[INFO] cloning repository https://github.com/lbillingham/ray_tracer_challenge__rusty
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lbillingham/ray_tracer_challenge__rusty" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flbillingham%2Fray_tracer_challenge__rusty", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flbillingham%2Fray_tracer_challenge__rusty'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a639350b839c4a78d6e6dd15097f8b7538526865
[INFO] checking lbillingham/ray_tracer_challenge__rusty against master#336209eef13882bd1e211b24779584cb7ef911eb for pr-129249
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flbillingham%2Fray_tracer_challenge__rusty" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lbillingham/ray_tracer_challenge__rusty on toolchain 336209eef13882bd1e211b24779584cb7ef911eb
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+336209eef13882bd1e211b24779584cb7ef911eb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lbillingham/ray_tracer_challenge__rusty
[INFO] finished tweaking git repo https://github.com/lbillingham/ray_tracer_challenge__rusty
[INFO] tweaked toml for git repo https://github.com/lbillingham/ray_tracer_challenge__rusty written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/lbillingham/ray_tracer_challenge__rusty 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" "+336209eef13882bd1e211b24779584cb7ef911eb" "fetch" "--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-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+336209eef13882bd1e211b24779584cb7ef911eb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7ec54cff66c1eaad7bd7c8047bd71864ae44f22c5a1fc662120c197f2df285d1
[INFO] running `Command { std: "docker" "start" "-a" "7ec54cff66c1eaad7bd7c8047bd71864ae44f22c5a1fc662120c197f2df285d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ec54cff66c1eaad7bd7c8047bd71864ae44f22c5a1fc662120c197f2df285d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ec54cff66c1eaad7bd7c8047bd71864ae44f22c5a1fc662120c197f2df285d1", kill_on_drop: false }`
[INFO] [stdout] 7ec54cff66c1eaad7bd7c8047bd71864ae44f22c5a1fc662120c197f2df285d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+336209eef13882bd1e211b24779584cb7ef911eb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d85702f6db8e841f333418d8c1a78119e5334ecc33b713f19b40603d9e03d2f1
[INFO] running `Command { std: "docker" "start" "-a" "d85702f6db8e841f333418d8c1a78119e5334ecc33b713f19b40603d9e03d2f1", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking ray_tracer_challenge v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `PpmRowBytes` is never constructed
[INFO] [stdout]   --> src/canvas.rs:92:8
[INFO] [stdout]    |
[INFO] [stdout] 92 | struct PpmRowBytes(Vec<u8>);
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PpmRowBytes` is never constructed
[INFO] [stdout]   --> src/canvas.rs:92:8
[INFO] [stdout]    |
[INFO] [stdout] 92 | struct PpmRowBytes(Vec<u8>);
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.44s
[INFO] running `Command { std: "docker" "inspect" "d85702f6db8e841f333418d8c1a78119e5334ecc33b713f19b40603d9e03d2f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d85702f6db8e841f333418d8c1a78119e5334ecc33b713f19b40603d9e03d2f1", kill_on_drop: false }`
[INFO] [stdout] d85702f6db8e841f333418d8c1a78119e5334ecc33b713f19b40603d9e03d2f1