[INFO] fetching crate sift4 0.1.4...
[INFO] documenting sift4-0.1.4 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate sift4 0.1.4 into /workspace/builds/worker-24/source
[INFO] validating manifest of crates.io crate sift4 0.1.4 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 sift4 0.1.4
[INFO] finished tweaking crates.io crate sift4 0.1.4
[INFO] tweaked toml for crates.io crate sift4 0.1.4 written to /workspace/builds/worker-24/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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] 26fd04cef6f142f9b6445c8d2ab2a50a5b932b39122fa74f5783f65b99d4543c
[INFO] running `Command { std: "docker" "start" "-a" "26fd04cef6f142f9b6445c8d2ab2a50a5b932b39122fa74f5783f65b99d4543c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "26fd04cef6f142f9b6445c8d2ab2a50a5b932b39122fa74f5783f65b99d4543c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26fd04cef6f142f9b6445c8d2ab2a50a5b932b39122fa74f5783f65b99d4543c", kill_on_drop: false }`
[INFO] [stdout] 26fd04cef6f142f9b6445c8d2ab2a50a5b932b39122fa74f5783f65b99d4543c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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] 39310204442edb13e516cb55c55e86b80e8e7c35e11ff7df7154a8e6986d2422
[INFO] running `Command { std: "docker" "start" "-a" "39310204442edb13e516cb55c55e86b80e8e7c35e11ff7df7154a8e6986d2422", kill_on_drop: false }`
[INFO] [stderr]  Documenting sift4 v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `Command { std: "docker" "inspect" "39310204442edb13e516cb55c55e86b80e8e7c35e11ff7df7154a8e6986d2422", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39310204442edb13e516cb55c55e86b80e8e7c35e11ff7df7154a8e6986d2422", kill_on_drop: false }`
[INFO] [stdout] 39310204442edb13e516cb55c55e86b80e8e7c35e11ff7df7154a8e6986d2422
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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] b1b3a57f3f2d5f9252f369c724de77247d1954c71e656a3720e60d9558c86e83
[INFO] running `Command { std: "docker" "start" "-a" "b1b3a57f3f2d5f9252f369c724de77247d1954c71e656a3720e60d9558c86e83", kill_on_drop: false }`
[INFO] [stderr]  Documenting sift4 v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "b1b3a57f3f2d5f9252f369c724de77247d1954c71e656a3720e60d9558c86e83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1b3a57f3f2d5f9252f369c724de77247d1954c71e656a3720e60d9558c86e83", kill_on_drop: false }`
[INFO] [stdout] b1b3a57f3f2d5f9252f369c724de77247d1954c71e656a3720e60d9558c86e83