[INFO] fetching crate chess-engine 0.1.2...
[INFO] documenting chess-engine-0.1.2 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate chess-engine 0.1.2 into /workspace/builds/worker-99/source
[INFO] validating manifest of crates.io crate chess-engine 0.1.2 on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate chess-engine 0.1.2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate chess-engine 0.1.2
[INFO] tweaked toml for crates.io crate chess-engine 0.1.2 written to /workspace/builds/worker-99/source/Cargo.toml
[INFO] crate crates.io crate chess-engine 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ca31c4e0fecaf19d91a33091af1a09de42c0e0aeea21c3a245c055261e1a25cc
[INFO] running `Command { std: "docker" "start" "-a" "ca31c4e0fecaf19d91a33091af1a09de42c0e0aeea21c3a245c055261e1a25cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca31c4e0fecaf19d91a33091af1a09de42c0e0aeea21c3a245c055261e1a25cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca31c4e0fecaf19d91a33091af1a09de42c0e0aeea21c3a245c055261e1a25cc", kill_on_drop: false }`
[INFO] [stdout] ca31c4e0fecaf19d91a33091af1a09de42c0e0aeea21c3a245c055261e1a25cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e1e7dc1794775bcb1dc7fe4f576af320e564a90d5d78c1ad497014063698d3b
[INFO] running `Command { std: "docker" "start" "-a" "9e1e7dc1794775bcb1dc7fe4f576af320e564a90d5d78c1ad497014063698d3b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking chess-engine v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting chess-engine v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.16s
[INFO] running `Command { std: "docker" "inspect" "9e1e7dc1794775bcb1dc7fe4f576af320e564a90d5d78c1ad497014063698d3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e1e7dc1794775bcb1dc7fe4f576af320e564a90d5d78c1ad497014063698d3b", kill_on_drop: false }`
[INFO] [stdout] 9e1e7dc1794775bcb1dc7fe4f576af320e564a90d5d78c1ad497014063698d3b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] daaf4bd60b132a96e1715af31e201b333caf29ee9e2b8f1e885fd75f9d1d78ce
[INFO] running `Command { std: "docker" "start" "-a" "daaf4bd60b132a96e1715af31e201b333caf29ee9e2b8f1e885fd75f9d1d78ce", kill_on_drop: false }`
[INFO] [stderr]  Documenting chess-engine v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "daaf4bd60b132a96e1715af31e201b333caf29ee9e2b8f1e885fd75f9d1d78ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "daaf4bd60b132a96e1715af31e201b333caf29ee9e2b8f1e885fd75f9d1d78ce", kill_on_drop: false }`
[INFO] [stdout] daaf4bd60b132a96e1715af31e201b333caf29ee9e2b8f1e885fd75f9d1d78ce