[INFO] updating cached repository https://github.com/JordanBrion/rs-raytracer
[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] 727c2c7442bf4c7d09f11ec5bd67f34cfe57c470
[INFO] checking JordanBrion/rs-raytracer against try#13f916f63bc6575d5ff1f989237dfabe88981368 for pr-69880
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJordanBrion%2Frs-raytracer" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JordanBrion/rs-raytracer on toolchain 13f916f63bc6575d5ff1f989237dfabe88981368
[INFO] running `"/workspace/cargo-home/bin/cargo" "+13f916f63bc6575d5ff1f989237dfabe88981368" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/JordanBrion/rs-raytracer
[INFO] finished tweaking git repo https://github.com/JordanBrion/rs-raytracer
[INFO] tweaked toml for git repo https://github.com/JordanBrion/rs-raytracer written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/JordanBrion/rs-raytracer already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+13f916f63bc6575d5ff1f989237dfabe88981368" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+13f916f63bc6575d5ff1f989237dfabe88981368" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9174bdfcad7458ba1b211612a93cce7e519973dfa74d5ef0a82851a6b4f3d421
[INFO] running `"docker" "start" "-a" "9174bdfcad7458ba1b211612a93cce7e519973dfa74d5ef0a82851a6b4f3d421"`
[INFO] [stderr]     Checking rs-raytracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `ray`
[INFO] [stderr]   --> src/material.rs:67:9
[INFO] [stderr]    |
[INFO] [stderr] 67 |         ray: &Ray,
[INFO] [stderr]    |         ^^^ help: consider prefixing with an underscore: `_ray`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `R`
[INFO] [stderr]   --> src/world.rs:12:42
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub fn new(materials: &'a Materials, R: f32) -> World<'a> {
[INFO] [stderr]    |                                          ^ help: consider prefixing with an underscore: `_R`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_pixel`
[INFO] [stderr]   --> src/ppm.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |     pub fn get_pixel(&self, x: u32, y: u32) -> Option<RGB> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `R` should have a snake case name
[INFO] [stderr]   --> src/world.rs:12:42
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub fn new(materials: &'a Materials, R: f32) -> World<'a> {
[INFO] [stderr]    |                                          ^ help: convert the identifier to snake case: `r`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ray`
[INFO] [stderr]   --> src/material.rs:67:9
[INFO] [stderr]    |
[INFO] [stderr] 67 |         ray: &Ray,
[INFO] [stderr]    |         ^^^ help: consider prefixing with an underscore: `_ray`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `R`
[INFO] [stderr]   --> src/world.rs:12:42
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub fn new(materials: &'a Materials, R: f32) -> World<'a> {
[INFO] [stderr]    |                                          ^ help: consider prefixing with an underscore: `_R`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_pixel`
[INFO] [stderr]   --> src/ppm.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |     pub fn get_pixel(&self, x: u32, y: u32) -> Option<RGB> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `R` should have a snake case name
[INFO] [stderr]   --> src/world.rs:12:42
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub fn new(materials: &'a Materials, R: f32) -> World<'a> {
[INFO] [stderr]    |                                          ^ help: convert the identifier to snake case: `r`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.25s
[INFO] running `"docker" "inspect" "9174bdfcad7458ba1b211612a93cce7e519973dfa74d5ef0a82851a6b4f3d421"`
[INFO] running `"docker" "rm" "-f" "9174bdfcad7458ba1b211612a93cce7e519973dfa74d5ef0a82851a6b4f3d421"`
[INFO] [stdout] 9174bdfcad7458ba1b211612a93cce7e519973dfa74d5ef0a82851a6b4f3d421