[INFO] fetching crate zstd 0.5.3+zstd.1.4.5...
[INFO] documenting zstd-0.5.3+zstd.1.4.5 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate zstd 0.5.3+zstd.1.4.5 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate zstd 0.5.3+zstd.1.4.5 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 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-8/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" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded partial-io v0.3.1
[INFO] [stderr]   Downloaded zstd-safe v2.0.5+zstd.1.4.5
[INFO] [stderr]   Downloaded quickcheck v0.6.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] c9a507daddb035f8b17d43bbcab52ba93d2c288e1bcd03495e436a0917f932e4
[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" "c9a507daddb035f8b17d43bbcab52ba93d2c288e1bcd03495e436a0917f932e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c9a507daddb035f8b17d43bbcab52ba93d2c288e1bcd03495e436a0917f932e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9a507daddb035f8b17d43bbcab52ba93d2c288e1bcd03495e436a0917f932e4", kill_on_drop: false }`
[INFO] [stdout] c9a507daddb035f8b17d43bbcab52ba93d2c288e1bcd03495e436a0917f932e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] adf514d29f74ab249409c1620289e24b4db677387b291b6447c1d87976f1e850
[INFO] running `Command { std: "docker" "start" "-a" "adf514d29f74ab249409c1620289e24b4db677387b291b6447c1d87976f1e850", kill_on_drop: false }`
[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 05s
[INFO] running `Command { std: "docker" "inspect" "adf514d29f74ab249409c1620289e24b4db677387b291b6447c1d87976f1e850", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adf514d29f74ab249409c1620289e24b4db677387b291b6447c1d87976f1e850", kill_on_drop: false }`
[INFO] [stdout] adf514d29f74ab249409c1620289e24b4db677387b291b6447c1d87976f1e850