[INFO] fetching crate mailchecker 4.1.17...
[INFO] documenting mailchecker-4.1.17 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate mailchecker 4.1.17 into /workspace/builds/worker-28/source
[INFO] validating manifest of crates.io crate mailchecker 4.1.17 on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mailchecker 4.1.17
[INFO] finished tweaking crates.io crate mailchecker 4.1.17
[INFO] tweaked toml for crates.io crate mailchecker 4.1.17 written to /workspace/builds/worker-28/source/Cargo.toml
[INFO] crate crates.io crate mailchecker 4.1.17 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5b8b85bfc05c70a0747939033bb7303530bb0c73aa0c315c19504ababa881ad5
[INFO] running `Command { std: "docker" "start" "-a" "5b8b85bfc05c70a0747939033bb7303530bb0c73aa0c315c19504ababa881ad5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b8b85bfc05c70a0747939033bb7303530bb0c73aa0c315c19504ababa881ad5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b8b85bfc05c70a0747939033bb7303530bb0c73aa0c315c19504ababa881ad5", kill_on_drop: false }`
[INFO] [stdout] 5b8b85bfc05c70a0747939033bb7303530bb0c73aa0c315c19504ababa881ad5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ee01c805a456295d0460bd08e94256795462a16a0c5ac767e0ba57847ffeb77
[INFO] running `Command { std: "docker" "start" "-a" "0ee01c805a456295d0460bd08e94256795462a16a0c5ac767e0ba57847ffeb77", kill_on_drop: false }`
[INFO] [stderr]     Checking ascii_utils v0.9.3
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking fast_chemail v0.9.6
[INFO] [stderr]  Documenting mailchecker v4.1.17 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.58s
[INFO] running `Command { std: "docker" "inspect" "0ee01c805a456295d0460bd08e94256795462a16a0c5ac767e0ba57847ffeb77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ee01c805a456295d0460bd08e94256795462a16a0c5ac767e0ba57847ffeb77", kill_on_drop: false }`
[INFO] [stdout] 0ee01c805a456295d0460bd08e94256795462a16a0c5ac767e0ba57847ffeb77
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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" "+beta-2022-05-20" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] c5a49bafad8a8b53d36b1b0d789239b5668ab2717eda197f78063e6c2d304c6f
[INFO] running `Command { std: "docker" "start" "-a" "c5a49bafad8a8b53d36b1b0d789239b5668ab2717eda197f78063e6c2d304c6f", kill_on_drop: false }`
[INFO] [stderr]     Checking ascii_utils v0.9.3
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking fast_chemail v0.9.6
[INFO] [stderr]  Documenting mailchecker v4.1.17 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.04s
[INFO] running `Command { std: "docker" "inspect" "c5a49bafad8a8b53d36b1b0d789239b5668ab2717eda197f78063e6c2d304c6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5a49bafad8a8b53d36b1b0d789239b5668ab2717eda197f78063e6c2d304c6f", kill_on_drop: false }`
[INFO] [stdout] c5a49bafad8a8b53d36b1b0d789239b5668ab2717eda197f78063e6c2d304c6f