[INFO] cloning repository https://github.com/prok20/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/prok20/ray_tracer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprok20%2Fray_tracer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprok20%2Fray_tracer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ddb4a931193c4752cf9fcb780bf589f32131ffed
[INFO] checking prok20/ray_tracer against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprok20%2Fray_tracer" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/prok20/ray_tracer on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/prok20/ray_tracer
[INFO] finished tweaking git repo https://github.com/prok20/ray_tracer
[INFO] tweaked toml for git repo https://github.com/prok20/ray_tracer written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/prok20/ray_tracer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bd012af5fb9671c1dab2f6bb912929e09c90d160bcb446ab65d11f47a322b3d6
[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" "bd012af5fb9671c1dab2f6bb912929e09c90d160bcb446ab65d11f47a322b3d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bd012af5fb9671c1dab2f6bb912929e09c90d160bcb446ab65d11f47a322b3d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd012af5fb9671c1dab2f6bb912929e09c90d160bcb446ab65d11f47a322b3d6", kill_on_drop: false }`
[INFO] [stdout] bd012af5fb9671c1dab2f6bb912929e09c90d160bcb446ab65d11f47a322b3d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dd07bbd08107571c423ac57f4c8a786b54252cfa0503f18ae722f8a6f5d0641a
[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" "dd07bbd08107571c423ac57f4c8a786b54252cfa0503f18ae722f8a6f5d0641a", kill_on_drop: false }`
[INFO] [stderr]     Checking ray_tracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type alias is never used: `Point3`
[INFO] [stdout]  --> src/vec3.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub type Point3 = Vec3;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Color`
[INFO] [stdout]  --> src/vec3.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub type Color = Vec3;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Point3`
[INFO] [stdout]  --> src/vec3.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub type Point3 = Vec3;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Color`
[INFO] [stdout]  --> src/vec3.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub type Color = Vec3;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "dd07bbd08107571c423ac57f4c8a786b54252cfa0503f18ae722f8a6f5d0641a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd07bbd08107571c423ac57f4c8a786b54252cfa0503f18ae722f8a6f5d0641a", kill_on_drop: false }`
[INFO] [stdout] dd07bbd08107571c423ac57f4c8a786b54252cfa0503f18ae722f8a6f5d0641a