[INFO] fetching crate dotium 0.1.6...
[INFO] documenting dotium-0.1.6 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate dotium 0.1.6 into /workspace/builds/worker-56/source
[INFO] validating manifest of crates.io crate dotium 0.1.6 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 dotium 0.1.6
[INFO] finished tweaking crates.io crate dotium 0.1.6
[INFO] tweaked toml for crates.io crate dotium 0.1.6 written to /workspace/builds/worker-56/source/Cargo.toml
[INFO] crate crates.io crate dotium 0.1.6 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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] 8cd5581c63962f70dcd5205b826ade41a6627e16979aabe9152898d0651217fb
[INFO] running `Command { std: "docker" "start" "-a" "8cd5581c63962f70dcd5205b826ade41a6627e16979aabe9152898d0651217fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8cd5581c63962f70dcd5205b826ade41a6627e16979aabe9152898d0651217fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cd5581c63962f70dcd5205b826ade41a6627e16979aabe9152898d0651217fb", kill_on_drop: false }`
[INFO] [stdout] 8cd5581c63962f70dcd5205b826ade41a6627e16979aabe9152898d0651217fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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] 57d23c5c404bb3476b9e5b5aaf2793360fc46c902fb5a815da575a82f6ba7d9b
[INFO] running `Command { std: "docker" "start" "-a" "57d23c5c404bb3476b9e5b5aaf2793360fc46c902fb5a815da575a82f6ba7d9b", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.4
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[INFO] [stderr]    Compiling phf_generator v0.10.0
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[INFO] [stderr]    Compiling find-crate v0.6.3
[INFO] [stderr]    Compiling i18n-config v0.4.2
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[INFO] [stderr]     Checking age v0.8.0
[INFO] [stderr]  Documenting dotium v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 18s
[INFO] running `Command { std: "docker" "inspect" "57d23c5c404bb3476b9e5b5aaf2793360fc46c902fb5a815da575a82f6ba7d9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57d23c5c404bb3476b9e5b5aaf2793360fc46c902fb5a815da575a82f6ba7d9b", kill_on_drop: false }`
[INFO] [stdout] 57d23c5c404bb3476b9e5b5aaf2793360fc46c902fb5a815da575a82f6ba7d9b