[INFO] cloning repository https://github.com/j-fro/rust-book-greprs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/j-fro/rust-book-greprs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fj-fro%2Frust-book-greprs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fj-fro%2Frust-book-greprs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e49f75ee384cb2ee5461e1f7583d3565941fd663
[INFO] documenting j-fro/rust-book-greprs against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fj-fro%2Frust-book-greprs" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/j-fro/rust-book-greprs on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/j-fro/rust-book-greprs
[INFO] finished tweaking git repo https://github.com/j-fro/rust-book-greprs
[INFO] tweaked toml for git repo https://github.com/j-fro/rust-book-greprs written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/j-fro/rust-book-greprs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 066b24f0d6a258a6198f576d040943d9f60a724b432fa923e3c48f8bf6539e28
[INFO] running `Command { std: "docker" "start" "-a" "066b24f0d6a258a6198f576d040943d9f60a724b432fa923e3c48f8bf6539e28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "066b24f0d6a258a6198f576d040943d9f60a724b432fa923e3c48f8bf6539e28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "066b24f0d6a258a6198f576d040943d9f60a724b432fa923e3c48f8bf6539e28", kill_on_drop: false }`
[INFO] [stdout] 066b24f0d6a258a6198f576d040943d9f60a724b432fa923e3c48f8bf6539e28
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 679b95f0867e727d637c933a078e71cc141df6fd84f0d96904603f7b10e61e06
[INFO] running `Command { std: "docker" "start" "-a" "679b95f0867e727d637c933a078e71cc141df6fd84f0d96904603f7b10e61e06", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Documenting greprs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.38s
[INFO] running `Command { std: "docker" "inspect" "679b95f0867e727d637c933a078e71cc141df6fd84f0d96904603f7b10e61e06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "679b95f0867e727d637c933a078e71cc141df6fd84f0d96904603f7b10e61e06", kill_on_drop: false }`
[INFO] [stdout] 679b95f0867e727d637c933a078e71cc141df6fd84f0d96904603f7b10e61e06
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+1.61.0" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] d01dec3c2a23c88848dc310ded29aa4e0c09b99bd2044bf30294f4c6be23539a
[INFO] running `Command { std: "docker" "start" "-a" "d01dec3c2a23c88848dc310ded29aa4e0c09b99bd2044bf30294f4c6be23539a", kill_on_drop: false }`
[INFO] [stderr]  Documenting greprs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `Command { std: "docker" "inspect" "d01dec3c2a23c88848dc310ded29aa4e0c09b99bd2044bf30294f4c6be23539a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d01dec3c2a23c88848dc310ded29aa4e0c09b99bd2044bf30294f4c6be23539a", kill_on_drop: false }`
[INFO] [stdout] d01dec3c2a23c88848dc310ded29aa4e0c09b99bd2044bf30294f4c6be23539a