[INFO] cloning repository https://github.com/nsbt/minigrep
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nsbt/minigrep" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnsbt%2Fminigrep", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnsbt%2Fminigrep'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9199b148e438a650f4858ceaef3f3e2b7283c4f9
[INFO] documenting nsbt/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%2Fnsbt%2Fminigrep" "/workspace/builds/worker-27/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-27/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nsbt/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/nsbt/minigrep
[INFO] finished tweaking git repo https://github.com/nsbt/minigrep
[INFO] tweaked toml for git repo https://github.com/nsbt/minigrep written to /workspace/builds/worker-27/source/Cargo.toml
[INFO] crate git repo https://github.com/nsbt/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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] 5e2b2281e83a10c8a6f832e16135593dfced986596e02da465a1ac17e90a06ae
[INFO] running `Command { std: "docker" "start" "-a" "5e2b2281e83a10c8a6f832e16135593dfced986596e02da465a1ac17e90a06ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5e2b2281e83a10c8a6f832e16135593dfced986596e02da465a1ac17e90a06ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e2b2281e83a10c8a6f832e16135593dfced986596e02da465a1ac17e90a06ae", kill_on_drop: false }`
[INFO] [stdout] 5e2b2281e83a10c8a6f832e16135593dfced986596e02da465a1ac17e90a06ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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] 004cc9481d11d70ccd446c284c0f91f83dabbb5446ddc71a53b646d194725e82
[INFO] running `Command { std: "docker" "start" "-a" "004cc9481d11d70ccd446c284c0f91f83dabbb5446ddc71a53b646d194725e82", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Documenting minigrep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.35s
[INFO] running `Command { std: "docker" "inspect" "004cc9481d11d70ccd446c284c0f91f83dabbb5446ddc71a53b646d194725e82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "004cc9481d11d70ccd446c284c0f91f83dabbb5446ddc71a53b646d194725e82", kill_on_drop: false }`
[INFO] [stdout] 004cc9481d11d70ccd446c284c0f91f83dabbb5446ddc71a53b646d194725e82
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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] 050e657571aa2107de13652512545282fdeba6bac9cb1284923ce4a5120e2b1c
[INFO] running `Command { std: "docker" "start" "-a" "050e657571aa2107de13652512545282fdeba6bac9cb1284923ce4a5120e2b1c", kill_on_drop: false }`
[INFO] [stderr]  Documenting minigrep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "050e657571aa2107de13652512545282fdeba6bac9cb1284923ce4a5120e2b1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "050e657571aa2107de13652512545282fdeba6bac9cb1284923ce4a5120e2b1c", kill_on_drop: false }`
[INFO] [stdout] 050e657571aa2107de13652512545282fdeba6bac9cb1284923ce4a5120e2b1c