[INFO] cloning repository https://github.com/paramoshin/rust-ray-tracing-weeknd
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/paramoshin/rust-ray-tracing-weeknd" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fparamoshin%2Frust-ray-tracing-weeknd", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fparamoshin%2Frust-ray-tracing-weeknd'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b13c3b33d334861a32eab0f796bd8a0e030a172a
[INFO] checking paramoshin/rust-ray-tracing-weeknd against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fparamoshin%2Frust-ray-tracing-weeknd" "/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/paramoshin/rust-ray-tracing-weeknd 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/paramoshin/rust-ray-tracing-weeknd
[INFO] finished tweaking git repo https://github.com/paramoshin/rust-ray-tracing-weeknd
[INFO] tweaked toml for git repo https://github.com/paramoshin/rust-ray-tracing-weeknd written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/paramoshin/rust-ray-tracing-weeknd 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-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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0705d115c5468b712d0c68542815aec7a91d280d8d9766c4427a9f84f8d8177e
[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" "0705d115c5468b712d0c68542815aec7a91d280d8d9766c4427a9f84f8d8177e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0705d115c5468b712d0c68542815aec7a91d280d8d9766c4427a9f84f8d8177e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0705d115c5468b712d0c68542815aec7a91d280d8d9766c4427a9f84f8d8177e", kill_on_drop: false }`
[INFO] [stdout] 0705d115c5468b712d0c68542815aec7a91d280d8d9766c4427a9f84f8d8177e
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "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] a4fc4339f5def431c8c00f553b6b618543866c2ee833272d944d3ef6434f28a6
[INFO] running `Command { std: "docker" "start" "-a" "a4fc4339f5def431c8c00f553b6b618543866c2ee833272d944d3ef6434f28a6", kill_on_drop: false }`
[INFO] [stderr]     Checking ray_tracing v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::materials::metal::Metal`
[INFO] [stdout]  --> src/objects/mod.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::materials::metal::Metal;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::materials::metal::Metal`
[INFO] [stdout]  --> src/objects/mod.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::materials::metal::Metal;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r_in`
[INFO] [stdout]   --> src/materials/lambertian.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |         r_in: &Ray,
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_r_in`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r_in`
[INFO] [stdout]   --> src/materials/lambertian.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |         r_in: &Ray,
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_r_in`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.03s
[INFO] running `Command { std: "docker" "inspect" "a4fc4339f5def431c8c00f553b6b618543866c2ee833272d944d3ef6434f28a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4fc4339f5def431c8c00f553b6b618543866c2ee833272d944d3ef6434f28a6", kill_on_drop: false }`
[INFO] [stdout] a4fc4339f5def431c8c00f553b6b618543866c2ee833272d944d3ef6434f28a6