[INFO] cloning repository https://github.com/Adam-Gleave/tracer-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Adam-Gleave/tracer-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAdam-Gleave%2Ftracer-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAdam-Gleave%2Ftracer-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f05cc9dd359ddde9ea92e4f7966e7cdad4dc2431
[INFO] checking Adam-Gleave/tracer-rs against master#df20355fa9fa5e9fb89be4e4bfee8a643bb7a23e for pr-95474
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAdam-Gleave%2Ftracer-rs" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Adam-Gleave/tracer-rs on toolchain df20355fa9fa5e9fb89be4e4bfee8a643bb7a23e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+df20355fa9fa5e9fb89be4e4bfee8a643bb7a23e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Adam-Gleave/tracer-rs
[INFO] finished tweaking git repo https://github.com/Adam-Gleave/tracer-rs
[INFO] tweaked toml for git repo https://github.com/Adam-Gleave/tracer-rs written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/Adam-Gleave/tracer-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+df20355fa9fa5e9fb89be4e4bfee8a643bb7a23e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded coord v0.11.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+df20355fa9fa5e9fb89be4e4bfee8a643bb7a23e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ed17f28135940ca4f52d3f281e3b11bb732fc4e41b76e4cd244b788d343c88c1
[INFO] running `Command { std: "docker" "start" "-a" "ed17f28135940ca4f52d3f281e3b11bb732fc4e41b76e4cd244b788d343c88c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed17f28135940ca4f52d3f281e3b11bb732fc4e41b76e4cd244b788d343c88c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed17f28135940ca4f52d3f281e3b11bb732fc4e41b76e4cd244b788d343c88c1", kill_on_drop: false }`
[INFO] [stdout] ed17f28135940ca4f52d3f281e3b11bb732fc4e41b76e4cd244b788d343c88c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+df20355fa9fa5e9fb89be4e4bfee8a643bb7a23e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d858ce54ebcc8215309cacc418121a364a884220dddb862aad9a98319a491de8
[INFO] running `Command { std: "docker" "start" "-a" "d858ce54ebcc8215309cacc418121a364a884220dddb862aad9a98319a491de8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling num-traits v0.2.5
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]     Checking libc v0.2.42
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking coord v0.11.0
[INFO] [stderr]     Checking tracer-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/ray.rs:41:28
[INFO] [stdout]    |
[INFO] [stdout] 41 |             let mut temp = ((-b - discriminant.sqrt()) /a );
[INFO] [stdout]    |                            ^                             ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 41 -             let mut temp = ((-b - discriminant.sqrt()) /a );
[INFO] [stdout] 41 +             let mut temp = (-b - discriminant.sqrt()) /a;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/ray.rs:49:20
[INFO] [stdout]    |
[INFO] [stdout] 49 |             temp = ((-b + discriminant.sqrt()) / a);
[INFO] [stdout]    |                    ^                              ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 49 -             temp = ((-b + discriminant.sqrt()) / a);
[INFO] [stdout] 49 +             temp = (-b + discriminant.sqrt()) / a;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ray::Ray`
[INFO] [stdout]  --> src/render.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use ray::Ray;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `extern_prelude` has been stable since 1.30.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(extern_prelude)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/ray.rs:41:28
[INFO] [stdout]    |
[INFO] [stdout] 41 |             let mut temp = ((-b - discriminant.sqrt()) /a );
[INFO] [stdout]    |                            ^                             ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 41 -             let mut temp = ((-b - discriminant.sqrt()) /a );
[INFO] [stdout] 41 +             let mut temp = (-b - discriminant.sqrt()) /a;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/ray.rs:49:20
[INFO] [stdout]    |
[INFO] [stdout] 49 |             temp = ((-b + discriminant.sqrt()) / a);
[INFO] [stdout]    |                    ^                              ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 49 -             temp = ((-b + discriminant.sqrt()) / a);
[INFO] [stdout] 49 +             temp = (-b + discriminant.sqrt()) / a;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ray::Ray`
[INFO] [stdout]  --> src/render.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use ray::Ray;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `extern_prelude` has been stable since 1.30.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(extern_prelude)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]   --> src/render.rs:48:29
[INFO] [stdout]    |
[INFO] [stdout] 48 |                         for s in 0..SAMPLES {
[INFO] [stdout]    |                             ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]   --> src/render.rs:48:29
[INFO] [stdout]    |
[INFO] [stdout] 48 |                         for s in 0..SAMPLES {
[INFO] [stdout]    |                             ^ help: if this is intentional, prefix it with an underscore: `_s`
[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/scene.rs:67:12
[INFO] [stdout]    |
[INFO] [stdout] 67 |     pub fn new() -> Scene {
[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: `add_sphere`
[INFO] [stdout]   --> src/scene.rs:73:12
[INFO] [stdout]    |
[INFO] [stdout] 73 |     pub fn add_sphere(&mut self, in_radius: f32, in_origin: Vec3<f32>) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/render.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn new() -> Renderer {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_from_scene`
[INFO] [stdout]   --> src/render.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn new_from_scene(in_scene: Scene) -> Renderer {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `switch_scene`
[INFO] [stdout]   --> src/render.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn switch_scene(&mut self, in_scene: Scene) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/scene.rs:67:12
[INFO] [stdout]    |
[INFO] [stdout] 67 |     pub fn new() -> Scene {
[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: `add_sphere`
[INFO] [stdout]   --> src/scene.rs:73:12
[INFO] [stdout]    |
[INFO] [stdout] 73 |     pub fn add_sphere(&mut self, in_radius: f32, in_origin: Vec3<f32>) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/render.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn new() -> Renderer {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_from_scene`
[INFO] [stdout]   --> src/render.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn new_from_scene(in_scene: Scene) -> Renderer {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `switch_scene`
[INFO] [stdout]   --> src/render.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn switch_scene(&mut self, in_scene: Scene) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 47.29s
[INFO] running `Command { std: "docker" "inspect" "d858ce54ebcc8215309cacc418121a364a884220dddb862aad9a98319a491de8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d858ce54ebcc8215309cacc418121a364a884220dddb862aad9a98319a491de8", kill_on_drop: false }`
[INFO] [stdout] d858ce54ebcc8215309cacc418121a364a884220dddb862aad9a98319a491de8