[INFO] cloning repository https://github.com/sean-h/raytracer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sean-h/raytracer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsean-h%2Fraytracer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsean-h%2Fraytracer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c6048e83a96c76a79ac1e6931848d78525dab50e
[INFO] documenting sean-h/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%2Fsean-h%2Fraytracer" "/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/sean-h/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/sean-h/raytracer
[INFO] finished tweaking git repo https://github.com/sean-h/raytracer
[INFO] tweaked toml for git repo https://github.com/sean-h/raytracer written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/sean-h/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]     Blocking waiting for file lock on package cache
[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] [stdout] dc546934e0477325a87bb315535b3d375a4125284b8538782aea9051ff64b1e5
[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" "dc546934e0477325a87bb315535b3d375a4125284b8538782aea9051ff64b1e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc546934e0477325a87bb315535b3d375a4125284b8538782aea9051ff64b1e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc546934e0477325a87bb315535b3d375a4125284b8538782aea9051ff64b1e5", kill_on_drop: false }`
[INFO] [stdout] dc546934e0477325a87bb315535b3d375a4125284b8538782aea9051ff64b1e5
[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] eb1ecac97042a5ea0df05a1ec82a851c14419c01f13e5caa3340ac4d87993dd7
[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" "eb1ecac97042a5ea0df05a1ec82a851c14419c01f13e5caa3340ac4d87993dd7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling serde v1.0.81
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]     Checking cmdpro v0.1.0 (https://github.com/sean-h/cmdpro.git#71d2117c)
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]     Checking arrayvec v0.4.8
[INFO] [stderr]     Checking deflate v0.7.19
[INFO] [stderr]     Checking threadpool v1.7.1
[INFO] [stderr]     Checking num-integer v0.1.39
[INFO] [stderr]    Compiling syn v0.15.22
[INFO] [stderr]     Checking rand v0.6.1
[INFO] [stderr]     Checking num-iter v0.1.37
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking png v0.12.0
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]     Checking nom v4.2.0
[INFO] [stderr]     Checking tdmath v0.1.0 (https://github.com/sean-h/tdmath.git#6ad61698)
[INFO] [stderr]     Checking modelloader v0.1.0 (https://github.com/sean-h/modelloader.git#2b48d49a)
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling num-derive v0.2.3
[INFO] [stderr]     Checking tiff v0.2.1
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking image v0.20.1
[INFO] [stderr]  Documenting raytracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.19s
[INFO] running `Command { std: "docker" "inspect" "eb1ecac97042a5ea0df05a1ec82a851c14419c01f13e5caa3340ac4d87993dd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb1ecac97042a5ea0df05a1ec82a851c14419c01f13e5caa3340ac4d87993dd7", kill_on_drop: false }`
[INFO] [stdout] eb1ecac97042a5ea0df05a1ec82a851c14419c01f13e5caa3340ac4d87993dd7