[INFO] cloning repository https://github.com/jbrady42/mandlebrot-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jbrady42/mandlebrot-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjbrady42%2Fmandlebrot-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjbrady42%2Fmandlebrot-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3d993aed47653942d0d2abb200a9275b91034abc
[INFO] documenting jbrady42/mandlebrot-rs 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%2Fjbrady42%2Fmandlebrot-rs" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jbrady42/mandlebrot-rs 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/jbrady42/mandlebrot-rs
[INFO] finished tweaking git repo https://github.com/jbrady42/mandlebrot-rs
[INFO] tweaked toml for git repo https://github.com/jbrady42/mandlebrot-rs written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/jbrady42/mandlebrot-rs 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 random_color v0.4.4
[INFO] [stderr]   Downloaded gmp-mpfr-sys v1.1.14
[INFO] [stderr]   Downloaded rug v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] b03968c309dcd39e55b55a2406137ec871f3789c818f445e453be2927c713a32
[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" "b03968c309dcd39e55b55a2406137ec871f3789c818f445e453be2927c713a32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b03968c309dcd39e55b55a2406137ec871f3789c818f445e453be2927c713a32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b03968c309dcd39e55b55a2406137ec871f3789c818f445e453be2927c713a32", kill_on_drop: false }`
[INFO] [stdout] b03968c309dcd39e55b55a2406137ec871f3789c818f445e453be2927c713a32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 1baa280a101151c2412a26393247b274ac5330ce98b501e23f6c56cfc7d13935
[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" "1baa280a101151c2412a26393247b274ac5330ce98b501e23f6c56cfc7d13935", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.11
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[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]     Checking smallvec v1.0.0
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[INFO] [stderr]    Compiling serde v1.0.103
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[INFO] [stderr]     Checking ucd-util v0.1.5
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[INFO] [stderr]    Compiling rug v0.6.0
[INFO] [stderr]     Checking utf8-ranges v1.0.4
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling num-integer v0.1.41
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[INFO] [stderr]    Compiling hashbrown v0.6.3
[INFO] [stderr]    Compiling num-bigint v0.2.3
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[INFO] [stderr]    Compiling num-complex v0.2.3
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[INFO] [stderr]    Compiling backtrace-sys v0.1.32
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[INFO] [stderr]    Compiling c2-chacha v0.2.3
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[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]     Checking regex-syntax v0.5.6
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[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking enum_primitive v0.1.1
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[INFO] [stderr]     Checking chrono v0.4.10
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[INFO] [stderr]     Checking image v0.12.4
[INFO] [stderr]     Checking brotli2 v0.3.2
[INFO] [stderr]    Compiling derive_more v0.15.0
[INFO] [stderr]    Compiling enum-as-inner v0.2.1
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]     Checking image-base64 v0.1.0
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]     Checking tiff v0.3.1
[INFO] [stderr]     Checking image v0.22.3
[INFO] [stderr]    Compiling serde_derive v1.0.103
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling structopt-derive v0.3.5
[INFO] [stderr]    Compiling actix-web-codegen v0.1.3
[INFO] [stderr]     Checking actix-threadpool v0.1.2
[INFO] [stderr]     Checking actix-rt v0.2.6
[INFO] [stderr]     Checking actix-server v0.6.1
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[INFO] [stderr]    Compiling const-random-macro v0.1.6
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking trust-dns-proto v0.7.4
[INFO] [stderr]     Checking const-random v0.1.6
[INFO] [stderr]     Checking ahash v0.2.18
[INFO] [stderr]     Checking structopt v0.3.5
[INFO] [stderr]     Checking trust-dns-resolver v0.11.1
[INFO] [stderr]     Checking actix-connect v0.2.5
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking serde_json v1.0.44
[INFO] [stderr]     Checking actix-router v0.1.5
[INFO] [stderr]     Checking actix-http v0.2.11
[INFO] [stderr]     Checking awc v0.2.8
[INFO] [stderr]     Checking actix-web v1.0.9
[INFO] [stderr]     Checking mandelbrot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting mandelbrot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `palette`
[INFO] [stdout]   --> src/lib.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 |         palette: &HashMap<i32, image::Rgb<u8>>,
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_palette`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6m 38s
[INFO] running `Command { std: "docker" "inspect" "1baa280a101151c2412a26393247b274ac5330ce98b501e23f6c56cfc7d13935", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1baa280a101151c2412a26393247b274ac5330ce98b501e23f6c56cfc7d13935", kill_on_drop: false }`
[INFO] [stdout] 1baa280a101151c2412a26393247b274ac5330ce98b501e23f6c56cfc7d13935