390382b4c5149da9a053621e45fae33b97a5443108", kill_on_drop: false }`
[INFO] [stdout] 55c06f0d7dca47edc4bee5390382b4c5149da9a053621e45fae33b97a5443108
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff5cf44a575246b41c0a22e34492fa36365389d21b8ca9b48bd134fe884eb7dc
[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" "ff5cf44a575246b41c0a22e34492fa36365389d21b8ca9b48bd134fe884eb7dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.4
[INFO] [stderr]    Compiling libc v0.2.59
[INFO] [stderr]     Checking rand_core v0.4.0
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling regex v1.1.9
[INFO] [stderr]    Compiling sdl2 v0.32.2
[INFO] [stderr]     Checking ucd-util v0.1.3
[INFO] [stderr]     Checking utf8-ranges v1.0.3
[INFO] [stderr]    Compiling sdl2-sys v0.32.6
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking regex-syntax v0.6.8
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking aho-corasick v0.7.4
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking num-complex v0.1.43
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[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking hamcrest2 v0.2.6
[INFO] [stderr]     Checking ray-tracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/shapes.rs:42:26
[INFO] [stdout]    |
[INFO] [stdout] 42 | impl std::fmt::Debug for Shape {
[INFO] [stdout]    |                          ^^^^^ help: use `dyn`: `dyn Shape`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/shapes.rs:68:16
[INFO] [stdout]    |
[INFO] [stdout] 68 | impl PartialEq<Shape> for Shape {
[INFO] [stdout]    |                ^^^^^ help: use `dyn`: `dyn Shape`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/shapes.rs:68:27
[INFO] [stdout]    |
[INFO] [stdout] 68 | impl PartialEq<Shape> for Shape {
[INFO] [stdout]    |                           ^^^^^ help: use `dyn`: `dyn Shape`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/shapes.rs:69:26
[INFO] [stdout]    |
[INFO] [stdout] 69 |     fn eq(&self, shape: &Shape) -> bool {
[INFO] [stdout]    |                          ^^^^^ help: use `dyn`: `dyn Shape`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/shapes.rs:42:26
[INFO] [stdout]    |
[INFO] [stdout] 42 | impl std::fmt::Debug for Shape {
[INFO] [stdout]    |                          ^^^^^ help: use `dyn`: `dyn Shape`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/shapes.rs:68:16
[INFO] [stdout]    |
[INFO] [stdout] 68 | impl PartialEq<Shape> for Shape {
[INFO] [stdout]    |                ^^^^^ help: use `dyn`: `dyn Shape`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/shapes.rs:68:27
[INFO] [stdout]    |
[INFO] [stdout] 68 | impl PartialEq<Shape> for Shape {
[INFO] [stdout]    |                           ^^^^^ help: use `dyn`: `dyn Shape`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/shapes.rs:69:26
[INFO] [stdout]    |
[INFO] [stdout] 69 |     fn eq(&self, shape: &Shape) -> bool {
[INFO] [stdout]    |                          ^^^^^ help: use `dyn`: `dyn Shape`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `transform`
[INFO] [stdout]   --> src/bounds.rs:54:12
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub fn transform(&self, transform: &Matrix) -> Bounds {
[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: `render`
[INFO] [stdout]   --> src/camera.rs:68:12
[INFO] [stdout]    |
[INFO] [stdout] 68 |     pub fn render(self: &Camera, world: World) -> Canvas {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `cone`
[INFO] [stdout]    --> src/cones.rs:123:8
[INFO] [stdout]     |
[INFO] [stdout] 123 | pub fn cone() -> Cone {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `cube`
[INFO] [stdout]    --> src/cubes.rs:100:8
[INFO] [stdout]     |
[INFO] [stdout] 100 | pub fn cube() -> Cube {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `cylinder`
[INFO] [stdout]    --> src/cylinders.rs:111:8
[INFO] [stdout]     |
[INFO] [stdout] 111 | pub fn cylinder() -> Cylinder {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_child`
[INFO] [stdout]   --> src/groups.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn add_child<T: 'static>(&mut self, child: T) -> Arc<SyncShape>
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_child_rc`
[INFO] [stdout]   --> src/groups.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn add_child_rc(&mut self, c: Arc<SyncShape>) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `group`
[INFO] [stdout]    --> src/groups.rs:102:8
[INFO] [stdout]     |
[INFO] [stdout] 102 | pub fn group() -> Group {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_invertible`
[INFO] [stdout]    --> src/matrices.rs:145:8
[INFO] [stdout]     |
[INFO] [stdout] 145 |     fn is_invertible(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `default_group`
[INFO] [stdout]   --> src/obj_file.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn default_group(&self) -> Arc<Group> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `stripe_pattern`
[INFO] [stdout]   --> src/patterns.rs:58:8
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub fn stripe_pattern(a: Color, b: Color) -> Stripe {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `gradient_pattern`
[INFO] [stdout]   --> src/patterns.rs:84:8
[INFO] [stdout]    |
[INFO] [stdout] 84 | pub fn gradient_pattern(a: Color, b: Color) -> Gradient {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `ring_pattern`
[INFO] [stdout]    --> src/patterns.rs:112:8
[INFO] [stdout]     |
[INFO] [stdout] 112 | pub fn ring_pattern(a: Color, b: Color) -> Ring {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `sphere`
[INFO] [stdout]   --> src/spheres.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub fn sphere() -> Sphere {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `glass_sphere`
[INFO] [stdout]   --> src/spheres.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub fn glass_sphere() -> Sphere {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `scaling`
[INFO] [stdout]   --> src/transformations.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn scaling(x: f64, y: f64, z: f64) -> Matrix {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `rotation_y`
[INFO] [stdout]   --> src/transformations.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub fn rotation_y(r: f64) -> Matrix {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `rotation_z`
[INFO] [stdout]   --> src/transformations.rs:44:8
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub fn rotation_z(r: f64) -> Matrix {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `shearing`
[INFO] [stdout]   --> src/transformations.rs:55:8
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub fn shearing(xy: f64, xz: f64, yx: f64, yz: f64, zx: f64, zy: f64) -> Matrix {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_point`
[INFO] [stdout]   --> src/tuples.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn is_point(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_vector`
[INFO] [stdout]   --> src/tuples.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn is_vector(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 25 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.74s
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ff5cf44a575246b41c0a22e34492fa36365389d21b8ca9b48bd134fe884eb7dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff5cf44a575246b41c0a22e34492fa36365389d21b8ca9b48bd134fe884eb7dc", kill_on_drop: false }`
[INFO] [stdout] ff5cf44a575246b41c0a22e34492fa36365389d21b8ca9b48bd134fe884eb7dc