[INFO] fetching crate thruster-core 0.9.0-alpha.2...
[INFO] documenting thruster-core-0.9.0-alpha.2 against 1.47.0 for beta-1.48-rustdoc-1
[INFO] extracting crate thruster-core 0.9.0-alpha.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate thruster-core 0.9.0-alpha.2 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 thruster-core 0.9.0-alpha.2
[INFO] finished tweaking crates.io crate thruster-core 0.9.0-alpha.2
[INFO] tweaked toml for crates.io crate thruster-core 0.9.0-alpha.2 written to /workspace/builds/worker-0/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-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" "+1.47.0" "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] 11ddcd1b42af14526ae7295f0567dc395883e71d759d012ea096aba18b24b021
[INFO] running `Command { std: "docker" "start" "-a" "11ddcd1b42af14526ae7295f0567dc395883e71d759d012ea096aba18b24b021", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "11ddcd1b42af14526ae7295f0567dc395883e71d759d012ea096aba18b24b021", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11ddcd1b42af14526ae7295f0567dc395883e71d759d012ea096aba18b24b021", kill_on_drop: false }`
[INFO] [stdout] 11ddcd1b42af14526ae7295f0567dc395883e71d759d012ea096aba18b24b021
[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" "+1.47.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 34229efa9cefce0cc5d5608e1006ef82ac4f97236946b0f1563044ec964305a5
[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" "34229efa9cefce0cc5d5608e1006ef82ac4f97236946b0f1563044ec964305a5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking thruster-core-async-await v0.9.0-alpha.2
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking templatify v0.2.3
[INFO] [stderr]     Checking tokio-util v0.2.0
[INFO] [stderr]  Documenting thruster-core v0.9.0-alpha.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.63s
[INFO] running `Command { std: "docker" "inspect" "34229efa9cefce0cc5d5608e1006ef82ac4f97236946b0f1563044ec964305a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34229efa9cefce0cc5d5608e1006ef82ac4f97236946b0f1563044ec964305a5", kill_on_drop: false }`
[INFO] [stdout] 34229efa9cefce0cc5d5608e1006ef82ac4f97236946b0f1563044ec964305a5
