[INFO] fetching crate is-root 0.1.2...
[INFO] documenting is-root-0.1.2 against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] extracting crate is-root 0.1.2 into /workspace/builds/worker-37/source
[INFO] validating manifest of crates.io crate is-root 0.1.2 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 is-root 0.1.2
[INFO] finished tweaking crates.io crate is-root 0.1.2
[INFO] tweaked toml for crates.io crate is-root 0.1.2 written to /workspace/builds/worker-37/source/Cargo.toml
[INFO] crate crates.io crate is-root 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded users v0.10.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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] c2ccee2c44e2e8f3afd76b5f92f6c944350c9c05e9d46d5c960e62d95f03cc91
[INFO] running `Command { std: "docker" "start" "-a" "c2ccee2c44e2e8f3afd76b5f92f6c944350c9c05e9d46d5c960e62d95f03cc91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c2ccee2c44e2e8f3afd76b5f92f6c944350c9c05e9d46d5c960e62d95f03cc91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2ccee2c44e2e8f3afd76b5f92f6c944350c9c05e9d46d5c960e62d95f03cc91", kill_on_drop: false }`
[INFO] [stdout] c2ccee2c44e2e8f3afd76b5f92f6c944350c9c05e9d46d5c960e62d95f03cc91
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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] 73fea36d99e9b2a48a4eb681bcde0e9316ec3ca9da8ad45c5ce5360a7075b74d
[INFO] running `Command { std: "docker" "start" "-a" "73fea36d99e9b2a48a4eb681bcde0e9316ec3ca9da8ad45c5ce5360a7075b74d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking users v0.10.0
[INFO] [stderr]  Documenting is-root v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.79s
[INFO] running `Command { std: "docker" "inspect" "73fea36d99e9b2a48a4eb681bcde0e9316ec3ca9da8ad45c5ce5360a7075b74d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73fea36d99e9b2a48a4eb681bcde0e9316ec3ca9da8ad45c5ce5360a7075b74d", kill_on_drop: false }`
[INFO] [stdout] 73fea36d99e9b2a48a4eb681bcde0e9316ec3ca9da8ad45c5ce5360a7075b74d
