[INFO] cloning repository https://github.com/dguo/rust-book-minigrep
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dguo/rust-book-minigrep" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdguo%2Frust-book-minigrep", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdguo%2Frust-book-minigrep'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6cccfbade68ef15985873ddcd95f4464790602ce
[INFO] documenting dguo/rust-book-minigrep 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%2Fdguo%2Frust-book-minigrep" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dguo/rust-book-minigrep 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/dguo/rust-book-minigrep
[INFO] finished tweaking git repo https://github.com/dguo/rust-book-minigrep
[INFO] tweaked toml for git repo https://github.com/dguo/rust-book-minigrep written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/dguo/rust-book-minigrep 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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 977007cd3612e07cacc088139118c8c9bd02d6963adebf9263f9c25df97c7096
[INFO] running `Command { std: "docker" "start" "-a" "977007cd3612e07cacc088139118c8c9bd02d6963adebf9263f9c25df97c7096", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "977007cd3612e07cacc088139118c8c9bd02d6963adebf9263f9c25df97c7096", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "977007cd3612e07cacc088139118c8c9bd02d6963adebf9263f9c25df97c7096", kill_on_drop: false }`
[INFO] [stdout] 977007cd3612e07cacc088139118c8c9bd02d6963adebf9263f9c25df97c7096
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] de70cee55e507a8e3a162ead07a53ea3b4990f51bc3d94125399d26e379e3724
[INFO] running `Command { std: "docker" "start" "-a" "de70cee55e507a8e3a162ead07a53ea3b4990f51bc3d94125399d26e379e3724", kill_on_drop: false }`
[INFO] [stderr]  Documenting minigrep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.13s
[INFO] running `Command { std: "docker" "inspect" "de70cee55e507a8e3a162ead07a53ea3b4990f51bc3d94125399d26e379e3724", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de70cee55e507a8e3a162ead07a53ea3b4990f51bc3d94125399d26e379e3724", kill_on_drop: false }`
[INFO] [stdout] de70cee55e507a8e3a162ead07a53ea3b4990f51bc3d94125399d26e379e3724
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] d877dfb9d82ad63a7cda425976723892dacd16e36dd0339fdaaa8423cd6bb8b1
[INFO] running `Command { std: "docker" "start" "-a" "d877dfb9d82ad63a7cda425976723892dacd16e36dd0339fdaaa8423cd6bb8b1", kill_on_drop: false }`
[INFO] [stderr]  Documenting minigrep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "d877dfb9d82ad63a7cda425976723892dacd16e36dd0339fdaaa8423cd6bb8b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d877dfb9d82ad63a7cda425976723892dacd16e36dd0339fdaaa8423cd6bb8b1", kill_on_drop: false }`
[INFO] [stdout] d877dfb9d82ad63a7cda425976723892dacd16e36dd0339fdaaa8423cd6bb8b1