[INFO] cloning repository https://github.com/joelkbennett/rust_raytracer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/joelkbennett/rust_raytracer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoelkbennett%2Frust_raytracer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoelkbennett%2Frust_raytracer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2d11b69ee1b10f7b2716adb855f7cb493d12792c
[INFO] checking joelkbennett/rust_raytracer against try#f27166d4c64dc29edc5ea3214357f191edf8b635 for pr-148329
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoelkbennett%2Frust_raytracer" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/joelkbennett/rust_raytracer
[INFO] finished tweaking git repo https://github.com/joelkbennett/rust_raytracer
[INFO] tweaked toml for git repo https://github.com/joelkbennett/rust_raytracer written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/joelkbennett/rust_raytracer on toolchain f27166d4c64dc29edc5ea3214357f191edf8b635
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f27166d4c64dc29edc5ea3214357f191edf8b635" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/joelkbennett/rust_raytracer 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" "+f27166d4c64dc29edc5ea3214357f191edf8b635" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+f27166d4c64dc29edc5ea3214357f191edf8b635" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 990dbe3b7b42e5c12cff776943e2b0a30f953d2ee49cf06cc8a3cd931aa289e4
[INFO] running `Command { std: "docker" "start" "-a" "990dbe3b7b42e5c12cff776943e2b0a30f953d2ee49cf06cc8a3cd931aa289e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "990dbe3b7b42e5c12cff776943e2b0a30f953d2ee49cf06cc8a3cd931aa289e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "990dbe3b7b42e5c12cff776943e2b0a30f953d2ee49cf06cc8a3cd931aa289e4", kill_on_drop: false }`
[INFO] [stdout] 990dbe3b7b42e5c12cff776943e2b0a30f953d2ee49cf06cc8a3cd931aa289e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+f27166d4c64dc29edc5ea3214357f191edf8b635" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3e80d590b1f092c17991898880827ab7fa6c0d3824fe5271d6ea54b229598909
[INFO] running `Command { std: "docker" "start" "-a" "3e80d590b1f092c17991898880827ab7fa6c0d3824fe5271d6ea54b229598909", kill_on_drop: false }`
[INFO] [stderr]     Checking ray_tracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Image` is never constructed
[INFO] [stdout]  --> src/image.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Image<'a> {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_discriminant` is never used
[INFO] [stdout]  --> src/hittable.rs:4:6
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub trait Hittable {
[INFO] [stdout]   |           -------- method in this trait
[INFO] [stdout] 4 |   fn get_discriminant(&self, ray: &Ray) -> f64;
[INFO] [stdout]   |      ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Image` is never constructed
[INFO] [stdout]  --> src/image.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Image<'a> {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "3e80d590b1f092c17991898880827ab7fa6c0d3824fe5271d6ea54b229598909", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e80d590b1f092c17991898880827ab7fa6c0d3824fe5271d6ea54b229598909", kill_on_drop: false }`
[INFO] [stdout] 3e80d590b1f092c17991898880827ab7fa6c0d3824fe5271d6ea54b229598909