[INFO] fetching crate mbryant-aoc2021 0.25.1...
[INFO] documenting mbryant-aoc2021-0.25.1 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate mbryant-aoc2021 0.25.1 into /workspace/builds/worker-30/source
[INFO] validating manifest of crates.io crate mbryant-aoc2021 0.25.1 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 mbryant-aoc2021 0.25.1
[INFO] finished tweaking crates.io crate mbryant-aoc2021 0.25.1
[INFO] tweaked toml for crates.io crate mbryant-aoc2021 0.25.1 written to /workspace/builds/worker-30/source/Cargo.toml
[INFO] crate crates.io crate mbryant-aoc2021 0.25.1 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]  Downloading crates ...
[INFO] [stderr]   Downloaded arrayvec v0.7.2
[INFO] [stderr]   Downloaded argh_derive v0.1.6
[INFO] [stderr]   Downloaded serde_json v1.0.72
[INFO] [stderr]   Downloaded ryu v1.0.6
[INFO] [stderr]   Downloaded bit v0.1.1
[INFO] [stderr]   Downloaded libc v0.2.108
[INFO] [stderr]   Downloaded argh_shared v0.1.6
[INFO] [stderr]   Downloaded argh v0.1.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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] 4ecde192e941333526284fed64c40cea9332bf0c008d2e69701b265fc68a1bba
[INFO] running `Command { std: "docker" "start" "-a" "4ecde192e941333526284fed64c40cea9332bf0c008d2e69701b265fc68a1bba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ecde192e941333526284fed64c40cea9332bf0c008d2e69701b265fc68a1bba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ecde192e941333526284fed64c40cea9332bf0c008d2e69701b265fc68a1bba", kill_on_drop: false }`
[INFO] [stdout] 4ecde192e941333526284fed64c40cea9332bf0c008d2e69701b265fc68a1bba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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] 39eb8550deeb4b682c0a703461ec57c21028978fa3e21c8220b5b0940a90981c
[INFO] running `Command { std: "docker" "start" "-a" "39eb8550deeb4b682c0a703461ec57c21028978fa3e21c8220b5b0940a90981c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling argh_shared v0.1.6
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking bit v0.1.1
[INFO] [stderr]     Checking arrayvec v0.7.2
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]    Compiling argh_derive v0.1.6
[INFO] [stderr]     Checking argh v0.1.6
[INFO] [stderr]  Documenting mbryant-aoc2021 v0.25.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.90s
[INFO] running `Command { std: "docker" "inspect" "39eb8550deeb4b682c0a703461ec57c21028978fa3e21c8220b5b0940a90981c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39eb8550deeb4b682c0a703461ec57c21028978fa3e21c8220b5b0940a90981c", kill_on_drop: false }`
[INFO] [stdout] 39eb8550deeb4b682c0a703461ec57c21028978fa3e21c8220b5b0940a90981c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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] f8aef0aa7bac1c4df5b5fcc6b9e0c8a7a714bfac5c3f2620a5d05a40a6a9f18d
[INFO] running `Command { std: "docker" "start" "-a" "f8aef0aa7bac1c4df5b5fcc6b9e0c8a7a714bfac5c3f2620a5d05a40a6a9f18d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling argh_shared v0.1.6
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking arrayvec v0.7.2
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking bit v0.1.1
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]    Compiling argh_derive v0.1.6
[INFO] [stderr]     Checking argh v0.1.6
[INFO] [stderr]  Documenting mbryant-aoc2021 v0.25.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.04s
[INFO] running `Command { std: "docker" "inspect" "f8aef0aa7bac1c4df5b5fcc6b9e0c8a7a714bfac5c3f2620a5d05a40a6a9f18d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8aef0aa7bac1c4df5b5fcc6b9e0c8a7a714bfac5c3f2620a5d05a40a6a9f18d", kill_on_drop: false }`
[INFO] [stdout] f8aef0aa7bac1c4df5b5fcc6b9e0c8a7a714bfac5c3f2620a5d05a40a6a9f18d