[INFO] cloning repository https://github.com/numitus/rust_ray_tracer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/numitus/rust_ray_tracer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnumitus%2Frust_ray_tracer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnumitus%2Frust_ray_tracer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 15ce6a3b025aae7ef918921cec9c02b606d97634
[INFO] checking numitus/rust_ray_tracer against master#4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 for pr-81174
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnumitus%2Frust_ray_tracer" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/numitus/rust_ray_tracer on toolchain 4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/numitus/rust_ray_tracer
[INFO] finished tweaking git repo https://github.com/numitus/rust_ray_tracer
[INFO] tweaked toml for git repo https://github.com/numitus/rust_ray_tracer written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/numitus/rust_ray_tracer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 186f9bd6a0dd77a0845069d221e9845d5c1613e50d9989e9716052532a87daf0
[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" "186f9bd6a0dd77a0845069d221e9845d5c1613e50d9989e9716052532a87daf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "186f9bd6a0dd77a0845069d221e9845d5c1613e50d9989e9716052532a87daf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "186f9bd6a0dd77a0845069d221e9845d5c1613e50d9989e9716052532a87daf0", kill_on_drop: false }`
[INFO] [stdout] 186f9bd6a0dd77a0845069d221e9845d5c1613e50d9989e9716052532a87daf0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 832c4f08555c02dc613812db40be50d1295138374817891fce275300fdaa295a
[INFO] running `Command { std: "docker" "start" "-a" "832c4f08555c02dc613812db40be50d1295138374817891fce275300fdaa295a", kill_on_drop: false }`
[INFO] [stderr]     Checking ray_trace v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `new_tuple`
[INFO] [stdout]   --> src/tuple.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn new_tuple(x: f64, y: f64,z: f64,w:f64) -> Tuple {
[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_point`
[INFO] [stdout]   --> src/tuple.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn new_point(x: f64, y: f64,z: f64) -> Tuple {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_vector`
[INFO] [stdout]   --> src/tuple.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn new_vector(x: f64, y: f64,z: f64) -> Tuple {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_point`
[INFO] [stdout]   --> src/tuple.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn is_point(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_vector`
[INFO] [stdout]   --> src/tuple.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn is_vector(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "832c4f08555c02dc613812db40be50d1295138374817891fce275300fdaa295a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "832c4f08555c02dc613812db40be50d1295138374817891fce275300fdaa295a", kill_on_drop: false }`
[INFO] [stdout] 832c4f08555c02dc613812db40be50d1295138374817891fce275300fdaa295a