[INFO] cloning repository https://github.com/OverlappingElvis/raytracer-challenge
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/OverlappingElvis/raytracer-challenge" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOverlappingElvis%2Fraytracer-challenge", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOverlappingElvis%2Fraytracer-challenge'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b561d0ef43a5c95b7a2541c6c24244097fb6d061
[INFO] checking OverlappingElvis/raytracer-challenge against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOverlappingElvis%2Fraytracer-challenge" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/OverlappingElvis/raytracer-challenge
[INFO] finished tweaking git repo https://github.com/OverlappingElvis/raytracer-challenge
[INFO] tweaked toml for git repo https://github.com/OverlappingElvis/raytracer-challenge written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/OverlappingElvis/raytracer-challenge on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/OverlappingElvis/raytracer-challenge already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded array2d v0.2.1
[INFO] [stderr]   Downloaded crossbeam-epoch v0.9.4
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.4
[INFO] [stderr]   Downloaded libc v0.2.94
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a701ae394a62673f862ce067c7bad30f0c1b1b2c3f0ea45a96ee863fa028939e
[INFO] running `Command { std: "docker" "start" "-a" "a701ae394a62673f862ce067c7bad30f0c1b1b2c3f0ea45a96ee863fa028939e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a701ae394a62673f862ce067c7bad30f0c1b1b2c3f0ea45a96ee863fa028939e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a701ae394a62673f862ce067c7bad30f0c1b1b2c3f0ea45a96ee863fa028939e", kill_on_drop: false }`
[INFO] [stdout] a701ae394a62673f862ce067c7bad30f0c1b1b2c3f0ea45a96ee863fa028939e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fd935a24e096cb1bd60bbcad3b42d89b7ccd62488a0217df011dcbab8b29d5ee
[INFO] running `Command { std: "docker" "start" "-a" "fd935a24e096cb1bd60bbcad3b42d89b7ccd62488a0217df011dcbab8b29d5ee", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.4
[INFO] [stderr]    Compiling memoffset v0.6.3
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking gif v0.11.2
[INFO] [stderr]     Checking bytemuck v1.5.1
[INFO] [stderr]     Checking utility v0.1.0 (/opt/rustwide/workdir/utility)
[INFO] [stderr]     Checking array2d v0.2.1
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]     Checking crossbeam-epoch v0.9.4
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking rayon-core v1.9.1
[INFO] [stderr]     Checking rayon v1.5.1
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking tiff v0.6.1
[INFO] [stderr]     Checking image v0.23.14
[INFO] [stderr]     Checking raytrace v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `dot` is never used
[INFO] [stdout]    --> src/tuple.rs:168:10
[INFO] [stdout]     |
[INFO] [stdout] 168 |   pub fn dot (a: Tuple, b: Tuple) -> f32 {
[INFO] [stdout]     |          ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cross` is never used
[INFO] [stdout]    --> src/tuple.rs:172:10
[INFO] [stdout]     |
[INFO] [stdout] 172 |   pub fn cross (a: Vector, b: Vector) -> Vector {
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Matrix` is never constructed
[INFO] [stdout]  --> src/matrix.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Matrix {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `matrix` is never used
[INFO] [stdout]   --> src/matrix.rs:64:10
[INFO] [stdout]    |
[INFO] [stdout] 64 |   pub fn matrix (rows: Vec<Vec<f32>>) -> Matrix {
[INFO] [stdout]    |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `identity` is never used
[INFO] [stdout]   --> src/matrix.rs:70:10
[INFO] [stdout]    |
[INFO] [stdout] 70 |   pub fn identity () -> Matrix {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `transpose` is never used
[INFO] [stdout]   --> src/matrix.rs:85:10
[INFO] [stdout]    |
[INFO] [stdout] 85 |   pub fn transpose (matrix: Matrix) -> Matrix {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `determinant` is never used
[INFO] [stdout]   --> src/matrix.rs:91:10
[INFO] [stdout]    |
[INFO] [stdout] 91 |   pub fn determinant (array: Array2D<f32>) -> f32 {
[INFO] [stdout]    |          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `submatrix` is never used
[INFO] [stdout]    --> src/matrix.rs:100:10
[INFO] [stdout]     |
[INFO] [stdout] 100 |   pub fn submatrix (array: Array2D<f32>, remove_row: usize, remove_column: usize) -> Array2D<f32> {
[INFO] [stdout]     |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.88s
[INFO] running `Command { std: "docker" "inspect" "fd935a24e096cb1bd60bbcad3b42d89b7ccd62488a0217df011dcbab8b29d5ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd935a24e096cb1bd60bbcad3b42d89b7ccd62488a0217df011dcbab8b29d5ee", kill_on_drop: false }`
[INFO] [stdout] fd935a24e096cb1bd60bbcad3b42d89b7ccd62488a0217df011dcbab8b29d5ee
