[INFO] updating cached repository https://github.com/brent-soles/raytracing-one-weekend
[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] c0087ec356a0cd174c54f46661151f69d35a51a1
[INFO] checking brent-soles/raytracing-one-weekend against master#783139bd8fc3b94fac9a1bf81bba2c506e8221b6 for pr-72644
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrent-soles%2Fraytracing-one-weekend" "/workspace/builds/worker-12/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/brent-soles/raytracing-one-weekend on toolchain 783139bd8fc3b94fac9a1bf81bba2c506e8221b6
[INFO] running `"/workspace/cargo-home/bin/cargo" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/brent-soles/raytracing-one-weekend
[INFO] finished tweaking git repo https://github.com/brent-soles/raytracing-one-weekend
[INFO] tweaked toml for git repo https://github.com/brent-soles/raytracing-one-weekend written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/brent-soles/raytracing-one-weekend already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "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" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] e76bca4c8333ddc9b24b00da9948f087bbbf9bde24d9cf7e2e95a637f88b0ebb
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "e76bca4c8333ddc9b24b00da9948f087bbbf9bde24d9cf7e2e95a637f88b0ebb"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking bytes v0.5.4
[INFO] [stderr]     Checking raytracing-one-weekend v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `vector3::Vector`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use vector3::Vector;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `vector3::color3::ColorRGB`
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use vector3::color3::ColorRGB;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `vector3::Vector`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use vector3::Vector;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `vector3::color3::ColorRGB`
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use vector3::color3::ColorRGB;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `ColorRGB`
[INFO] [stderr]  --> src/vector3/color3.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct ColorRGB {
[INFO] [stderr]   |            ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/vector3/color3.rs:11:12
[INFO] [stderr]    |
[INFO] [stderr] 11 |     pub fn new() -> ColorRGB {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `create`
[INFO] [stderr]   --> src/vector3/color3.rs:15:12
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub fn create(r: u32, g: u32, b: u32) -> ColorRGB {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `write_ppm_row`
[INFO] [stderr]   --> src/vector3/color3.rs:19:12
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub fn write_ppm_row(&self, writer: &mut impl Write) -> Result<usize> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Vector`
[INFO] [stderr]  --> src/vector3/mod.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct Vector {
[INFO] [stderr]   |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/vector3/mod.rs:11:12
[INFO] [stderr]    |
[INFO] [stderr] 11 |     pub fn new() -> Vector {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `create`
[INFO] [stderr]   --> src/vector3/mod.rs:15:12
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub fn create(x: f64, y: f64, z: f64) -> Vector {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `sum`
[INFO] [stderr]   --> src/vector3/mod.rs:19:12
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub fn sum(&self, other: &Vector) -> Vector {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `product`
[INFO] [stderr]   --> src/vector3/mod.rs:27:12
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub fn product(&self, other: &Vector) -> Vector {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `scale`
[INFO] [stderr]   --> src/vector3/mod.rs:35:12
[INFO] [stderr]    |
[INFO] [stderr] 35 |     pub fn scale(&self, factor: f64) -> Vector {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `len_sq`
[INFO] [stderr]   --> src/vector3/mod.rs:43:12
[INFO] [stderr]    |
[INFO] [stderr] 43 |     pub fn len_sq(&self) -> f64 {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `len`
[INFO] [stderr]   --> src/vector3/mod.rs:47:12
[INFO] [stderr]    |
[INFO] [stderr] 47 |     pub fn len(&self) -> f64 {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 14 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `ColorRGB`
[INFO] [stderr]  --> src/vector3/color3.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct ColorRGB {
[INFO] [stderr]   |            ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/vector3/color3.rs:11:12
[INFO] [stderr]    |
[INFO] [stderr] 11 |     pub fn new() -> ColorRGB {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `create`
[INFO] [stderr]   --> src/vector3/color3.rs:15:12
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub fn create(r: u32, g: u32, b: u32) -> ColorRGB {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `write_ppm_row`
[INFO] [stderr]   --> src/vector3/color3.rs:19:12
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub fn write_ppm_row(&self, writer: &mut impl Write) -> Result<usize> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/vector3/mod.rs:11:12
[INFO] [stderr]    |
[INFO] [stderr] 11 |     pub fn new() -> Vector {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `sum`
[INFO] [stderr]   --> src/vector3/mod.rs:19:12
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub fn sum(&self, other: &Vector) -> Vector {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `len_sq`
[INFO] [stderr]   --> src/vector3/mod.rs:43:12
[INFO] [stderr]    |
[INFO] [stderr] 43 |     pub fn len_sq(&self) -> f64 {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `len`
[INFO] [stderr]   --> src/vector3/mod.rs:47:12
[INFO] [stderr]    |
[INFO] [stderr] 47 |     pub fn len(&self) -> f64 {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 10 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.43s
[INFO] running `"docker" "inspect" "e76bca4c8333ddc9b24b00da9948f087bbbf9bde24d9cf7e2e95a637f88b0ebb"`
[INFO] running `"docker" "rm" "-f" "e76bca4c8333ddc9b24b00da9948f087bbbf9bde24d9cf7e2e95a637f88b0ebb"`
[INFO] [stdout] e76bca4c8333ddc9b24b00da9948f087bbbf9bde24d9cf7e2e95a637f88b0ebb