[INFO] cloning repository https://github.com/kraai/exercise
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kraai/exercise" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkraai%2Fexercise", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkraai%2Fexercise'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a769380d019341f83827ac5dd9e2b26930934692
[INFO] documenting kraai/exercise 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%2Fkraai%2Fexercise" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kraai/exercise 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] removed /workspace/builds/worker-7/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/kraai/exercise
[INFO] finished tweaking git repo https://github.com/kraai/exercise
[INFO] tweaked toml for git repo https://github.com/kraai/exercise written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/kraai/exercise 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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 64179c0208340a020b3883add1c15dfcc7e73b2a3785bfe25aae14573ccaab7f
[INFO] running `Command { std: "docker" "start" "-a" "64179c0208340a020b3883add1c15dfcc7e73b2a3785bfe25aae14573ccaab7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "64179c0208340a020b3883add1c15dfcc7e73b2a3785bfe25aae14573ccaab7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64179c0208340a020b3883add1c15dfcc7e73b2a3785bfe25aae14573ccaab7f", kill_on_drop: false }`
[INFO] [stdout] 64179c0208340a020b3883add1c15dfcc7e73b2a3785bfe25aae14573ccaab7f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 4ae28dd6a90c4af8652d515cfded49db5c28cc2c1a70ecb178d412c753226a1e
[INFO] running `Command { std: "docker" "start" "-a" "4ae28dd6a90c4af8652d515cfded49db5c28cc2c1a70ecb178d412c753226a1e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.106
[INFO] [stderr]     Checking time v0.3.4
[INFO] [stderr]     Checking dirs-sys v0.3.6
[INFO] [stderr]     Checking directories v4.0.1
[INFO] [stderr]  Documenting exercise v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.11s
[INFO] running `Command { std: "docker" "inspect" "4ae28dd6a90c4af8652d515cfded49db5c28cc2c1a70ecb178d412c753226a1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ae28dd6a90c4af8652d515cfded49db5c28cc2c1a70ecb178d412c753226a1e", kill_on_drop: false }`
[INFO] [stdout] 4ae28dd6a90c4af8652d515cfded49db5c28cc2c1a70ecb178d412c753226a1e