[INFO] cloning repository https://github.com/ehuss/raytracer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ehuss/raytracer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fehuss%2Fraytracer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fehuss%2Fraytracer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9a88a081dab342da88ba7829283f2a28e14c6274
[INFO] documenting ehuss/raytracer 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%2Fehuss%2Fraytracer" "/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/ehuss/raytracer 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/ehuss/raytracer
[INFO] finished tweaking git repo https://github.com/ehuss/raytracer
[INFO] tweaked toml for git repo https://github.com/ehuss/raytracer written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/ehuss/raytracer 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libc v0.2.20
[INFO] [stderr]   Downloaded jpeg-decoder v0.1.11
[INFO] [stderr]   Downloaded quote v0.2.3
[INFO] [stderr]   Downloaded term_size v0.2.2
[INFO] [stderr]   Downloaded derive-new v0.4.0
[INFO] [stderr]   Downloaded deque v0.3.1
[INFO] [stderr]   Downloaded libc v0.1.12
[INFO] [stderr]   Downloaded gif v0.9.0
[INFO] [stderr]   Downloaded num-integer v0.1.32
[INFO] [stderr]   Downloaded gdi32-sys v0.1.1
[INFO] [stderr]   Downloaded dylib v0.0.1
[INFO] [stderr]   Downloaded kernel32-sys v0.1.4
[INFO] [stderr]   Downloaded time v0.1.36
[INFO] [stderr]   Downloaded rayon v0.6.0
[INFO] [stderr]   Downloaded adler32 v0.3.0
[INFO] [stderr]   Downloaded x11-dl v2.2.1
[INFO] [stderr]   Downloaded syn v0.8.7
[INFO] [stderr]   Downloaded num_cpus v1.2.1
[INFO] [stderr]   Downloaded user32-sys v0.1.2
[INFO] [stderr]   Downloaded deflate v0.7.4
[INFO] [stderr]   Downloaded clap v2.20.5
[INFO] [stderr]   Downloaded num-traits v0.1.36
[INFO] [stderr]   Downloaded gcc v0.3.43
[INFO] [stderr]   Downloaded num-rational v0.1.35
[INFO] [stderr]   Downloaded unicode-segmentation v1.1.0
[INFO] [stderr]   Downloaded png v0.6.2
[INFO] [stderr]   Downloaded minifb v0.9.0
[INFO] [stderr]   Downloaded inflate v0.1.1
[INFO] [stderr]   Downloaded image v0.12.3
[INFO] [stderr]   Downloaded num-iter v0.1.32
[INFO] [stderr]   Downloaded redox_syscall v0.1.16
[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-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c8258b42276cb6f2552054e75e8c333ff6ee0989f3a7077f60e72950699c2902
[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" "c8258b42276cb6f2552054e75e8c333ff6ee0989f3a7077f60e72950699c2902", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c8258b42276cb6f2552054e75e8c333ff6ee0989f3a7077f60e72950699c2902", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8258b42276cb6f2552054e75e8c333ff6ee0989f3a7077f60e72950699c2902", kill_on_drop: false }`
[INFO] [stdout] c8258b42276cb6f2552054e75e8c333ff6ee0989f3a7077f60e72950699c2902
[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-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dccbd169f681a73d20ac02a676e55f12b8201a2d502dd7843662f2f487d1d2f7
[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" "dccbd169f681a73d20ac02a676e55f12b8201a2d502dd7843662f2f487d1d2f7", 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] [stderr]     Checking adler32 v0.3.0
[INFO] [stderr]     Checking inflate v0.1.1
[INFO] [stderr]    Compiling quote v0.2.3
[INFO] [stderr]     Checking scoped_threadpool v0.1.7
[INFO] [stderr]     Checking num_cpus v1.2.1
[INFO] [stderr]     Checking dylib v0.0.1
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]    Compiling minifb v0.9.0
[INFO] [stderr]     Checking gif v0.9.0
[INFO] [stderr]     Checking clap v2.20.5
[INFO] [stderr]     Checking deque v0.3.1
[INFO] [stderr]     Checking num-rational v0.1.35
[INFO] [stderr]     Checking deflate v0.7.4
[INFO] [stderr]     Checking x11-dl v2.2.1
[INFO] [stderr]    Compiling syn v0.8.7
[INFO] [stderr]     Checking rayon v0.6.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.11
[INFO] [stderr]     Checking png v0.6.2
[INFO] [stderr]    Compiling derive-new v0.4.0
[INFO] [stderr]     Checking image v0.12.3
[INFO] [stderr]  Documenting raytracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/vec3.rs:260:15
[INFO] [stdout]     |
[INFO] [stdout] 260 |     Vec3::new((v1.y * v2.z - v1.z * v2.y),
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/vec3.rs:261:15
[INFO] [stdout]     |
[INFO] [stdout] 261 |               (-(v1.x * v2.z - v1.z * v2.x)),
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/vec3.rs:262:15
[INFO] [stdout]     |
[INFO] [stdout] 262 |               (v1.x * v2.y - v1.y * v2.x))
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/material.rs:88:26
[INFO] [stdout]    |
[INFO] [stdout] 88 |                -> Option<(ScatterRecord)> {
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/material.rs:142:26
[INFO] [stdout]     |
[INFO] [stdout] 142 |                -> Option<(ScatterRecord)> {
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/material.rs:170:26
[INFO] [stdout]     |
[INFO] [stdout] 170 |                -> Option<(ScatterRecord)> {
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.61s
[INFO] running `Command { std: "docker" "inspect" "dccbd169f681a73d20ac02a676e55f12b8201a2d502dd7843662f2f487d1d2f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dccbd169f681a73d20ac02a676e55f12b8201a2d502dd7843662f2f487d1d2f7", kill_on_drop: false }`
[INFO] [stdout] dccbd169f681a73d20ac02a676e55f12b8201a2d502dd7843662f2f487d1d2f7