[INFO] fetching crate unicode_names2 0.5.0...
[INFO] documenting unicode_names2-0.5.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate unicode_names2 0.5.0 into /workspace/builds/worker-18/source
[INFO] validating manifest of crates.io crate unicode_names2 0.5.0 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 unicode_names2 0.5.0
[INFO] finished tweaking crates.io crate unicode_names2 0.5.0
[INFO] tweaked toml for crates.io crate unicode_names2 0.5.0 written to /workspace/builds/worker-18/source/Cargo.toml
[INFO] crate crates.io crate unicode_names2 0.5.0 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bitflags v1.0.3
[INFO] [stderr]   Downloaded rand_core v0.2.1
[INFO] [stderr]   Downloaded unicode_names2_macros v0.4.0
[INFO] [stderr]   Downloaded winapi v0.3.5
[INFO] [stderr]   Downloaded rand v0.5.1
[INFO] [stderr]   Downloaded libc v0.2.42
[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] 4672f21830d2a8d74888eea770aedf0bd4648cb4a3ade197b03082eb4b144530
[INFO] running `Command { std: "docker" "start" "-a" "4672f21830d2a8d74888eea770aedf0bd4648cb4a3ade197b03082eb4b144530", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4672f21830d2a8d74888eea770aedf0bd4648cb4a3ade197b03082eb4b144530", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4672f21830d2a8d74888eea770aedf0bd4648cb4a3ade197b03082eb4b144530", kill_on_drop: false }`
[INFO] [stdout] 4672f21830d2a8d74888eea770aedf0bd4648cb4a3ade197b03082eb4b144530
[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] e05d95fa1b100c7ec5c9c4c27cf9a084b97a0f65542bf2c45f9cd5807948a5d9
[INFO] running `Command { std: "docker" "start" "-a" "e05d95fa1b100c7ec5c9c4c27cf9a084b97a0f65542bf2c45f9cd5807948a5d9", kill_on_drop: false }`
[INFO] [stderr]  Documenting unicode_names2 v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.09s
[INFO] running `Command { std: "docker" "inspect" "e05d95fa1b100c7ec5c9c4c27cf9a084b97a0f65542bf2c45f9cd5807948a5d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e05d95fa1b100c7ec5c9c4c27cf9a084b97a0f65542bf2c45f9cd5807948a5d9", kill_on_drop: false }`
[INFO] [stdout] e05d95fa1b100c7ec5c9c4c27cf9a084b97a0f65542bf2c45f9cd5807948a5d9
[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" "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] 3c4cef435d4e7fb35c37ddc3f0480da0887c33f301438943d36d942b6a397f40
[INFO] running `Command { std: "docker" "start" "-a" "3c4cef435d4e7fb35c37ddc3f0480da0887c33f301438943d36d942b6a397f40", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Documenting unicode_names2 v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.92s
[INFO] running `Command { std: "docker" "inspect" "3c4cef435d4e7fb35c37ddc3f0480da0887c33f301438943d36d942b6a397f40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c4cef435d4e7fb35c37ddc3f0480da0887c33f301438943d36d942b6a397f40", kill_on_drop: false }`
[INFO] [stdout] 3c4cef435d4e7fb35c37ddc3f0480da0887c33f301438943d36d942b6a397f40