[INFO] fetching crate format-core 0.2.4...
[INFO] documenting format-core-0.2.4 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate format-core 0.2.4 into /workspace/builds/worker-51/source
[INFO] validating manifest of crates.io crate format-core 0.2.4 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 format-core 0.2.4
[INFO] finished tweaking crates.io crate format-core 0.2.4
[INFO] tweaked toml for crates.io crate format-core 0.2.4 written to /workspace/builds/worker-51/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-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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] c4638e78d903161d375e7360c5b9fca3969d2f0fcc5a63048a9ce64bceabb525
[INFO] running `Command { std: "docker" "start" "-a" "c4638e78d903161d375e7360c5b9fca3969d2f0fcc5a63048a9ce64bceabb525", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c4638e78d903161d375e7360c5b9fca3969d2f0fcc5a63048a9ce64bceabb525", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4638e78d903161d375e7360c5b9fca3969d2f0fcc5a63048a9ce64bceabb525", kill_on_drop: false }`
[INFO] [stdout] c4638e78d903161d375e7360c5b9fca3969d2f0fcc5a63048a9ce64bceabb525
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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] ab74b93d5ae351baef87c050957dbd6a9cf41457077ff5ce3d1e69e3801632e3
[INFO] running `Command { std: "docker" "start" "-a" "ab74b93d5ae351baef87c050957dbd6a9cf41457077ff5ce3d1e69e3801632e3", kill_on_drop: false }`
[INFO] [stderr]  Documenting format-core v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.50s
[INFO] running `Command { std: "docker" "inspect" "ab74b93d5ae351baef87c050957dbd6a9cf41457077ff5ce3d1e69e3801632e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab74b93d5ae351baef87c050957dbd6a9cf41457077ff5ce3d1e69e3801632e3", kill_on_drop: false }`
[INFO] [stdout] ab74b93d5ae351baef87c050957dbd6a9cf41457077ff5ce3d1e69e3801632e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=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] 03bbc490dfc7650212d55a523da23408b9732d48c50e016f0e38a30e0b809a57
[INFO] running `Command { std: "docker" "start" "-a" "03bbc490dfc7650212d55a523da23408b9732d48c50e016f0e38a30e0b809a57", kill_on_drop: false }`
[INFO] [stderr]  Documenting format-core v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `Command { std: "docker" "inspect" "03bbc490dfc7650212d55a523da23408b9732d48c50e016f0e38a30e0b809a57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03bbc490dfc7650212d55a523da23408b9732d48c50e016f0e38a30e0b809a57", kill_on_drop: false }`
[INFO] [stdout] 03bbc490dfc7650212d55a523da23408b9732d48c50e016f0e38a30e0b809a57