[INFO] fetching crate multiref 0.1.2...
[INFO] documenting multiref-0.1.2 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate multiref 0.1.2 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate multiref 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 multiref 0.1.2
[INFO] finished tweaking crates.io crate multiref 0.1.2
[INFO] tweaked toml for crates.io crate multiref 0.1.2 written to /workspace/builds/worker-3/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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] a4244e5fe1f4644226cc8fcd8ae264b18ce41b40bca8738566d92a52c795917d
[INFO] running `Command { std: "docker" "start" "-a" "a4244e5fe1f4644226cc8fcd8ae264b18ce41b40bca8738566d92a52c795917d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a4244e5fe1f4644226cc8fcd8ae264b18ce41b40bca8738566d92a52c795917d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4244e5fe1f4644226cc8fcd8ae264b18ce41b40bca8738566d92a52c795917d", kill_on_drop: false }`
[INFO] [stdout] a4244e5fe1f4644226cc8fcd8ae264b18ce41b40bca8738566d92a52c795917d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 0a7ea6c8e1c014ec7869ace04a9d38c44f63cc5181f8fe973de21c315b222cf1
[INFO] running `Command { std: "docker" "start" "-a" "0a7ea6c8e1c014ec7869ace04a9d38c44f63cc5181f8fe973de21c315b222cf1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Documenting multiref v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.29s
[INFO] running `Command { std: "docker" "inspect" "0a7ea6c8e1c014ec7869ace04a9d38c44f63cc5181f8fe973de21c315b222cf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a7ea6c8e1c014ec7869ace04a9d38c44f63cc5181f8fe973de21c315b222cf1", kill_on_drop: false }`
[INFO] [stdout] 0a7ea6c8e1c014ec7869ace04a9d38c44f63cc5181f8fe973de21c315b222cf1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 7a63cf97e3563d1df70daff85bf41eb8a926fb3754c162eb36e9d65b8cd89e25
[INFO] running `Command { std: "docker" "start" "-a" "7a63cf97e3563d1df70daff85bf41eb8a926fb3754c162eb36e9d65b8cd89e25", kill_on_drop: false }`
[INFO] [stderr]  Documenting multiref v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "7a63cf97e3563d1df70daff85bf41eb8a926fb3754c162eb36e9d65b8cd89e25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a63cf97e3563d1df70daff85bf41eb8a926fb3754c162eb36e9d65b8cd89e25", kill_on_drop: false }`
[INFO] [stdout] 7a63cf97e3563d1df70daff85bf41eb8a926fb3754c162eb36e9d65b8cd89e25