[INFO] fetching crate enum_access 0.4.0...
[INFO] documenting enum_access-0.4.0 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate enum_access 0.4.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate enum_access 0.4.0 on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate enum_access 0.4.0
[INFO] finished tweaking crates.io crate enum_access 0.4.0
[INFO] tweaked toml for crates.io crate enum_access 0.4.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8109bdcf5f0fed7d78fc326a6db3ebd92a19c989974a41b50d5502509164c3c3
[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" "8109bdcf5f0fed7d78fc326a6db3ebd92a19c989974a41b50d5502509164c3c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8109bdcf5f0fed7d78fc326a6db3ebd92a19c989974a41b50d5502509164c3c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8109bdcf5f0fed7d78fc326a6db3ebd92a19c989974a41b50d5502509164c3c3", kill_on_drop: false }`
[INFO] [stdout] 8109bdcf5f0fed7d78fc326a6db3ebd92a19c989974a41b50d5502509164c3c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c936084ab4a4984ccfdbc573a68f71ec6f225347991de2c2eae971992c6633e
[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" "7c936084ab4a4984ccfdbc573a68f71ec6f225347991de2c2eae971992c6633e", kill_on_drop: false }`
[INFO] [stderr]     Checking syn v1.0.39
[INFO] [stderr]     Checking synstructure v0.12.4
[INFO] [stderr]     Checking syn_util v0.4.2
[INFO] [stderr]  Documenting enum_access v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.39s
[INFO] running `Command { std: "docker" "inspect" "7c936084ab4a4984ccfdbc573a68f71ec6f225347991de2c2eae971992c6633e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c936084ab4a4984ccfdbc573a68f71ec6f225347991de2c2eae971992c6633e", kill_on_drop: false }`
[INFO] [stdout] 7c936084ab4a4984ccfdbc573a68f71ec6f225347991de2c2eae971992c6633e