[INFO] fetching crate accept-encoding-fork 0.2.0-alpha.3...
[INFO] documenting accept-encoding-fork-0.2.0-alpha.3 against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] extracting crate accept-encoding-fork 0.2.0-alpha.3 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate accept-encoding-fork 0.2.0-alpha.3 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate accept-encoding-fork 0.2.0-alpha.3
[INFO] finished tweaking crates.io crate accept-encoding-fork 0.2.0-alpha.3
[INFO] tweaked toml for crates.io crate accept-encoding-fork 0.2.0-alpha.3 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] efb6739d83713b47eefee21733e18a4910c458e3925767b7b3ddb1a31d736a5d
[INFO] running `Command { std: "docker" "start" "-a" "efb6739d83713b47eefee21733e18a4910c458e3925767b7b3ddb1a31d736a5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "efb6739d83713b47eefee21733e18a4910c458e3925767b7b3ddb1a31d736a5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efb6739d83713b47eefee21733e18a4910c458e3925767b7b3ddb1a31d736a5d", kill_on_drop: false }`
[INFO] [stdout] efb6739d83713b47eefee21733e18a4910c458e3925767b7b3ddb1a31d736a5d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5678e742b719468995fd1551432e25105f8d32238b4b23f41fc7091fea897ed6
[INFO] running `Command { std: "docker" "start" "-a" "5678e742b719468995fd1551432e25105f8d32238b4b23f41fc7091fea897ed6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]     Checking backtrace v0.3.61
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]  Documenting accept-encoding-fork v0.2.0-alpha.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.05s
[INFO] running `Command { std: "docker" "inspect" "5678e742b719468995fd1551432e25105f8d32238b4b23f41fc7091fea897ed6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5678e742b719468995fd1551432e25105f8d32238b4b23f41fc7091fea897ed6", kill_on_drop: false }`
[INFO] [stdout] 5678e742b719468995fd1551432e25105f8d32238b4b23f41fc7091fea897ed6
