[INFO] cloning repository https://github.com/tristan-jl/ray-tracer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tristan-jl/ray-tracer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftristan-jl%2Fray-tracer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftristan-jl%2Fray-tracer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d2b08448b0ffdcee2ead00c0acd4c3a05a9659b7
[INFO] checking tristan-jl/ray-tracer against master#2ad5292aea6328113b55968b4322528d48261316 for pr-80243
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftristan-jl%2Fray-tracer" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tristan-jl/ray-tracer on toolchain 2ad5292aea6328113b55968b4322528d48261316
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2ad5292aea6328113b55968b4322528d48261316" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tristan-jl/ray-tracer
[INFO] finished tweaking git repo https://github.com/tristan-jl/ray-tracer
[INFO] tweaked toml for git repo https://github.com/tristan-jl/ray-tracer written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/tristan-jl/ray-tracer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2ad5292aea6328113b55968b4322528d48261316" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+2ad5292aea6328113b55968b4322528d48261316" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6fe84b2d3ec9e7828ad05cc21f09470e3586383236d14e4e55a2d3a0eeb744f4
[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" "6fe84b2d3ec9e7828ad05cc21f09470e3586383236d14e4e55a2d3a0eeb744f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6fe84b2d3ec9e7828ad05cc21f09470e3586383236d14e4e55a2d3a0eeb744f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fe84b2d3ec9e7828ad05cc21f09470e3586383236d14e4e55a2d3a0eeb744f4", kill_on_drop: false }`
[INFO] [stdout] 6fe84b2d3ec9e7828ad05cc21f09470e3586383236d14e4e55a2d3a0eeb744f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+2ad5292aea6328113b55968b4322528d48261316" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 99287d4ccc688812a28a561e5d76f4791960e91c56984dada93d8e7f7c6323d3
[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" "99287d4ccc688812a28a561e5d76f4791960e91c56984dada93d8e7f7c6323d3", kill_on_drop: false }`
[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 ray-tracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `JoinHandle`, `self`
[INFO] [stdout]   --> src/main.rs:18:19
[INFO] [stdout]    |
[INFO] [stdout] 18 | use std::thread::{self, JoinHandle};
[INFO] [stdout]    |                   ^^^^  ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `JoinHandle`, `self`
[INFO] [stdout]   --> src/main.rs:18:19
[INFO] [stdout]    |
[INFO] [stdout] 18 | use std::thread::{self, JoinHandle};
[INFO] [stdout]    |                   ^^^^  ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `w`
[INFO] [stdout]   --> src/camera.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     w: Vec3,
[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: `from`
[INFO] [stdout]   --> src/image.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn from(r: i32, g: i32, b: i32) -> Pixel {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_tuple`
[INFO] [stdout]   --> src/image.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn to_tuple(&self) -> (i32, i32, i32) {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `clear`
[INFO] [stdout]   --> src/objects/hittable_list.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn clear(&mut self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `random_in_hemisphere`
[INFO] [stdout]   --> src/vec3.rs:58:12
[INFO] [stdout]    |
[INFO] [stdout] 58 |     pub fn random_in_hemisphere(normal: Self) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `w`
[INFO] [stdout]   --> src/camera.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     w: Vec3,
[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: `from`
[INFO] [stdout]   --> src/image.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn from(r: i32, g: i32, b: i32) -> Pixel {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_tuple`
[INFO] [stdout]   --> src/image.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn to_tuple(&self) -> (i32, i32, i32) {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `clear`
[INFO] [stdout]   --> src/objects/hittable_list.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn clear(&mut self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `random_in_hemisphere`
[INFO] [stdout]   --> src/vec3.rs:58:12
[INFO] [stdout]    |
[INFO] [stdout] 58 |     pub fn random_in_hemisphere(normal: Self) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.99s
[INFO] running `Command { std: "docker" "inspect" "99287d4ccc688812a28a561e5d76f4791960e91c56984dada93d8e7f7c6323d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99287d4ccc688812a28a561e5d76f4791960e91c56984dada93d8e7f7c6323d3", kill_on_drop: false }`
[INFO] [stdout] 99287d4ccc688812a28a561e5d76f4791960e91c56984dada93d8e7f7c6323d3