[INFO] cloning repository https://github.com/gmrdn/guessing_game
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gmrdn/guessing_game" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgmrdn%2Fguessing_game", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgmrdn%2Fguessing_game'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5386da68f891ef57074653147c0a219e12ad3535
[INFO] documenting gmrdn/guessing_game against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgmrdn%2Fguessing_game" "/workspace/builds/worker-30/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-30/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gmrdn/guessing_game 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 git repo https://github.com/gmrdn/guessing_game
[INFO] finished tweaking git repo https://github.com/gmrdn/guessing_game
[INFO] tweaked toml for git repo https://github.com/gmrdn/guessing_game written to /workspace/builds/worker-30/source/Cargo.toml
[INFO] crate git repo https://github.com/gmrdn/guessing_game 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-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" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 44621aaec891abd796c625f5873ca4c7619d8b41491d740cb4373340f21c4942
[INFO] running `Command { std: "docker" "start" "-a" "44621aaec891abd796c625f5873ca4c7619d8b41491d740cb4373340f21c4942", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "44621aaec891abd796c625f5873ca4c7619d8b41491d740cb4373340f21c4942", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44621aaec891abd796c625f5873ca4c7619d8b41491d740cb4373340f21c4942", kill_on_drop: false }`
[INFO] [stdout] 44621aaec891abd796c625f5873ca4c7619d8b41491d740cb4373340f21c4942
[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" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 463f51227f75613c4f418dfc7dc0036c940f965a7f8edce939cbf707dcb3c3e0
[INFO] running `Command { std: "docker" "start" "-a" "463f51227f75613c4f418dfc7dc0036c940f965a7f8edce939cbf707dcb3c3e0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]  Documenting rectangles v0.1.0 (/opt/rustwide/workdir/rectangles)
[INFO] [stderr]  Documenting structure v0.1.0 (/opt/rustwide/workdir/structure)
[INFO] [stderr]  Documenting slices v0.1.0 (/opt/rustwide/workdir/slices)
[INFO] [stderr]  Documenting ownership v0.1.0 (/opt/rustwide/workdir/ownership)
[INFO] [stderr]  Documenting loops v0.1.0 (/opt/rustwide/workdir/loops)
[INFO] [stderr]  Documenting kata v0.1.0 (/opt/rustwide/workdir/kata)
[INFO] [stderr]  Documenting functions v0.1.0 (/opt/rustwide/workdir/functions)
[INFO] [stderr]  Documenting enums v0.1.0 (/opt/rustwide/workdir/enums)
[INFO] [stderr]  Documenting variables v0.1.0 (/opt/rustwide/workdir/variables)
[INFO] [stderr]  Documenting branches v0.1.0 (/opt/rustwide/workdir/branches)
[INFO] [stderr]  Documenting exercices_ch3 v0.1.0 (/opt/rustwide/workdir/exercices_ch3)
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]  Documenting guessing_game v0.1.0 (/opt/rustwide/workdir/guessing_game)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.80s
[INFO] running `Command { std: "docker" "inspect" "463f51227f75613c4f418dfc7dc0036c940f965a7f8edce939cbf707dcb3c3e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "463f51227f75613c4f418dfc7dc0036c940f965a7f8edce939cbf707dcb3c3e0", kill_on_drop: false }`
[INFO] [stdout] 463f51227f75613c4f418dfc7dc0036c940f965a7f8edce939cbf707dcb3c3e0