[INFO] cloning repository https://github.com/wesnel/raytracing
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wesnel/raytracing" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwesnel%2Fraytracing", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwesnel%2Fraytracing'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 471c01e94c1efb1a8b86866938892e50eedac117
[INFO] checking wesnel/raytracing against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwesnel%2Fraytracing" "/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/wesnel/raytracing 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/wesnel/raytracing
[INFO] finished tweaking git repo https://github.com/wesnel/raytracing
[INFO] tweaked toml for git repo https://github.com/wesnel/raytracing written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/wesnel/raytracing 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]     Blocking waiting for file lock on package cache
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a785f1c0578bff03a9b0e184ec08f785e08595ee858a6abcf71516e958ecaaf1
[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" "a785f1c0578bff03a9b0e184ec08f785e08595ee858a6abcf71516e958ecaaf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a785f1c0578bff03a9b0e184ec08f785e08595ee858a6abcf71516e958ecaaf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a785f1c0578bff03a9b0e184ec08f785e08595ee858a6abcf71516e958ecaaf1", kill_on_drop: false }`
[INFO] [stdout] a785f1c0578bff03a9b0e184ec08f785e08595ee858a6abcf71516e958ecaaf1
[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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b3aa2011fb24bf491f81263dd47b0342deb1ef106de498a689e533b20c678d71
[INFO] running `Command { std: "docker" "start" "-a" "b3aa2011fb24bf491f81263dd47b0342deb1ef106de498a689e533b20c678d71", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking raytracing v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Material`, `Matrix`
[INFO] [stdout]  --> src/math/geometry/sphere.rs:2:38
[INFO] [stdout]   |
[INFO] [stdout] 2 |     math::{Form, Geometry, Hittable, Matrix, Point, Vector},
[INFO] [stdout]   |                                      ^^^^^^
[INFO] [stdout] 3 |     world::{Intersection, Intersections, Material, Ray},
[INFO] [stdout]   |                                          ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Material`, `intersection::Computations`
[INFO] [stdout]  --> src/world/light/point.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 |     world::{intersection::Computations, Color, Material, Ray, World},
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `point`
[INFO] [stdout]   --> src/world/pattern/solid.rs:18:24
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn color_at(&self, point: Point) -> Color {
[INFO] [stdout]    |                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_point`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Material`, `Matrix`
[INFO] [stdout]  --> src/math/geometry/sphere.rs:2:38
[INFO] [stdout]   |
[INFO] [stdout] 2 |     math::{Form, Geometry, Hittable, Matrix, Point, Vector},
[INFO] [stdout]   |                                      ^^^^^^
[INFO] [stdout] 3 |     world::{Intersection, Intersections, Material, Ray},
[INFO] [stdout]   |                                          ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Material`, `intersection::Computations`
[INFO] [stdout]  --> src/world/light/point.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 |     world::{intersection::Computations, Color, Material, Ray, World},
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `point`
[INFO] [stdout]   --> src/world/pattern/solid.rs:18:24
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn color_at(&self, point: Point) -> Color {
[INFO] [stdout]    |                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_point`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `point`
[INFO] [stdout]   --> src/world/pattern/solid.rs:18:24
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn color_at(&self, point: Point) -> Color {
[INFO] [stdout]    |                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_point`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/math/geometry.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn new(form: Form, transform: Matrix, inverse: Matrix, material: Material) -> Geometry {
[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: `change_form`
[INFO] [stdout]   --> src/math/geometry.rs:61:12
[INFO] [stdout]    |
[INFO] [stdout] 61 |     pub fn change_form(&mut self, form: Form) -> &mut Geometry {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `with_material`
[INFO] [stdout]   --> src/math/geometry.rs:66:12
[INFO] [stdout]    |
[INFO] [stdout] 66 |     pub fn with_material(self, material: Material) -> Geometry {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `change_material`
[INFO] [stdout]   --> src/math/geometry.rs:75:12
[INFO] [stdout]    |
[INFO] [stdout] 75 |     pub fn change_material(&mut self, material: Material) -> &mut Geometry {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `rotation_x`
[INFO] [stdout]   --> src/math/matrix.rs:81:12
[INFO] [stdout]    |
[INFO] [stdout] 81 |     pub fn rotation_x(radians: f64) -> Matrix {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `rotate_x`
[INFO] [stdout]   --> src/math/matrix.rs:92:12
[INFO] [stdout]    |
[INFO] [stdout] 92 |     pub fn rotate_x(&mut self, radians: f64) -> &mut Matrix {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `rotate_y`
[INFO] [stdout]    --> src/math/matrix.rs:108:12
[INFO] [stdout]     |
