[INFO] cloning repository https://github.com/mdn184/cargo-learning
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mdn184/cargo-learning" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmdn184%2Fcargo-learning", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmdn184%2Fcargo-learning'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b2bc1774d2fc4479bedfeadbee58044ee8d31cfe
[INFO] documenting mdn184/cargo-learning 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%2Fmdn184%2Fcargo-learning" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mdn184/cargo-learning 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/mdn184/cargo-learning
[INFO] finished tweaking git repo https://github.com/mdn184/cargo-learning
[INFO] tweaked toml for git repo https://github.com/mdn184/cargo-learning written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/mdn184/cargo-learning 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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 9416f53c1870aaa79a55f03ea1c9d793a0ec4fde6810ef6d1e4133642a5ec6b4
[INFO] running `Command { std: "docker" "start" "-a" "9416f53c1870aaa79a55f03ea1c9d793a0ec4fde6810ef6d1e4133642a5ec6b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9416f53c1870aaa79a55f03ea1c9d793a0ec4fde6810ef6d1e4133642a5ec6b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9416f53c1870aaa79a55f03ea1c9d793a0ec4fde6810ef6d1e4133642a5ec6b4", kill_on_drop: false }`
[INFO] [stdout] 9416f53c1870aaa79a55f03ea1c9d793a0ec4fde6810ef6d1e4133642a5ec6b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] cad21f81dea2c1f3058624f4b432bbd2350a45c8013ce410b12cca1c87220536
[INFO] running `Command { std: "docker" "start" "-a" "cad21f81dea2c1f3058624f4b432bbd2350a45c8013ce410b12cca1c87220536", kill_on_drop: false }`
[INFO] [stderr]  Documenting first_cargo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.20s
[INFO] running `Command { std: "docker" "inspect" "cad21f81dea2c1f3058624f4b432bbd2350a45c8013ce410b12cca1c87220536", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cad21f81dea2c1f3058624f4b432bbd2350a45c8013ce410b12cca1c87220536", kill_on_drop: false }`
[INFO] [stdout] cad21f81dea2c1f3058624f4b432bbd2350a45c8013ce410b12cca1c87220536