[INFO] fetching crate attohttpc 0.16.0...
[INFO] documenting attohttpc-0.16.0 against 1.47.0 for beta-1.48-rustdoc-1
[INFO] extracting crate attohttpc 0.16.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate attohttpc 0.16.0 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 attohttpc 0.16.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate attohttpc 0.16.0
[INFO] tweaked toml for crates.io crate attohttpc 0.16.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate attohttpc 0.16.0 already has a lockfile, it will not be regenerated
[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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 6b382ca99fd56ae60feb7aaa7e8073356c1ca8f649596eb07ef7fcbc9853a9ab
[INFO] running `Command { std: "docker" "start" "-a" "6b382ca99fd56ae60feb7aaa7e8073356c1ca8f649596eb07ef7fcbc9853a9ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b382ca99fd56ae60feb7aaa7e8073356c1ca8f649596eb07ef7fcbc9853a9ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b382ca99fd56ae60feb7aaa7e8073356c1ca8f649596eb07ef7fcbc9853a9ab", kill_on_drop: false }`
[INFO] [stdout] 6b382ca99fd56ae60feb7aaa7e8073356c1ca8f649596eb07ef7fcbc9853a9ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9a96a659aceaaec0683368c38c34d06d6926898d4cd12658b7b9c627b5826c2e
[INFO] running `Command { std: "docker" "start" "-a" "9a96a659aceaaec0683368c38c34d06d6926898d4cd12658b7b9c627b5826c2e", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.60
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]     Checking wildmatch v1.0.11
[INFO] [stderr]    Compiling miniz_oxide v0.4.2
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]     Checking flate2 v1.0.17
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]  Documenting attohttpc v0.16.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.60s
[INFO] running `Command { std: "docker" "inspect" "9a96a659aceaaec0683368c38c34d06d6926898d4cd12658b7b9c627b5826c2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a96a659aceaaec0683368c38c34d06d6926898d4cd12658b7b9c627b5826c2e", kill_on_drop: false }`
[INFO] [stdout] 9a96a659aceaaec0683368c38c34d06d6926898d4cd12658b7b9c627b5826c2e
