[INFO] updating cached repository https://github.com/AndersonReyes/rust_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] 6b99dec2bf7538bc11dd608dc374bdf7571b6538
[INFO] checking AndersonReyes/rust_raytracer against master#ba72b15666b2491415aec703a02c2364fe5e2790 for pr-71140
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndersonReyes%2Frust_raytracer" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AndersonReyes/rust_raytracer on toolchain ba72b15666b2491415aec703a02c2364fe5e2790
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/AndersonReyes/rust_raytracer
[INFO] finished tweaking git repo https://github.com/AndersonReyes/rust_raytracer
[INFO] tweaked toml for git repo https://github.com/AndersonReyes/rust_raytracer written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/AndersonReyes/rust_raytracer already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+ba72b15666b2491415aec703a02c2364fe5e2790" "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] 21023bba56e11e9feeab0e6e7b58ffacb95ad1e6da4679a23734b031339a4e98
[INFO] running `"docker" "start" "-a" "21023bba56e11e9feeab0e6e7b58ffacb95ad1e6da4679a23734b031339a4e98"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking rust-raytracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std`
[INFO] [stderr]  --> src/math/vector3.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std;
[INFO] [stderr]   |     ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Vector3`
[INFO] [stderr]  --> src/math/vector3.rs:3:12
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub struct Vector3 {
[INFO] [stderr]   |            ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `normalize`
[INFO] [stderr]   --> src/math/vector3.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub fn normalize(&self) -> Vector3 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `length`
[INFO] [stderr]   --> src/math/vector3.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     pub fn length(&self) -> f32 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `length_squared`
[INFO] [stderr]   --> src/math/vector3.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub fn length_squared(&self) -> f32 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `dot`
[INFO] [stderr]   --> src/math/vector3.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     pub fn dot(&self, other: Vector3) -> f32 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `add`
[INFO] [stderr]   --> src/math/vector3.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     fn add(self, other: Vector3) -> Vector3 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `sub`
[INFO] [stderr]   --> src/math/vector3.rs:43:5
[INFO] [stderr]    |
[INFO] [stderr] 43 |     fn sub(self, other: Vector3) -> Vector3 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `neg`
[INFO] [stderr]   --> src/math/vector3.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 51 |     fn neg(self) -> Vector3 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `mul`
[INFO] [stderr]   --> src/math/vector3.rs:59:5
[INFO] [stderr]    |
[INFO] [stderr] 59 |     fn mul(self, other: Vector3) -> Vector3 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `div`
[INFO] [stderr]   --> src/math/vector3.rs:67:5
[INFO] [stderr]    |
[INFO] [stderr] 67 |     fn div(self, other: Vector3) -> Vector3 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 11 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `"docker" "inspect" "21023bba56e11e9feeab0e6e7b58ffacb95ad1e6da4679a23734b031339a4e98"`
[INFO] running `"docker" "rm" "-f" "21023bba56e11e9feeab0e6e7b58ffacb95ad1e6da4679a23734b031339a4e98"`
[INFO] [stdout] 21023bba56e11e9feeab0e6e7b58ffacb95ad1e6da4679a23734b031339a4e98