[INFO] fetching crate quiz 0.0.3...
[INFO] documenting quiz-0.0.3 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate quiz 0.0.3 into /workspace/builds/worker-38/source
[INFO] validating manifest of crates.io crate quiz 0.0.3 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 quiz 0.0.3
[INFO] finished tweaking crates.io crate quiz 0.0.3
[INFO] tweaked toml for crates.io crate quiz 0.0.3 written to /workspace/builds/worker-38/source/Cargo.toml
[INFO] crate crates.io crate quiz 0.0.3 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 figures-rs v0.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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] f6aacadd68a910b6f38b874035b43fb972ce0c14638d514f59588340da2c2665
[INFO] running `Command { std: "docker" "start" "-a" "f6aacadd68a910b6f38b874035b43fb972ce0c14638d514f59588340da2c2665", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6aacadd68a910b6f38b874035b43fb972ce0c14638d514f59588340da2c2665", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6aacadd68a910b6f38b874035b43fb972ce0c14638d514f59588340da2c2665", kill_on_drop: false }`
[INFO] [stdout] f6aacadd68a910b6f38b874035b43fb972ce0c14638d514f59588340da2c2665
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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] 648fbfa85e04df166f0ca2b67d2a06c6efb181f40d4e84f47dd0c99e4de72550
[INFO] running `Command { std: "docker" "start" "-a" "648fbfa85e04df166f0ca2b67d2a06c6efb181f40d4e84f47dd0c99e4de72550", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking figures-rs v0.0.1
[INFO] [stderr]     Checking termion v1.5.5
[INFO] [stderr]     Checking quiz v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting quiz v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.57s
[INFO] running `Command { std: "docker" "inspect" "648fbfa85e04df166f0ca2b67d2a06c6efb181f40d4e84f47dd0c99e4de72550", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "648fbfa85e04df166f0ca2b67d2a06c6efb181f40d4e84f47dd0c99e4de72550", kill_on_drop: false }`
[INFO] [stdout] 648fbfa85e04df166f0ca2b67d2a06c6efb181f40d4e84f47dd0c99e4de72550
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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] efe7ae0c20ac32d82a42bafd32b5894af5f84ef6b36a7deba8fd8b67a5ea22ca
[INFO] running `Command { std: "docker" "start" "-a" "efe7ae0c20ac32d82a42bafd32b5894af5f84ef6b36a7deba8fd8b67a5ea22ca", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking figures-rs v0.0.1
[INFO] [stderr]     Checking termion v1.5.5
[INFO] [stderr]  Documenting quiz v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.12s
[INFO] running `Command { std: "docker" "inspect" "efe7ae0c20ac32d82a42bafd32b5894af5f84ef6b36a7deba8fd8b67a5ea22ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efe7ae0c20ac32d82a42bafd32b5894af5f84ef6b36a7deba8fd8b67a5ea22ca", kill_on_drop: false }`
[INFO] [stdout] efe7ae0c20ac32d82a42bafd32b5894af5f84ef6b36a7deba8fd8b67a5ea22ca