[INFO] fetching crate merkle-cbt 0.3.2...
[INFO] documenting merkle-cbt-0.3.2 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate merkle-cbt 0.3.2 into /workspace/builds/worker-21/source
[INFO] validating manifest of crates.io crate merkle-cbt 0.3.2 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 merkle-cbt 0.3.2
[INFO] finished tweaking crates.io crate merkle-cbt 0.3.2
[INFO] tweaked toml for crates.io crate merkle-cbt 0.3.2 written to /workspace/builds/worker-21/source/Cargo.toml
[INFO] crate crates.io crate merkle-cbt 0.3.2 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-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] 09d55a4ae59b5c6c1b5a8d53770caa1be8f663999f8f6bf68391e61318480354
[INFO] running `Command { std: "docker" "start" "-a" "09d55a4ae59b5c6c1b5a8d53770caa1be8f663999f8f6bf68391e61318480354", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "09d55a4ae59b5c6c1b5a8d53770caa1be8f663999f8f6bf68391e61318480354", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09d55a4ae59b5c6c1b5a8d53770caa1be8f663999f8f6bf68391e61318480354", kill_on_drop: false }`
[INFO] [stdout] 09d55a4ae59b5c6c1b5a8d53770caa1be8f663999f8f6bf68391e61318480354
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] 4eae71f4a4e6f70d5b0a79b124d1001e30e015147ed37b2a39987082a7e2f667
[INFO] running `Command { std: "docker" "start" "-a" "4eae71f4a4e6f70d5b0a79b124d1001e30e015147ed37b2a39987082a7e2f667", kill_on_drop: false }`
[INFO] [stderr]  Documenting merkle-cbt v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `Command { std: "docker" "inspect" "4eae71f4a4e6f70d5b0a79b124d1001e30e015147ed37b2a39987082a7e2f667", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4eae71f4a4e6f70d5b0a79b124d1001e30e015147ed37b2a39987082a7e2f667", kill_on_drop: false }`
[INFO] [stdout] 4eae71f4a4e6f70d5b0a79b124d1001e30e015147ed37b2a39987082a7e2f667
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] 1761a2c38334d2aafdcd320df2db8b2d6ff9bfd41b889b18f5f208776306ed79
[INFO] running `Command { std: "docker" "start" "-a" "1761a2c38334d2aafdcd320df2db8b2d6ff9bfd41b889b18f5f208776306ed79", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]  Documenting merkle-cbt v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `Command { std: "docker" "inspect" "1761a2c38334d2aafdcd320df2db8b2d6ff9bfd41b889b18f5f208776306ed79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1761a2c38334d2aafdcd320df2db8b2d6ff9bfd41b889b18f5f208776306ed79", kill_on_drop: false }`
[INFO] [stdout] 1761a2c38334d2aafdcd320df2db8b2d6ff9bfd41b889b18f5f208776306ed79