[INFO] fetching crate nstack 0.5.0...
[INFO] documenting nstack-0.5.0 against 1.47.0 for beta-1.48-rustdoc-1
[INFO] extracting crate nstack 0.5.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate nstack 0.5.0 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nstack 0.5.0
[INFO] finished tweaking crates.io crate nstack 0.5.0
[INFO] tweaked toml for crates.io crate nstack 0.5.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "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" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7176495f39cbc3c70c6399b31201e91fccd53515ad0ea75d3608fdfd9ba1258e
[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" "7176495f39cbc3c70c6399b31201e91fccd53515ad0ea75d3608fdfd9ba1258e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7176495f39cbc3c70c6399b31201e91fccd53515ad0ea75d3608fdfd9ba1258e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7176495f39cbc3c70c6399b31201e91fccd53515ad0ea75d3608fdfd9ba1258e", kill_on_drop: false }`
[INFO] [stdout] 7176495f39cbc3c70c6399b31201e91fccd53515ad0ea75d3608fdfd9ba1258e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+1.47.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 41ee3b3df3e022c219d4361865956986325e0fd48ed3abd06d73861960120998
[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" "41ee3b3df3e022c219d4361865956986325e0fd48ed3abd06d73861960120998", kill_on_drop: false }`
[INFO] [stderr]     Checking seahash v3.0.7
[INFO] [stderr]     Checking stable-heap v0.1.0
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]     Checking blake2-rfc v0.2.18
[INFO] [stderr]     Checking parking_lot_core v0.2.14
[INFO] [stderr]    Compiling derive_arbitrary v0.3.3
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking atomicwrites v0.2.5
[INFO] [stderr]     Checking futures-util v0.3.6
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking quickcheck v0.8.5
[INFO] [stderr]     Checking parking_lot v0.4.8
[INFO] [stderr]     Checking bytehash v0.3.0
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking cache v0.2.0
[INFO] [stderr]     Checking appendix v0.2.0
[INFO] [stderr]     Checking arbitrary v0.3.3
[INFO] [stderr]     Checking futures-executor v0.3.6
[INFO] [stderr]     Checking futures v0.3.6
[INFO] [stderr]     Checking kelvin v0.19.0
[INFO] [stderr]  Documenting nstack v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.79s
[INFO] running `Command { std: "docker" "inspect" "41ee3b3df3e022c219d4361865956986325e0fd48ed3abd06d73861960120998", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41ee3b3df3e022c219d4361865956986325e0fd48ed3abd06d73861960120998", kill_on_drop: false }`
[INFO] [stdout] 41ee3b3df3e022c219d4361865956986325e0fd48ed3abd06d73861960120998
