[INFO] updating cached repository https://github.com/qTipTip/rust_pbrt
[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] 60b0cbee068b906cef7653d73ffbf634ef042779
[INFO] checking qTipTip/rust_pbrt against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FqTipTip%2Frust_pbrt" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/qTipTip/rust_pbrt on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/qTipTip/rust_pbrt
[INFO] finished tweaking git repo https://github.com/qTipTip/rust_pbrt
[INFO] tweaked toml for git repo https://github.com/qTipTip/rust_pbrt written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/qTipTip/rust_pbrt already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "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" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 14f66a2238636021aa4da54fefad0607c728bddf2a76a9d98e8801b80d81ca92
[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" "14f66a2238636021aa4da54fefad0607c728bddf2a76a9d98e8801b80d81ca92"`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]     Checking rust_pbrt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused imports: `Vector2`, `vec2_dot`
[INFO] [stderr]    --> src/core/geometry.rs:493:33
[INFO] [stderr]     |
[INFO] [stderr] 493 |     use crate::core::geometry::{vec2_dot, vec3_dot, Vector2, Vector3, vec3_absdot};
[INFO] [stderr]     |                                 ^^^^^^^^            ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `pt`
[INFO] [stderr]  --> src/main.rs:8:9
[INFO] [stderr]   |
[INFO] [stderr] 8 |     let pt = Vector2 { x: 2.0f32, y: 3.2f32 };
[INFO] [stderr]   |         ^^ help: if this is intentional, prefix it with an underscore: `_pt`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Vector2i`
[INFO] [stderr]  --> src/core/geometry.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub type Vector2i = Vector2<i32>;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Vector2f`
[INFO] [stderr]  --> src/core/geometry.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub type Vector2f = Vector2<f32>;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Vector3i`
[INFO] [stderr]  --> src/core/geometry.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub type Vector3i = Vector3<i32>;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Vector3f`
[INFO] [stderr]  --> src/core/geometry.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub type Vector3f = Vector3<f32>;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/core/geometry.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn new(x: T, y: T) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `length_squared`
[INFO] [stderr]   --> src/core/geometry.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     pub fn length_squared(self) -> T where T: ops::Mul<T, Output=T> + ops::Add<T, Output=T> + Copy {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `length`
[INFO] [stderr]   --> src/core/geometry.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     pub fn length(self) -> T where T: num_traits::Float {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `has_nans`
[INFO] [stderr]   --> src/core/geometry.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     pub fn has_nans(self) -> bool where T: num_traits::Float {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `abs`
[INFO] [stderr]   --> src/core/geometry.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     pub fn abs(self) -> Vector2<T> where T: num_traits::sign::Signed {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `dot`
[INFO] [stderr]   --> src/core/geometry.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr] 45 |     pub fn dot(self, rhs: Vector2<T>) -> T where T: ops::Mul<Output=T> + ops::Add<Output=T> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `normalize`
[INFO] [stderr]   --> src/core/geometry.rs:49:5
[INFO] [stderr]    |
[INFO] [stderr] 49 |     pub fn normalize(self) -> Vector2<T> where T: num_traits::Float {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `min_component`
[INFO] [stderr]   --> src/core/geometry.rs:53:5
[INFO] [stderr]    |
[INFO] [stderr] 53 |     pub fn min_component(self) -> T where T: num_traits::Float {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `max_component`
[INFO] [stderr]   --> src/core/geometry.rs:57:5
[INFO] [stderr]    |
[INFO] [stderr] 57 |     pub fn max_component(self) -> T where T: num_traits::Float {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `vec2_dot`
[INFO] [stderr]    --> src/core/geometry.rs:138:8
[INFO] [stderr]     |
[INFO] [stderr] 138 | pub fn vec2_dot<T>(a: Vector2<T>, b: Vector2<T>) -> T where T: ops::Mul<Output=T> + ops::Add<Output=T> {
