[INFO] cloning repository https://github.com/Canadadry/rust-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/Canadadry/rust-ray-tracer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCanadadry%2Frust-ray-tracer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCanadadry%2Frust-ray-tracer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c7de890816867a94e573cc4f3f2dcf4ba66946fd
[INFO] documenting Canadadry/rust-ray-tracer against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCanadadry%2Frust-ray-tracer" "/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/Canadadry/rust-ray-tracer on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Canadadry/rust-ray-tracer
[INFO] finished tweaking git repo https://github.com/Canadadry/rust-ray-tracer
[INFO] tweaked toml for git repo https://github.com/Canadadry/rust-ray-tracer written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/Canadadry/rust-ray-tracer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded termios v0.3.1
[INFO] [stderr]   Downloaded number_prefix v0.2.8
[INFO] [stderr]   Downloaded indicatif v0.11.0
[INFO] [stderr]   Downloaded clicolors-control v1.0.1
[INFO] [stderr]   Downloaded proc-macro2 v1.0.2
[INFO] [stderr]   Downloaded console v0.8.0
[INFO] [stderr]   Downloaded lodepng v2.5.0
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "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] cc93387832afdb82b956c0ee30424ced9b154d731bc043745c1b7dc89e3436f5
[INFO] running `Command { std: "docker" "start" "-a" "cc93387832afdb82b956c0ee30424ced9b154d731bc043745c1b7dc89e3436f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc93387832afdb82b956c0ee30424ced9b154d731bc043745c1b7dc89e3436f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc93387832afdb82b956c0ee30424ced9b154d731bc043745c1b7dc89e3436f5", kill_on_drop: false }`
[INFO] [stdout] cc93387832afdb82b956c0ee30424ced9b154d731bc043745c1b7dc89e3436f5
[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" "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-2020-10-09" "doc" "--frozen" "--no-deps" "--document-private-items" "--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] 6f7b6773c6bb0b971f129f95f18a666f0fb74ffb4511cd7ad6b9a7aa4a7c6489
[INFO] running `Command { std: "docker" "start" "-a" "6f7b6773c6bb0b971f129f95f18a666f0fb74ffb4511cd7ad6b9a7aa4a7c6489", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.2
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]    Compiling serde v1.0.99
[INFO] [stderr]     Checking smallvec v0.6.10
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]     Checking rgb v0.8.14
[INFO] [stderr]     Checking lock_api v0.3.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking termios v0.3.1
[INFO] [stderr]     Checking clicolors-control v1.0.1
[INFO] [stderr]     Checking lodepng v2.5.0
[INFO] [stderr]     Checking console v0.8.0
[INFO] [stderr]     Checking number_prefix v0.2.8
[INFO] [stderr]     Checking indicatif v0.11.0
[INFO] [stderr]    Compiling serde_derive v1.0.99
[INFO] [stderr]     Checking serde_yaml v0.8.9
[INFO] [stderr]  Documenting ray_tracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/engine/tracer.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 42 |                 (ray.x >= 0.0 && ray.y >= 0.0 && ray.z >= 0.0)
[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 39.47s
[INFO] running `Command { std: "docker" "inspect" "6f7b6773c6bb0b971f129f95f18a666f0fb74ffb4511cd7ad6b9a7aa4a7c6489", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f7b6773c6bb0b971f129f95f18a666f0fb74ffb4511cd7ad6b9a7aa4a7c6489", kill_on_drop: false }`
[INFO] [stdout] 6f7b6773c6bb0b971f129f95f18a666f0fb74ffb4511cd7ad6b9a7aa4a7c6489