[INFO] cloning repository https://github.com/thomasantony/raytracer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/thomasantony/raytracer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthomasantony%2Fraytracer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthomasantony%2Fraytracer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6276f87a62ea4c14caea7406246e965c6d0e1cd8
[INFO] documenting thomasantony/raytracer against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthomasantony%2Fraytracer" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/thomasantony/raytracer on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/thomasantony/raytracer
[INFO] finished tweaking git repo https://github.com/thomasantony/raytracer
[INFO] tweaked toml for git repo https://github.com/thomasantony/raytracer written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/thomasantony/raytracer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6891040d9535a1d668801ddba3f4cb2681ed7534513887e775d939044184ad71
[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" "6891040d9535a1d668801ddba3f4cb2681ed7534513887e775d939044184ad71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6891040d9535a1d668801ddba3f4cb2681ed7534513887e775d939044184ad71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6891040d9535a1d668801ddba3f4cb2681ed7534513887e775d939044184ad71", kill_on_drop: false }`
[INFO] [stdout] 6891040d9535a1d668801ddba3f4cb2681ed7534513887e775d939044184ad71
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+1.46.0" "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] c0922fdf5b6c223a642063fe552378e9a07ccd020467aa2ea0a6a17ed8fbc0a3
[INFO] running `Command { std: "docker" "start" "-a" "c0922fdf5b6c223a642063fe552378e9a07ccd020467aa2ea0a6a17ed8fbc0a3", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.31
[INFO] [stderr]    Compiling ndarray v0.13.1
[INFO] [stderr]     Checking number_prefix v0.3.0
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]     Checking terminal_size v0.1.12
[INFO] [stderr]     Checking termios v0.3.2
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking console v0.11.3
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking indicatif v0.15.0
[INFO] [stderr]     Checking num-iter v0.1.40
[INFO] [stderr]     Checking num-rational v0.2.4
[INFO] [stderr]     Checking image v0.23.4
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling structopt-derive v0.4.7
[INFO] [stderr]     Checking structopt v0.3.14
[INFO] [stderr]     Checking raytracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting raytracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `ProgressBar`
[INFO] [stdout]  --> src/renderers.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 5 | use indicatif::{ProgressBar, ProgressStyle};
[INFO] [stdout]   |                 ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `w`
[INFO] [stdout]  --> src/camera.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     w: Vec3,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `raytracer`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name raytracer src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern image=/opt/rustwide/target/debug/deps/libimage-3cad4acc11f60dbb.rmeta --extern indicatif=/opt/rustwide/target/debug/deps/libindicatif-2b0a4b0333728647.rmeta --extern ndarray=/opt/rustwide/target/debug/deps/libndarray-2235d82883057568.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-d0389cda767bfea1.rmeta --extern rayon=/opt/rustwide/target/debug/deps/librayon-c07d4216103d36f4.rmeta --extern structopt=/opt/rustwide/target/debug/deps/libstructopt-aa82b1222e8452b2.rmeta --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "c0922fdf5b6c223a642063fe552378e9a07ccd020467aa2ea0a6a17ed8fbc0a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0922fdf5b6c223a642063fe552378e9a07ccd020467aa2ea0a6a17ed8fbc0a3", kill_on_drop: false }`
[INFO] [stdout] c0922fdf5b6c223a642063fe552378e9a07ccd020467aa2ea0a6a17ed8fbc0a3