[INFO] fetching crate bicycle-book-wordcount-r1k 0.1.0...
[INFO] documenting bicycle-book-wordcount-r1k-0.1.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate bicycle-book-wordcount-r1k 0.1.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate bicycle-book-wordcount-r1k 0.1.0 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 crates.io crate bicycle-book-wordcount-r1k 0.1.0
[INFO] finished tweaking crates.io crate bicycle-book-wordcount-r1k 0.1.0
[INFO] tweaked toml for crates.io crate bicycle-book-wordcount-r1k 0.1.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate bicycle-book-wordcount-r1k 0.1.0 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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 1facab9e5b63b3e3a6c7c0450177135c1b03c03fa169281d0156965286977377
[INFO] running `Command { std: "docker" "start" "-a" "1facab9e5b63b3e3a6c7c0450177135c1b03c03fa169281d0156965286977377", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1facab9e5b63b3e3a6c7c0450177135c1b03c03fa169281d0156965286977377", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1facab9e5b63b3e3a6c7c0450177135c1b03c03fa169281d0156965286977377", kill_on_drop: false }`
[INFO] [stdout] 1facab9e5b63b3e3a6c7c0450177135c1b03c03fa169281d0156965286977377
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 4e7976de061cf6ff6582a8bea839e2df1fbc0e99e2de6c36a09f4658e5c6758a
[INFO] running `Command { std: "docker" "start" "-a" "4e7976de061cf6ff6582a8bea839e2df1fbc0e99e2de6c36a09f4658e5c6758a", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]  Documenting bicycle-book-wordcount-r1k v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.11s
[INFO] running `Command { std: "docker" "inspect" "4e7976de061cf6ff6582a8bea839e2df1fbc0e99e2de6c36a09f4658e5c6758a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e7976de061cf6ff6582a8bea839e2df1fbc0e99e2de6c36a09f4658e5c6758a", kill_on_drop: false }`
[INFO] [stdout] 4e7976de061cf6ff6582a8bea839e2df1fbc0e99e2de6c36a09f4658e5c6758a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+beta-2022-05-20" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 30a113e1186c97d27c76371e0ccc52c46f0aa3d007136000b212227d18a51527
[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" "30a113e1186c97d27c76371e0ccc52c46f0aa3d007136000b212227d18a51527", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]  Documenting bicycle-book-wordcount-r1k v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.85s
[INFO] running `Command { std: "docker" "inspect" "30a113e1186c97d27c76371e0ccc52c46f0aa3d007136000b212227d18a51527", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30a113e1186c97d27c76371e0ccc52c46f0aa3d007136000b212227d18a51527", kill_on_drop: false }`
[INFO] [stdout] 30a113e1186c97d27c76371e0ccc52c46f0aa3d007136000b212227d18a51527