[INFO] fetching crate vboxhelper 0.3.3...
[INFO] documenting vboxhelper-0.3.3 against 1.75.0 for beta-1.76-rustdoc-2
[INFO] extracting crate vboxhelper 0.3.3 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate vboxhelper 0.3.3 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 crates.io crate vboxhelper 0.3.3
[INFO] finished tweaking crates.io crate vboxhelper 0.3.3
[INFO] tweaked toml for crates.io crate vboxhelper 0.3.3 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate vboxhelper 0.3.3 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded eui48 v1.1.0
[INFO] [stderr]   Downloaded uuid v0.8.2
[INFO] [stderr]   Downloaded regex v1.5.4
[INFO] [stderr]   Downloaded regex-syntax v0.6.25
[INFO] [stderr]   Downloaded aho-corasick v0.7.18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] a30c3719f729b1380493f5525299f4e2c61a28c4105f1c3ff82f1edeb0e03d92
[INFO] running `Command { std: "docker" "start" "-a" "a30c3719f729b1380493f5525299f4e2c61a28c4105f1c3ff82f1edeb0e03d92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a30c3719f729b1380493f5525299f4e2c61a28c4105f1c3ff82f1edeb0e03d92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a30c3719f729b1380493f5525299f4e2c61a28c4105f1c3ff82f1edeb0e03d92", kill_on_drop: false }`
[INFO] [stdout] a30c3719f729b1380493f5525299f4e2c61a28c4105f1c3ff82f1edeb0e03d92
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 5a3424d8b56d4056249bf2768ecb6abdc227cc6e4bfcf33de29edf9e87c5018d
[INFO] running `Command { std: "docker" "start" "-a" "5a3424d8b56d4056249bf2768ecb6abdc227cc6e4bfcf33de29edf9e87c5018d", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking eui48 v1.1.0
[INFO] [stderr]  Documenting vboxhelper v0.3.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.39s
[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/vboxhelper/index.html
[INFO] running `Command { std: "docker" "inspect" "5a3424d8b56d4056249bf2768ecb6abdc227cc6e4bfcf33de29edf9e87c5018d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a3424d8b56d4056249bf2768ecb6abdc227cc6e4bfcf33de29edf9e87c5018d", kill_on_drop: false }`
[INFO] [stdout] 5a3424d8b56d4056249bf2768ecb6abdc227cc6e4bfcf33de29edf9e87c5018d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=1" "-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" "rustdoc" "--lib" "-Zrustdoc-map" "-Z" "unstable-options" "--config" "build.rustdocflags=[\"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f77e03d48e69b2cc394fc1a12f1506a5935acf591b8519e81ceaaed84686045
[INFO] running `Command { std: "docker" "start" "-a" "8f77e03d48e69b2cc394fc1a12f1506a5935acf591b8519e81ceaaed84686045", kill_on_drop: false }`
[INFO] [stderr]  Documenting vboxhelper v0.3.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
[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/vboxhelper/index.html
[INFO] running `Command { std: "docker" "inspect" "8f77e03d48e69b2cc394fc1a12f1506a5935acf591b8519e81ceaaed84686045", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f77e03d48e69b2cc394fc1a12f1506a5935acf591b8519e81ceaaed84686045", kill_on_drop: false }`
[INFO] [stdout] 8f77e03d48e69b2cc394fc1a12f1506a5935acf591b8519e81ceaaed84686045