[INFO] [stdout] 108 |     pub fn rotate_y(&mut self, radians: f64) -> &mut Matrix {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `rotate_z`
[INFO] [stdout]    --> src/math/matrix.rs:124:12
[INFO] [stdout]     |
[INFO] [stdout] 124 |     pub fn rotate_z(&mut self, radians: f64) -> &mut Matrix {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `invert`
[INFO] [stdout]    --> src/math/matrix.rs:161:12
[INFO] [stdout]     |
[INFO] [stdout] 161 |     pub fn invert(&mut self) -> &mut Matrix {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `transpose`
[INFO] [stdout]    --> src/math/matrix.rs:177:12
[INFO] [stdout]     |
[INFO] [stdout] 177 |     pub fn transpose(&mut self) -> &mut Matrix {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `determinant`
[INFO] [stdout]    --> src/math/matrix.rs:184:12
[INFO] [stdout]     |
[INFO] [stdout] 184 |     pub fn determinant(&self) -> f64 {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_invertible`
[INFO] [stdout]    --> src/math/matrix.rs:191:12
[INFO] [stdout]     |
[INFO] [stdout] 191 |     pub fn is_invertible(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `zero`
[INFO] [stdout]   --> src/math/vector.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn zero() -> Vector {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `ones`
[INFO] [stdout]   --> src/math/vector.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn ones() -> Vector {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `normalize`
[INFO] [stdout]   --> src/math/vector.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn normalize(&mut self) -> &mut Vector {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `transform`
[INFO] [stdout]   --> src/world/camera.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn transform(&mut self, from: Point, to: Point, up: Vector) -> &mut View {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `black`
[INFO] [stdout]   --> src/world/color.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn black() -> Color {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `white`
[INFO] [stdout]   --> src/world/color.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn white() -> Color {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pop`
[INFO] [stdout]    --> src/world/intersection.rs:130:12
[INFO] [stdout]     |
[INFO] [stdout] 130 |     pub fn pop(&mut self) -> Option<Intersection> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `casts_shade`
[INFO] [stdout]   --> src/world/light.rs:66:12
[INFO] [stdout]    |
[INFO] [stdout] 66 |     pub fn casts_shade(&self, world: &World, point: math::Point) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `with_texture`
[INFO] [stdout]   --> src/world/material.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn with_texture(&self, texture: Texture) -> Material {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/world/pattern/ring.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn new(a: Color, b: Color) -> Ring {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `transform`
[INFO] [stdout]   --> src/world/ray.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn transform(mut self, matrix: Matrix) -> Ray {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 26 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `point`
[INFO] [stdout]   --> src/world/pattern/solid.rs:18:24
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn color_at(&self, point: Point) -> Color {
[INFO] [stdout]    |                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_point`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/math/geometry.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn new(form: Form, transform: Matrix, inverse: Matrix, material: Material) -> Geometry {
[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: `change_form`
[INFO] [stdout]   --> src/math/geometry.rs:61:12
[INFO] [stdout]    |
[INFO] [stdout] 61 |     pub fn change_form(&mut self, form: Form) -> &mut Geometry {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `change_material`
[INFO] [stdout]   --> src/math/geometry.rs:75:12
[INFO] [stdout]    |
[INFO] [stdout] 75 |     pub fn change_material(&mut self, material: Material) -> &mut Geometry {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `invert`
[INFO] [stdout]    --> src/math/matrix.rs:161:12
[INFO] [stdout]     |
[INFO] [stdout] 161 |     pub fn invert(&mut self) -> &mut Matrix {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `transpose`
[INFO] [stdout]    --> src/math/matrix.rs:177:12
[INFO] [stdout]     |
[INFO] [stdout] 177 |     pub fn transpose(&mut self) -> &mut Matrix {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `normalize`
[INFO] [stdout]   --> src/math/vector.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn normalize(&mut self) -> &mut Vector {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `transform`
[INFO] [stdout]   --> src/world/camera.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn transform(&mut self, from: Point, to: Point, up: Vector) -> &mut View {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `transform`
[INFO] [stdout]   --> src/world/ray.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn transform(mut self, matrix: Matrix) -> Ray {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.04s
[INFO] running `Command { std: "docker" "inspect" "b3aa2011fb24bf491f81263dd47b0342deb1ef106de498a689e533b20c678d71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3aa2011fb24bf491f81263dd47b0342deb1ef106de498a689e533b20c678d71", kill_on_drop: false }`
[INFO] [stdout] b3aa2011fb24bf491f81263dd47b0342deb1ef106de498a689e533b20c678d71