[INFO] fetching crate sandbox_guessing_game 0.1.3...
[INFO] documenting sandbox_guessing_game-0.1.3 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate sandbox_guessing_game 0.1.3 into /workspace/builds/worker-22/source
[INFO] validating manifest of crates.io crate sandbox_guessing_game 0.1.3 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 sandbox_guessing_game 0.1.3
[INFO] finished tweaking crates.io crate sandbox_guessing_game 0.1.3
[INFO] tweaked toml for crates.io crate sandbox_guessing_game 0.1.3 written to /workspace/builds/worker-22/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] 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-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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] f17e59fd4cd3d3d8a9d882aed715440f36535f9e8c024277c8384f378a7d3c41
[INFO] running `Command { std: "docker" "start" "-a" "f17e59fd4cd3d3d8a9d882aed715440f36535f9e8c024277c8384f378a7d3c41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f17e59fd4cd3d3d8a9d882aed715440f36535f9e8c024277c8384f378a7d3c41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f17e59fd4cd3d3d8a9d882aed715440f36535f9e8c024277c8384f378a7d3c41", kill_on_drop: false }`
[INFO] [stdout] f17e59fd4cd3d3d8a9d882aed715440f36535f9e8c024277c8384f378a7d3c41
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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] 1eab42772f92589e3f04f21688e2a7e715765aff8a2b81cc64650c24bba9590f
[INFO] running `Command { std: "docker" "start" "-a" "1eab42772f92589e3f04f21688e2a7e715765aff8a2b81cc64650c24bba9590f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]  Documenting sandbox_guessing_game v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.71s
[INFO] running `Command { std: "docker" "inspect" "1eab42772f92589e3f04f21688e2a7e715765aff8a2b81cc64650c24bba9590f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1eab42772f92589e3f04f21688e2a7e715765aff8a2b81cc64650c24bba9590f", kill_on_drop: false }`
[INFO] [stdout] 1eab42772f92589e3f04f21688e2a7e715765aff8a2b81cc64650c24bba9590f