[INFO] fetching crate hpack 0.3.0...
[INFO] documenting hpack-0.3.0 against 1.47.0 for beta-1.48-rustdoc-1
[INFO] extracting crate hpack 0.3.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate hpack 0.3.0 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 hpack 0.3.0
[INFO] finished tweaking crates.io crate hpack 0.3.0
[INFO] tweaked toml for crates.io crate hpack 0.3.0 written to /workspace/builds/worker-9/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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 192050cc864aec18c41b99acde1851aaa03e412a8f03c4a4ca57fea1053e7d0a
[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" "192050cc864aec18c41b99acde1851aaa03e412a8f03c4a4ca57fea1053e7d0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "192050cc864aec18c41b99acde1851aaa03e412a8f03c4a4ca57fea1053e7d0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "192050cc864aec18c41b99acde1851aaa03e412a8f03c4a4ca57fea1053e7d0a", kill_on_drop: false }`
[INFO] [stdout] 192050cc864aec18c41b99acde1851aaa03e412a8f03c4a4ca57fea1053e7d0a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 4d23e7e784c6f032a608ef367d42913b2aaea6f55d57341e36bb03e55971f401
[INFO] running `Command { std: "docker" "start" "-a" "4d23e7e784c6f032a608ef367d42913b2aaea6f55d57341e36bb03e55971f401", kill_on_drop: false }`
[INFO] [stderr]  Documenting hpack v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:224:20
[INFO] [stdout]     |
[INFO] [stdout] 224 |                 fn((&'a (&'a [u8], &'a [u8]))) -> (&'a [u8], &'a [u8])>,
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:280:48
[INFO] [stdout]     |
[INFO] [stdout] 280 | ...                   fn((&'a (&'a [u8], &'a [u8]))) -> (&'a [u8], &'a [u8]))
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.47s
[INFO] running `Command { std: "docker" "inspect" "4d23e7e784c6f032a608ef367d42913b2aaea6f55d57341e36bb03e55971f401", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d23e7e784c6f032a608ef367d42913b2aaea6f55d57341e36bb03e55971f401", kill_on_drop: false }`
[INFO] [stdout] 4d23e7e784c6f032a608ef367d42913b2aaea6f55d57341e36bb03e55971f401