[INFO] [stderr]     |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/core/geometry.rs:325:5
[INFO] [stderr]     |
[INFO] [stderr] 325 |     pub fn new(x: T, y: T, z: T) -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `length_squared`
[INFO] [stderr]    --> src/core/geometry.rs:334:5
[INFO] [stderr]     |
[INFO] [stderr] 334 |     pub fn length_squared(self) -> T where T: ops::Mul<T, Output=T> + ops::Add<T, Output=T> + Copy {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `length`
[INFO] [stderr]    --> src/core/geometry.rs:338:5
[INFO] [stderr]     |
[INFO] [stderr] 338 |     pub fn length(self) -> T where T: num_traits::Float {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `has_nans`
[INFO] [stderr]    --> src/core/geometry.rs:342:5
[INFO] [stderr]     |
[INFO] [stderr] 342 |     pub fn has_nans(self) -> bool where T: num_traits::Float {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `abs`
[INFO] [stderr]    --> src/core/geometry.rs:346:5
[INFO] [stderr]     |
[INFO] [stderr] 346 |     pub fn abs(self) -> Vector3<T> where T: num_traits::sign::Signed {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `dot`
[INFO] [stderr]    --> src/core/geometry.rs:350:5
[INFO] [stderr]     |
[INFO] [stderr] 350 |     pub fn dot(self, rhs: Vector3<T>) -> T where T: ops::Mul<Output=T> + ops::Add<Output=T> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `normalize`
[INFO] [stderr]    --> src/core/geometry.rs:354:5
[INFO] [stderr]     |
[INFO] [stderr] 354 |     pub fn normalize(self) -> Vector3<T> where T: num_traits::Float {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `min_component`
[INFO] [stderr]    --> src/core/geometry.rs:358:5
[INFO] [stderr]     |
[INFO] [stderr] 358 |     pub fn min_component(self) -> T where T: num_traits::Float {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `max_component`
[INFO] [stderr]    --> src/core/geometry.rs:362:5
[INFO] [stderr]     |
[INFO] [stderr] 362 |     pub fn max_component(self) -> T where T: num_traits::Float {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `min_dimension`
[INFO] [stderr]    --> src/core/geometry.rs:366:5
[INFO] [stderr]     |
[INFO] [stderr] 366 |     pub fn min_dimension(self) -> u32 where T: PartialOrd {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `max_dimension`
[INFO] [stderr]    --> src/core/geometry.rs:380:5
[INFO] [stderr]     |
[INFO] [stderr] 380 |     pub fn max_dimension(self) -> u32 where T: PartialOrd {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `permute`
[INFO] [stderr]    --> src/core/geometry.rs:394:5
[INFO] [stderr]     |
[INFO] [stderr] 394 |     pub fn permute(self, i: u32, j: u32, k: u32) -> Vector3<T> where T: Copy {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `vec3_dot`
[INFO] [stderr]    --> src/core/geometry.rs:479:8
[INFO] [stderr]     |
[INFO] [stderr] 479 | pub fn vec3_dot<T>(a: Vector3<T>, b: Vector3<T>) -> T where T: ops::Mul<Output=T> + ops::Add<Output=T> {
[INFO] [stderr]     |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `vec3_absdot`
[INFO] [stderr]    --> src/core/geometry.rs:483:8
[INFO] [stderr]     |
[INFO] [stderr] 483 | pub fn vec3_absdot<T>(v1: Vector3<T>, b: Vector3<T>) -> T where T: ops::Mul<Output=T> + ops::Add<Output=T> + Signed {
[INFO] [stderr]     |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 29 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `pt`
[INFO] [stderr]  --> src/main.rs:8:9
[INFO] [stderr]   |
[INFO] [stderr] 8 |     let pt = Vector2 { x: 2.0f32, y: 3.2f32 };
[INFO] [stderr]   |         ^^ help: if this is intentional, prefix it with an underscore: `_pt`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Vector2i`
[INFO] [stderr]  --> src/core/geometry.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub type Vector2i = Vector2<i32>;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Vector2f`
[INFO] [stderr]  --> src/core/geometry.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub type Vector2f = Vector2<f32>;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Vector3i`
[INFO] [stderr]  --> src/core/geometry.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub type Vector3i = Vector3<i32>;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Vector3f`
[INFO] [stderr]  --> src/core/geometry.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub type Vector3f = Vector3<f32>;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.00s
[INFO] running `"docker" "inspect" "14f66a2238636021aa4da54fefad0607c728bddf2a76a9d98e8801b80d81ca92"`
[INFO] running `"docker" "rm" "-f" "14f66a2238636021aa4da54fefad0607c728bddf2a76a9d98e8801b80d81ca92"`
[INFO] [stdout] 14f66a2238636021aa4da54fefad0607c728bddf2a76a9d98e8801b80d81ca92