[INFO] cloning repository https://github.com/dhelper/RustRayTracing
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dhelper/RustRayTracing" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdhelper%2FRustRayTracing", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdhelper%2FRustRayTracing'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1f1cac54d8e316b9fba58d3e20c75f722a85af79
[INFO] checking dhelper/RustRayTracing against master#6526e5c772f2da07db745c94ca6bb0a591a39ba4 for pr-80920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdhelper%2FRustRayTracing" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dhelper/RustRayTracing on toolchain 6526e5c772f2da07db745c94ca6bb0a591a39ba4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dhelper/RustRayTracing
[INFO] finished tweaking git repo https://github.com/dhelper/RustRayTracing
[INFO] tweaked toml for git repo https://github.com/dhelper/RustRayTracing written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/dhelper/RustRayTracing already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 36384c6d580a48ecf45de96055e39e05ec905f45d76d29180291991a35e25ee2
[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" "36384c6d580a48ecf45de96055e39e05ec905f45d76d29180291991a35e25ee2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "36384c6d580a48ecf45de96055e39e05ec905f45d76d29180291991a35e25ee2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36384c6d580a48ecf45de96055e39e05ec905f45d76d29180291991a35e25ee2", kill_on_drop: false }`
[INFO] [stdout] 36384c6d580a48ecf45de96055e39e05ec905f45d76d29180291991a35e25ee2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc77ff98b962bfbdba3134307e1987581ac099eaaf740fc82968bb430d312b48
[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" "dc77ff98b962bfbdba3134307e1987581ac099eaaf740fc82968bb430d312b48", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling ndarray v0.14.0
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking matrixmultiply v0.2.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking rust_ray_tracing v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `is_vector`
[INFO] [stdout]   --> src/tuple.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn is_vector(&self) -> bool {
[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: `is_point`
[INFO] [stdout]   --> src/tuple.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn is_point(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `magnitude`
[INFO] [stdout]   --> src/tuple.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn magnitude(&self) -> f64 {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `normalize`
[INFO] [stdout]   --> src/tuple.rs:44:12
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn normalize(&self) -> Tuple {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `dot`
[INFO] [stdout]   --> src/tuple.rs:54:8
[INFO] [stdout]    |
[INFO] [stdout] 54 |     fn dot(&self, t0: Tuple) -> f64 {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `cross`
[INFO] [stdout]   --> src/tuple.rs:61:8
[INFO] [stdout]    |
[INFO] [stdout] 61 |     fn cross(&self, t0: Tuple) -> Tuple {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_ppm`
[INFO] [stdout]   --> src/canvas.rs:11:19
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub(crate) fn to_ppm(&self) -> String {
[INFO] [stdout]    |                   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write_pixel`
[INFO] [stdout]   --> src/canvas.rs:28:19
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub(crate) fn write_pixel(&mut self, x: usize, y: usize, color: Color) {
[INFO] [stdout]    |                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/canvas.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn new(width: usize, height: usize) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `width`
[INFO] [stdout]   --> src/canvas.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn width(&self) -> usize {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `height`
[INFO] [stdout]   --> src/canvas.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn height(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.95s
[INFO] running `Command { std: "docker" "inspect" "dc77ff98b962bfbdba3134307e1987581ac099eaaf740fc82968bb430d312b48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc77ff98b962bfbdba3134307e1987581ac099eaaf740fc82968bb430d312b48", kill_on_drop: false }`
[INFO] [stdout] dc77ff98b962bfbdba3134307e1987581ac099eaaf740fc82968bb430d312b48