[INFO] cloning repository https://github.com/WhySyntax/high_low
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/WhySyntax/high_low" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWhySyntax%2Fhigh_low", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWhySyntax%2Fhigh_low'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 654e2c62fced3aeeeccbaa2884413e642f714b80
[INFO] documenting WhySyntax/high_low 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%2FWhySyntax%2Fhigh_low" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/WhySyntax/high_low 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/WhySyntax/high_low
[INFO] finished tweaking git repo https://github.com/WhySyntax/high_low
[INFO] tweaked toml for git repo https://github.com/WhySyntax/high_low written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/WhySyntax/high_low 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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a6d51c36ff697b864417344ee4c5f480681366c6ab3a21d7c5b248f0bbc2e5e1
[INFO] running `Command { std: "docker" "start" "-a" "a6d51c36ff697b864417344ee4c5f480681366c6ab3a21d7c5b248f0bbc2e5e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a6d51c36ff697b864417344ee4c5f480681366c6ab3a21d7c5b248f0bbc2e5e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6d51c36ff697b864417344ee4c5f480681366c6ab3a21d7c5b248f0bbc2e5e1", kill_on_drop: false }`
[INFO] [stdout] a6d51c36ff697b864417344ee4c5f480681366c6ab3a21d7c5b248f0bbc2e5e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4a0f70811f42dcff8b4fa32cb1481d7ff87d7b2e41a8c1d62bd54a61a8b89ee3
[INFO] running `Command { std: "docker" "start" "-a" "4a0f70811f42dcff8b4fa32cb1481d7ff87d7b2e41a8c1d62bd54a61a8b89ee3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]     Checking functions v0.1.0 (https://github.com/WhySyntax/functions#5e864e07)
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]  Documenting high_low v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.21s
[INFO] running `Command { std: "docker" "inspect" "4a0f70811f42dcff8b4fa32cb1481d7ff87d7b2e41a8c1d62bd54a61a8b89ee3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a0f70811f42dcff8b4fa32cb1481d7ff87d7b2e41a8c1d62bd54a61a8b89ee3", kill_on_drop: false }`
[INFO] [stdout] 4a0f70811f42dcff8b4fa32cb1481d7ff87d7b2e41a8c1d62bd54a61a8b89ee3