[INFO] cloning repository https://github.com/arzg/attoutils
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/arzg/attoutils" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farzg%2Fattoutils", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farzg%2Fattoutils'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3893f57e05c05ba047b7f7d4353220ef411c43b0
[INFO] documenting arzg/attoutils 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%2Farzg%2Fattoutils" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/arzg/attoutils 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/arzg/attoutils
[INFO] finished tweaking git repo https://github.com/arzg/attoutils
[INFO] tweaked toml for git repo https://github.com/arzg/attoutils written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/arzg/attoutils 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] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded directories v2.0.2
[INFO] [stderr]   Downloaded blake2b_simd v0.5.8
[INFO] [stderr]   Downloaded jwalk v0.4.0
[INFO] [stderr]   Downloaded crossbeam v0.7.2
[INFO] [stderr]   Downloaded term_size v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] d6570e322e50ab30fd4d95dc57f2f3be70016adf1b9c030a383f9b3357886602
[INFO] running `Command { std: "docker" "start" "-a" "d6570e322e50ab30fd4d95dc57f2f3be70016adf1b9c030a383f9b3357886602", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d6570e322e50ab30fd4d95dc57f2f3be70016adf1b9c030a383f9b3357886602", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6570e322e50ab30fd4d95dc57f2f3be70016adf1b9c030a383f9b3357886602", kill_on_drop: false }`
[INFO] [stdout] d6570e322e50ab30fd4d95dc57f2f3be70016adf1b9c030a383f9b3357886602
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] c83a90895e3adb31379767ee049241f3bfa304263043a7072a9b23b737e14f7a
[INFO] running `Command { std: "docker" "start" "-a" "c83a90895e3adb31379767ee049241f3bfa304263043a7072a9b23b737e14f7a", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.19
[INFO] [stderr]    Compiling rayon-core v1.6.0
[INFO] [stderr]     Checking smallvec v0.6.12
[INFO] [stderr]     Checking path-clean v0.1.0
[INFO] [stderr]    Compiling memoffset v0.5.2
[INFO] [stderr]     Checking num_cpus v1.11.0
[INFO] [stderr]     Checking term_size v0.1.1
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking term_size v0.3.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking directories v2.0.2
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]  Documenting sh v0.1.0 (/opt/rustwide/workdir/sh)
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking libatto v0.1.0 (/opt/rustwide/workdir/libatto)
[INFO] [stderr]  Documenting libatto v0.1.0 (/opt/rustwide/workdir/libatto)
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]  Documenting column v0.1.0 (/opt/rustwide/workdir/column)
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking crossbeam v0.7.2
[INFO] [stderr]     Checking rayon v1.2.0
[INFO] [stderr]     Checking jwalk v0.4.0
[INFO] [stderr]  Documenting cat v0.1.0 (/opt/rustwide/workdir/cat)
[INFO] [stderr]  Documenting sort v0.1.0 (/opt/rustwide/workdir/sort)
[INFO] [stderr]  Documenting ls v0.1.0 (/opt/rustwide/workdir/ls)
[INFO] [stderr]  Documenting trs v0.1.0 (/opt/rustwide/workdir/trs)
[INFO] [stderr]  Documenting walk v0.1.0 (/opt/rustwide/workdir/walk)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.56s
[INFO] running `Command { std: "docker" "inspect" "c83a90895e3adb31379767ee049241f3bfa304263043a7072a9b23b737e14f7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c83a90895e3adb31379767ee049241f3bfa304263043a7072a9b23b737e14f7a", kill_on_drop: false }`
[INFO] [stdout] c83a90895e3adb31379767ee049241f3bfa304263043a7072a9b23b737e14f7a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "RUSTFLAGS=--cap-lints=warn" "-e" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=1" "-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" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 95070a6bc34e01c459716abbd8f044bb738a9fe917ee1a6c19807582e377bb3f
[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" "95070a6bc34e01c459716abbd8f044bb738a9fe917ee1a6c19807582e377bb3f", kill_on_drop: false }`
[INFO] [stderr] error: manifest path `/opt/rustwide/workdir/Cargo.toml` is a virtual manifest, but this command requires running against an actual package in this workspace
[INFO] running `Command { std: "docker" "inspect" "95070a6bc34e01c459716abbd8f044bb738a9fe917ee1a6c19807582e377bb3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95070a6bc34e01c459716abbd8f044bb738a9fe917ee1a6c19807582e377bb3f", kill_on_drop: false }`
[INFO] [stdout] 95070a6bc34e01c459716abbd8f044bb738a9fe917ee1a6c19807582e377bb3f