[INFO] cloning repository https://github.com/DTibbs/raytracing-weekend
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DTibbs/raytracing-weekend" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDTibbs%2Fraytracing-weekend", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDTibbs%2Fraytracing-weekend'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 555cf9c1ec8eb367bef8a4dc67872ed679b28a64
[INFO] documenting DTibbs/raytracing-weekend against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDTibbs%2Fraytracing-weekend" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DTibbs/raytracing-weekend on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/DTibbs/raytracing-weekend
[INFO] finished tweaking git repo https://github.com/DTibbs/raytracing-weekend
[INFO] tweaked toml for git repo https://github.com/DTibbs/raytracing-weekend written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/DTibbs/raytracing-weekend already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", 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] 1b548f2e889df4ddb447d4dcb3568152d4fbdabab63215ef505e21e19001eae3
[INFO] running `Command { std: "docker" "start" "-a" "1b548f2e889df4ddb447d4dcb3568152d4fbdabab63215ef505e21e19001eae3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b548f2e889df4ddb447d4dcb3568152d4fbdabab63215ef505e21e19001eae3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b548f2e889df4ddb447d4dcb3568152d4fbdabab63215ef505e21e19001eae3", kill_on_drop: false }`
[INFO] [stdout] 1b548f2e889df4ddb447d4dcb3568152d4fbdabab63215ef505e21e19001eae3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 56a963dbd6c622b9ae3b678e0dc54e59e8a04a5f80ebf7f3dbbd4db33c589975
[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" "56a963dbd6c622b9ae3b678e0dc54e59e8a04a5f80ebf7f3dbbd4db33c589975", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.4
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling rayon-core v1.5.0
[INFO] [stderr]     Checking crossbeam-utils v0.6.5
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking crossbeam-epoch v0.7.1
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking crossbeam-deque v0.6.3
[INFO] [stderr]     Checking num_cpus v1.10.1
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rayon v1.1.0
[INFO] [stderr]  Documenting ray-tracing-weekend v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/vec3.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 |     (self.e[0] * other.e[0] + self.e[1] * other.e[1] + self.e[2] * other.e[2])
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.07s
[INFO] running `Command { std: "docker" "inspect" "56a963dbd6c622b9ae3b678e0dc54e59e8a04a5f80ebf7f3dbbd4db33c589975", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56a963dbd6c622b9ae3b678e0dc54e59e8a04a5f80ebf7f3dbbd4db33c589975", kill_on_drop: false }`
[INFO] [stdout] 56a963dbd6c622b9ae3b678e0dc54e59e8a04a5f80ebf7f3dbbd4db33c589975