[INFO] cloning repository https://github.com/StevenYeu/ray-tracing-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/StevenYeu/ray-tracing-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FStevenYeu%2Fray-tracing-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FStevenYeu%2Fray-tracing-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d98859f7c15ebdcdfb421774088a789b848edeeb
[INFO] checking StevenYeu/ray-tracing-rust against master#c9228570668803e3e6402770d55f23a12c9ae686 for pr-79472
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FStevenYeu%2Fray-tracing-rust" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/StevenYeu/ray-tracing-rust on toolchain c9228570668803e3e6402770d55f23a12c9ae686
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/StevenYeu/ray-tracing-rust
[INFO] finished tweaking git repo https://github.com/StevenYeu/ray-tracing-rust
[INFO] tweaked toml for git repo https://github.com/StevenYeu/ray-tracing-rust written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/StevenYeu/ray-tracing-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 59c400f2bf72a27ade4cdc2c0a4f08f38f44d817d42f6e050135bece89bbacfa
[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" "59c400f2bf72a27ade4cdc2c0a4f08f38f44d817d42f6e050135bece89bbacfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "59c400f2bf72a27ade4cdc2c0a4f08f38f44d817d42f6e050135bece89bbacfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59c400f2bf72a27ade4cdc2c0a4f08f38f44d817d42f6e050135bece89bbacfa", kill_on_drop: false }`
[INFO] [stdout] 59c400f2bf72a27ade4cdc2c0a4f08f38f44d817d42f6e050135bece89bbacfa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 33a548db3eeaf0d964c7db169d3855e7938a41954412a9bc6a39fbfcee41392c
[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" "33a548db3eeaf0d964c7db169d3855e7938a41954412a9bc6a39fbfcee41392c", kill_on_drop: false }`
[INFO] [stderr]     Checking ray-tracing-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::hittable`
[INFO] [stdout]  --> src/graphics/sphere.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::hittable;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::hittable`
[INFO] [stdout]  --> src/graphics/sphere.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::hittable;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Sphere`
[INFO] [stdout]  --> src/graphics/sphere.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Sphere {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/graphics/sphere.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 |   pub fn new(cen: Point, r: f64) -> Sphere {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Sphere`
[INFO] [stdout]  --> src/graphics/sphere.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Sphere {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/graphics/sphere.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 |   pub fn new(cen: Point, r: f64) -> Sphere {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "33a548db3eeaf0d964c7db169d3855e7938a41954412a9bc6a39fbfcee41392c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33a548db3eeaf0d964c7db169d3855e7938a41954412a9bc6a39fbfcee41392c", kill_on_drop: false }`
[INFO] [stdout] 33a548db3eeaf0d964c7db169d3855e7938a41954412a9bc6a39fbfcee41392c