[INFO] cloning repository https://github.com/nnamdi16/rust-tutorial
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nnamdi16/rust-tutorial" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnnamdi16%2Frust-tutorial", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnnamdi16%2Frust-tutorial'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 404d8ac8f84e1c0c246750290827f3cd220accc2
[INFO] documenting nnamdi16/rust-tutorial 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%2Fnnamdi16%2Frust-tutorial" "/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/nnamdi16/rust-tutorial 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/nnamdi16/rust-tutorial
[INFO] finished tweaking git repo https://github.com/nnamdi16/rust-tutorial
[INFO] tweaked toml for git repo https://github.com/nnamdi16/rust-tutorial written to /workspace/builds/worker-27/source/Cargo.toml
[INFO] crate git repo https://github.com/nnamdi16/rust-tutorial 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] [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] 1ac663cfce18f0852238b66d0cc77334c796fe61bf081b5ef39aebef7b3b2ee3
[INFO] running `Command { std: "docker" "start" "-a" "1ac663cfce18f0852238b66d0cc77334c796fe61bf081b5ef39aebef7b3b2ee3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ac663cfce18f0852238b66d0cc77334c796fe61bf081b5ef39aebef7b3b2ee3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ac663cfce18f0852238b66d0cc77334c796fe61bf081b5ef39aebef7b3b2ee3", kill_on_drop: false }`
[INFO] [stdout] 1ac663cfce18f0852238b66d0cc77334c796fe61bf081b5ef39aebef7b3b2ee3
[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] 54c2172b0c135b4f903ffb2d75d38298ddcf8601f4b99f2c5fe924248bbd6b2f
[INFO] running `Command { std: "docker" "start" "-a" "54c2172b0c135b4f903ffb2d75d38298ddcf8601f4b99f2c5fe924248bbd6b2f", kill_on_drop: false }`
[INFO] [stderr]  Documenting hello_world v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.93s
[INFO] running `Command { std: "docker" "inspect" "54c2172b0c135b4f903ffb2d75d38298ddcf8601f4b99f2c5fe924248bbd6b2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54c2172b0c135b4f903ffb2d75d38298ddcf8601f4b99f2c5fe924248bbd6b2f", kill_on_drop: false }`
[INFO] [stdout] 54c2172b0c135b4f903ffb2d75d38298ddcf8601f4b99f2c5fe924248bbd6b2f