[INFO] fetching crate zstd 0.5.3+zstd.1.4.5...
[INFO] documenting zstd-0.5.3+zstd.1.4.5 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate zstd 0.5.3+zstd.1.4.5 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate zstd 0.5.3+zstd.1.4.5 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 zstd 0.5.3+zstd.1.4.5
[INFO] finished tweaking crates.io crate zstd 0.5.3+zstd.1.4.5
[INFO] tweaked toml for crates.io crate zstd 0.5.3+zstd.1.4.5 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate zstd 0.5.3+zstd.1.4.5 already has a lockfile, it will not be regenerated
[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-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" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e80f85930510daca28c03ea2a1d3d40a31438fe3843cace2728e0d07d0fa9b3f
[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" "e80f85930510daca28c03ea2a1d3d40a31438fe3843cace2728e0d07d0fa9b3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e80f85930510daca28c03ea2a1d3d40a31438fe3843cace2728e0d07d0fa9b3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e80f85930510daca28c03ea2a1d3d40a31438fe3843cace2728e0d07d0fa9b3f", kill_on_drop: false }`
[INFO] [stdout] e80f85930510daca28c03ea2a1d3d40a31438fe3843cace2728e0d07d0fa9b3f
[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" "+1.46.0" "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] 351fe2836848648393f2d714f386b6841b8298335fb6b83c43a4e65363752363
[INFO] running `Command { std: "docker" "start" "-a" "351fe2836848648393f2d714f386b6841b8298335fb6b83c43a4e65363752363", 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] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling cc v1.0.54
[INFO] [stderr]    Compiling zstd-sys v1.4.17+zstd.1.4.5
[INFO] [stderr]     Checking zstd-safe v2.0.5+zstd.1.4.5
[INFO] [stderr]  Documenting zstd v0.5.3+zstd.1.4.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 07s
[INFO] running `Command { std: "docker" "inspect" "351fe2836848648393f2d714f386b6841b8298335fb6b83c43a4e65363752363", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "351fe2836848648393f2d714f386b6841b8298335fb6b83c43a4e65363752363", kill_on_drop: false }`
[INFO] [stdout] 351fe2836848648393f2d714f386b6841b8298335fb6b83c43a4e65363752363