[INFO] cloning repository https://github.com/merlox/rust-exercises
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/merlox/rust-exercises" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmerlox%2Frust-exercises", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmerlox%2Frust-exercises'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 84c9fe36de878e2478834fa70d6e7ce562abde3a
[INFO] documenting merlox/rust-exercises 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%2Fmerlox%2Frust-exercises" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/merlox/rust-exercises 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/merlox/rust-exercises
[INFO] finished tweaking git repo https://github.com/merlox/rust-exercises
[INFO] tweaked toml for git repo https://github.com/merlox/rust-exercises written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/merlox/rust-exercises 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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1a62ef91495f1e4a030f5f6d81cbb90e43cb23380d340f6964f7b634fba83ed2
[INFO] running `Command { std: "docker" "start" "-a" "1a62ef91495f1e4a030f5f6d81cbb90e43cb23380d340f6964f7b634fba83ed2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a62ef91495f1e4a030f5f6d81cbb90e43cb23380d340f6964f7b634fba83ed2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a62ef91495f1e4a030f5f6d81cbb90e43cb23380d340f6964f7b634fba83ed2", kill_on_drop: false }`
[INFO] [stdout] 1a62ef91495f1e4a030f5f6d81cbb90e43cb23380d340f6964f7b634fba83ed2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9cbf84b25dc993ec8c984d3436e63edf73890d91c170680636fc377e79785465
[INFO] running `Command { std: "docker" "start" "-a" "9cbf84b25dc993ec8c984d3436e63edf73890d91c170680636fc377e79785465", kill_on_drop: false }`
[INFO] [stderr]  Documenting rust-exercises v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.98s
[INFO] running `Command { std: "docker" "inspect" "9cbf84b25dc993ec8c984d3436e63edf73890d91c170680636fc377e79785465", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cbf84b25dc993ec8c984d3436e63edf73890d91c170680636fc377e79785465", kill_on_drop: false }`
[INFO] [stdout] 9cbf84b25dc993ec8c984d3436e63edf73890d91c170680636fc377e79785465