[INFO] cloning repository https://github.com/u-yas/normal-linux-programming-book
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/u-yas/normal-linux-programming-book" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fu-yas%2Fnormal-linux-programming-book", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fu-yas%2Fnormal-linux-programming-book'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4f602074a03cba853cdc34a6e9725cfe00d72b54
[INFO] documenting u-yas/normal-linux-programming-book 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%2Fu-yas%2Fnormal-linux-programming-book" "/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/u-yas/normal-linux-programming-book 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/u-yas/normal-linux-programming-book
[INFO] finished tweaking git repo https://github.com/u-yas/normal-linux-programming-book
[INFO] tweaked toml for git repo https://github.com/u-yas/normal-linux-programming-book written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/u-yas/normal-linux-programming-book 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]     Blocking waiting for file lock on package cache
[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" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aa0eb240e7cdeb32304b1c500429a692890e7da8a5b1f3ddaae4857fb57525af
[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" "aa0eb240e7cdeb32304b1c500429a692890e7da8a5b1f3ddaae4857fb57525af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa0eb240e7cdeb32304b1c500429a692890e7da8a5b1f3ddaae4857fb57525af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa0eb240e7cdeb32304b1c500429a692890e7da8a5b1f3ddaae4857fb57525af", kill_on_drop: false }`
[INFO] [stdout] aa0eb240e7cdeb32304b1c500429a692890e7da8a5b1f3ddaae4857fb57525af
[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" "+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] 3bebbce68d98a2c36085fa3779ae1fb21e9dde7f295f8ade83144a3142ab8e54
[INFO] running `Command { std: "docker" "start" "-a" "3bebbce68d98a2c36085fa3779ae1fb21e9dde7f295f8ade83144a3142ab8e54", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]  Documenting grep v0.0.0 (/opt/rustwide/workdir/packages/grep)
[INFO] [stderr]  Documenting cat v0.1.0 (/opt/rustwide/workdir/packages/cat)
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling quote v1.0.14
[INFO] [stderr]    Compiling syn v1.0.85
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling clap_derive v3.0.5
[INFO] [stderr]     Checking clap v3.0.5
[INFO] [stderr]  Documenting mkdir v0.0.0 (/opt/rustwide/workdir/packages/mkdir)
[INFO] [stderr]  Documenting head v0.0.0 (/opt/rustwide/workdir/packages/head)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.28s
[INFO] running `Command { std: "docker" "inspect" "3bebbce68d98a2c36085fa3779ae1fb21e9dde7f295f8ade83144a3142ab8e54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bebbce68d98a2c36085fa3779ae1fb21e9dde7f295f8ade83144a3142ab8e54", kill_on_drop: false }`
[INFO] [stdout] 3bebbce68d98a2c36085fa3779ae1fb21e9dde7f295f8ade83144a3142ab8e54
[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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 18ec16a0bdf96cc10f7f6c1d956c572e2cc66f9c90777d23de30f6209a1d4edd
[INFO] running `Command { std: "docker" "start" "-a" "18ec16a0bdf96cc10f7f6c1d956c572e2cc66f9c90777d23de30f6209a1d4edd", 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" "18ec16a0bdf96cc10f7f6c1d956c572e2cc66f9c90777d23de30f6209a1d4edd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18ec16a0bdf96cc10f7f6c1d956c572e2cc66f9c90777d23de30f6209a1d4edd", kill_on_drop: false }`
[INFO] [stdout] 18ec16a0bdf96cc10f7f6c1d956c572e2cc66f9c90777d23de30f6209a1d4edd