[INFO] cloning repository https://github.com/raimon49/rust-parallel-mandelbrot-study
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/raimon49/rust-parallel-mandelbrot-study" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraimon49%2Frust-parallel-mandelbrot-study", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraimon49%2Frust-parallel-mandelbrot-study'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6e3bc5ad0c4b08166deddf4f4b6557b45f6b5d89
[INFO] documenting raimon49/rust-parallel-mandelbrot-study against 1.75.0 for beta-1.76-rustdoc-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraimon49%2Frust-parallel-mandelbrot-study" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/raimon49/rust-parallel-mandelbrot-study on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/raimon49/rust-parallel-mandelbrot-study
[INFO] finished tweaking git repo https://github.com/raimon49/rust-parallel-mandelbrot-study
[INFO] tweaked toml for git repo https://github.com/raimon49/rust-parallel-mandelbrot-study written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/raimon49/rust-parallel-mandelbrot-study already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded smallvec v0.6.14
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4e64290bac5e35fbcf831499e0f4a7ddb9e0b642fb70b50c98c3dc4389bf8288
[INFO] running `Command { std: "docker" "start" "-a" "4e64290bac5e35fbcf831499e0f4a7ddb9e0b642fb70b50c98c3dc4389bf8288", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e64290bac5e35fbcf831499e0f4a7ddb9e0b642fb70b50c98c3dc4389bf8288", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e64290bac5e35fbcf831499e0f4a7ddb9e0b642fb70b50c98c3dc4389bf8288", kill_on_drop: false }`
[INFO] [stdout] 4e64290bac5e35fbcf831499e0f4a7ddb9e0b642fb70b50c98c3dc4389bf8288
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTFLAGS=--cap-lints=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8bdcb8f92b72710b821a48b1b0d98e1a7f8dec272144d4a0223a5399737e08b7
[INFO] running `Command { std: "docker" "start" "-a" "8bdcb8f92b72710b821a48b1b0d98e1a7f8dec272144d4a0223a5399737e08b7", kill_on_drop: false }`
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling semver-parser v0.7.0
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[INFO] [stderr]    Compiling arrayvec v0.4.12
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[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling semver v0.9.0
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[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]     Checking rand v0.5.6
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[INFO] [stderr]    Compiling rustc_version v0.2.3
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[INFO] [stderr]  Documenting mandelbrot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.62s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]    Generated /opt/rustwide/target/doc/mandelbrot/index.html
[INFO] running `Command { std: "docker" "inspect" "8bdcb8f92b72710b821a48b1b0d98e1a7f8dec272144d4a0223a5399737e08b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bdcb8f92b72710b821a48b1b0d98e1a7f8dec272144d4a0223a5399737e08b7", kill_on_drop: false }`
[INFO] [stdout] 8bdcb8f92b72710b821a48b1b0d98e1a7f8dec272144d4a0223a5399737e08b7