[INFO] cloning repository https://github.com/dcorking/bignumbertoy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dcorking/bignumbertoy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdcorking%2Fbignumbertoy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdcorking%2Fbignumbertoy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ed95f54386cf5f41d43460363ca75c7beba83776
[INFO] documenting dcorking/bignumbertoy 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%2Fdcorking%2Fbignumbertoy" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dcorking/bignumbertoy 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/dcorking/bignumbertoy
[INFO] finished tweaking git repo https://github.com/dcorking/bignumbertoy
[INFO] tweaked toml for git repo https://github.com/dcorking/bignumbertoy written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/dcorking/bignumbertoy 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 num-iter v0.1.35
[INFO] [stderr]   Downloaded num-integer v0.1.36
[INFO] [stderr]   Downloaded num-traits v0.2.1
[INFO] [stderr]   Downloaded num-bigint v0.1.43
[INFO] [stderr]   Downloaded winapi v0.3.4
[INFO] [stderr]   Downloaded bigdecimal v0.0.10
[INFO] [stderr]   Downloaded libc v0.2.37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] d1a80ab48544e1f6fea3ab6a0dfce557e99561e7d152b264a7fbd888ac3d3c50
[INFO] running `Command { std: "docker" "start" "-a" "d1a80ab48544e1f6fea3ab6a0dfce557e99561e7d152b264a7fbd888ac3d3c50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d1a80ab48544e1f6fea3ab6a0dfce557e99561e7d152b264a7fbd888ac3d3c50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1a80ab48544e1f6fea3ab6a0dfce557e99561e7d152b264a7fbd888ac3d3c50", kill_on_drop: false }`
[INFO] [stdout] d1a80ab48544e1f6fea3ab6a0dfce557e99561e7d152b264a7fbd888ac3d3c50
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 45079108abfc287a485f32a98d3ab7d632ad7f3e674695e1c5ee49721e038184
[INFO] running `Command { std: "docker" "start" "-a" "45079108abfc287a485f32a98d3ab7d632ad7f3e674695e1c5ee49721e038184", kill_on_drop: false }`
[INFO] [stderr]     Checking num-traits v0.2.1
[INFO] [stderr]     Checking libc v0.2.37
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking num-integer v0.1.36
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking num-iter v0.1.35
[INFO] [stderr]     Checking num-bigint v0.1.43
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking bigdecimal v0.0.10
[INFO] [stderr]  Documenting bignumbertoy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.32s
[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/bignumbertoy/index.html
[INFO] running `Command { std: "docker" "inspect" "45079108abfc287a485f32a98d3ab7d632ad7f3e674695e1c5ee49721e038184", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45079108abfc287a485f32a98d3ab7d632ad7f3e674695e1c5ee49721e038184", kill_on_drop: false }`
[INFO] [stdout] 45079108abfc287a485f32a98d3ab7d632ad7f3e674695e1c5ee49721e038184