[INFO] cloning repository https://github.com/mdtusz/raytracer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mdtusz/raytracer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmdtusz%2Fraytracer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmdtusz%2Fraytracer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1ad6f8de641b6e9977b6039b70e1333077f0ff61
[INFO] documenting mdtusz/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%2Fmdtusz%2Fraytracer" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mdtusz/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/mdtusz/raytracer
[INFO] finished tweaking git repo https://github.com/mdtusz/raytracer
[INFO] tweaked toml for git repo https://github.com/mdtusz/raytracer written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/mdtusz/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 wayland-sys v0.25.0
[INFO] [stderr]   Downloaded wayland-commons v0.25.0
[INFO] [stderr]   Downloaded wayland-client v0.25.0
[INFO] [stderr]   Downloaded wayland-cursor v0.25.0
[INFO] [stderr]   Downloaded orbclient v0.3.27
[INFO] [stderr]   Downloaded nix v0.17.0
[INFO] [stderr]   Downloaded minifb v0.16.0
[INFO] [stderr]   Downloaded xkb v0.2.1
[INFO] [stderr]   Downloaded once_cell v1.3.1
[INFO] [stderr]   Downloaded wayland-protocols v0.25.0
[INFO] [stderr]   Downloaded sdl2-sys v0.32.6
[INFO] [stderr]   Downloaded wide v0.4.5
[INFO] [stderr]   Downloaded sdl2 v0.32.2
[INFO] [stderr]   Downloaded wayland-scanner v0.25.0
[INFO] [stderr]   Downloaded xkbcommon-sys v0.7.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] b0ed20c708d1cdc9de6f0715697969d0291416013a40bcdc8e76caf52cbe6acf
[INFO] running `Command { std: "docker" "start" "-a" "b0ed20c708d1cdc9de6f0715697969d0291416013a40bcdc8e76caf52cbe6acf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b0ed20c708d1cdc9de6f0715697969d0291416013a40bcdc8e76caf52cbe6acf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0ed20c708d1cdc9de6f0715697969d0291416013a40bcdc8e76caf52cbe6acf", kill_on_drop: false }`
[INFO] [stdout] b0ed20c708d1cdc9de6f0715697969d0291416013a40bcdc8e76caf52cbe6acf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 41f3936bd68e041a4a05003f2299e59f1e295de08d165b9533c9f3b014114e01
[INFO] running `Command { std: "docker" "start" "-a" "41f3936bd68e041a4a05003f2299e59f1e295de08d165b9533c9f3b014114e01", kill_on_drop: false }`
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]    Compiling wide v0.4.5
[INFO] [stderr]    Compiling minifb v0.16.0
[INFO] [stderr]    Compiling xkbcommon-sys v0.7.4
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking libloading v0.5.2
[INFO] [stderr]    Compiling quote v1.0.4
[INFO] [stderr]     Checking dlib v0.4.1
[INFO] [stderr]     Checking wayland-sys v0.25.0
[INFO] [stderr]     Checking wayland-commons v0.25.0
[INFO] [stderr]    Compiling wayland-scanner v0.25.0
[INFO] [stderr]     Checking xkb v0.2.1
[INFO] [stderr]     Checking ultraviolet v0.4.6
[INFO] [stderr]    Compiling wayland-client v0.25.0
[INFO] [stderr]    Compiling wayland-protocols v0.25.0
[INFO] [stderr]     Checking wayland-cursor v0.25.0
[INFO] [stderr]  Documenting raytracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.82s
[INFO] running `Command { std: "docker" "inspect" "41f3936bd68e041a4a05003f2299e59f1e295de08d165b9533c9f3b014114e01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41f3936bd68e041a4a05003f2299e59f1e295de08d165b9533c9f3b014114e01", kill_on_drop: false }`
[INFO] [stdout] 41f3936bd68e041a4a05003f2299e59f1e295de08d165b9533c9f3b014114e01