[INFO] cloning repository https://github.com/ma1thew/ray-tracing-in-one-weekend
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ma1thew/ray-tracing-in-one-weekend" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fma1thew%2Fray-tracing-in-one-weekend", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fma1thew%2Fray-tracing-in-one-weekend'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cd761da253a4f855479bd763db8cc4c3bbcbb6b1
[INFO] checking ma1thew/ray-tracing-in-one-weekend against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fma1thew%2Fray-tracing-in-one-weekend" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ma1thew/ray-tracing-in-one-weekend on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ma1thew/ray-tracing-in-one-weekend
[INFO] finished tweaking git repo https://github.com/ma1thew/ray-tracing-in-one-weekend
[INFO] tweaked toml for git repo https://github.com/ma1thew/ray-tracing-in-one-weekend written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/ma1thew/ray-tracing-in-one-weekend already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--no-deps" "--format-version=1", 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] ad08e1ccdad56f212687bace9a3c05c3db15ff4f7931882641ecc8019d5ca3f7
[INFO] running `Command { std: "docker" "start" "-a" "ad08e1ccdad56f212687bace9a3c05c3db15ff4f7931882641ecc8019d5ca3f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad08e1ccdad56f212687bace9a3c05c3db15ff4f7931882641ecc8019d5ca3f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad08e1ccdad56f212687bace9a3c05c3db15ff4f7931882641ecc8019d5ca3f7", kill_on_drop: false }`
[INFO] [stdout] ad08e1ccdad56f212687bace9a3c05c3db15ff4f7931882641ecc8019d5ca3f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d235ca34eec8f335f5a0ab29ccb9bbf0f69d0e3393ba6c3d080638e49cbe9a3c
[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" "d235ca34eec8f335f5a0ab29ccb9bbf0f69d0e3393ba6c3d080638e49cbe9a3c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.92
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking auto_ops v0.3.0
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking ray-tracing-in-one-weekend v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Error`
[INFO] [stdout]  --> src/image.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::{Error, Write};
[INFO] [stdout]   |               ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `io`, `rc::Rc`
[INFO] [stdout]   --> src/main.rs:12:11
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::{io, rc::Rc, sync::{Arc, mpsc::{self, Sender}}, thread};
[INFO] [stdout]    |           ^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `write_color`
[INFO] [stdout]   --> src/main.rs:15:13
[INFO] [stdout]    |
[INFO] [stdout] 15 | use color::{write_color, Color};
[INFO] [stdout]    |             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Error`
[INFO] [stdout]  --> src/image.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::{Error, Write};
[INFO] [stdout]   |               ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `io`, `rc::Rc`
[INFO] [stdout]   --> src/main.rs:12:11
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::{io, rc::Rc, sync::{Arc, mpsc::{self, Sender}}, thread};
[INFO] [stdout]    |           ^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `write_color`
[INFO] [stdout]   --> src/main.rs:15:13
[INFO] [stdout]    |
[INFO] [stdout] 15 | use color::{write_color, Color};
[INFO] [stdout]    |             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `w`
[INFO] [stdout]   --> src/camera.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     w: Vec3,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `write_color`
[INFO] [stdout]  --> src/color.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn write_color(output: &mut impl Write, pixel_color: Color, samples_per_pixel: u32) -> Result<(), Error> {
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `clear`
[INFO] [stdout]   --> src/hittable_list.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn clear(&mut 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:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     w: Vec3,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `write_color`
[INFO] [stdout]  --> src/color.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn write_color(output: &mut impl Write, pixel_color: Color, samples_per_pixel: u32) -> Result<(), Error> {
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `clear`
[INFO] [stdout]   --> src/hittable_list.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn clear(&mut 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 6.75s
[INFO] running `Command { std: "docker" "inspect" "d235ca34eec8f335f5a0ab29ccb9bbf0f69d0e3393ba6c3d080638e49cbe9a3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d235ca34eec8f335f5a0ab29ccb9bbf0f69d0e3393ba6c3d080638e49cbe9a3c", kill_on_drop: false }`
[INFO] [stdout] d235ca34eec8f335f5a0ab29ccb9bbf0f69d0e3393ba6c3d080638e49cbe9a3c