[INFO] crate palindrome 0.1.1 is already in cache
[INFO] documenting palindrome-0.1.1 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate palindrome 0.1.1 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate palindrome 0.1.1 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 palindrome 0.1.1
[INFO] finished tweaking crates.io crate palindrome 0.1.1
[INFO] tweaked toml for crates.io crate palindrome 0.1.1 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "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" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 416ccaf4dcb6fad7292e1dbea0523e8361a2502e0ba89e8915deb039fdfbb0da
[INFO] running `Command { std: "docker" "start" "-a" "416ccaf4dcb6fad7292e1dbea0523e8361a2502e0ba89e8915deb039fdfbb0da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "416ccaf4dcb6fad7292e1dbea0523e8361a2502e0ba89e8915deb039fdfbb0da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "416ccaf4dcb6fad7292e1dbea0523e8361a2502e0ba89e8915deb039fdfbb0da", kill_on_drop: false }`
[INFO] [stdout] 416ccaf4dcb6fad7292e1dbea0523e8361a2502e0ba89e8915deb039fdfbb0da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 2844d59e8d69426388ebba7ed51dbca48edf3972cbeeac1e16924b5420ad8d9b
[INFO] running `Command { std: "docker" "start" "-a" "2844d59e8d69426388ebba7ed51dbca48edf3972cbeeac1e16924b5420ad8d9b", kill_on_drop: false }`
[INFO] [stderr]  Documenting palindrome v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.13s
[INFO] running `Command { std: "docker" "inspect" "2844d59e8d69426388ebba7ed51dbca48edf3972cbeeac1e16924b5420ad8d9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2844d59e8d69426388ebba7ed51dbca48edf3972cbeeac1e16924b5420ad8d9b", kill_on_drop: false }`
[INFO] [stdout] 2844d59e8d69426388ebba7ed51dbca48edf3972cbeeac1e16924b5420ad8d9b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] bc6a3ec1679f8714552819a752a3b25906e6e68d31c90504fce00c88a998f65a
[INFO] running `Command { std: "docker" "start" "-a" "bc6a3ec1679f8714552819a752a3b25906e6e68d31c90504fce00c88a998f65a", kill_on_drop: false }`
[INFO] [stderr]  Documenting palindrome v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "bc6a3ec1679f8714552819a752a3b25906e6e68d31c90504fce00c88a998f65a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc6a3ec1679f8714552819a752a3b25906e6e68d31c90504fce00c88a998f65a", kill_on_drop: false }`
[INFO] [stdout] bc6a3ec1679f8714552819a752a3b25906e6e68d31c90504fce00c88a998f65a