[INFO] fetching crate elementtree 0.5.0...
[INFO] documenting elementtree-0.5.0 against 1.54.0 for beta-1.55-rustdoc-1
[INFO] extracting crate elementtree 0.5.0 into /workspace/builds/worker-60/source
[INFO] validating manifest of crates.io crate elementtree 0.5.0 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate elementtree 0.5.0
[INFO] finished tweaking crates.io crate elementtree 0.5.0
[INFO] tweaked toml for crates.io crate elementtree 0.5.0 written to /workspace/builds/worker-60/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] df973d53bad5f5d235d961f200df74c767d0f8f0e8a4b7f53b8a196b3a6b7374
[INFO] running `Command { std: "docker" "start" "-a" "df973d53bad5f5d235d961f200df74c767d0f8f0e8a4b7f53b8a196b3a6b7374", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "df973d53bad5f5d235d961f200df74c767d0f8f0e8a4b7f53b8a196b3a6b7374", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df973d53bad5f5d235d961f200df74c767d0f8f0e8a4b7f53b8a196b3a6b7374", kill_on_drop: false }`
[INFO] [stdout] df973d53bad5f5d235d961f200df74c767d0f8f0e8a4b7f53b8a196b3a6b7374
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/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" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 949b7c303ec1f44ccad41bfefb786ccd62427dca1d84b73083c9c7a248ad5c3d
[INFO] running `Command { std: "docker" "start" "-a" "949b7c303ec1f44ccad41bfefb786ccd62427dca1d84b73083c9c7a248ad5c3d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]     Checking xml-rs v0.8.4
[INFO] [stderr]     Checking string_cache v0.8.1
[INFO] [stderr]  Documenting elementtree v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.27s
[INFO] running `Command { std: "docker" "inspect" "949b7c303ec1f44ccad41bfefb786ccd62427dca1d84b73083c9c7a248ad5c3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "949b7c303ec1f44ccad41bfefb786ccd62427dca1d84b73083c9c7a248ad5c3d", kill_on_drop: false }`
[INFO] [stdout] 949b7c303ec1f44ccad41bfefb786ccd62427dca1d84b73083c9c7a248ad5c3d
