[INFO] cloning repository https://github.com/isido/ray-tracer-challenge
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/isido/ray-tracer-challenge" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fisido%2Fray-tracer-challenge", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fisido%2Fray-tracer-challenge'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d4b4763eea3c4371ed60139338bf1a4a9dd9e114
[INFO] checking isido/ray-tracer-challenge against try#0611f7de057c584b8771102fde7aed6c70c71d3b for pr-146440
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fisido%2Fray-tracer-challenge" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/isido/ray-tracer-challenge
[INFO] finished tweaking git repo https://github.com/isido/ray-tracer-challenge
[INFO] tweaked toml for git repo https://github.com/isido/ray-tracer-challenge written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/isido/ray-tracer-challenge on toolchain 0611f7de057c584b8771102fde7aed6c70c71d3b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/isido/ray-tracer-challenge already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8775e3dd2e4ddff24760033b5699a3e105418f30ba6fc0046cbda480a5ce0234
[INFO] running `Command { std: "docker" "start" "-a" "8775e3dd2e4ddff24760033b5699a3e105418f30ba6fc0046cbda480a5ce0234", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8775e3dd2e4ddff24760033b5699a3e105418f30ba6fc0046cbda480a5ce0234", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8775e3dd2e4ddff24760033b5699a3e105418f30ba6fc0046cbda480a5ce0234", kill_on_drop: false }`
[INFO] [stdout] 8775e3dd2e4ddff24760033b5699a3e105418f30ba6fc0046cbda480a5ce0234
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 697283472ee7fda5fa490d721e84d47e5bddecdac16ae576c1bb03288196f826
[INFO] running `Command { std: "docker" "start" "-a" "697283472ee7fda5fa490d721e84d47e5bddecdac16ae576c1bb03288196f826", kill_on_drop: false }`
[INFO] [stderr]     Checking ray-tracer-challenge v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/camera.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `Camera` is never constructed
[INFO] [stdout]  --> src/camera.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Camera {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]   = note: `#[deny(unused_unconstructable_pub_struct)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `hsize`, `vsize`, `pixel_size`, `field_of_view`, and `transform` are never read
[INFO] [stdout]  --> src/camera.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Camera {
[INFO] [stdout]   |            ------ fields in this struct
[INFO] [stdout] 5 |     hsize: usize,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 6 |     vsize: usize,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 7 |     pixel_size: f64,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 8 |     field_of_view: f64,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 9 |     transform: Matrix,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Camera` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/intersection.rs:27:33
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn prepare_computations(&self, r: &Ray) -> Computations {
[INFO] [stdout]    |                                 ^^^^^              ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                                 |
[INFO] [stdout]    |                                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn prepare_computations(&self, r: &Ray) -> Computations<'_> {
[INFO] [stdout]    |                                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/sphere.rs:21:22
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn intersect(&self, orig_ray: &Ray) -> Vec<Intersection> {
[INFO] [stdout]    |                      ^^^^^                         ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn intersect(&self, orig_ray: &Ray) -> Vec<Intersection<'_>> {
[INFO] [stdout]    |                                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/world.rs:49:22
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn intersect(&self, ray: &Ray) -> Vec<Intersection> {
[INFO] [stdout]    |                      ^^^^^                    ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn intersect(&self, ray: &Ray) -> Vec<Intersection<'_>> {
[INFO] [stdout]    |                                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ray-tracer-challenge` (lib) due to 1 previous error; 4 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/world.rs:183:13
[INFO] [stdout]     |
[INFO] [stdout] 183 |         let mut outer = &mut w.objects[0];
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/world.rs:185:13
[INFO] [stdout]     |
[INFO] [stdout] 185 |         let mut inner = &mut w.objects[1];
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `Camera` is never constructed
[INFO] [stdout]  --> src/camera.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Camera {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]   = note: `#[deny(unused_unconstructable_pub_struct)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `hsize`, `vsize`, `pixel_size`, `field_of_view`, and `transform` are never read
[INFO] [stdout]  --> src/camera.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Camera {
[INFO] [stdout]   |            ------ fields in this struct
[INFO] [stdout] 5 |     hsize: usize,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 6 |     vsize: usize,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 7 |     pixel_size: f64,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 8 |     field_of_view: f64,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 9 |     transform: Matrix,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Camera` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/intersection.rs:27:33
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn prepare_computations(&self, r: &Ray) -> Computations {
[INFO] [stdout]    |                                 ^^^^^              ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                                 |
[INFO] [stdout]    |                                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn prepare_computations(&self, r: &Ray) -> Computations<'_> {
[INFO] [stdout]    |                                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/sphere.rs:21:22
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn intersect(&self, orig_ray: &Ray) -> Vec<Intersection> {
[INFO] [stdout]    |                      ^^^^^                         ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn intersect(&self, orig_ray: &Ray) -> Vec<Intersection<'_>> {
[INFO] [stdout]    |                                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/world.rs:49:22
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn intersect(&self, ray: &Ray) -> Vec<Intersection> {
[INFO] [stdout]    |                      ^^^^^                    ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn intersect(&self, ray: &Ray) -> Vec<Intersection<'_>> {
[INFO] [stdout]    |                                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ray-tracer-challenge` (lib test) due to 1 previous error; 7 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "697283472ee7fda5fa490d721e84d47e5bddecdac16ae576c1bb03288196f826", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "697283472ee7fda5fa490d721e84d47e5bddecdac16ae576c1bb03288196f826", kill_on_drop: false }`
[INFO] [stdout] 697283472ee7fda5fa490d721e84d47e5bddecdac16ae576c1bb03288196f826
