[INFO] fetching crate confusion_matrix 1.0.0...
[INFO] documenting confusion_matrix-1.0.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate confusion_matrix 1.0.0 into /workspace/builds/worker-18/source
[INFO] validating manifest of crates.io crate confusion_matrix 1.0.0 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 confusion_matrix 1.0.0
[INFO] finished tweaking crates.io crate confusion_matrix 1.0.0
[INFO] tweaked toml for crates.io crate confusion_matrix 1.0.0 written to /workspace/builds/worker-18/source/Cargo.toml
[INFO] crate crates.io crate confusion_matrix 1.0.0 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-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] 51da59ed50e3220cbc248ec4553346a06b77d61be4efb134d643aa185e1ed515
[INFO] running `Command { std: "docker" "start" "-a" "51da59ed50e3220cbc248ec4553346a06b77d61be4efb134d643aa185e1ed515", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "51da59ed50e3220cbc248ec4553346a06b77d61be4efb134d643aa185e1ed515", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51da59ed50e3220cbc248ec4553346a06b77d61be4efb134d643aa185e1ed515", kill_on_drop: false }`
[INFO] [stdout] 51da59ed50e3220cbc248ec4553346a06b77d61be4efb134d643aa185e1ed515
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] 99f6500f8ce6f4f492311ac4d213d18e25cf339aef6eebaddd265475339ad581
[INFO] running `Command { std: "docker" "start" "-a" "99f6500f8ce6f4f492311ac4d213d18e25cf339aef6eebaddd265475339ad581", kill_on_drop: false }`
[INFO] [stderr]  Documenting confusion_matrix v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.30s
[INFO] running `Command { std: "docker" "inspect" "99f6500f8ce6f4f492311ac4d213d18e25cf339aef6eebaddd265475339ad581", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99f6500f8ce6f4f492311ac4d213d18e25cf339aef6eebaddd265475339ad581", kill_on_drop: false }`
[INFO] [stdout] 99f6500f8ce6f4f492311ac4d213d18e25cf339aef6eebaddd265475339ad581
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] 91f5d6dcbfc5ab9aa9527baa4c681d74e189ef8d2a56ca1409ef0cd85c18b9c4
[INFO] running `Command { std: "docker" "start" "-a" "91f5d6dcbfc5ab9aa9527baa4c681d74e189ef8d2a56ca1409ef0cd85c18b9c4", kill_on_drop: false }`
[INFO] [stderr]  Documenting confusion_matrix v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.21s
[INFO] running `Command { std: "docker" "inspect" "91f5d6dcbfc5ab9aa9527baa4c681d74e189ef8d2a56ca1409ef0cd85c18b9c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91f5d6dcbfc5ab9aa9527baa4c681d74e189ef8d2a56ca1409ef0cd85c18b9c4", kill_on_drop: false }`
[INFO] [stdout] 91f5d6dcbfc5ab9aa9527baa4c681d74e189ef8d2a56ca1409ef0cd85c18b9c4