[INFO] cloning repository https://github.com/vfukala/color-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/vfukala/color-ray-tracer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvfukala%2Fcolor-ray-tracer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvfukala%2Fcolor-ray-tracer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a492e00f76d4e1ac98dea9e0016dfbd5d6c809b7
[INFO] checking vfukala/color-ray-tracer against try#b4c55082edd8dec08ce8af276d7054d9c4db20c4 for pr-147984
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvfukala%2Fcolor-ray-tracer" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/vfukala/color-ray-tracer
[INFO] finished tweaking git repo https://github.com/vfukala/color-ray-tracer
[INFO] tweaked toml for git repo https://github.com/vfukala/color-ray-tracer written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/vfukala/color-ray-tracer on toolchain b4c55082edd8dec08ce8af276d7054d9c4db20c4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b4c55082edd8dec08ce8af276d7054d9c4db20c4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/vfukala/color-ray-tracer 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" "+b4c55082edd8dec08ce8af276d7054d9c4db20c4" "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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b4c55082edd8dec08ce8af276d7054d9c4db20c4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0301032764b78da6047cdd04a712637a1d4ed2e2d776e979cbb7b28040cfdda7
[INFO] running `Command { std: "docker" "start" "-a" "0301032764b78da6047cdd04a712637a1d4ed2e2d776e979cbb7b28040cfdda7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0301032764b78da6047cdd04a712637a1d4ed2e2d776e979cbb7b28040cfdda7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0301032764b78da6047cdd04a712637a1d4ed2e2d776e979cbb7b28040cfdda7", kill_on_drop: false }`
[INFO] [stdout] 0301032764b78da6047cdd04a712637a1d4ed2e2d776e979cbb7b28040cfdda7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b4c55082edd8dec08ce8af276d7054d9c4db20c4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b330af247691955d59ba391e1bb0c414a8ac831256bbcb6ef614a4b22a0b0860
[INFO] running `Command { std: "docker" "start" "-a" "b330af247691955d59ba391e1bb0c414a8ac831256bbcb6ef614a4b22a0b0860", kill_on_drop: false }`
[INFO] [stderr]     Checking num-complex v0.4.4
[INFO] [stderr]     Checking final_project v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `shininess` is never read
[INFO] [stdout]    --> src/main.rs:439:5
[INFO] [stdout]     |
[INFO] [stdout] 438 | struct DiffractiveMaterial {
[INFO] [stdout]     |        ------------------- field in this struct
[INFO] [stdout] 439 |     shininess: IntensityValue,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BoolTracer` is never constructed
[INFO] [stdout]    --> src/main.rs:595:8
[INFO] [stdout]     |
[INFO] [stdout] 595 | struct BoolTracer<'a> {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `construct_scene0` is never used
[INFO] [stdout]    --> src/main.rs:751:4
[INFO] [stdout]     |
[INFO] [stdout] 751 | fn construct_scene0<'a>(materials: &'a Vec<Box<dyn Material>>) -> Scene<'a> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `shininess` is never read
[INFO] [stdout]    --> src/main.rs:439:5
[INFO] [stdout]     |
[INFO] [stdout] 438 | struct DiffractiveMaterial {
[INFO] [stdout]     |        ------------------- field in this struct
[INFO] [stdout] 439 |     shininess: IntensityValue,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BoolTracer` is never constructed
[INFO] [stdout]    --> src/main.rs:595:8
[INFO] [stdout]     |
[INFO] [stdout] 595 | struct BoolTracer<'a> {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `construct_scene0` is never used
[INFO] [stdout]    --> src/main.rs:751:4
[INFO] [stdout]     |
[INFO] [stdout] 751 | fn construct_scene0<'a>(materials: &'a Vec<Box<dyn Material>>) -> Scene<'a> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "b330af247691955d59ba391e1bb0c414a8ac831256bbcb6ef614a4b22a0b0860", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b330af247691955d59ba391e1bb0c414a8ac831256bbcb6ef614a4b22a0b0860", kill_on_drop: false }`
[INFO] [stdout] b330af247691955d59ba391e1bb0c414a8ac831256bbcb6ef614a4b22a0b0860