[INFO] cloning repository https://github.com/MilesChou/rust-newbie
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MilesChou/rust-newbie" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMilesChou%2Frust-newbie", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMilesChou%2Frust-newbie'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f51e2b96b49019015f0bea01e1f2112ab68e1fe6
[INFO] documenting MilesChou/rust-newbie 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%2FMilesChou%2Frust-newbie" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MilesChou/rust-newbie 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/MilesChou/rust-newbie
[INFO] finished tweaking git repo https://github.com/MilesChou/rust-newbie
[INFO] tweaked toml for git repo https://github.com/MilesChou/rust-newbie written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/MilesChou/rust-newbie 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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] d95a4b1e243d3a5c4dc5e7136c1b6f3c7b8ce9571bce5b8b86fdbe520f1decb1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d95a4b1e243d3a5c4dc5e7136c1b6f3c7b8ce9571bce5b8b86fdbe520f1decb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d95a4b1e243d3a5c4dc5e7136c1b6f3c7b8ce9571bce5b8b86fdbe520f1decb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d95a4b1e243d3a5c4dc5e7136c1b6f3c7b8ce9571bce5b8b86fdbe520f1decb1", kill_on_drop: false }`
[INFO] [stdout] d95a4b1e243d3a5c4dc5e7136c1b6f3c7b8ce9571bce5b8b86fdbe520f1decb1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] f39da11a7298533a2d98bbbdc90e15ba7620572141c0cd8fd97908313033a6b3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f39da11a7298533a2d98bbbdc90e15ba7620572141c0cd8fd97908313033a6b3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Documenting rust-newbie v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.89s
[INFO] running `Command { std: "docker" "inspect" "f39da11a7298533a2d98bbbdc90e15ba7620572141c0cd8fd97908313033a6b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f39da11a7298533a2d98bbbdc90e15ba7620572141c0cd8fd97908313033a6b3", kill_on_drop: false }`
[INFO] [stdout] f39da11a7298533a2d98bbbdc90e15ba7620572141c0cd8fd97908313033a6b3