[INFO] cloning repository https://github.com/valekar/rust-book
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/valekar/rust-book" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvalekar%2Frust-book", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvalekar%2Frust-book'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2eeae0ed967ea63e698198235aa39cf767ba7851
[INFO] documenting valekar/rust-book against 1.98.0-beta.1 for beta-rustdoc-1.98-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvalekar%2Frust-book" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/valekar/rust-book
[INFO] finished tweaking git repo https://github.com/valekar/rust-book
[INFO] tweaked toml for git repo https://github.com/valekar/rust-book written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/valekar/rust-book on toolchain 1.98.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.98.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/valekar/rust-book already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.98.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] d854e62998314fd71b40e26f1b8e5821f8f6d341086d5d5a2f63ca1f1f47c8cf
[INFO] running `Command { std: "docker" "start" "d854e62998314fd71b40e26f1b8e5821f8f6d341086d5d5a2f63ca1f1f47c8cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d854e62998314fd71b40e26f1b8e5821f8f6d341086d5d5a2f63ca1f1f47c8cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d854e62998314fd71b40e26f1b8e5821f8f6d341086d5d5a2f63ca1f1f47c8cf" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d854e62998314fd71b40e26f1b8e5821f8f6d341086d5d5a2f63ca1f1f47c8cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d854e62998314fd71b40e26f1b8e5821f8f6d341086d5d5a2f63ca1f1f47c8cf" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.1" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]  Documenting chap-3 v0.1.0 (/opt/rustwide/workdir/chap-3)
[INFO] [stderr]  Documenting chap-1 v0.1.0 (/opt/rustwide/workdir/chap-1)
[INFO] [stderr]  Documenting chap-4 v0.1.0 (/opt/rustwide/workdir/chap-4)
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]  Documenting chap-2 v0.1.0 (/opt/rustwide/workdir/chap-2)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.87s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/chap_1/index.html and 3 other files
[INFO] running `Command { std: "docker" "inspect" "d854e62998314fd71b40e26f1b8e5821f8f6d341086d5d5a2f63ca1f1f47c8cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d854e62998314fd71b40e26f1b8e5821f8f6d341086d5d5a2f63ca1f1f47c8cf", kill_on_drop: false }`
[INFO] [stdout] d854e62998314fd71b40e26f1b8e5821f8f6d341086d5d5a2f63ca1f1f47c8cf
