[INFO] fetching crate lambco-bicycle-book-wordcount 0.1.0...
[INFO] documenting lambco-bicycle-book-wordcount-0.1.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate lambco-bicycle-book-wordcount 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate lambco-bicycle-book-wordcount 0.1.0 on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lambco-bicycle-book-wordcount 0.1.0
[INFO] finished tweaking crates.io crate lambco-bicycle-book-wordcount 0.1.0
[INFO] tweaked toml for crates.io crate lambco-bicycle-book-wordcount 0.1.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate lambco-bicycle-book-wordcount 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e33cdf7810ecdbd8cee61d4515aefd82a3f5ec25a76c2e84c39f4fda193093b0
[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" "e33cdf7810ecdbd8cee61d4515aefd82a3f5ec25a76c2e84c39f4fda193093b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e33cdf7810ecdbd8cee61d4515aefd82a3f5ec25a76c2e84c39f4fda193093b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e33cdf7810ecdbd8cee61d4515aefd82a3f5ec25a76c2e84c39f4fda193093b0", kill_on_drop: false }`
[INFO] [stdout] e33cdf7810ecdbd8cee61d4515aefd82a3f5ec25a76c2e84c39f4fda193093b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "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] 1c6bc4fd2dcd3e6e08c5e8efacd6c29b6a6781fa98267ba80833bca1752ceede
[INFO] running `Command { std: "docker" "start" "-a" "1c6bc4fd2dcd3e6e08c5e8efacd6c29b6a6781fa98267ba80833bca1752ceede", kill_on_drop: false }`
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]  Documenting lambco-bicycle-book-wordcount v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.51s
[INFO] running `Command { std: "docker" "inspect" "1c6bc4fd2dcd3e6e08c5e8efacd6c29b6a6781fa98267ba80833bca1752ceede", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c6bc4fd2dcd3e6e08c5e8efacd6c29b6a6781fa98267ba80833bca1752ceede", kill_on_drop: false }`
[INFO] [stdout] 1c6bc4fd2dcd3e6e08c5e8efacd6c29b6a6781fa98267ba80833bca1752ceede