[INFO] cloning repository https://github.com/fredrikln/the-raytracer-challenge
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fredrikln/the-raytracer-challenge" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffredrikln%2Fthe-raytracer-challenge", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffredrikln%2Fthe-raytracer-challenge'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 268a715fe1d14455bfa1aad68ac13021776ca237
[INFO] documenting fredrikln/the-raytracer-challenge 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%2Ffredrikln%2Fthe-raytracer-challenge" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fredrikln/the-raytracer-challenge 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/fredrikln/the-raytracer-challenge
[INFO] finished tweaking git repo https://github.com/fredrikln/the-raytracer-challenge
[INFO] tweaked toml for git repo https://github.com/fredrikln/the-raytracer-challenge written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/fredrikln/the-raytracer-challenge 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 1ac9a95875e893c7802dc95cfa2d2bb83eaa83c3a003e7a8e6817d5003b7e5c4
[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" "1ac9a95875e893c7802dc95cfa2d2bb83eaa83c3a003e7a8e6817d5003b7e5c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ac9a95875e893c7802dc95cfa2d2bb83eaa83c3a003e7a8e6817d5003b7e5c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ac9a95875e893c7802dc95cfa2d2bb83eaa83c3a003e7a8e6817d5003b7e5c4", kill_on_drop: false }`
[INFO] [stdout] 1ac9a95875e893c7802dc95cfa2d2bb83eaa83c3a003e7a8e6817d5003b7e5c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 82bafb447bec2db9e73e0a196de20295b0b447b62f5200686d644744bfd515f1
[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" "82bafb447bec2db9e73e0a196de20295b0b447b62f5200686d644744bfd515f1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]    Compiling rayon-core v1.6.0
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]    Compiling num-traits v0.2.9
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]     Checking gif v0.10.3
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking crc32fast v1.2.0
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking png v0.15.0
[INFO] [stderr]     Checking crossbeam-deque v0.7.2
[INFO] [stderr]     Checking num_cpus v1.11.1
[INFO] [stderr]     Checking rayon v1.2.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.16
[INFO] [stderr]     Checking tiff v0.3.1
[INFO] [stderr]     Checking image v0.22.3
[INFO] [stderr]  Documenting raytracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.36s
[INFO] running `Command { std: "docker" "inspect" "82bafb447bec2db9e73e0a196de20295b0b447b62f5200686d644744bfd515f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82bafb447bec2db9e73e0a196de20295b0b447b62f5200686d644744bfd515f1", kill_on_drop: false }`
[INFO] [stdout] 82bafb447bec2db9e73e0a196de20295b0b447b62f5200686d644744bfd515f1